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  • 1.
    Aagaard, Knut E.
    et al.
    Helsingborg Hosp, Sweden; Lund Univ, Sweden.
    Björnsson, Hanna
    Linköpings universitet, Institutionen för biomedicinska och kliniska vetenskaper, Avdelningen för kirurgi, ortopedi och onkologi. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Lunsjö, Karl
    Helsingborg Hosp, Sweden.
    Frobell, Richard
    Lund Univ, Sweden.
    No differences in histopathological degenerative changes found in acute, trauma-related rotator cuff tears compared with chronic, nontraumatic tears2022Ingår i: Knee Surgery, Sports Traumatology, Arthroscopy, ISSN 0942-2056, E-ISSN 1433-7347, Vol. 30, nr 7, s. 2521-2527Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Purpose Acute trauma-related rotator cuff tears are believed to have better healing potential than chronic tears due to less degenerative changes of the tendons. However, the histopathological condition of tendons from trauma-related tears is not well investigated. The purpose of this study was to explore specific histopathological features in tendons from acute trauma-related full-thickness rotator cuff tears and to compare them to findings in tendons from nontraumatic, chronic tears. Methods In a prospective cohort study, 62 previously asymptomatic patients [14 women, median age 61 years (range 42-75)] with trauma-related full-thickness rotator cuff tears were consecutively included. Arthroscopic repair was performed within 30 (median, IQR 25-37) days after the injury. During surgery, tissue biopsies were harvested from the supraspinatus tendons in 53 (86%) of the patients. In addition, similar biopsies were harvested from 10 patients undergoing surgery for chronic tears without history of trauma. All tissue samples were examined by a well-experienced pathologist under light microscope. Tendon degeneration was determined using the Bonar score whereas immunostaining was used for proliferation (Ki67), inflammation (CD45), apoptosis (p53) and haemosiderin staining to study traces of bleeding. Results The median (IQR) Bonar score for the acute trauma-related biopsies was 10.5 (7.5-14.5) compared to 11 (5-12.8) for the control group with no statistically significant difference between the groups. No statistically significant between-group difference was found for the inflammatory index whereas tendons from patients with trauma-related full-thickness rotator cuff tears had statistically significantly higher apoptosis [3.1 (0.5-8.9) vs. 0.1 (0-1.5), p = 0.003] and proliferation [4.0 (1.8-6.9) vs. 0.4 (0-2.0), p = 0.001) indices than those undergoing surgery for chronic tears. Positive haemosiderin staining was found in 34% of tissue samples from patients with trauma-related tears compared to 10% in the control group (n.s). Conclusion This study suggests that there is no difference with regard to degenerative changes between supraspinatus tendons harvested from patients with acute, trauma-related rotator cuff tears and patients with nontraumatic, chronic tears.

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  • 2.
    Andersson, Manne
    et al.
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för kliniska vetenskaper. Linköpings universitet, Hälsouniversitetet. County Hospital Ryhov, Jönköping, Sweden .
    Rubér, Marie
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för mikrobiologi och molekylär medicin. Linköpings universitet, Hälsouniversitetet.
    Ekerfelt, Christina
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för inflammationsmedicin. Linköpings universitet, Hälsouniversitetet.
    Björnsson, Hanna
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för kliniska vetenskaper. Linköpings universitet, Hälsouniversitetet.
    Olaison, Gunnar
    University of Copenhagen, Denmark.
    Andersson, Roland
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för kliniska vetenskaper. Linköpings universitet, Hälsouniversitetet. County Hospital Ryhov, Jönköping, Sweden.
    Can New Inflammatory Markers Improve the Diagnosis of Acute Appendicitis?2014Ingår i: World Journal of Surgery, ISSN 0364-2313, E-ISSN 1432-2323, Vol. 38, nr 11, s. 2777-2783Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The diagnosis of appendicitis is difficult and resource consuming. New inflammatory markers have been proposed for the diagnosis of appendicitis, but their utility in combination with traditional diagnostic variables has not been tested. Our objective is to explore the potential of new inflammatory markers for improving the diagnosis of appendicitis. The diagnostic properties of the six most promising out of 21 new inflammatory markers (interleukin [IL]-6, chemokine ligand [CXCL]-8, chemokine C-C motif ligand [CCL]-2, serum amyloid A [SAA], matrix metalloproteinase [MMP]-9, and myeloperoxidase [MPO]) were compared with traditional diagnostic variables included in the Appendicitis Inflammatory Response (AIR) score (right iliac fossa pain, vomiting, rebound tenderness, guarding, white blood cell [WBC] count, proportion neutrophils, C-reactive protein and body temperature) in 432 patients with suspected appendicitis by uni- and multivariable regression models. Of the new inflammatory variables, SAA, MPO, and MMP9 were the strongest discriminators for all appendicitis (receiver operating characteristics [ROC] 0.71) and SAA was the strongest discriminator for advanced appendicitis (ROC 0.80) compared with defence or rebound tenderness, which were the strongest traditional discriminators for all appendicitis (ROC 0.84) and the WBC count for advanced appendicitis (ROC 0.89). CCL2 was the strongest independent discriminator beside the AIR score variables in a multivariable model. The AIR score had an ROC area of 0.91 and could correctly classify 58.3 % of the patients, with an accuracy of 92.9 %. This was not improved by inclusion of the new inflammatory markers. The conventional diagnostic variables for appendicitis, as combined in the AIR score, is an efficient screening instrument for classifying patients as low-, indeterminate-, or high-risk for appendicitis. The addition of the new inflammatory variables did not improve diagnostic performance further.

  • 3.
    Björnsson Hallgren, Hanna Cecilia
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Ortopedi. Linköpings universitet, Hälsouniversitetet.
    Treatment of subacromial pain and rotator cuff tears2012Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [en]

    Shoulder pain is very common, affecting 14-21 % of the population at some time during their lifetime. The aims of this thesis were to improve the understanding of various aspects concerning the pathogenesis and treatment of subacromial pain and rotator cuff tears. Patients and healthy individuals were examined and compared in five studies:

    Study I) Seventy patients were retrospectively examined, clinically and with ultrasound, 15 years after arthroscopic subacromial decompression. All patients had an intact rotator cuff at surgery. Ultrasound showed significantly fewer rotator cuff tears compared to the prevalence of asymptomatic tears reported in the literature for the same age group. This indicates that arthroscopic subacromial decompression might protect the rotator cuff.

    Study II) Forty-two patients were retrospectively examined, clinically and with ultrasound, 39 months (mean) after an acute rotator cuff repair. All patients had pseudoparalysis after trauma, a full thickness tear and no previous history of shoulder symptoms. A delay in surgical treatment of three months and the number of tendons injured did not affect the outcome. Age affected outcome negatively.

    Study III) Plasma samples from 17 patients with cuff tears and 16 plasma samples from healthy age- and gender-matched controls were collected and analysed regarding the levels of matrix metalloproteinases and their inhibitors, TIMP1-4. Elevated levels of TIMP-1 were found in the patients with cuff tears compared to controls. Higher levels of TIMP-1, TIMP-3 and MMP-9 were found in patients with full-thickness tears compared to patients with partial-thickness tears.

    Study IV) Ninety-seven patients with longstanding subacromial pain, on the waiting-list for arthroscopic subacromial decompression, were prospectively randomised to specific shoulder exercises or control exercises for three months. Thereafter they were clinically examined and asked if they still wanted surgery. The specific shoulder exercises focusing on eccentric exercise for the rotator cuff and scapula stabilisers were found to be effective in reducing subacromial pain and improving shoulder function, thereby reducing the need for surgery.

    Study V) All patients including those operated, in Study IV were re-examined after one year using clinical assessment scores. The option of surgery was continuously available up to the one-year follow-up. Ultrasound and radiological examinations performed at inclusion were analysed in relation to the choice of surgery. The positive effects of the specific exercise programme were maintained after one year and significantly fewer patients in this group chose surgery. Surgery was significantly more often chosen by patients who had a low baseline shoulder score, and/or a full thickness rotator cuff tear.  All patients showed significant improvement in the clinical scores one year after inclusion or one year after surgery.

    These results support the concept that subacromial pain has a multifactorial aetiology and that the first line of treatment should be specific shoulder exercises. When conservative treatment fails, an acceptable result can be achieved with arthroscopic subacromial decompression. The rotator cuff status is important to consider when treating and studying these patients.

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  • 4.
    Björnsson Hallgren, Hanna Cecilia
    et al.
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Ortopedi. Linköpings universitet, Hälsouniversitetet.
    Eliasson, Pernilla T
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Ortopedi. Linköpings universitet, Hälsouniversitetet.
    Aspenberg, Per
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Ortopedi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Adolfsson, Lars
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Ortopedi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Elevated plasma levels of TIMP-1 in patients with rotator cuff tear2012Ingår i: Acta Orthopaedica, ISSN 1745-3674, E-ISSN 1745-3682, Vol. 83, nr 5, s. 523-528Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background and purpose:Extracellular matrix remodelling is altered in rotator cuff tears,16partly due to altered expression of matrix metalloproteinases (MMPs) and their inhibitors. It is unclear if this altered expression can be traced as changes in plasma protein levels.

    The purposes were to measure the plasma level of MMPs and their tissue inhibitors (TIMPs) inpatients with rotator cuff tears and to relate changes in the pattern of MMP and TIMP levels with the extent of the rotator cuff tear.

    Methods: Blood samples were collected from 17 patients, median 61 (range 39-77) years, with sonographically verified rotator cuff tears (partial- or full-thickness). These were compared with 16 gender and age matched control persons with sonographically intact rotator cuffs. Plasma levels of MMPs and TIMPs were measured simultaneously using Luminex technology and ELISA.

    Results: The plasma level of TIMP-1 was elevated in patients with rotator cuff tears, especially in those with full-thickness tears. The levels of TIMP-1, TIMP-3 and MMP-9 were higher in patients with full-thickness tears compared to those with partial-thickness tears, but only TIMP-1 was different from controls.

    Interpretation: The observed elevation of TIMP-1 in plasma might reflect local pathological processes in or around the rotator cuff, or a genetic predisposition in these patients. That levels of TIMP-1 and certain MMP´s was found to differ between partial and full thickness tears may reflect the extent of the lesion or different aetiology and pathomechanisms.

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  • 5.
    Björnsson Hallgren, Hanna
    et al.
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Ortopedi. Linköpings universitet, Hälsouniversitetet.
    Holmgren, Theresa
    Linköpings universitet, Institutionen för medicin och hälsa, Sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Öberg, Birgitta
    Linköpings universitet, Institutionen för medicin och hälsa, Sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Johansson, Kajsa
    Linköpings universitet, Institutionen för medicin och hälsa, Sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Adolfsson, Lars
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Ortopedi. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    A specific exercise strategy for patients with subacromial pain significantly reduced the need for surgery: one-year results of a randomised controlled studyManuskript (preprint) (Övrigt vetenskapligt)
    Abstract [en]

    Background: A specific exercise strategy focusing on eccentric exercises, for treating sbacromial pain has in a previous study been found effective at three-month followup.

    The aim of the present study was to investigate if the positive short-term results were maintained after one year. A further aim was to examine if baseline clinical score, rotator cuff status and radiological findings influenced the choice of surgery.

    Methods: 97 patients on the waiting-list for arthroscopic subacromial decompression were in the first study randomized to a three-month specific exercise strategy or unspecific exercises (controls). Patients were examined with radiology, ultrasound and assessed with clinical scores: primary Constant-Murley score. After three months of exercises the patients were asked if they still wanted surgery and this option was available until the one-year follow-up. All patients were re-assessed with clinical scores one year after inclusion or one year after surgical intervention and the number of patients that had chosen surgery in each group was compared. The baseline Constant-Murley score and the status of subacromial structures were analyzed in relation to patient's choice of surgery.

    Results: The positive short-term effect (improved shoulder function and pain) of the specific exercises was maintained after one-year. Compared to the three-month followup all patients had improved significantly (p < 0.0001) in Constant-Murley score. The number of patients that had chosen surgery in the control exercise group (63%) was significantly larger (p < 0.0001) than in the specific exercise group (24%). Patients that had chosen surgery had a significantly lower baseline Constant-Murley score and significantly more often a full-thickness tear. Patients with partial-thickness tears did not differ from those with intact cuff tendons.

    Conclusions: The positive short-term outcomes after specific exercises were maintained after one year and reduced the need of surgery significantly more than the unspecific control exercises. Patients with low baseline clinical score and/or a full-thickness tear significantly more often chose surgery.

    Level of evidence: I, Randomized controlled trail according to Consort statement.

  • 6.
    Björnsson Hallgren, Hanna
    et al.
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för inflammationsmedicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Holmgren, Theresa
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Öberg, Birgitta
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Johansson, Kajsa
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Adolfsson, Lars
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för kliniska vetenskaper. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    A specific exercise strategy reduced the need for surgery in subacromial pain patients2014Ingår i: British Journal of Sports Medicine, ISSN 0306-3674, E-ISSN 1473-0480, Vol. 48, nr 19, s. 1431-1436Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background and purpose A programme based on eccentric exercises for treating subacromial pain was in a previous study found effective at 3-month follow-up. The purposes of the present study were to investigate whether the results were maintained after 1 year and whether the baseline Constant-Murley score, rotator cuff status and radiological findings influenced the outcome. Patients and methods 97 patients on the waiting list for arthroscopic subacromial decompression had been randomised to a specific exercise programme or unspecific exercises (controls). After 3 months of exercises, the patients were asked whether they still wanted surgery and this option was available until a 1-year follow-up. 1 year after inclusion or 1 year after surgery, the number of patients who decided to have surgery in each group was compared. The choice of surgery was related to the baseline Constant-Murley score, ultrasound and radiographs taken at inclusion. Results All patients had improved significantly (pless than0.0001) in the Constant-Murley score at the 1-year follow-up. Significantly more patients in the control group decided to have surgery (63%) than those in the specific exercise group (24%; pless than0.0001). Patients who decided to have surgery had a significantly lower baseline Constant-Murley score and more often a full-thickness tear. Patients with partial tears did not differ from those with intact tendons. Interpretation The positive short-term results of specific exercises were maintained after 1 year, and this exercise strategy reduces the need for surgery. Full-thickness tear and a low baseline Constant-Murley score appear to be a predictive marker for a less good outcome.

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  • 7.
    Björnsson, Hanna
    et al.
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Ortopedi. Linköpings universitet, Hälsouniversitetet.
    Norlin, Rolf
    Orebro University Hospital.
    Johansson, Kajsa
    Linköpings universitet, Institutionen för medicin och hälsa, Sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Adolfsson, Lars
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Ortopedi och idrottsmedicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    The influence of age, delay of repair, and tendon involvement in acute rotator cuff tears Structural and clinical outcomes after repair of 42 shoulders2011Ingår i: Acta Orthopaedica, ISSN 1745-3674, E-ISSN 1745-3682, Vol. 82, nr 2, s. 187-192Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background and purpose Few authors have considered the outcome after acute traumatic rotator cuff tears in previously asymptomatic patients. We investigated whether delay of surgery, age at repair, and the number of cuff tendons involved affect the structural and clinical outcome. Patients and methods 42 patients with pseudoparalysis after trauma and no previous history of shoulder symptoms were included. A full-thickness tear in at least 1 of the rotator cuff tendons was diagnosed in all patients. Mean time to surgery was 38 (6-91) days. Follow-up at a mean of 39 (12-108) months after surgery included ultrasound, plain radiographs, Constant-Murley score, DASH score, and western Ontario rotator cuff (WORC) score. Results At follow-up, 4 patients had a full-thickness tear and 9 had a partial-thickness tear in the repaired shoulder. No correlation between the structural or clinical outcome and the time to repair within 3 months was found. The patients with a tendon defect at follow-up had a statistically significantly lower Constant-Murley score and WORC index in the injured shoulder and were significantly older than those with intact tendons. The outcomes were similar irrespective of the number of tendons repaired. Interpretation A delay of 3 months to repair had no effect on outcome. The patients with cuff defects at follow-up were older and they had a worse clinical outcome. Multi-tendon injury did not generate worse outcomes than single-tendon tears at follow-up.

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  • 8.
    Björnsson, Hanna
    et al.
    Linköpings universitet, Institutionen för klinisk och experimentell medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Ortopedicentrum, Ortopedkliniken Linköping.
    Norlin, Rolf
    Örebro University Hospital.
    Knutsson, Anders
    Östergötlands Läns Landsting, Bildmedicinskt centrum, Röntgenkliniken i Linköping.
    Adolfsson, Lars
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Ortopedi och idrottsmedicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Ortopedicentrum, Ortopedkliniken Linköping.
    Fewer rotator cuff tears fifteen years after arthroscopic subacromial decompression2010Ingår i: Journal of shoulder and elbow surgery, ISSN 1058-2746, E-ISSN 1532-6500, Vol. 19, nr 1, s. 111-115Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: A successful clinical result is reported in 75% to 85% of impingement patients after arthroscopic subacromial decompression. The result is maintained over time, but few studies have investigated the integrity of the rotator cuff in these patients. Materials and methods: Using ultrasonography, we examined the integrity of the rotator cuff in 70 patients 15 years after arthroscopic subacromial decompression. All patients had an intact rotator cuff at the index procedure. Results: Tendons were still intact in 57 patients (82%), 10 (14%) had partial-thickness tears, and 3 (4%) had full-thickness tears. Discussion: The total number of 18% tears (partial and full thickness) in this study, including patients clinically diagnosed with subacromial impingement at a mean age of 60 years, is unexpectedly low compared with 40% degenerative tears reported in asymptomatic adults of the same age. Conclusion: Arthroscopic subacromial decompression seems to reduce the prevalence of rotator cuff tears in impingement patients. This appears attributable to elimination of extrinsic factors such as mechanical wear and bursitis. The potential effect of surgery on intrinsic cuff degeneration is unknown, but intrinsic factors may explain tears still developing despite decompression.

  • 9.
    Ellinger, Frank
    et al.
    Linköpings universitet, Institutionen för biomedicinska och kliniska vetenskaper. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Tropp, Hans
    Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping. Linköpings universitet, Institutionen för biomedicinska och kliniska vetenskaper, Avdelningen för kirurgi, ortopedi och onkologi. Linköpings universitet, Centrum för medicinsk bildvetenskap och visualisering, CMIV.
    Gerdhem, Paul
    Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden; Department of Surgical Sciences, Uppsala University, Uppsala, Sweden; Department of Hand surgery and Orthopaedics, Uppsala University Hospital, Uppsala, Sweden.
    Björnsson Hallgren, Hanna
    Linköpings universitet, Institutionen för biomedicinska och kliniska vetenskaper, Avdelningen för kirurgi, ortopedi och onkologi. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Ivars, Katrin
    Linköpings universitet, Medicinska fakulteten. Linköpings universitet, Institutionen för biomedicinska och kliniska vetenskaper, Avdelningen för kirurgi, ortopedi och onkologi. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping. Uppsala University Hospital, Uppsala, Sweden.
    Magnetically controlled growing rod treatment for early-onset scoliosis: analysis of 52 consecutive cases demonstrates improvement of coronal deformity2023Ingår i: Journal of spine surgery (Hong Kong), ISSN 2414-4630, Vol. 9, nr 3, s. 259-268Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: The purpose of this study was to report the radiographic results and complications of magnetically controlled growing rod (MCGR) treatment in patients with early-onset scoliosis (EOS).

    Methods: Patient records and radiographs from a consecutive series of patients treated with MCGR for EOS at two Swedish institutions were reviewed retrospectively. Radiographic analysis included Cobb angle, T1-T12 height, T1-S1 height, thoracic kyphosis, and lung height. Subgroup analyses were performed on primary versus conversion cases and single versus dual rods using one-way analysis of variance (ANOVA) and independent samples t-test.

    Results: Fifty-two cases treated with MCGR (24 single rods, 28 dual rods) were included from local surgical records into this cohort study, 32 primary and 20 converted from other growth friendly surgical treatment. Mean age at MCGR implantation was 7.4 (2.0-14.6) years old in the primary group and 9.3 (5.0-16.1) years old in the converted group. Mean follow-up time was 3.7 (2.0-7.6) years. Mean (standard deviation; SD) Cobb angle of the major curve changed from 62° (17°) preoperatively to 42° (16°) postoperatively to 46° (18°) at final follow-up (P<0.001). Mean (SD) overall thoracic kyphosis changed from 41° (19°) preoperatively to 32° (14°) postoperatively to 39° (17°) at final follow-up (P=0.018). Mean T1-T12 height was 177 mm (34 mm) preoperatively, 183 mm (35 mm) immediate postoperative and 199 mm (35 mm) at final follow-up (P=0.047). The mean T1-T12 height increased significantly in the primary group but not in the converted group. The number of surgeries was 114 (78 planned, 36 unplanned). The rate of unplanned surgeries did not differ significantly between single and dual rods. The total number of complications was 70 of which 38 were implant related. The overall mean complication rate was 1.4 (0-4). There were no significant differences in complication rates between subgroups.

    Conclusions: MCGR treatment enabled and maintained correction of spinal deformity while allowing spinal growth. There were no significant differences in complication rates or unplanned surgeries between the groups treated with single or dual rods.

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  • 10.
    Holmgren, Theresa
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Björnsson Hallgren, Hanna
    Linköpings universitet, Institutionen för klinisk och experimentell medicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Öberg, Birgitta
    Linköpings universitet, Institutionen för medicin och hälsa, Sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Adolfsson, Lars
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Ortopedi och idrottsmedicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Johansson, Kajsa
    Linköpings universitet, Institutionen för medicin och hälsa, Sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Effect of specific exercise strategy on need for surgery in patients with subacromial impingement syndrome: randomised controlled study2012Ingår i: BMJ. British Medical Journal, ISSN 0959-8146, E-ISSN 0959-535X, Vol. 344, s. e787-Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    OBJECTIVE: To evaluate if a specific exercise strategy, targeting the rotator cuff and scapula stabilisers, improves shoulder function and pain more than unspecific exercises in patients with subacromial impingement syndrome, thereby decreasing the need for arthroscopic subacromial decompression.

    DESIGN: Randomised, participant and single assessor blinded, controlled study.

    SETTING: Department of orthopaedics in a Swedish university hospital.

    PARTICIPANTS: 102 patients with long standing (over six months) persistent subacromial impingement syndrome in whom earlier conservative treatment had failed, recruited through orthopaedic specialists.

    INTERVENTIONS: The specific exercise strategy consisted of strengthening eccentric exercises for the rotator cuff and concentric/eccentric exercises for the scapula stabilisers in combination with manual mobilisation. The control exercise programme consisted of unspecific movement exercises for the neck and shoulder. Patients in both groups received five to six individual guided treatment sessions during 12 weeks. In between these supervised sessions the participants performed home exercises once or twice a day for 12 weeks.

    MAIN OUTCOME MEASURES: The primary outcome was the Constant-Murley shoulder assessment score evaluating shoulder function and pain. Secondary outcomes were patients' global impression of change because of treatment and decision regarding surgery.

    RESULTS: Most (97, 95%) participants completed the 12 week study. There was a significantly greater improvement in the Constant-Murley score in the specific exercise group than in the control exercise group (24 points (95% confidence interval 19 to 28.0) v 9 points (5 to 13); mean difference between group: 15 points (8.5 to 20.6)). Significantly more patients in the specific exercise group reported successful outcome (defined as large improvement or recovered) in the patients' global assessment of change because of treatment: 69% (35/51) v 24% (11/46); odds ratio 7.6, 3.1 to 18.9; P<0.001. A significantly lower proportion of patients in the specific exercise group subsequently chose to undergo surgery: 20% (10/51) v 63% (29/46); odds ratio 7.7, 3.1 to 19.4; P<0.001).

    CONCLUSION: A specific exercise strategy, focusing on strengthening eccentric exercises for the rotator cuff and concentric/eccentric exercises for the scapula stabilisers, is effective in reducing pain and improving shoulder function in patients with persistent subacromial impingement syndrome. By extension, this exercise strategy reduces the need for arthroscopic subacromial decompression within the three month timeframe used in the study.

    TRIAL REGISTRATION: Clinical trials NCT01037673.

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  • 11.
    Holmgren, Theresa
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Björnsson Hallgren, Hanna
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för inflammationsmedicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Öberg, Birgitta
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Adolfsson, Lars
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för kliniska vetenskaper. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Johansson, Kajsa
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Republished research: Effect of specific exercise strategy on need for surgery in patients with subacromial impingement syndrome: randomised controlled study2014Ingår i: British Journal of Sports Medicine, ISSN 0306-3674, E-ISSN 1473-0480, Vol. 48, nr 19, s. 1456-1457Artikel i tidskrift (Övrigt vetenskapligt)
    Abstract [en]

    STUDY QUESTION Can a specific exercise strategy improve shoulder function and pain in patients with subacromial impingement syndrome, thereby decreasing the need for arthroscopic subacromial decompression? SUMMARY ANSWER Compared with a control exercise group, patients in the specific exercise group had significantly greater improvements in shoulder function and pain and fewer patients needed surgery at the three month assessment. WHAT IS KNOWN AND WHAT THIS PAPER ADDS Different exercise programmes are used as first line treatment in patients with subacromial impingement syndrome, but conclusive evidence to support the efficacy for these programmes is lacking. This specific exercise strategy proved effective in improving shoulder function and pain in patients in whom earlier conservative treatment had failed.

  • 12.
    Holmgren, Theresa
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Björnsson Hallgren, Hanna
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för inflammationsmedicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Öberg, Birgitta
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Adolfsson, Lars
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för inflammationsmedicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Johansson, Kajsa
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Republished research: Effect of specific exercise strategy on need for surgery in patients with subacromial impingement syndrome: randomised controlled study2013Ingår i: British Journal of Sports Medicine, ISSN 0306-3674, E-ISSN 1473-0480, Vol. 47, nr 14, s. 908-908Artikel i tidskrift (Övrigt vetenskapligt)
    Abstract [en]

    Study question

    Can a specific exercise strategy improve shoulder function and pain in patients with subacromial impingement syndrome, thereby decreasing the need for arthroscopic subacromial decompression?

    Summary answer

    Compared with a control exercise group, patients in the specific exercise group had significantly greater improvements in shoulder function and pain and fewer patients needed surgery at the three month assessment.

    What is known and what this paper adds

    Different exercise programmes are used as first line treatment in patients with subacromial impingement syndrome, but conclusive evidence to support the efficacy for these programmes is lacking. This specific exercise strategy proved effective in improving shoulder function and pain in patients in whom earlier conservative treatment had failed.

  • 13.
    Jonsson, Eythor Ö
    et al.
    epartment of Orthopaedics, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Department of Orthopaedics, Sahlgrenska University Hospital, Mölndal, Sweden.
    Wänström, Johan
    Linköpings universitet, Institutionen för biomedicinska och kliniska vetenskaper, Avdelningen för kirurgi, ortopedi och onkologi. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Björnsson Hallgren, Hanna
    Linköpings universitet, Institutionen för biomedicinska och kliniska vetenskaper, Avdelningen för kirurgi, ortopedi och onkologi. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Adolfsson, Lars
    Linköpings universitet, Institutionen för biomedicinska och kliniska vetenskaper, Avdelningen för kirurgi, ortopedi och onkologi. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    The Oxford Elbow Score demonstrated good measurement properties when used with a shortened 7-day recall period2023Ingår i: JSES international, ISSN 2666-6383, Vol. 7, nr 3, s. 499-505Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The Oxford Elbow Score (OES) is a well-validated, elbow-specific, patient-reported outcome measure (PROM), originally assigned a 4-week recall period. For PROMs, short recall periods could have some advantages, such as optimizing validity by minimizing the negative effects of inaccurate recollection and temporal trends (increase or decrease) in symptoms over the course of the recall period. Temporal trends in elbow function can, for example, be expected to occur over 4 weeks in patients recovering from an injury or surgery. The purpose of this study was to evaluate the measurement properties of the OES using a shortened, 7-day, recall period (OES-7d).

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  • 14.
    Nicolescu, Dan
    et al.
    Linköpings universitet, Institutionen för biomedicinska och kliniska vetenskaper, Avdelningen för kirurgi, ortopedi och onkologi. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Adolfsson, Lars
    Linköpings universitet, Institutionen för biomedicinska och kliniska vetenskaper, Avdelningen för kirurgi, ortopedi och onkologi. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Björnsson Hallgren, Hanna
    Linköpings universitet, Institutionen för biomedicinska och kliniska vetenskaper, Avdelningen för kirurgi, ortopedi och onkologi. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Tuberculum majus-fraktur – inte alltid en benign skada: Viktigt att identifiera skadan, förstå skademekanismen och anpassa behandlingen till patientens funktionsnivå [Fractures of the greater tuberosity - An overview of diagnostics and treatment]2023Ingår i: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 120Artikel, forskningsöversikt (Refereegranskat)
    Abstract [sv]

    Tuberculum majus-frakturer utgör 14‒15 procent av alla registrerade proximala humerusfrakturer under ett år, enligt Svenska frakturregistret. En felbehandlad fraktur kan ge långvarig smärta och nedsatt axel­funktion [1]. Syftet med denna artikel är att beskriva relaterad anatomi och skademekanismer, sammanfatta befintlig litteratur på ämnet samt vägleda dia­gnostik och behandling.  

    Litteraturen om tuberculum majus-frakturer är begränsad, och optimal handläggning är inte välbeskriven. Frakturen förekommer isolerad, men ofta även i samband med främre axelluxation eller collum chir­urgicum-fraktur.

    Frakturen kan ibland vara svårdiagnostiserad, och hos patienter med oproportionerlig smärta trots till synes normal röntgen bör ytterligare utredning göras [2]. Oupptäckt och obehandlad fraktur hos unga och/eller idrottsaktiva kan leda till bestående subakromial smärta och nedsatt axelfunktion på grund av oläkt eller felläkt fraktur [1]. Det är därför viktigt att identifiera skadan, förstå skademekanismen och anpassa behandlingen till patientens funktionsnivå och funktionskrav.  

  • 15.
    Ryösä, A.
    et al.
    Department of Orthopaedics and Traumatology, Turku University Central Hospital, Turku, Finland.
    Kukkonen, J.
    Department of Surgery, Division of Orthopaedics and Traumatology, Satakunnan Keskussairaala, Pori, Finland.
    Björnsson, Hanna
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för Kirurgi, Ortopedi och Onkologi. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Moosmayer, S.
    Department of Orthopaedic Surgery, Martina Hansens Hospital, Sandvika, Norway.
    Holmgren, Theresa
    Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för fysioterapi. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Centrum för kirurgi, ortopedi och cancervård, Ortopedkliniken i Linköping.
    Ranebo, M.
    Lanssjukhuset Kalmar Ortopedkliniken, Kalmar, Sweden.
    Bøe, B.
    Division of Orthopaedic Surgery, Oslo Universitetssykehus Ulleval, Oslo, Norway.
    Äärimaa, V.
    Department of Orthopaedics and Traumatology, Turku University Central Hospital, Turku, Finland.
    Acute Cuff Tear Repair Trial (ACCURATE): Protocol for a multicentre, randomised, placebo-controlled trial on the efficacy of arthroscopic rotator cuff repair2019Ingår i: BMJ Open, E-ISSN 2044-6055, Vol. 9, nr 5, artikel-id e025022Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Introduction Rotator cuff tear is a very common and disabling condition that can be related to acute trauma. Rotator cuff tear surgery is a well-established form of treatment in acute rotator cuff tears. Despite its widespread use and almost a gold standard position, the efficacy of an arthroscopic rotator cuff repair is still unknown. The objective of this trial is to investigate the difference in outcome between arthroscopic rotator cuff repair and inspection of the shoulder joint defined as placebo surgery in patients 45–70 years of age with an acute rotator tear related to trauma.

    Methods and analysis Acute Cuff Tear Repair Trial (ACCURATE) is a randomised, placebo-controlled, multicentre efficacy trial with sample size of 180 patients. Concealed allocation is done in 1:1 ratio. The randomisation is stratified according to participating hospital, gender and baseline Western Ontario Rotator Cuff Index (WORC). Both groups receive the same standardised postoperative treatment and physiotherapy. The primary outcome measure is the change in WORC score from baseline to 2-year follow-up. Secondary outcome measures include Constant-Murley Score, the Numerical Rating Scale for pain, subjective patient satisfaction and the health-related quality of life instrument 15 dimensions (15D). Patients and outcome assessors are blinded from the allocated intervention. The primary analysis of results will be conducted according to intention-to-treat analysis.

    Ethics and dissemination The study protocol for this clinical trial has been approved by the Ethics Committee of the Hospital District of Southwest Finland and Regional Ethics Committee in Linköping Sweden and Regional Committees for Medical and Health Research Ethics South East in Norway. Every recruiting centre will apply local research approvals. The results of this study will be submitted for publication in peer-reviewed journals.

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