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  • 1.
    Abrahamsson, Thomas R.
    et al.
    Department of Clinical and Experimental Medicine, Division of Pediatrics, Linköping University, Linköping, Sweden.
    Jakobsson, Hedvig E.
    Department of Preparedness, Swedish Institute for Communicable Disease Control, Solna, Sweden; Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden.
    Andersson, Anders F.
    Science for Life Laboratory, School of Biotechnology, KTH Royal Institute of Technology, Stockholm, Sweden .
    Björkstén, Bengt
    Örebro University, School of Health and Medical Sciences, Örebro University, Sweden. Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden; .
    Engstrand, Lars
    Department of Preparedness, Swedish Institute for Communicable Disease Control, Solna, Sweden; Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden.
    Jenmalm, Maria C.
    Department of Clinical and Experimental Medicine, Division of Pediatrics, Linköping University, Linköping, Sweden; Department of Clinical and Experimental Medicine, Unit of Autoimmunity and Immune Regulation, Linköping University, Linköping, Sweden.
    Low diversity of the gut microbiota in infants with atopic eczema2012In: Journal of Allergy and Clinical Immunology, ISSN 0091-6749, E-ISSN 1097-6825, Vol. 129, no 2, 434-440.e2 p.Article in journal (Refereed)
    Abstract [en]

    Background: It is debated whether a low total diversity of the gut microbiota in early childhood is more important than an altered prevalence of particular bacterial species for the increasing incidence of allergic disease. The advent of powerful, cultivation-free molecular methods makes it possible to characterize the total microbiome down to the genus level in large cohorts.

    Objective: We sought to assess microbial diversity and characterize the dominant bacteria in stool during the first year of life in relation to atopic eczema development.

    Methods: Microbial diversity and composition were analyzed with barcoded 16S rDNA 454-pyrosequencing in stool samples at 1 week, 1 month, and 12 months of age in 20 infants with IgE-associated eczema and 20 infants without any allergic manifestation until 2 years of age (ClinicalTrials.gov ID NCT01285830).

    Results: Infants with IgE-associated eczema had a lower diversity of the total microbiota at 1 month (P = .004) and a lower diversity of the bacterial phylum Bacteroidetes and the genus Bacteroides at 1 month (P = .02 and P = .01) and the phylum Proteobacteria at 12 months of age (P = .02). The microbiota was less uniform at 1 month than at 12 months of age, with a high interindividual variability. At 12 months, when the microbiota had stabilized, Proteobacteria, comprising gram-negative organisms, were more abundant in infants without allergic manifestation (Empirical Analysis of Digital Gene Expression in R [edgeR] test: P = .008, q = 0.02).

    Conclusion: Low intestinal microbial diversity during the first month of life was associated with subsequent atopic eczema.

  • 2.
    Adair, Brooke
    et al.
    School of Allied Health, Australian Catholic University, Fitzroy, Vic., Australia.
    Ullenhag, Anna
    Department of Women's and Children's Health, Karolinska Institute, Stockholm, Sweden.
    Keen, Deb
    Autism Centre of Excellence, Griffith University, Mt Gravatt, Qld, Australia.
    Granlund, Mats
    Jönköping University, School of Health and Welfare, HHJ, Dep. of Behavioural Science and Social Work. Jönköping University, School of Education and Communication, HLK, CHILD. Jönköping University, School of Health and Welfare, HHJ. CHILD.
    Imms, Christine
    School of Allied Health, Australian Catholic University, Fitzroy, Vic., Australia.
    The effect of interventions aimed at improving participation outcomes for children with disabilities: a systematic review2015In: Developmental Medicine & Child Neurology, ISSN 0012-1622, E-ISSN 1469-8749, Vol. 57, no 12, 1093-1104 p.Article, review/survey (Refereed)
    Abstract [en]

    Aim

    Enhancement of participation has been described as the ultimate outcome for health and educational interventions. The goal of this systematic review was to identify and critically appraise studies that aimed to improve the participation outcomes of children with disabilities.

    Method

    Nine databases that index literature from the fields of health, psychology, and education were searched to retrieve information on research conducted with children with disabilities aged between 5 years and 18 years. Articles were included if the author(s) reported that participation was an intended outcome of the intervention. The articles included were limited to those reporting high-level primary research, as defined by Australia's National Health and Medical Research Council evidence hierarchy guidelines. No restrictions were placed on the type of intervention being investigated.

    Results

    Seven randomized controlled or pseudo-randomized studies were included. Only three of these studies identified participation as a primary outcome. Both individualized and group-based approaches to enhancing participation outcomes appeared to be effective. Studies of interventions with a primary focus on body function or activity level outcomes did not demonstrate an effect on participation outcomes.

    Intepretation

    Few intervention studies have focused on participation as a primary outcome measure. Approaches using individually tailored education and mentoring programmes were found to enhance participation outcomes, while exercise programmes, where participation was a secondary outcome, generally demonstrated little effect.

  • 3.
    Aden, U.
    et al.
    Karolinska Inst, Womens & Childrens Hlth, Stockholm, Sweden.
    Hugoson, P.
    Karolinska Inst, Womens & Childrens Hlth, Stockholm, Sweden..
    Kostilainen, K.
    Univ Helsinki, Childrens Hosp, Helsinki, Finland..
    Mikkola, K.
    Univ Helsinki, Childrens Hosp, Helsinki, Finland..
    Mårtensson, G.
    Karolinska Inst, Womens & Childrens Hlth, Stockholm, Sweden..
    Lagercrantz, H.
    Karolinska Inst, Womens & Childrens Hlth, Stockholm, Sweden..
    Westrup, B.
    Karolinska Inst, Womens & Childrens Hlth, Stockholm, Sweden..
    Fellman, V.
    Lund Univ, Pediat, Lund, Sweden..
    Huotilainen, Minna
    Uppsala University, The Swedish Collegium for Advanced Study in the Social Sciences (SCASSS).
    The impacts of maternal singing during kangaroo care on mothers and infants2016In: European Journal of Pediatrics, ISSN 0340-6199, E-ISSN 1432-1076, Vol. 175, no 11, 1425-1425 p.Article in journal (Refereed)
  • 4. Agnafors, S.
    et al.
    Sydsjö, G.
    Comasco, Erika
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neuro-psycho-pharmacology. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Obstetrics and Gynaecology.
    Bladh, M.
    Oreland, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neuro-psycho-pharmacology.
    Svedin, C.
    Behaviour problems in children-a longitudinal study of genetic and environmental factors2015In: European Child and Adolescent Psychiatry, ISSN 1018-8827, E-ISSN 1435-165X, Vol. 24, S35-S35 p.Article in journal (Other academic)
  • 5.
    Agnafors, Sara
    et al.
    Linkoping Univ, Fac Hlth Sci, IKE, Div Child & Adolescent Psychiat, S-58185 Linkoping, Sweden.
    Comasco, Erika
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neuro-psycho-pharmacology.
    Bladh, Marie
    Linkoping Univ, Div Obstet & Gynecol IKE, Fac Hlth Sci, S-58185 Linkoping, Sweden.
    Sydsjö, Gunilla
    Linkoping Univ, Div Obstet & Gynecol IKE, Fac Hlth Sci, S-58185 Linkoping, Sweden.
    Dekeyser, Linda
    Linkoping Univ, Div Obstet & Gynecol IKE, Fac Hlth Sci, S-58185 Linkoping, Sweden.
    Oreland, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neuro-psycho-pharmacology.
    Svedin, Carl-Göran
    Linkoping Univ, Fac Hlth Sci, IKE, Div Child & Adolescent Psychiat, S-58185 Linkoping, Sweden.
    Effect of gene, environment and maternal depressive symptoms on pre-adolescence behavior problems: a longitudinal study2013In: Child and Adolescent Psychiatry and Mental Health, ISSN 1753-2000, E-ISSN 1753-2000, Vol. 7, 10Article in journal (Refereed)
    Abstract [en]

    BACKGROUND:

    Depression is a common and disabling condition with a high relapse frequency. Maternal mental health problems and experience of traumatic life events are known to increase the risk of behavior problems in children. Recently, genetic factors, in particular gene-by-environment interaction models, have been implicated to explain depressive etiology. However, results are inconclusive.

    METHODS:

    Study participants were members of the SESBiC-study. A total of 889 mothers and their children were followed during the child's age of 3 months to 12 years. Information on maternal depressive symptoms was gathered postpartum and at a 12 year follow-up. Mothers reported on child behavior and traumatic life events experienced by the child at age 12. Saliva samples were obtained from children for analysis of 5-HTTLPR and BDNF Val66Met polymorphisms.

    RESULTS:

    Multivariate analysis showed a significant association between maternal symptoms of depression and anxiety, and internalizing problems in 12-year-old children (OR 5.72, 95% CI 3.30-9.91). Furthermore, carriers of two short alleles (s/s) of the 5-HTTLPR showed a more than 4-fold increased risk of internalizing problems at age 12 compared to l/l carriers (OR 4.73, 95% CI 2.14-10.48). No gene-by-environment interaction was found and neither depressive symptoms postpartum or traumatic experiences during childhood stayed significant in the final model.

    CONCLUSIONS:

    Concurrent maternal symptoms of depression and anxiety are significant risk factors for behavior problems in children, which need to be taken into account in clinical practice. Furthermore, we found a main effect of 5-HTTLPR on internalizing symptoms in 12-year-old children, a finding that needs to be confirmed in future studies.

  • 6.
    Agnafors, Sara
    et al.
    Linkoping Univ, Dept Clin & Expt Med, Fac Hlth Sci, Div Child & Adolescent Psychiat, SE-58185 Linkoping, Sweden..
    Sydsjö, Gunilla
    Linkoping Univ, Div Obstet & Gynaecol, Dept Clin & Expt Med, Fac Hlth Sci, SE-58185 Linkoping, Sweden..
    Comasco, Erika
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neuro-psycho-pharmacology.
    Bladh, Marie
    Linkoping Univ, Div Obstet & Gynaecol, Dept Clin & Expt Med, Fac Hlth Sci, SE-58185 Linkoping, Sweden..
    Oreland, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neuro-psycho-pharmacology.
    Svedin, Carl Göran
    Linkoping Univ, Dept Clin & Expt Med, Fac Hlth Sci, Div Child & Adolescent Psychiat, SE-58185 Linkoping, Sweden..
    Early predictors of behavioural problems in pre-schoolers: a longitudinal study of constitutional and environmental main and interaction effects2016In: BMC Pediatrics, ISSN 1471-2431, E-ISSN 1471-2431, Vol. 16, 76Article in journal (Refereed)
    Abstract [en]

    Background: The early environment is important for child development and wellbeing. Gene-by-environment studies investigating the impact of the serotonin transporter gene-linked polymorphic region (5-HTTLPR) and the Brain Derived Neurotrophic Factor (BDNF) Val66Met polymorphisms by life events on mental health and behaviour problems have been inconclusive. Methodological differences regarding sample sizes, study population, definitions of adversities and measures of mental health problems obstacle their comparability. Furthermore, very few studies included children. The aim of this study was to examine the associations between a broad range of risk factors covering pregnancy and birth, genetic polymorphism, experience of multiple life events and psychosocial environment, and child behaviour at age 3, using a comparably large, representative, population-based sample. Methods: A total of 1,106 children, and their mothers, were followed from pregnancy to age 3. Information on pregnancy and birth-related factors was retrieved from the Medical Birth Register. Questionnaires on depressive symptoms, child behaviour and child experiences of life events were filled in by the mothers. Child saliva samples were used for genotyping the 5-HTTLPR and BDNF Val66Met polymorphisms. Multiple logistic regression was used to investigate the association between psychological scales and genetic polymorphisms. Results: Symptoms of postpartum depression increased the risk of both internalizing and externalizing problems. Experience of multiple life events was also a predictor of behavioural problems across the scales. No gene-by-environment or gene-by-gene-by-environment interactions were found. Children of immigrants had an increased risk of internalizing problems and parental unemployment was significantly associated with both internalizing and externalizing type of problems. Conclusion: This study shows the importance of the psychosocial environment for psychosocial health in preschool children, and adds to the literature of null-findings of gene-by-environment effects of 5-HTTLPR and BDNF in children.

  • 7.
    Agrasada, Grace V.
    Uppsala University, Medicinska vetenskapsområdet, Faculty of Medicine, Department of Women's and Children's Health.
    Postnatal Peer Counseling on Exclusive Breastfeeding of Low-birthweight Filipino Infants: Results of a Randomized Controlled Trial2005Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    In a Manila hospital, 204 mothers were randomized into three groups: two intervention groups receiving home-based counseling visits, one of them (n=68) by counselors trained to use a locally developed, two-tiered program of breastfeeding counseling, and the other by counselors trained in general childcare (n=67), were compared with a control group of mothers (n=69) who did not receive any counseling. All infants were scheduled for seven visits to the hospital for follow-up. During hospital visits, maternal and infant body measurements were made and an independent interviewer asked the mothers individually to recall how the infant had been fed. One study physician, blind to participant groups, was consulted at all scheduled and unscheduled infant visits.

    At six months, 44% of the breastfeeding-counseled mothers, 7% of the childcare-counseled mothers and none of the mothers in the control group were exclusively breastfeeding. Twenty- four mothers breastfed exclusively during the first six months, of whom 22 received breastfeeding counseling and 2 had no breastfeeding counseling. Among 24 infants who were exclusively breastfed from birth to six months there were no episodes of diarrhea. All infants had gained in weight, length and head circumference. Mean maternal weight loss at six months was similar whether her breastfeeding was exclusive or partial.

    The reasons why mothers without breastfeeding counseling introduced non-breast milk feeding before six months reflected lack of knowledge and support. Breastfeeding support during the first six months focusing on how to prevent and solve breastfeeding problems, particularly during the first two weeks, will enable mothers to choose to breastfeed exclusively up to six months.

    This study has provided fundamental evidence of successful intervention by breastfeeding counseling to achieve six months of exclusive breastfeeding among term, low-birthweight infants. The locally developed training program in breastfeeding counseling, which successfully prepared volunteers to counsel mothers at home, could be incorporated into primary health care in the Philippines. Mothers who received breastfeeding counseling appreciated how this helped them to achieve their breastfeeding goals for the first six months. Improved breastfeeding practices as a result of breastfeeding counseling provided infants with protection from diarrhea and respiratory infections, contributing to their health and development.

  • 8.
    Ahlsson, Fredrik
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health.
    Kaijser, Magnus
    Clincial Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden.
    Adami, Johanna
    Clincial Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden.
    Lundgren, Maria
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health.
    Palme, Mårten
    Department of Economics, Stockholm University, Stockholm, Sweden.
    School performance after preterm birth2015In: Epidemiology, ISSN 1531-5487, E-ISSN 1531-5487, Vol. 26, no 1, 106-111 p.Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: An increased risk of poor school performance for children born preterm has been shown in many studies, but whether this increase is attributable to preterm birth per se or to other factors associated with preterm birth has not been resolved. METHODS: We used data from the Swedish Medical Birth Register, the Longitudinal Integration Database for Sickness Insurance and Labor Market Study, the Swedish Multigeneration Register, and the National School Register to link records comprising the Swedish birth cohorts from 1974 through 1991. Linear regression was used to assess the association between gestational duration and school performance, both with and without controlling for parental and socioeconomic factors. In a restricted analysis, we compared siblings only with each other. RESULTS: Preterm birth was strongly and negatively correlated with school performance. The distribution of school grades for children born at 31-33 weeks was on average 3.85 (95% confidence interval = -4.36 to -3.35) centiles lower than for children born at 40 weeks. For births at 22-24 weeks, the corresponding figure was -23.15 (-30.32 to -15.97). When taking confounders into account, the association remained. When restricting the analysis to siblings, however, the association between school performance and preterm birth after week 30 vanished completely, whereas it remained, less pronounced, for preterm birth before 30 weeks of gestation. CONCLUSIONS: Our study suggests that the association between school performance and preterm birth after 30 gestational weeks is attributable to factors other than preterm birth per se.

  • 9. Albertsson-Wikland, Kerstin
    et al.
    Kriström, Berit
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Jonsson, Björn
    Hochberg, Zeʼev
    Long-term response to growth hormone (GH) therapy in short children with a delayed infancy childhood transition (DICT)2011In: Pediatric Research, ISSN 0031-3998, E-ISSN 1530-0447, Vol. 69, 504-510 p.Article in journal (Refereed)
    Abstract [en]

    Transition of growth from infancy to childhood is associated with activation of the GH-IGF-I axis. Children with a delayed infancy-childhood-transition (ICT) are short as adults. Thus, age at ICT may impact on growth response to GH. The objective was to investigate associations between growth response to GH-treatment and ICT-timing in children with idiopathic short stature (ISS) in a randomized, controlled, multicenter trial, TRN 88-080. 147 pre-pubertal children (mean age, 11.5±1.4 yrs) were randomized to receive GH 33μg/kg/d (GH33, n=43), GH 67μg/kg/d (GH67, n=61) or no treatment (n=43). Data on growth to final height (FH) were analyzed after categorization into those with normal (n=76) or delayed ICT (n=71). Within the GH33 group, significant height gain at FH was only observed in children with a delayed ICT (p<0.001) with each month of delay corresponding to gain of 0.13 standard deviation score (SDS). For the GH67 group, the timing of the onset of the ICT had no impact on growth response. In conclusion, ISS children with a delayed ICT responded to standard-GH-dose (better responsiveness), whereas those with a normal ICT required higher doses to attain a significant height gain to FH.

  • 10. Albertsson-Wikland, Kerstin
    et al.
    Kriström, Berit
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics. berit.kristrom@umu.se.
    Lundberg, Elena
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Aronson, A. Stefan
    Gustafsson, Jan
    Hagenäs, Lars
    Ivarsson, Sten-A.
    Jonsson, Bjorn
    Ritzen, Martin
    Tuvemo, Torsten
    Westgren, Ulf
    Westphal, Otto
    Åman, Jan
    Growth Hormone Dose-Dependent Pubertal Growth: A Randomized Trial in Short Children with Low Growth Hormone Secretion2014In: Hormone Research in Paediatrics, ISSN 1663-2818, E-ISSN 1663-2826, Vol. 82, no 3, 158-170 p.Article in journal (Refereed)
    Abstract [en]

    Background/Aims: Growth hormone (GH) treatment regimens do not account for the pubertal increase in endogenous GH secretion. This study assessed whether increasing the GH dose and/or frequency of administration improves pubertal height gain and adult height (AH) in children with low GH secretion during stimulation tests, i. e. idiopathic isolated GH deficiency. Methods: A multicenter, randomized, clinical trial (No. 88-177) followed 111 children (96 boys) at study start from onset of puberty to AH who had received GH(33) mu g/kg/day for >= 1 year. They were randomized to receive 67 mu g/kg/day (GH(67)) given as one (GH(67x1); n = 35) or two daily injections (GH(33x2); n = 36), or to remain on a single 33 mu g/kg/day dose (GH(33x1); n = 40). Growth was assessed as height SDS gain for prepubertal, pubertal and total periods, as well as AH SDS versus the population and the midparental height. Results: Pubertal height SDS gain was greater for patients receiving a high dose (GH(67), 0.73) than a low dose (GH(33x1), 0.41, p < 0.05). AH(SDS) was greater on GH(67) (GH(67x1), -0.84; GH(33x2), -0.83) than GH(33) (-1.25, p < 0.05), and height SDS gain was greater on GH(67) than GH(33) (2.04 and 1.56, respectively; p < 0.01). All groups reached their target height SDS. Conclusion: Pubertal height SDS gain and AH SDS were dose dependent, with greater growth being observed for the GH(67) than the GH(33) randomization group; however, there were no differences between the once-and twice-daily GH(67) regimens. (C) 2014 S. Karger AG, Basel.

  • 11.
    Albertsson-Wikland, Kerstin
    et al.
    Univ Gothenburg, Goteborg Pediat Growth Res Ctr, Dept Pediat, Inst Clin Sci,Sahlgrenska Acad, Gothenburg, Sweden.
    Kriström, Berit
    Umeå Univ, Dept Clin Sci, Pediat Unit, Umeå, Sweden.
    Lundberg, Elena
    Umeå Univ, Dept Clin Sci, Pediat Unit, Umeå, Sweden.
    Aronson, A. Stefan
    Halmstad Cty Hosp, Dept Pediat, Halmstad, Sweden.
    Gustafsson, Jan
    Uppsala Univ, Dept Womens & Childrens Hlth, Uppsala, Sweden.
    Hagenäs, Lars
    Karolinska Inst, Dept Womens & Childrens Hlth, Stockholm, Sweden.
    Ivarsson, Sten-A.
    Lund Univ, Dept Pediat, Malmö, Sweden.
    Jonsson, Björn
    Uppsala Univ, Dept Womens & Childrens Hlth, Uppsala, Sweden.
    Ritzen, Martin
    Karolinska Inst, Dept Womens & Childrens Hlth, Stockholm, Sweden.
    Tuvemo, Torsten
    Uppsala Univ, Dept Womens & Childrens Hlth, Uppsala, Sweden.
    Westgren, Ulf
    Lund Univ, Dept Pediat, Malmo, Sweden.
    Westphal, Otto
    Univ Gothenburg, Goteborg Pediat Growth Res Ctr, Dept Pediat, Inst Clin Sci,Sahlgrenska Acad, Gothenburg, Sweden.
    Åman, Jan
    Örebro University, School of Health and Medical Sciences, Örebro University, Sweden.
    Growth hormone dose-dependent pubertal growth: a randomized trial in short children with low growth hormone secretion2014In: Hormone Research in Paediatrics, ISSN 1663-2818, E-ISSN 1663-2826, Vol. 82, no 3, 158-170 p.Article in journal (Refereed)
    Abstract [en]

    Background/Aims: Growth hormone (GH) treatment regimens do not account for the pubertal increase in endogenous GH secretion. This study assessed whether increasing the GH dose and/or frequency of administration improves pubertal height gain and adult height (AH) in children with low GH secretion during stimulation tests, i. e. idiopathic isolated GH deficiency.

    Methods: A multicenter, randomized, clinical trial (No. 88-177) followed 111 children (96 boys) at study start from onset of puberty to AH who had received GH(33) mu g/kg/day for >= 1 year. They were randomized to receive 67 mu g/kg/day (GH(67)) given as one (GH(67x1); n = 35) or two daily injections (GH(33x2); n = 36), or to remain on a single 33 mu g/kg/day dose (GH(33x1); n = 40). Growth was assessed as height SDS gain for prepubertal, pubertal and total periods, as well as AH SDS versus the population and the midparental height.

    Results: Pubertal height SDS gain was greater for patients receiving a high dose (GH(67), 0.73) than a low dose (GH(33x1), 0.41, p < 0.05). AH(SDS) was greater on GH(67) (GH(67x1), -0.84; GH(33x2), -0.83) than GH(33) (-1.25, p < 0.05), and height SDS gain was greater on GH(67) than GH(33) (2.04 and 1.56, respectively; p < 0.01). All groups reached their target height SDS.

    Conclusion: Pubertal height SDS gain and AH SDS were dose dependent, with greater growth being observed for the GH(67) than the GH(33) randomization group; however, there were no differences between the once-and twice-daily GH(67) regimens. (C) 2014 S. Karger AG, Basel.

  • 12.
    Albertsson-Wikland, Kerstin
    et al.
    Göteborg Pediatric Growth Research Center, Department of Pediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden.
    Kriström, Berit
    Pediatrics Unit, Department of Clinical Sciences, Umeå University, Sweden.
    Lundberg, Elena
    Pediatrics Unit, Department of Clinical Sciences, Umeå University, Sweden.
    Aronson, A Stefan
    Department of Pediatrics, Halmstad Hospital, Sweden.
    Gustafsson, Jan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics.
    Hagenäs, Lars
    Department of Women’s and Children’s Health, Karolinska Institute, Stockholm, Sweden.
    Ivarsson, Sten-A
    Department of Pediatrics, Lund University, Malmö, Sweden.
    Jonsson, Björn
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics.
    Ritzén, Martin
    Department of Women’s and Children’s Health, Karolinska Institute, Stockholm, Sweden.
    Tuvemo, Torsten
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics.
    Westgren, Ulf
    Department of Pediatrics, Lund University, Malmö, Sweden.
    Westphal, Otto
    Göteborg Pediatric Growth Research Center, Department of Pediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden.
    Aman, Jan
    School of Health and Medical Sciences, Örebro University, Sweden.
    Growth hormone dose-dependent pubertal growth: a randomized trial in short children with low growth hormone secretion2014In: Hormone Research in Paediatrics, ISSN 1663-2818, E-ISSN 1663-2826, Vol. 82, no 3, 158-170 p.Article in journal (Refereed)
    Abstract [en]

    BACKGROUND/AIMS: Growth hormone (GH) treatment regimens do not account for the pubertal increase in endogenous GH secretion. This study assessed whether increasing the GH dose and/or frequency of administration improves pubertal height gain and adult height (AH) in children with low GH secretion during stimulation tests, i.e. idiopathic isolated GH deficiency.

    METHODS: A multicenter, randomized, clinical trial (No. 88-177) followed 111 children (96 boys) at study start from onset of puberty to AH who had received GH 33 µg/kg/day for ≥1 year. They were randomized to receive 67 µg/kg/day (GH(67)) given as one (GH(67×1); n = 35) or two daily injections (GH(33×2); n = 36), or to remain on a single 33 µg/kg/day dose (GH(33×1); n = 40). Growth was assessed as heightSDSgain for prepubertal, pubertal and total periods, as well as AHSDS versus the population and the midparental height.

    RESULTS: Pubertal heightSDSgain was greater for patients receiving a high dose (GH(67), 0.73) than a low dose (GH(33×1), 0.41, p < 0.05). AHSDS was greater on GH(67) (GH(67×1), -0.84; GH(33×2), -0.83) than GH(33) (-1.25, p < 0.05), and heightSDSgain was greater on GH(67) than GH(33) (2.04 and 1.56, respectively; p < 0.01). All groups reached their target heightSDS.

    CONCLUSION: Pubertal heightSDSgain and AHSDS were dose dependent, with greater growth being observed for the GH(67) than the GH(33) randomization group; however, there were no differences between the once- and twice-daily GH(67) regimens.

  • 13. Albertsson-Wikland, Kerstin
    et al.
    Martensson, Anton
    Savendahl, Lars
    Niklasson, Aimon
    Bang, Peter
    Dahlgren, Jovanna
    Gustafsson, Jan
    Kriström, Berit
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Norgren, Svante
    Pehrsson, Nils-Gunnar
    Oden, Anders
    Mortality Is Not Increased in Recombinant Human Growth Hormone-treated Patients When Adjusting for Birth Characteristics2016In: Journal of Clinical Endocrinology and Metabolism, ISSN 0021-972X, E-ISSN 1945-7197, Vol. 101, no 5, 2149-2159 p.Article in journal (Refereed)
    Abstract [en]

    Objective: This study aimed to investigate whether reported high mortality in childhood recombinant human GH (rhGH)-treated patients was related to birth-characteristics and/or rhGH treatment.

    Design and Setting: We sought to develop a mortality model of the Swedish general population born between 1973 and 2010, using continuous-hazard functions adjusting for birth characteristics, sex, age intervals, and calendar year to estimate standardized mortality ratio (SMR) and to apply this model to assess expected deaths in Swedish rhGH-treated patients with idiopathic isolated GH deficiency (IGHD), idiopathic short stature (155) or born small for gestational age (SGA).

    Participants: The general population: Swedish Medical Birth Register (1973-2010: 1 880 668 males; 1 781 131 females) and Cause of Death Register (1985-2010).

    Intervention Population: Three thousand eight hundred forty-seven patients starting rhGH treatment between 1985 and 2010 and followed in the National GH Register and/or in rhGH trials diagnosed with IGHD (n = 1890), ISS (n = 975), or SGA (n=982).

    Main Outcome Measures: Death.

    Results: Using conventional models adjusting for age, sex, and calendar-year, the SMR was 1.43 (95% confidence interval, 0.89-2.19), P = .14, observed/expected deaths 21/14.68. The rhGH population differed (P < .001) from the general population regarding birth weight, birth length, and congenital malformations.

    Application of an Advanced Model: When applying the developed mortality model of the general population, the ratio of observed/expected deaths in rhGH-treated patients was 21/21.99; SMR = 0.955 (0.591-1.456)P = .95.

    Model Comparison: Expected number of deaths were 14.68 (14.35-14.96) using the conventional model, and 21.99 (21.24-22.81) using the advanced model, P < .001, which had at all ages a higher gradient of risk per SD of the model, 24% (range, 18-42%; P < .001).

    Conclusions: Compared with the general Swedish population, the ratio of observed/expected deaths (21/21.99) was not increased in childhood rhGH-treated IGHD, ISS, and SGA patients when applying an advanced sex-specific mortality model adjusting for birth characteristics.

  • 14. Albertsson-Wikland, Kerstin
    et al.
    Mårtensson, Anton
    Sävendahl, Lars
    Niklasson, Aimon
    Bang, Peter
    Dahlgren, Jovanna
    Gustafsson, Jan
    Kriström, Berit
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Norgren, Svante
    Pehrsson, Nils-Gunnar
    Oden, Anders
    Birth Characteristics Explain One Third of Expected Deaths in rhGH-treated Patients Diagnosed with IGHD, ISS & SGA2016In: Hormone Research in Paediatrics, ISSN 1663-2818, E-ISSN 1663-2826, Vol. 86, 49-49 p.Article in journal (Other academic)
  • 15.
    Alenius Dahlqvist, Jenny
    et al.
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Karlsson, Marcus
    Umeå University, Faculty of Medicine, Department of Radiation Sciences, Radiation Physics.
    Wiklund, Urban
    Umeå University, Faculty of Medicine, Department of Radiation Sciences, Radiation Physics.
    Hörnsten, Rolf
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Clinical Physiology.
    Strömvall-Larsson, Eva
    Division of Cardiology, Department of Paediatrics, Sahlgrenska University Hospital/Queen Silvia Children’s Hospital, Göteborg University, Göteborg, Sweden.
    Berggren, Håkan
    Division of Cardiothoracic Surgery, Department of Paediatrics, Sahlgrenska University Hospital/Queen Silvia Children’s Hospital, Göteborg University, Göteborg, Sweden.
    Hanseus, Katarina
    Department of Paediatrics, Children’s Hospital, Lund University Hospital, Lund, Sweden.
    Johansson, Sune
    Paediatric Cardiac Surgical Unit, Children’s Hospital, Lund University Hospital, Lund, Sweden.
    Rydberg, Annika
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Heart rate variability in children with fontan circulation: lateral tunnel and extracardiac conduit2012In: Pediatric Cardiology, ISSN 0172-0643, E-ISSN 1432-1971, Vol. 33, no 2, 307-315 p.Article in journal (Refereed)
    Abstract [en]

    The technique in Fontan surgery has developed from the lateral tunnel (LT) toward the extracardiac conduit (EC) used to reduce long-term complications such as atrial arrhythmia and sinus node dysfunction. Heart rate variability (HRV) examines cardiac nervous activity controlling the sinus node. This study aimed to investigate HRV in a cohort of children with univentricular hearts, focusing on the relation between HRV and surgical procedure. For 112 children with Fontan circulation, HRV was analyzed using power spectral analysis. Spectral power was determined in three regions: very-low-frequency (VLF), low-frequency (LF), and high-frequency (HF) regions. Patients were compared with 66 healthy controls subject. Patients with LT were compared with patients who had EC. The children with Fontan circulation showed a significantly reduced HRV including total power (P < 0.0001), VLF (P < 0.0001), LF (P < 0.0001), and HF (P = 0.001) compared with the control subjects. The LT and EC patients did not differ significantly. Reduced HRV was found in both the LT and EC patients. In terms of HRV reduction, EC was not superior to LT.

  • 16. Allansson Kjölhede, Elin
    et al.
    Gustafsson, Per E.
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Family Medicine.
    Gustafsson, P. A.
    Nelson, N.
    Overweight and obese children have lower cortisol levels than normal weight children2014In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 103, no 3, 295-299 p.Article in journal (Refereed)
    Abstract [en]

    AIM: The stress hormone cortisol is vital to survival, and a disturbed circadian rhythm can be deleterious to health. However, little is known about cortisol levels in healthy children. The aim of this study was to examine cortisol levels in relation to body mass index (BMI), age and sex. METHODS: Salivary samples were collected in early morning, late morning and evening, on four consecutive days, from 342 children aged 6-12years using Salivette((R)) tubes. Samples were analysed using a commercial enzyme immunoassay (EIA). School nurses measured the children's height and weight, and these measurements were used to calculate their BMI. RESULTS: The children displayed a circadian rhythm in cortisol secretion, with morning zeniths and evening nadirs. Average cortisol levels in early morning, late morning and evening were significantly lower in overweight and obese children than in their normal weight counterparts. Cortisol levels did not vary significantly with age or sex. CONCLUSION: Our findings may suggest cortisol suppression in overweight and obese children. We found no evidence that sex or age influences cortisol levels. These findings highlight the need for further research on the relationship between stress and obesity in children.

  • 17.
    Allbrand, Marianne
    et al.
    Örebro University, School of Health and Medical Sciences, Örebro University, Sweden. Örebro Univ Hosp, Dept Obstet & Gynaecol, Örebro, Sweden.
    Björkqvist, Maria
    Örebro University, School of Medicine, Örebro University, Sweden. Orebro University Hospital. Dept Paediat.
    Nilsson, Kerstin
    Örebro University, School of Medicine, Örebro University, Sweden. Orebro University Hospital. Dept Obstet & Gynaecol.
    Östlund, Ingrid
    Örebro University, School of Health and Medical Sciences, Örebro University, Sweden. Orebro University Hospital. Dept Obstet & Gynaecol.
    Åman, Jan
    Orebro University Hospital. Örebro University. Dept Paediat.
    Placental gene expression of inflammatory markers and growth factors: a case control study of obese and normal weight women2015In: Journal of Perinatal Medicine, ISSN 0300-5577, E-ISSN 1619-3997, Vol. 43, no 2, 159-164 p.Article in journal (Refereed)
    Abstract [en]

    Objective: To survey the placental gene expression of inflammatory markers and growth factors in non-smoking obese women with an uncomplicated pregnancy without associated morbidity and delivery at term compared with normal weight women.

    Methods: Placental tissue samples from 32 obese women (body mass index, BMI >= 35.0 kg/m(2)) were compared with samples from 94 normal weight women (BMI 18.5-25.0 kg/m(2)) matched for age (+/- 1 year), gestational age (+/- 3 days), parity and mode of delivery. Semi-quantitative reverse transcription polymerase chain reaction (RT-PCR) was used to analyse toll receptor-2 and -4, interleukin-6 and -8, tumour necrosis factor-alpha, leptin, adiponectin, insulin-like growth factor-1 and -2, hepatocyte growth factor, hepatocyte growth factor receptor and insulin receptor.

    Results: There was no significant difference in gene expression in placental tissue samples from obese and normal weight women.

    Conclusion: We found no difference in the occurrence of inflammatory marker and growth factor mRNA levels in placental tissue samples from a large group of obese women without associated morbidity and with healthy infants compared to a closely matched control group of healthy normal weight women. Compared with the previous studies, this anomalous finding may be explained by the absence of associated morbidity in the obese women in our study.

  • 18.
    Allbrand, Marianne
    et al.
    Örebro University, School of Health and Medical Sciences, Örebro University, Sweden.
    Åman, Jan
    Örebro University, School of Health and Medical Sciences, Örebro University, Sweden.
    Lodefalk, Maria
    Örebro University, School of Medical Sciences.
    Adipocytokines in placenta and cord blood in relation to maternal obesity, and foetal and postnatal growth of the child2015In: Hormone Research in Paediatrics, ISSN 1663-2818, E-ISSN 1663-2826, Vol. 82, no Suppl. 1, 47-48 p.Article in journal (Other academic)
    Abstract [en]

    Background: The nutritional and hormonal state in utero may be a link between maternal obesity and obesity in the offspring. The gene expression in placentae in pregnancies complicated by diabetes is reduced for leptin, but increased for ghrelin. It is not known whether these genes’ expressions in placentae are altered in maternal obesity.

    Objectives and hypotheses: To compare obese and normal-weight women and their children concerning gene expressions of leptin and ghrelin in placentae; leptin, ghrelin, adiponectin, and C-peptide levels in cord blood, birth size and postnatal growth. Changes in the expression of these adipocytokines may lead to an altered hypothalamic sensitivity to leptin and ghrelin resulting in an increased risk of obesity in the offspring.

    Method: 32 women with pre-pregnancy obesity, but otherwise healthy, were compared to 32 matched, normal-weight controls. Full-term placenta biopsies were analysed with qPCR for leptin mRNA and ghrelin mRNA. Cord blood samples were examined with ELISA for leptin, ghrelin, adiponectin, and C-peptide concentrations. Birth size and postnatal growth of the children were collected from clinical registers at the Child Health Care Units.

    Results: The leptin and ghrelin gene expressions in placentae did not differ between obese and normal-weight women. The leptin concentration in cord blood was higher in children of obese mothers (P=0.021). It correlated with birth weight Z-score (r=0.467, P<0.001) and C-peptide level in cord blood (r=0.446, P<0.001). Children of obese women were slightly heavier at birth, but postnatal growth did not differ between groups. Children with birth weight  ≤−0.67 Z-score had higher ghrelin levels in cord blood than heavier children (P=0.042). The leptin level in cord blood correlated negatively with weight gain at 6 months (r=−0.332, P=0.009). The ghrelin level in cord blood correlated with weight gain at 3 months in girls (r=0.611, P=0.001), but not in boys. The adiponectin level in cord blood correlated negatively with length gain at 3 years in the obese group (r=−0.571, P=0.033), but not in the normal-weight group.

    Conclusion: Leptin and ghrelin placental gene expressions are not altered in obese women, but foetal adipocytokine production may influence early postnatal growth, possibly by influencing hunger signalling or insulin levels

  • 19.
    Al-Mashhadi, Ammar Nadhom Farman
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology.
    Nevéus, Tryggve
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health.
    Stenberg, Arne
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health.
    Karanikas, Birgitta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology.
    Persson, A. Erik G.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology.
    Carlstrom, Mattias
    Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.
    Wahlin, Nils
    Department of Pediatric Surgery, Astrid Lindgren Hospital, Karolinska Institutet, Stockholm, Sweden.
    Surgical treatment reduces blood pressure in children with unilateral congenital hydronephrosis2015In: Journal of Pediatric Urology, ISSN 1477-5131, E-ISSN 1873-4898, Vol. 11, no 2, 91.e1-91.e6 p.Article in journal (Refereed)
    Abstract [en]

    Objective Renal disorders can cause hypertension, but less is known about the influence of hydronephrosis on blood pressure. Hydronephrosis due to pelvo-ureteric junction obstruction (PUJO) is a fairly common condition (incidence in newborns of 0.5-1%). Although hypertensive effects of hydronephrosis have been suggested, this has not been substantiated by prospective studies in humans [1-3]. Experimental studies with PUJO have shown that animals with induced hydronephrosis develop salt-sensitive hypertension, which strongly correlate to the degree of obstruction [4-7]. Moreover, relief of the obstruction normalized blood pressure [8]. In this first prospective study our aim was to study the blood pressure pattern in pediatric patients with hydronephrosis before and after surgical correction of the ureteral obstruction. Specifically, we investigated if preoperative blood pressure is reduced after surgery and if split renal function and renographic excretion curves provide any prognostic information. Patients and methods Twelve patients with unilateral congenital hydronephrosis were included in this prospective study. Ambulatory blood pressure (24 h) was measured preoperatively and six months after surgery. Preoperative evaluations of bilateral renal function by Tc99m-MAG3 scintigraphy, and renography curves, classified according to O'Reilly, were also performed. Results As shown in the summary figure, postoperative systolic (103 +/- 2 mmHg) and diastolic (62 +/- 2 mmHg) blood pressure were significantly lower than those obtained preoperatively (110 +/- 4 and 69 +/- 2 mmHg, respectively), whereas no changes in circadian variation or pulse pressure were observed. Renal functional share of the hydronephrotic kidney ranged from 11 to 55%. There was no correlation between the degree of renal function impairment and the preoperative excretory pattern, or between the preoperative excretory pattern and the blood pressure reduction postoperatively. However, preoperative MAG3 function of the affected kidney correlated with the magnitude of blood pressure change after surgery. Discussion Correction of the obstruction lowered blood pressure, and the reduction in blood pressure appeared to correlate with the degree of renal functional impairment, but not with the excretory pattern. Thus, in the setting of hypertension, it appears that the functional share of the hydronephrotic kidney should be considered an indicator of the need for surgery, whereas the renography curve is less reliable. The strength of the present study is the prospective nature and that ambulatory blood pressure monitoring was used. Future longitudinal prolonged follow-up studies are warranted to confirm the present findings, and to understand if a real nephrogenic hypertension with potential necessity of treatment will develop. Conclusion This novel prospective study in patients with congenital hydronephrosis demonstrates a reduction in blood pressure following relief of the obstruction. Based on the present results, we propose that the blood pressure level should also be taken into account when deciding whether to correct hydronephrosis surgically or not.

  • 20.
    Almberg, Maria
    et al.
    Mobility Centre Gothenburg, Sweden.
    Selander, Helena
    Mobility Centre Gothenburg, Sweden.
    Falkmer, Marita
    Jönköping University, School of Education and Communication, HLK, CHILD. School of Occupational Therapy and Social Work, Faculty of Health Sciences, Curtin University, Perth, Australia.
    Vaz, Sharmila
    School of Occupational Therapy and Social Work, Faculty of Health Sciences, Curtin University, Perth, Australia.
    Ciccarelli, Marina
    School of Occupational Therapy and Social Work, Faculty of Health Sciences, Curtin University, Perth, Australia.
    Falkmer, Torbjörn
    Jönköping University, School of Health and Welfare, HHJ, Dep. of Rehabilitation. Jönköping University, School of Health and Welfare, HHJ. CHILD. School of Occupational Therapy and Social Work, Faculty of Health Sciences, Curtin University, Perth, Australia.
    Experiences of facilitators or barriers in driving education from learner and novice drivers with ADHD or ASD and their driving instructors2017In: Developmental Neurorehabilitation, ISSN 1751-8423, E-ISSN 1751-8431, Vol. 20, no 2, 59-67 p.Article in journal (Refereed)
    Abstract [en]

    Background: Little is known about whether individuals with autism spectrum disorder (ASD) or attention deficit hyperactive disorder (ADHD) experience any specific facilitators or barriers to driving education.

    Objective: To explore the facilitators or barriers to driving education experienced by individuals with ASD or ADHD who obtained a learner’s permit, from the perspective of the learner drivers and their driving instructors.

    Methods: Data were collected from 33 participants with ASD or ADHD, and nine of their driving instructors.

    Results: Participants with ASD required twice as many driving lessons and more on-road tests than those with ADHD. Participants with ADHD repeated the written tests more than those with ASD. Driving license theory was more challenging for individuals with ADHD, whilst individuals with ASD found translating theory into practice and adjusting to “unfamiliar” driving situations to be the greatest challenges.

    Conclusion: Obtaining a driving license was associated with stressful training experience.

  • 21. Almon, Ricardo
    et al.
    Nilsson, Torbjörn K
    Department of Laboratory Medicine, Clinical Chemistry, Örebro University Hospital, Örebro, Sweden.
    Sjöström, Michael
    Engfeldt, Peter
    Lactase persistence and milk consumption are associated with body height in Swedish preadolescents and adolescents2011In: Food & Nutrition Research, ISSN 1654-6628, E-ISSN 1654-661X, Vol. 55Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: Body height is a classic polygenic trait. About 80%-90% of height is inherited and 10%-20% owed to environmental factors, of which the most important ones are nutrition and diseases in preadolescents and adolescents.

    OBJECTIVE: The aim of this study was to explore potential relations between the LCT (lactase) C>T-13910 polymorphism, milk consumption, and body height in a sample of Swedish preadolescents and adolescents.

    DESIGN: In a cross-sectional study, using a random sample of preadolescents and adolescents (n = 597), dietary intakes were determined. Anthropometric measurements including sexual maturity (Tanner stage) and birth weight were assessed. Parental body height and socio-economic status (SES) were obtained by questionnaires. Genotyping for the LCT C>T-13910 polymorphism that renders individuals lactase persistent (LP) or lactase non-persistent (LNP) was performed by DNA sequencing. Stepwise backward multivariate linear regression was used.

    RESULTS: Milk consumption was significantly and positively associated with body height (β = 0.45; 95% CI: 0.040, 0.87, p = 0.032). Adjustments were performed for sex, parental height, birth weight, body mass index (BMI), SES, and Tanner stage. This model explains 90% of the observed variance of body height (adjusted R(2) = 0.89). The presence of the -13910 T allele was positively associated with body height (β = 2.05; 95% CI: 0.18, 3.92, p = 0.032).

    CONCLUSIONS: Milk consumption is positively associated with body height in preadolescents and adolescents. We show for the first time that a nutrigenetic variant might be able to explain in part phenotypic variation of body height in preadolescents and adolescents. Due to the small sample size further studies are needed.

  • 22.
    Almqvist-Tangen, Gerd
    et al.
    Child Health Care Team, County Council Halland, Sweden & Department of Paediatrics, University of Gothenburg, Gothenburg, Sweden.
    Bergman, Stefan
    Research and Development Centre, Spenshult Hospital, Oskarström, Sweden.
    Dahlgren, Jovanna
    Department of Paediatrics, University of Gothenburg, Gothenburg, Sweden.
    Roswall, Josefine
    Department of Paediatrics, County Hospital, Halmstad, Sweden & Department of Paediatrics, University of Gothenburg, Gothenburg, Sweden.
    Alm, Bernt
    Child Health Care Team, County Council Halland, Sweden & Department of Paediatrics, University of Gothenburg, Gothenburg, Sweden.
    Factors associated with discontinuation of breastfeeding before 1 month of age2012In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 101, no 1, 55-60 p.Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: Breastfeeding is associated with many benefits for both mother and child. Initiation rates are high in Sweden. Recently a slight decline is seen.

    AIM: The aim of this study was to assess factors associated with discontinuation of breastfeeding during the first 4 weeks.

    METHOD: A population-based longitudinal birth cohort study recruiting from 2007 to 2008 in south-western Sweden. At the first visit to the child health centre, parents were asked to complete a questionnaire. Also, the infants' height, weight, head and waist circumference were collected. Response rate was 69.2%.

    RESULTS: Twenty-seven per cent of mothers had breastfeeding problems. In a multivariate analysis, there was a negative correlation between breastfeeding and use of pacifier (OR 3.72; CI 2.09-6.63), maternal smoking (OR 2.09; CI 1.08-4.05) and breastfeeding problems (OR 2.54; CI 1.73-3.71). Breastfeeding problems were correlated with poor sucking technique (OR 2.96; CI 2.14-4.07), support from maternity ward (OR 2.56; CI 2.05-3.19) and perceived poor weight gain (OR 1.37; CI 1.00-1.86).

    CONCLUSION: Many mothers reported breastfeeding problems that are associated with an early cessation. This is preventable with support, but the timing is crucial. To promote breastfeeding, the support from the child health centres must be tailored with the maternal perspective in mind.

    © 2011 Foundation Acta Pædiatrica

  • 23. Ambrosi, Aurélie
    et al.
    Salomonsson, Stina
    Eliasson, Håkan
    Zeffer, Elisabeth
    Skog, Amanda
    Dzikaite, Vijole
    Bergman, Gunnar
    Fernlund, Eva
    Tingström, Joanna
    Theander, Elke
    Rydberg, Annika
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Skogh, Thomas
    Öhman, Annika
    Lundström, Ulla
    Mellander, Mats
    Winqvist, Ola
    Fored, Michael
    Ekbom, Anders
    Alfredsson, Lars
    Källberg, Henrik
    Olsson, Tomas
    Gadler, Fredrik
    Jonzon, Anders
    Kockum, Ingrid
    Sonesson, Sven-Erik
    Wahren-Herlenius, Marie
    Development of heart block in children of SSA/SSB-autoantibody-positive women is associated with maternal age and displays a season-of-birth pattern2012In: Annals of the Rheumatic Diseases, ISSN 0003-4967, E-ISSN 1468-2060, Vol. 71, no 3, 334-340 p.Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: Congenital heart block may develop in the fetuses of Ro/SSA-positive and La/SSB-positive mothers. Recurrence rates of only 10-20% despite persisting maternal antibodies indicate that additional factors are critical for the establishment of heart block. The authors investigated the influence of other maternal and fetal factors on heart block development in a Swedish population-based cohort.

    METHODS: The influence of fetal gender, maternal age, parity and time of birth on heart block development was analysed in 145 families, including Ro/La-positive (n=190) and Ro/La-negative (n=165) pregnancies.

    RESULTS: There was a recurrence rate of 12.1% in Ro/La-positive women, and no recurrence in Ro/La-negative women. Fetal gender and parity did not influence the development of heart block in either group. Maternal age in Ro/La-positive pregnancies with a child affected by heart block was, however, significantly higher than in pregnancies resulting in babies without heart block (p<0.05).Seasonal timing of pregnancy influenced the outcome. Gestational susceptibility weeks 18-24 occurring during January-March correlated with a higher proportion of children with heart block and lower vitamin D levels during the same period in a representative sample of Swedish women and a corresponding higher proportion of children with heart block born in the summer (p<0.02). Maternal age or seasonal timing of pregnancy did not affect the outcome in Ro/La-negative pregnancies.

    CONCLUSION: This study identifies maternal age and seasonal timing of pregnancy as novel risk factors for heart block development in children of Ro/La-positive women. These observations may be useful for counselling when pregnancy is considered.

  • 24.
    Amer, Ahmed
    et al.
    Örebro University, School of Health and Medical Sciences, Örebro University, Sweden. Orebro University Hospital.
    Eliasson, Ann-Christin
    Department of Women's and Children's Health, Karolinska Institute, Stockholm, Sweden.
    Peny-Dahlstrand, Marie
    Regional Rehabilitation Centre, Queen Silvia Children's Hospital, Gothenburg, Sweden; Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
    Hermansson, Liselotte
    Örebro University, School of Health and Medical Sciences, Örebro University, Sweden. Orebro University Hospital. Department of Prosthetics and Orthotics.
    Validity and test-retest reliability of Children's Hand-use Experience Questionnaire in children with unilateral cerebral palsy2016In: Developmental Medicine & Child Neurology, ISSN 0012-1622, E-ISSN 1469-8749, Vol. 58, no 7, 743-749 p.Article in journal (Refereed)
    Abstract [en]

    Aim: To investigate the validity of the internet-based version of the Children's Hand-use Experience Questionnaire (CHEQ) by testing the new four-category rating scale, internal structure, and test-retest reliability.

    Method: Data were collected for 242 children with unilateral cerebral palsy (CP) (137 males and 105 females; mean age 9y 10mo, SD 3y 5mo, range 6-18y). Twenty children from the study sample (mean age 11y 8mo, SD 3y 10mo) participated in a retest within 7 to 14 days. Validity was tested by Rasch analysis based on a rating scale model and test-retest reliability by Kappa analysis and intraclass correlation coefficient (ICC).

    Results: The four-category rating scale was within recommended criteria for rating scale structure. One item was removed because of misfit. CHEQ showed good scale structure according to the criteria. The effective operational range was >90% for two of the CHEQ scales. Test-retest reliability for the three CHEQ scales was: grasp efficacy, ICC=0.91; time taken, ICC=0.88; and feeling bothered, ICC=0.91.

    Interpretation: The internet-based CHEQ with a four-category rating scale is valid and reliable for use in children with unilateral CP. Further studies are needed to investigate the validity of the internet-based version of CHEQ for children with upper limb reduction deficiency or obstetric brachial plexus palsy and the validity of the recommended improvements to the current version.

  • 25.
    Amoudruz, Petra
    et al.
    Stockholm University, Faculty of Science, The Wenner-Gren Institute .
    Holmlund, Ulrika
    Stockholm University, Faculty of Science, The Wenner-Gren Institute .
    Schollin, Jens
    Sverremark-Ekström, Eva
    Stockholm University, Faculty of Science, The Wenner-Gren Institute .
    Montgomery, Scott M
    Stockholm University, Faculty of Social Sciences, Department of Psychology.
    Maternal country of birth and previous pregnancies are associated with breast milk characteristics2009In: Pediatric Allergy and Immunology, ISSN 0905-6157, E-ISSN 1399-3038, Vol. 20, no 1, 19-29 p.Article in journal (Refereed)
    Abstract [en]

    Populations in high infectious exposure countries are at low risk of some immune-mediated diseases such as Crohn’s disease and allergy. This low risk is maintained upon immigration to an industrialized country, but the offspring of such immigrants have a higher immune-mediated disease risk than the indigenous population. We hypothesize that early life exposures in a developing country shape the maternal immune system, which could have implications for the offspring born in a developed country with a low infectious load. The aim of this study was to investigate if exposures in childhood (indicated by country of origin) and subsequent exposures influence immunologic characteristics relevant to stimulation of offspring. Breast milk components among 64 mothers resident in Sweden, 32 of whom immigrated from a developing country, were examined using the ELISA and Cytometric Bead Array methods. Immigrants from a developing country had statistically significantly higher levels of breast milk interleukin-6 (IL-6), IL-8 and transforming growth factor-β1. A larger number of previous pregnancies were associated with down-regulation of several substances, statistically significant for soluble CD14 and IL-8. The results suggest that maternal country of birth may influence adult immune characteristics, potentially relevant to disease risk in offspring. Such a mechanism may explain the higher immune-mediated disease risk among children of migrants from a developing to developed country. Older siblings may influence disease risk through the action of previous pregnancies on maternal immune characteristics.

  • 26.
    Anand, Kanwlajeet J. S.
    et al.
    Departments of Pediatrics, Anesthesiology, Perioperative & Pain Medicine, Stanford University School of Medicine, Stanford CA, USA.
    Eriksson, Mats
    Örebro University, School of Health Sciences.
    Boyle, Elaine M.
    Department of Health Sciences, University of Leicester, Leicester, United Kingdom .
    Avila-Alvarez, Alejandro
    Department of Neonatology, Complexo Hospitalario Universitario de A Coruña, Coruña, Spain.
    Dovland Andersen, Randi
    Department of Child & Adolescent Health Services, Telemark Hospital, Skien, Norway.
    Sarafidis, Kosmas
    1st Department of Neonatology, Hippokrateion General Hospital, Aristotle University of Thessaloniki, Thessalokiki, Greece.
    Pölkki, Tarja
    Children and Women Department, Oulu University Hospital, Oulu, Finland.
    Matos, Christina
    Maternidade Dr. Alfredo da Costa, Lisboa, Portugal.
    Lago, Paola
    Department of Woman's and Child's Health, University of Padua, Padua, Italy.
    Papadouri, Thalia
    Department of Paediatrics, Arch. Makarios III Hospital, Nicosia, Cyprus.
    Attard-Montalto, Simon
    Department of Paediatrics, Mater Dei Hospital, Msida, Malta.
    Ilmoja, Mari-Liis
    Department of Paediatrics, Tallinn Children's Hospital, Tallinn, Estonia.
    Simmons, Sinno
    Department of Pediatrics, Erasmus MC–Sophia Kinderziekenhuis, Rotterdam, The Netherlands.
    Tameliene, Rasa
    Department of Neonatology, Kaunas Perinatal Center, Lithuanian University of Health Sciences, Kaunas, Lithuania.
    van Overmeire, Bart
    Cliniques Universitaires de Bruxelles, Erasme Hospital, Bruxelles, Belgium.
    Berger, Angelika
    Department of Pediatrics and Adolescent Medicine, Medical University Vienna, Vienna, Austria.
    Dobrzanska, Anna
    Department of Neonatology, Children's Memorial Health Institute Warsaw, Warszawa, Poland.
    Schroth, Michael
    Department of Paediatrics, Cnopf'sche Kinderklinik, Nürnberg Children's Hospital, Nürenberg, Germany.
    Bergqvist, Lena
    Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Solna, Sweden.
    Courtois, Emilie
    Urgences Pédiatriques, Hôpital Armand Trousseau, INSERM U1153, Université Pierre et Marie Curie Paris VI, Paris, France.
    Rousseau, Jessica
    Urgences Pédiatriques, Hôpital Armand Trousseau, INSERM U1153, Université Pierre et Marie Curie Paris VI, Paris, France.
    Carbajal, Ricardo
    Urgences Pédiatriques, Hôpital Armand Trousseau, INSERM U1153, Université Pierre et Marie Curie Paris VI, Paris, France.
    EUROPAIN survey working group of the NeoOpioid Consortium, Group author
    Assessment of continuous pain in newborns admitted to NICUs in 18 European countries2017In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 106, no 8, 1248-1259 p.Article in journal (Refereed)
    Abstract [en]

    Aim: Continuous pain occurs routinely, even after invasive procedures, or inflammation and surgery, but clinical practices associated with assessments of continuous pain remain unknown.

    Methods: A prospective cohort study in 243 Neonatal Intensive Care Units (NICUs) from 18 European countries recorded frequency of pain assessments, use of mechanical ventilation, sedation, analgesia, or neuromuscular blockade for each neonate upto 28 days after NICU admission.

    Results: Only 2113/6648 (31·8%) of neonates received assessments of continuous pain, occurring variably among tracheal ventilation (TrV, 46·0%), noninvasive ventilation (NiV, 35·0%), and no ventilation (NoV, 20·1%) groups (p<0·001). Daily assessments for continuous pain occurred in only 10·4% of all neonates (TrV: 14·0%, NiV: 10·7%, NoV: 7·6%; p<0·001). More frequent assessments of continuous pain occurred in NICUs with pain guidelines, nursing champions, and surgical admissions prompted (all p<0·01), and for newborns <32 weeks gestational age, those requiring ventilation, or opioids, sedatives-hypnotics, general anesthetics (O-SH-GA) (all p<0·001), or surgery (p=0·028). Use of O-SH-GA drugs increased the odds for pain assessment in the TrV (OR:1·60, p<0·001) and NiV groups (OR:1·40, p<0·001).

    Conclusion: Assessments of continuous pain occurred in less than one-third of NICU admissions, and daily in only 10% of neonates. NICU clinical practices should consider including routine assessments of continuous pain in newborns.

  • 27.
    Andersen, Randi Dovland
    et al.
    Telemarkshospitalet, Skien, Norway; Karolinska Institutet, Stockholm, Sweden.
    Axelin, Anna
    University of Turku, Turku, Finland.
    Kristjánsdóttir, Guðrún
    University of Iceland, Reykjavik, Iceland.
    Eriksson, Mats
    Örebro University, School of Health Sciences.
    PEARL—Pain in Early Life: A New Network for Research and Education2017In: Journal of Perinatal & Neonatal Nursing, ISSN 0893-2190, E-ISSN 1550-5073, Vol. 31, no 2, 91-95 p.Article in journal (Refereed)
  • 28.
    Andersson, B
    et al.
    Department of Pediatrics, Göteborg Pediatric Growth Research Center, The Institute of Clinical Sciences.
    Carlsson, L M S
    Institute of Medicine, The Sahlgrenska Academy at Göteborg University, Göteborg, Sweden.
    Carlsson, B
    Institute of Medicine, The Sahlgrenska Academy at Göteborg University, Göteborg, Sweden.
    Albertsson-Wikland, K
    Department of Pediatrics, Göteborg Pediatric Growth Research Center, The Institute of Clinical Sciences.
    Bjarnason, R
    Department of Pediatrics, Göteborg Pediatric Growth Research Center, The Institute of Clinical Sciences.
    Decrease in adiponectin levels correlates to growth response in growth hormone-treated children2009In: Hormone Research, ISSN 0301-0163, E-ISSN 1423-0046, Vol. 71, no 4, 213-218 p.Article in journal (Refereed)
    Abstract [en]

    BACKGROUND/AIMS: Adiponectin is secreted by adipose tissue and circulates in human plasma at high levels. Decreased adiponectin levels are associated with insulin resistance and obesity. The aim of this study was to investigate whether changes in serum adiponectin levels are related to the growth response, insulin levels and insulin resistance during growth hormone (GH) treatment. METHODS: The study included 94 short prepubertal children (19 girls and 75 boys). The mean age at the start of daily GH injections was 9.04 +/- 2.38 years. Adiponectin levels in serum were measured using an ELISA. RESULTS: At baseline, adiponectin correlated with the first-year growth response (r = 0.26, p = 0.012). Adiponectin decreased significantly after 1 week, 3 months and 1 year from 14.5 +/- 5.71 to 13.1 +/- 5.22 (p < 0.0001), 10.3 +/- 4.82 (p < 0.0001) and 12.5 +/- 5.34 microg/ml (p < 0.0001), respectively. There were significant correlations between the first-year growth response and the decrease in adiponectin levels after 3 months and 1 year (r = -0.38, p < 0.0001 and r = -0.47, p < 0.0001, respectively). No correlations between adiponectin, insulin and the homeostasis model assessment of insulin resistance were seen. CONCLUSIONS: GH treatment in prepubertal children decreases serum adiponectin levels, and the decrease is correlated to the growth response. No correlations between adiponectin and insulin levels or insulin resistance were found.

  • 29.
    Andersson, Hanna
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Anaesthesiology and Intensive Care.
    Zarén, Björn
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Anaesthesiology and Intensive Care.
    Frykholm, Peter
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Anaesthesiology and Intensive Care.
    Low incidence of pulmonary aspiration in children allowed intake of clear fluids until called to the operating suite2015In: Pediatric Anaesthesia, ISSN 1155-5645, E-ISSN 1460-9592, Vol. 25, no 8, 770-777 p.Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: International guidelines recommend 2 h of clear fluid fasting prior to general anesthesia. The pediatric anesthesia unit of Uppsala University Hospital has been implementing a more liberal fasting regime for more than a decade; thus, children scheduled for elective procedures are allowed to drink clear fluids until called to the operating suite.

    AIM: To determine the incidence of perioperative pulmonary aspiration in pediatric patients allowed unlimited intake of clear fluids prior to general anesthesia.

    METHOD: Elective pediatric procedures between January 2008 and December 2013 were examined retrospectively by reviewing anesthesia charts and discharge notes in the electronic medical record system. All notes from the care event and available chest x-rays were examined for cases showing vomiting, regurgitation, and/or aspiration. Pulmonary aspiration was defined as radiological findings consistent with aspiration and/or postoperative symptoms of respiratory distress after vomiting during anesthesia.

    RESULTS: Of the 10 015 pediatric anesthetics included, aspiration occurred in three (0.03% or 3 in 10 000) cases. No case required cancellation of the surgical procedure, intensive care or ventilation support, and no deaths attributable to aspiration were found. Pulmonary aspiration was suspected, but not confirmed by radiology or continuing symptoms, in an additional 14 cases.

    CONCLUSION: Shortened fasting times may improve the perioperative experience for parents and children with a low risk of aspiration.

  • 30.
    Andersson, Martin
    et al.
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine.
    Bjerg, Anders
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Pulmonary Medicine.
    Forsberg, Bertil
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine.
    Lundbäck, Bo
    Rönmark, Eva
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine.
    The clinical expression of asthma in schoolchildren has changed between 1996 and 20062010In: Pediatric Allergy and Immunology, ISSN 0905-6157, E-ISSN 1399-3038, Vol. 21, no 5, 859-866 p.Article in journal (Refereed)
    Abstract [en]

    Several studies have reported diverging trends in the prevalence of asthma and wheeze. The aim of this study was to investigate the clinical expression of childhood asthma in 1996 and 2006 by studying asthma morbidity, treatment, and environmental exposures in school children with physician-diagnosed asthma and wheeze, respectively. All children enrolled in first or second grade (7-8 yr-old) in three municipalities in northern Sweden were invited to a questionnaire study in 1996 and 2006, respectively. In 1996, 3430 (97%) participated; and in 2006, 2585 (96%) participated. The same parental completed questionnaire, including the ISAAC questions, was used in both surveys. Physician-diagnosed asthma was reported at 5.7% in 1996 and 7.4% in 2006. A significantly greater proportion of children with asthma were using inhaled corticosteroids (ICS) in 2006, 67% vs. 55% in 1996. This increase was parallel to a major decrease in severe asthma symptoms such as disturbed sleep because of wheeze (49% vs. 38%) and troublesome asthma (21% vs. 11%). The prevalence of current wheeze among the asthmatics decreased significantly; however, this was seen only among children not using ICS. Parental smoking decreased significantly as did the proportion living in damp buildings. In conclusion, although asthma remains a major public health issue in school age children, children with asthma had less respiratory symptoms and a better asthma control in 2006 compared to 1996. This parallels with an increase in treatment with ICS, more beneficial environmental conditions, and an increased diagnostic intensity resulting in a larger proportion of children with mild symptoms being diagnosed as having asthma.

  • 31.
    Andersson, Martin
    et al.
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine. The OLIN Studies, Luleå.
    Hedman, Linnea
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine. The OLIN Studies, Luleå.
    Bjerg, Anders
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Pulmonary Medicine. The OLIN Studies, Luleå ; Krefting Research Centre, Institute of Medicine, Göteborgs universitet.
    Forsberg, Bertil
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine.
    Lundbäck, Bo
    The OLIN Studies, Luleå ; Krefting Research Centre, Institute of Medicine, Göteborgs universitet.
    Rönmark, Eva
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine. The OLIN Studies, Luleå.
    Remission and Persistence of Asthma Followed From 7 to 19 Years of Age2013In: Pediatrics, ISSN 0031-4005, E-ISSN 1098-4275, Vol. 132, no 2, E435-E442 p.Article in journal (Refereed)
    Abstract [en]

    BACKGROUND AND OBJECTIVE: To date, a limited number of population-based studies have prospectively evaluated the remission of childhood asthma. This work was intended to study the remission and persistence of childhood asthma and related factors. METHODS: In 1996, a questionnaire was distributed to the parents of all children aged 7 to 8 years in 3 municipalities in northern Sweden, and 3430 (97%) participated. After a validation study, 248 children were identified as having asthma; these children were reassessed annually until age 19 years when 205 (83%) remained. During the follow-up period lung function, bronchial challenge testing, and skin prick tests were performed. Remission was defined as no use of asthma medication and no wheeze during the past 12 months as reported at endpoint and in the 2 annual surveys preceding endpoint (ie, for >= 3 years). RESULTS: At age 19 years, 21% were in remission, 38% had periodic asthma, and 41% persistent asthma. Remission was more common among boys. Sensitization to furred animals and a more severe asthma (asthma score >= 2) at age 7 to 8 years were both inversely associated with remission, odds ratio 0.14 (95% confidence interval 0.04-0.55) and 0.19 (0.07-0.54), respectively. Among children with these 2 characteristics, 82% had persistent asthma during adolescence. Asthma heredity, damp housing, rural living, and smoking were not associated with remission. CONCLUSIONS: The probability of remission of childhood asthma from age 7- to 8-years to age 19 years was largely determined by sensitization status, particularly sensitization to animals, asthma severity, and female gender, factors all inversely related to remission.

  • 32.
    Andersson, Ola
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics.
    Effects of Delayed versus Early Cord Clamping on Healthy Term Infants2013Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    The aim of this thesis was to study maternal and infant effects of delayed cord clamping (≥180 seconds, DCC) compared to early (≤10 seconds, ECC) in a randomised controlled trial. Practice and guidelines regarding when to clamp the cord vary globally, and different meta-analyses have shown contradictory conclusions on benefits and disadvantages of DCC and ECC.

    The study population consisted of 382 term infants born after normal pregnancies and randomised to DCC or ECC after birth. The primary objective was iron stores and iron deficiency at 4 months of age, but the thesis was designed to investigate a wide range of suggested effects associated with cord clamping.

    Paper I showed that DCC was associated with improved iron stores at 4 months (45% higher ferritin) and that the incidence of iron deficiency was reduced from 5.7% to 0.6%. Neonatal anaemia at 2-3 days was less frequent in the DCC group, 1.2% vs. 6.3%. There were no differences between the groups in respiratory symptoms, polycythaemia, or hyperbilirubinaemia.

    In paper II we demonstrated that DCC versus ECC was not associated with higher risk for maternal post partum haemorrhage and rendered a comparable ratio of valid umbilical artery blood gas samples.

    In paper III, the Ages and Stages Questionnaire was used to assess neurodevelopment at 4 months. The total scores did not differ, but the DCC group had a higher score in the problem-solving domain and a lower score in the personal-social domain. Immunoglobulin G level was 0.7 g/L higher in the DCC group at 2–3 days, but did not differ at 4 months. Symptoms of infection up to 4 months were comparable between groups.

    Finally, in paper IV, iron stores and neurodevelopment were similar between groups at 12 months. Gender specific outcome on neurodevelopment at 12 months was discovered, implying positive effects from DCC on boys and negative on girls.

    We conclude that delaying umbilical cord clamping for 180 seconds is safe and associated with a significantly reduced risk for iron deficiency at 4 months, which may have neurodevelopmental effects at a later age.

  • 33.
    Andersson, Ola
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, International Maternal and Child Health (IMCH).
    The transition to extra-uterine life by extremely preterm infants: handle with care2016In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 105, no 4, 337-338 p.Article in journal (Other academic)
  • 34.
    Andersson, Ola
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics.
    Domellof, Magnus
    Andersson, Dan
    Hellström-Westas, Lena
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics.
    Effect of Delayed vs Early Umbilical Cord Clamping on Iron Status and Neurodevelopment at Age 12 Months A Randomized Clinical Trial2014In: JAMA PEDIATR, ISSN 2168-6203, Vol. 168, no 6, 547-554 p.Article in journal (Refereed)
    Abstract [en]

    IMPORTANCE Prevention of iron deficiency in infancy may promote neurodevelopment. Delayed cord clamping (DCC) can prevent iron deficiency during the first 6 months of life. However, no data are available on long-term effects on infant outcomes in relation to time for umbilical cord clamping. OBJECTIVE To investigate effects of DCC, as compared with early cord clamping (ECC), on infant iron status and neurodevelopment at age 12 months in a European setting. DESIGN, SETTING, AND PARTICIPANTS Randomized clinical trial of 382 full-term infants born after a low-risk pregnancy at a Swedish county hospital. Follow-up at 12 months included evaluation of iron status (ferritin level, transferrin saturation, transferrin receptor level, reticulocyte hemoglobin level, and mean cell volume) and parental assessment of neurodevelopment by the Ages and Stages Questionnaire, second edition (ASQ). INTERVENTIONS Infants were randomized to DCC (>= 180 seconds after delivery) or ECC (<= 10 seconds after delivery). MAIN OUTCOMES AND MEASURES The main outcome was iron status at age 12 months; the secondary outcome was ASQ score. RESULTS In total, 347 of 382 infants (90.8%) were assessed. The DCC and ECC groups did not differ in iron status (mean ferritin level, 35.4 vs 33.6 ng/mL, respectively; P =.40) or neurodevelopment (mean ASQ total score, 229.6 vs 233.1, respectively; P =.42) at age 12 months. Predictors of ferritin levels were infant sex and ferritin in umbilical cord blood. Predictors of ASQ score were infant sex and breastfeeding within 1 hour after birth. For both outcomes, being a boy was associated with lower results. Interaction analysis showed that DCC was associated with an ASQ score 5 points higher among boys (mean [SD] score, 229 [43] for DCC vs 224 [39] for ECC) but 12 points lower among girls (mean [SD] score, 230 [39] for DCC vs 242 [36] for ECC), out of a maximum of 300 points (P =.04 for the interaction term). CONCLUSIONS AND RELEVANCE Delayed cord clamping did not affect iron status or neurodevelopment at age 12 months in a selected population of healthy term-born infants. However, it may not be possible to demonstrate minor effects on neurodevelopment with the size of the study population and the chosen method for assessment. The current data indicate that sex may influence the effects on infant development after DCC in different directions. The magnitude and biological reason for this finding remain to be investigated.

  • 35. Andersson, Ola
    et al.
    Domellöf, Magnus
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Andersson, Dan
    Hellstrom-Westas, Lena
    Effect of Delayed vs Early Umbilical Cord Clamping on Iron Status and Neurodevelopment at Age 12 Months A Randomized Clinical Trial2014In: JAMA Pediatrics, ISSN 2168-6203, Vol. 168, no 6, 547-554 p.Article in journal (Refereed)
    Abstract [en]

    IMPORTANCE Prevention of iron deficiency in infancy may promote neurodevelopment. Delayed cord clamping (DCC) can prevent iron deficiency during the first 6 months of life. However, no data are available on long-term effects on infant outcomes in relation to time for umbilical cord clamping. OBJECTIVE To investigate effects of DCC, as compared with early cord clamping (ECC), on infant iron status and neurodevelopment at age 12 months in a European setting. DESIGN, SETTING, AND PARTICIPANTS Randomized clinical trial of 382 full-term infants born after a low-risk pregnancy at a Swedish county hospital. Follow-up at 12 months included evaluation of iron status (ferritin level, transferrin saturation, transferrin receptor level, reticulocyte hemoglobin level, and mean cell volume) and parental assessment of neurodevelopment by the Ages and Stages Questionnaire, second edition (ASQ). INTERVENTIONS Infants were randomized to DCC (>= 180 seconds after delivery) or ECC (<= 10 seconds after delivery). MAIN OUTCOMES AND MEASURES The main outcome was iron status at age 12 months; the secondary outcome was ASQ score. RESULTS In total, 347 of 382 infants (90.8%) were assessed. The DCC and ECC groups did not differ in iron status (mean ferritin level, 35.4 vs 33.6 ng/mL, respectively; P =.40) or neurodevelopment (mean ASQ total score, 229.6 vs 233.1, respectively; P =.42) at age 12 months. Predictors of ferritin levels were infant sex and ferritin in umbilical cord blood. Predictors of ASQ score were infant sex and breastfeeding within 1 hour after birth. For both outcomes, being a boy was associated with lower results. Interaction analysis showed that DCC was associated with an ASQ score 5 points higher among boys (mean [SD] score, 229 [43] for DCC vs 224 [39] for ECC) but 12 points lower among girls (mean [SD] score, 230 [39] for DCC vs 242 [36] for ECC), out of a maximum of 300 points (P =.04 for the interaction term). CONCLUSIONS AND RELEVANCE Delayed cord clamping did not affect iron status or neurodevelopment at age 12 months in a selected population of healthy term-born infants. However, it may not be possible to demonstrate minor effects on neurodevelopment with the size of the study population and the chosen method for assessment. The current data indicate that sex may influence the effects on infant development after DCC in different directions. The magnitude and biological reason for this finding remain to be investigated.

  • 36. Andersson, Ola
    et al.
    Domellöf, Magnus
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Andersson, Dan
    Hellström-Westas, Lena
    Effects of delayed cord clamping on neurodevelopment and infection at four months of age: a randomised trial2013In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 102, no 5, 525-531 p.Article in journal (Refereed)
    Abstract [en]

    Aim To investigate the effect that delayed and early umbilical cord clamping have on neurodevelopment, immunoglobulin G (IgG) and symptoms of infection during the first 4months of life.

    Methods Full-term infants (n=382) were randomised to delayed (180sec) or early cord clamping (10sec). The Ages and Stages Questionnaire (ASQ) was used to assess neurodevelopment at 4months. Immunoglobulin G was measured at birth, 23days and 4months. Parents recorded any symptoms indicating infection during the first 4months of life.

    Results The total scores from the ASQ did not differ between groups. However, the delayed cord clamping (DCC) group had a higher mean (SD) score in the problem-solving domain [55.3 (7.2) vs. 53.5 (8.2), p=0.03] at 4months and a lower mean (SD) score in the personal-social domain [49.5 (9.3) vs. 51.8 (8.1), p=0.01]. The IgG level was higher in the DCC group at 23days (11.7 vs. 11.0g/L, p=0.004), but did not differ between the groups at 4months. Symptoms of infection were comparable between the groups.

    Conclusion Delayed cord clamping did not affect overall neurodevelopment or symptoms of infection up to 4months of age, but may have an impact on specific neurodevelopmental domains.

  • 37. Andersson, Ola
    et al.
    Hellstrom-Westas, Lena
    Domellöf, Magnus
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Elective caesarean: does delay in cord clamping for 30 s ensure sufficient iron stores at 4 months of age? A historical cohort control study2016In: BMJ Open, ISSN 2044-6055, E-ISSN 2044-6055, Vol. 6, no 11, e012995Article in journal (Refereed)
    Abstract [en]

    Objective: To compare iron stores in infants born after elective caesarean section (CS) and a 30 s delay of umbilical cord clamping with those born vaginally after early (<= 10 s) or delayed (>= 180 s) cord clamping. Design: Prospective observational study with historical control. Setting: Swedish county hospital. Population: 64 infants born after elective CS were compared with a historical control of 166 early clamped and 168 delayed clamped after vaginal birth. Methods: Blood and iron status were measured in blood samples collected at birth, 48-96 hours after birth, 4 and 12 months of age. Primary and secondary outcome measures: Ferritin at 4 months of age was the primary outcome, second outcome measures were other indicators of iron status, and haemoglobin, at 4 and 12 months of age, as well as respiratory distress at 1 and 6 hours after birth. Results: At 4 months infants born by elective CS had better iron status than those born vaginally subjected to early cord clamping, shown by higher adjusted mean difference of ferritin concentration (39 mu g/L (95% CI 10 to 60)) and mean cell volume (1.8 fL (95% CI 0.6 to 3.0)); and lower levels of transferrin receptors (-0.39 mg/L (95% CI -0.69 to -0.08)). No differences were seen between infants born after elective CS and delayed clamped vaginally born infants at 4 months. No differences were found between groups at 12 months of age. Conclusions: Waiting to clamp the umbilical cord for 30 s after elective CS results in higher iron stores at 4 months of age compared with early cord clamping after vaginal birth, and seems to ensure iron status comparable with those achieved after 180 s delayed cord clamping after vaginal birth.

  • 38. Andersson, Ola
    et al.
    Hellström-Westas, Lena
    Andersson, Dan
    Domellöf, Magnus
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Effect of delayed versus early umbilical cord clamping on neonatal outcomes and iron status at 4 months: a randomised controlled trial2011In: BMJ. British Medical Journal (International Ed.), ISSN 0959-8146, E-ISSN 1468-5833, Vol. 343, d7157- p.Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: To investigate the effects of delayed umbilical cord clamping, compared with early clamping, on infant iron status at 4 months of age in a European setting.

    DESIGN: Randomised controlled trial.

    SETTING: Swedish county hospital.

    PARTICIPANTS: 400 full term infants born after a low risk pregnancy.

    INTERVENTION: Infants were randomised to delayed umbilical cord clamping (≥180 seconds after delivery) or early clamping (≤10 seconds after delivery).

    MAIN OUTCOME MEASURES: Haemoglobin and iron status at 4 months of age with the power estimate based on serum ferritin levels. Secondary outcomes included neonatal anaemia, early respiratory symptoms, polycythaemia, and need for phototherapy.

    RESULTS: At 4 months of age, infants showed no significant differences in haemoglobin concentration between the groups, but infants subjected to delayed cord clamping had 45% (95% confidence interval 23% to 71%) higher mean ferritin concentration (117 μg/L v 81 μg/L, P<0.001) and a lower prevalence of iron deficiency (1 (0.6%) v 10 (5.7%), P=0.01, relative risk reduction 0.90; number needed to treat=20 (17 to 67)). As for secondary outcomes, the delayed cord clamping group had lower prevalence of neonatal anaemia at 2 days of age (2 (1.2%) v 10 (6.3%), P=0.02, relative risk reduction 0.80, number needed to treat 20 (15 to 111)). There were no significant differences between groups in postnatal respiratory symptoms, polycythaemia, or hyperbilirubinaemia requiring phototherapy.

    CONCLUSIONS: Delayed cord clamping, compared with early clamping, resulted in improved iron status and reduced prevalence of iron deficiency at 4 months of age, and reduced prevalence of neonatal anaemia, without demonstrable adverse effects. As iron deficiency in infants even without anaemia has been associated with impaired development, delayed cord clamping seems to benefit full term infants even in regions with a relatively low prevalence of iron deficiency anaemia. Trial registration Clinical Trials NCT01245296.

  • 39.
    Andersson, Ola
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, International Maternal and Child Health (IMCH). Department of Research and Development, Region Halland, Sweden.
    Hellström-Westas, Lena
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics.
    Domellöf, Magnus
    Department of Clinical Sciences, Pediatrics, Umeå University, Umeå, Sweden.
    Elective caesarean: does delay in cord clamping for 30 s ensure sufficient iron stores at 4 months of age? A historical cohort control study2016In: BMJ Open, ISSN 2044-6055, E-ISSN 2044-6055, Vol. 6, no 11, e012995Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: To compare iron stores in infants born after elective caesarean section (CS) and a 30 s delay of umbilical cord clamping with those born vaginally after early (≤10 s) or delayed (≥180 s) cord clamping.

    DESIGN: Prospective observational study with historical control.

    SETTING: Swedish county hospital.

    POPULATION: 64 infants born after elective CS were compared with a historical control of 166 early clamped and 168 delayed clamped after vaginal birth.

    METHODS: Blood and iron status were measured in blood samples collected at birth, 48-96 hours after birth, 4 and 12 months of age.

    PRIMARY AND SECONDARY OUTCOME MEASURES: Ferritin at 4 months of age was the primary outcome, second outcome measures were other indicators of iron status, and haemoglobin, at 4 and 12 months of age, as well as respiratory distress at 1 and 6 hours after birth.

    RESULTS: At 4 months infants born by elective CS had better iron status than those born vaginally subjected to early cord clamping, shown by higher adjusted mean difference of ferritin concentration (39 µg/L (95% CI 10 to 60)) and mean cell volume (1.8 fL (95% CI 0.6 to 3.0)); and lower levels of transferrin receptors (-0.39 mg/L (95% CI -0.69 to -0.08)). No differences were seen between infants born after elective CS and delayed clamped vaginally born infants at 4 months. No differences were found between groups at 12 months of age.

    CONCLUSIONS: Waiting to clamp the umbilical cord for 30 s after elective CS results in higher iron stores at 4 months of age compared with early cord clamping after vaginal birth, and seems to ensure iron status comparable with those achieved after 180 s delayed cord clamping after vaginal birth.

  • 40.
    Andersson, Ola
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics.
    Lindquist, Barbro
    Hosp Halland, Habilitat Ctr, Halmstad, Sweden..
    Lindgren, Magnus
    Lund Univ, Dept Psychol, Lund, Sweden..
    Stjernqvist, Karin
    Lund Univ, Dept Psychol, Lund, Sweden..
    Domellof, Magnus
    Umea Univ, Dept Clin Sci, Pediat Unit, Umea, Sweden..
    Hellström-Westas, Lena
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics.
    Effect of Delayed Cord Clamping on Neurodevelopment at 4 Years of Age A Randomized Clinical Trial2015In: JAMA pediatrics, ISSN 2168-6203, E-ISSN 2168-6211, Vol. 169, no 7, 631-638 p.Article in journal (Refereed)
    Abstract [en]

    IMPORTANCE Prevention of iron deficiency in infancy may promote neurodevelopment. Delayuci umbilical cord clamping (CC) prevents iron deficiency at 4 to 6 months of age, but long-term effects after 12 months of age have not been reported. OBJECTIVE To investigate the effects of delayed CC compared with early CC on neurodevelopment at 4 years of age. DESIGN, SETTING, AND PARTICIPANTS Follow-up of a randomized clinical trial conducted from April 16, 2008, through May 21, 2010, at a Swedish county hospital. Children who were included in the original study (n = 382) as full-term infants born after a low-risk pregnancy were invited to return for follow-up at 4 years of age. Wechsler Preschool and Primary Scale of Intelligence (WPPSI-111) and Movement Assessment Battery for Children (Movement ABC) scores (collected between April 18, 2012, and July 5, 2013) were assessed by a blinded psychologist. Between April 11, 2012, and August 13, 2013, parents recorded their child's development using the Ages and Stages Questionnaire, Third Edition (ASQ) and behavior using the Strengths and Difficulties Questionnaire. All data were analyzed by intention to treat. INTERVENTIONS Randomization to delayed CC (>= 180 seconds after delivery) or early CC (<= 10 seconds after delivery). MAIN OUTCOMES AND MEASURES The main outcome was full-scale IQ as assessed by the were development as assessed by the scales from the WPPSI-III and Movement ABC, development as recorded using the ASQ, and behavior using the Strengths and Difficulties Questionnaire. RESULTS We assessed 263 children (68.8%). No differences were found in WPPSI-III scores between groups. Delayed CC improved the adjusted mean differences (AMDs) in the ASQ personal-social (AMD, 2.8; 95% Cl, 0.8-4.7) and fine-motor (AMD, 2.1; 95% Cl, 0.2-4.0) domains and the Strengths and Difficulties Questionnaire prosocial subscale (AMD, 0.5; 95% Cl, >0.0-0.9). Fewer children in the delayed-CC group had results below the cutoff in the ASQ fine-motor domain (11.0% vs 3.7%; P =.02) and the Movement ABC bicycle-trail task (12.9% vs 3.8%; P =.02). Boys who received delayed CC had significantly higher AMDs in the WPPSI-III processing-speed quotient (AMD, 4.2; 95% Cl, 0.8-7.6; P =.02), Movement ABC bicycle-trail task (AMD, 0.8; 95% Cl, 0.1-1.5; P =.03), and fine-motor (AMD, 4.7; 95% Cl, 1.0-8.4; P =.01) and personal-social (AMD, 4.9; 95% Cl, 1.6-8.3; P =.004) domains of the ASQ. CONCLUSIONS AND RELEVANCE Delayed CC compared with early CC improved scores in the fine-motor at 4 years of age, especially in boys, indicating that optimizing the time to CC may affect neurodevelopment in a low-risk population of children born in a high-income country.

  • 41. Andersson, Ola
    et al.
    Lindquist, Barbro
    Lindgren, Magnus
    Stjernqvist, Karin
    Domellöf, Magnus
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Hellstrom-Westas, Lena
    Effect of Delayed Cord Clamping on Neurodevelopment at 4 Years of Age: A Randomized Clinical Trial2015In: JAMA pediatrics, ISSN 2168-6203, E-ISSN 2168-6211, Vol. 169, no 7, 631-638 p.Article in journal (Refereed)
    Abstract [en]

    IMPORTANCE Prevention of iron deficiency in infancy may promote neurodevelopment. Delayuci umbilical cord clamping (CC) prevents iron deficiency at 4 to 6 months of age, but long-term effects after 12 months of age have not been reported. OBJECTIVE To investigate the effects of delayed CC compared with early CC on neurodevelopment at 4 years of age. DESIGN, SETTING, AND PARTICIPANTS Follow-up of a randomized clinical trial conducted from April 16, 2008, through May 21, 2010, at a Swedish county hospital. Children who were included in the original study (n = 382) as full-term infants born after a low-risk pregnancy were invited to return for follow-up at 4 years of age. Wechsler Preschool and Primary Scale of Intelligence (WPPSI-111) and Movement Assessment Battery for Children (Movement ABC) scores (collected between April 18, 2012, and July 5, 2013) were assessed by a blinded psychologist. Between April 11, 2012, and August 13, 2013, parents recorded their child's development using the Ages and Stages Questionnaire, Third Edition (ASQ) and behavior using the Strengths and Difficulties Questionnaire. All data were analyzed by intention to treat. INTERVENTIONS Randomization to delayed CC (>= 180 seconds after delivery) or early CC (<= 10 seconds after delivery). MAIN OUTCOMES AND MEASURES The main outcome was full-scale IQ as assessed by the were development as assessed by the scales from the WPPSI-III and Movement ABC, development as recorded using the ASQ, and behavior using the Strengths and Difficulties Questionnaire. RESULTS We assessed 263 children (68.8%). No differences were found in WPPSI-III scores between groups. Delayed CC improved the adjusted mean differences (AMDs) in the ASQ personal-social (AMD, 2.8; 95% Cl, 0.8-4.7) and fine-motor (AMD, 2.1; 95% Cl, 0.2-4.0) domains and the Strengths and Difficulties Questionnaire prosocial subscale (AMD, 0.5; 95% Cl, >0.0-0.9). Fewer children in the delayed-CC group had results below the cutoff in the ASQ fine-motor domain (11.0% vs 3.7%; P =.02) and the Movement ABC bicycle-trail task (12.9% vs 3.8%; P =.02). Boys who received delayed CC had significantly higher AMDs in the WPPSI-III processing-speed quotient (AMD, 4.2; 95% Cl, 0.8-7.6; P =.02), Movement ABC bicycle-trail task (AMD, 0.8; 95% Cl, 0.1-1.5; P =.03), and fine-motor (AMD, 4.7; 95% Cl, 1.0-8.4; P =.01) and personal-social (AMD, 4.9; 95% Cl, 1.6-8.3; P =.004) domains of the ASQ. CONCLUSIONS AND RELEVANCE Delayed CC compared with early CC improved scores in the fine-motor at 4 years of age, especially in boys, indicating that optimizing the time to CC may affect neurodevelopment in a low-risk population of children born in a high-income country.

  • 42.
    Andersson, Yvonne
    et al.
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Hammarström, Marie-Louise
    Umeå University, Faculty of Medicine, Department of Clinical Microbiology, Immunology/Immunchemistry.
    Lönnerdal, Bo
    Department of Nutrition, University of California, Davis, CA 95616.
    Graverholt, Gitte
    Arla Foods Ingredients, Aarhus, Denmark.
    Fält, Helen
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Hernell, Olle
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Formula feeding skews immune cell composition toward adaptive immunity compared to breastfeeding2009In: Journal of Immunology, ISSN 0022-1767, E-ISSN 1550-6606, Vol. 183, no 7, 4322-4328 p.Article in journal (Refereed)
    Abstract [en]

    The ontogeny of the immune system and the effect thereon by type of infant feeding is incompletely understood. We analyzed frequencies and composition of immune cells in blood of breastfed (BF) and formula-fed (FF) infants at 1.5, 4, and 6 mo of age. Three formulas with the same protein concentration but with varying levels of alpha-lactalbumin and caseinoglycomacropeptide were compared. Twenty-nine exclusively BF infants served as reference, and 17 infants in each formula group completed the study. Whole blood and PBMCs were analyzed by flow cytometry and immunoflow cytometry, respectively. Leukocyte count of BF infants increased with time due to increased frequency of neutrophils. Lymphocyte count was high at 1.5 mo and was unchanged over time, as were the relative proportions of CD4+ alphabetaT cells, CD8+ alphabetaT cells, B cells, NK cells, and gammadeltaT cells. Most CD45R0+CD3+ cells were HLA-DR- and hence memory cells. Compared with breastfeeding, formula feeding resulted in a significant decrease in proportion of NK cells, but a significant increase in naive CD4+ alphabetaT cells and an elevated CD4-to-CD8 ratio, that is, 3.3 in the combined FF groups compared with 2.6 in the BF group. No significant differences were found between the three groups of FF infants. In conclusion, blood cells of lymphoid lineage did not change significantly in frequencies or composition from 1.5 to 6 mo of age in BF infants. In contrast, FF infants displayed an ongoing maturation of adaptive immunity cells and a delayed recruitment of innate immunity cells as compared with BF infants.

  • 43.
    Anderzén-Carlsson, Agneta
    et al.
    Örebro University, Department of Clinical Medicine.
    Kihlgren, Mona
    Skeppner, Gunnar
    Sörlie, Venke
    How physicians and nurses handle fear in children with cancer2007In: Journal of Pediatric Nursing: Nursing Care of Children and Families, ISSN 0882-5963, E-ISSN 1532-8449, Vol. 22, no 1, 71-80 p.Article in journal (Refereed)
    Abstract [en]

    Previous research on fear in children with cancer has often focused on interventions to alleviate fear related to medical procedures and less on how to meet the challenges related to existential fear. This study aimed to describe how experienced nurses and physicians handle fear in children with cancer. Ten nurses and physicians with more than 10 years of experience in child oncology from a university hospital in Sweden were interviewed, and a qualitative content analysis was performed on the data. Nurses' and physicians' handling of fear encompasses commitment and closeness and yet also a distancing from fear and its expressions

  • 44.
    Anderzén-Carlsson, Agneta
    et al.
    Örebro University, Department of Clinical Medicine.
    Kihlgren, Mona
    Svantesson, Mia
    Örebro University, Department of Clinical Medicine.
    Sörlie, Venke
    Children's fear as experienced by the parents of children with cancer2007In: Journal of Pediatric Nursing: Nursing Care of Children and Families, ISSN 0882-5963, E-ISSN 1532-8449, Vol. 22, no 3, 233-244 p.Article in journal (Refereed)
    Abstract [en]

    It is known that children with cancer experience and express fear, but little is found in the literature about how the parents experience their child's fear. This study aimed to highlight the parents' lived experience and understanding of their child's fear. Focus group interviews with 15 parents were performed. Data were analyzed through a phenomenological hermeneutic method. Fear in children with cancer is described by the parents as a multidimensional phenomenon, which is somehow difficult to identify. It appears in contrast to the absence of fear. The comprehensive understanding of the results reveals that the parents experience their children's fear as both a suffering and an ethical demand for the parents to answer.

  • 45.
    Andrade, Anenisia C.
    et al.
    Division of Pediatric Endocrinology, Department of Women’s and Children’s Health, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden.
    Jee, Youn Hee
    Section of Growth and Development, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA.
    Nilsson, Ola
    Örebro University, School of Medical Sciences. Division of Pediatric Endocrinology, Department of Women’s and Children’s Health, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden; Örebro University Hospital, Örebro, Sweden.
    New Genetic Diagnoses of Short Stature Provide Insights into Local Regulation of Childhood Growth2017In: Hormone Research in Paediatrics, ISSN 1663-2818, E-ISSN 1663-2826, Vol. 88, no 1, 22-37 p.Article, review/survey (Refereed)
    Abstract [en]

    Idiopathic short stature is a common condition with a heterogeneous etiology. Advances in genetic methods, including genome sequencing techniques and bioinformatics approaches, have emerged as important tools to identify the genetic defects in families with monogenic short stature. These findings have contributed to the understanding of growth regulation and indicate that growth plate chondrogenesis, and therefore linear growth, is governed by a large number of genes important for different signaling pathways and cellular functions, including genetic defects in hormonal regulation, paracrine signaling, cartilage matrix, and fundamental cellular processes. In addition, mutations in the same gene can cause a wide phenotypic spectrum depending on the severity and mode of inheritance of the mutation.

  • 46.
    Angelhoff, Charlotte
    Linköping University, Department of Social and Welfare Studies, Division of Nursing Science. Linköping University, Faculty of Medicine and Health Sciences.
    What about the parents?: Sleep quality, mood, saliva cortisol response and sense of coherence in parents with a child admitted to pediatric care2017Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    Parents experience many stressful situations when their child is ill and needs medical care, irrespective of the child’s age, diagnosis or the severity of the illness. Poor sleep quality and negative mood decrease the parents’ ability to sustain attention and focus, to care for their ill child, and to cope with the challenges they face.

    The overall aim of this thesis was to evaluate sleep, mood, cortisol response, and sense of coherence (SOC) in parents caring for children in need of medical care, and to identify factors that may influence parents’ sleep.

    This thesis includes four original studies; two of these are quantitative, prospective, descriptive and comparative studies including parents (n=82) accommodated in six pediatric wards with their ill child, using questionnaires and sleep logs to measure sleep, mood and SOC, and saliva cortisol to measure cortisol response. A follow-up was performed four weeks later at home, after hospital discharge. The other two studies are qualitative, inductive and explorative interview studies, including parents (n=12) staying overnight with their preterm and/or ill infant in three neonatal intensive care units, and parents (n=15) with a child receiving hospital-based home care in two pediatric outpatient clinics. The interviews were analyzed with a phenomenographic method.

    Being together with one’s family seems beneficial for sleep and may decrease stress. The ability to stay with the child, in the hospital or at home, was highly appreciated by the parents. When caring for a child with illness, parents’ sleep quality was sufficient in the hospital; however, sleep quality improved further (p<0.05) at home after discharge. The parents reported frequent nocturnal awakenings in the hospital caused by the child, medical treatment and hospital staff. Concern and anxiety about the child’s health, and uncertainty about the future were stressors affecting the parents’ sleep and mood negatively. The parents had lower (p=0.01) morning awakening cortisol levels in the pediatric ward compared to at home, and parents accommodated for more than one night had lower (p<0.05) post-awakening cortisol levels compared to parents staying their first night.

    The findings of this thesis conclude that being together as a family is important for the parents’ sleep. The ability to be accommodated in the hospital and gather the family around the child may have given the parents time for relaxation and recovery, that in turn may lead to a less stressful hospital stay. When it is beneficial for the child, the whole family should be included in the pediatric care. Moreover, pediatric nurses must acknowledge parents’ sleep, in hospital and at home. Medical treatment and care at night should be scheduled and sleep promoted for the parents in order to maintain health and well-being in the family.

  • 47.
    Angsten, Gertrud
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Paediatric Surgery.
    Danielson, Johan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Paediatric Surgery.
    Kassa, Ann-Marie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Paediatric Surgery.
    Lilja, Helene Engstrand
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Paediatric Surgery.
    Outcome of laparoscopic versus open gastrostomy in children2015In: Pediatric surgery international (Print), ISSN 0179-0358, E-ISSN 1437-9813, Vol. 31, no 11, 1067-1072 p.Article in journal (Refereed)
    Abstract [en]

    Laparoscopic gastrostomy (LAPG) has gained popularity in children. The aim of this study was to compare the outcome of LAPG versus open gastrostomy (OG) in children with focus on complications, operative times and postoperative length of stay. Retrospective study of children who had gastrostomies inserted at our tertiary Pediatric Surgery Center from 2000 until 2013. The indications for a gastrostomy were an anticipated need for enteral support for at least 6 months. Totally 243 children were included in the study, 83 with LAPG and 160 with OG. We found a significant difference in postoperative length of stay, 3 days in the LAPG group versus 4 days in the OG group but no difference in a sub-group analysis from 2010 to 2013 when both techniques were used. There was no difference in median operative time or complications rates. Granuloma was the dominating complication in both groups. These two feeding-access techniques are comparable regarding complications, operative times and postoperative length of stay. The choice of surgical method should be individualized based on the patient's characteristics and the experience of the surgeon. The favorable results with LAPG in adults are not necessarily transferable to children since there are physiological and anatomical differences.

  • 48.
    Angsten, Gertrud
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Paediatric Surgery.
    Finkel, Yigael
    Lucas, Steven
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics.
    Kassa, Ann-Marie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Paediatric Surgery.
    Paulsson, Mattias
    Engstrand Lilja, Helene
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Paediatric Surgery.
    Improved outcome in neonatal short bowel syndrome using parenteral fish oil in combination With ω-6/9 Lipid Emulsions2012In: JPEN - Journal of Parenteral and Enteral Nutrition, ISSN 0148-6071, E-ISSN 1941-2444, Vol. 36, no 5, 587-595 p.Article in journal (Refereed)
    Abstract [en]

    Background:

    Newborn infants with short bowel syndrome (SBS) represent a high risk group of developing intestinal failure-associated liver disease (IFALD) which may be fatal. However, infants have a great capacity for intestinal growth and adaptation if IFALD can be prevented or reversed. A major contributing factor to IFALD may be the soybean oil-based intravenous lipid emulsions used since the introduction of parenteral nutrition (PN) 40 years ago.

    Methods:

    This retrospective study compares the outcome in 20 neonates with SBS treated with parenteral fish oil (Omegaven) in combination with omega-6/9 lipid emulsions (ClinOleic) with the outcome in a historical cohort of 18 patients with SBS who received a soybean oil-based intravenous lipid emulsion (Intralipid).

    Results:

    Median gestational age was 26 weeks in the treatment group and 35.5 weeks in the historical group. All patients were started on PN containing Intralipid that was switched to ClinOleic/Omegaven in the treatment group at a median age of 39 gestational weeks. In the treatment group, direct bilirubin levels were reversed in all 14 survivors with cholestasis (direct bilirubin >50 umol/). Median time to reversal was 2.9 months. Only 2 patients died of liver failure (10%).  In the historical cohort, 6 patients (33%) died of liver failure and only 2 patients showed normalization of bilirubin levels.

    Conclusions:

    Parenteral fish oil in combination with omega-6/9 lipid emulsions was associated with improved outcome in premature neonates with SBS. When used instead of traditional soybean-based emulsions, this mixed lipid emulsion may facilitate intestinal adaptation by increasing the IFALD-free period.

  • 49. Ankarberg-Lindgren, Carina
    et al.
    Kriström, Berit
    Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
    Norjavaara, Ensio
    Physiological Estrogen Replacement Therapy for Puberty Induction in Girls: A Clinical Observational Study2014In: Hormone Research in Paediatrics, ISSN 1663-2818, Vol. 81, no 4, 239-244 p.Article in journal (Refereed)
    Abstract [en]

    Background/Aim: The goal of estrogen replacement therapy (ERT) in girls with hypogonadism is to achieve the endocrine milieu similar to natural puberty, where transdermal administration is the most physiological route. The aim of the study was to evaluate guidelines for the induction of puberty with transdermal estradiol (E-2) patches in a large outpatient setting. Methods: In a retrospective study, serum E-2 levels from 18 clinics were analyzed at the Goteborg Pediatric Growth Research Center laboratory, as part of the initiation of ERT in girls with hypogonadism. Exclusion criteria were pubertas tarda and pubertal arrest. Eighty-eight observations (50 with Turner syndrome, TS) were included. Serum E-2 levels were determined by extraction + radioimmunoassay (detection limit 4 pmol/l) and analyzed in relation to the dose of Evorel (R) (25 mu g/24 h, containing 1.60 mg estradiol hemihydrate; Janssen-Cilag Pharmaceutica N.V., Beerse, Belgium). Results: There was a linear relationship between serum E-2 and the weight-based dose, with r = 0.56, p < 0.0001 for all observations and r = 0.59, p < 0.0001 for the TS study group. Linear regression analysis for doses of 0.05-0.07 mu g/kg resulted in serum levels of 17-23 pmol/l (TS 17-24 pmol/l) and doses of 0.08-0.12 mu g/kg in 26-39 pmol/l (TS 27-39 pmol/l). Conclusions: For the initiation of ERT with nocturnally administered E-2 patches, we recommend reduced starting doses of 0.05-0.07 mu g/kg, with the goal of mimicking E-2 levels during gonadarche. In older girls, when breast development is of high priority, the starting dose can still be 0.08-0.12 mu g/kg. (C) 2014 S. Karger AG, Basel

  • 50.
    Arnell, Kai
    et al.
    Department of Paediatric Surgery, University Hospital, Uppsala.
    Koskinen, Lars-Owe D
    Umeå University, Faculty of Medicine, Department of Pharmacology and Clinical Neuroscience, Neurosurgery.
    Malm, Jan
    Umeå University, Faculty of Medicine, Department of Pharmacology and Clinical Neuroscience, Neurology.
    Eklund, Anders
    Evaluation of Strata NSC and Codman Hakim adjustable cerebrospinal fluid shunts and their corresponding antisiphon devices: laboratory investigation2009In: Journal of Neurosurgery: Pediatrics, ISSN 1933-0707, E-ISSN 1933-0715, Vol. 3, no 3, 166-172 p.Article in journal (Refereed)
    Abstract [en]

    OBJECT: The authors investigated and compared the in vitro characteristics of 2 CSF shunts, the Strata NSC and the Codman Hakim, and their corresponding antisiphon devices (ASDs).

    METHODS: Six new CSF shunts and the corresponding ASDs for each model were tested in an automated, computerized experimental setup based on pressure regulation. Opening pressure accuracy, resistance, sensitivity to abdominal pressure, antisiphon effect, and the influence of different ASD positions were determined.

    RESULTS: In general the shunts performed according to the manufacturers' specifications. However, at the lowest setting, the opening pressure of the Strata NSC was close to 0, and in the Codman Hakim shunt, it was higher than specified. The resistance in the Codman Hakim shunt (5.4 mm Hg/ml/min) was much higher than that in the Strata NSC (3.6 mm Hg/ml/min). Abdominal pressure affected opening pressure in both valves. Positioning the Strata ASD above or below the ventricular catheter tip resulted in higher and lower opening pressures, respectively, than when it was placed in line with the catheter. The positioning of the Codman Hakim ASD did not influence the opening pressure.

    CONCLUSIONS: Both CSF shunts work properly, but at the lowest setting the opening pressure of the Strata NSC was near 0 and in the Codman Hakim it was twice the manufacturer's specifications. The resistance in the Strata NSC was below the normal physiological range, and in the Codman Hakim device it was in the lower range of normal. The ASD did not change the shunt characteristics in the lying position and therefore might not do so in children. If this is the case, then a shunt system with an integrated ASD could be implanted at the first shunt insertion, thus avoiding a second operation and the possibility of infection.

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