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Filtar som preventiv åtgärd mot iatrogen hypotermi: -En litteraturstudie
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences.
2017 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Bakgrund: Hypotermi, låg kroppstemperatur, i samband med operation är ett vanligt förekommande problem. För patienten medför hypotermi ett flertal fysiologiska konsekvenser, men kan även bidra till ett försämrat välbefinnande. För att förebygga hypotermi i samband med operation kan passiva och aktiva uppvärmningsmetoder vidtas.

Syfte: Syftet med litteraturstudien var att undersöka vilka aktiva och passiva filtar som förebyggde iatrogen hypotermi och medföljande shivering.

Metod: Studien gjordes som en litteraturstudie efter sökningar i databaserna PubMed och Cinahl.  Elva randomiserade kontrollerade studier och en kvasiexperimentell studie inkluderades.

Resultat: Forced air warming, FAW, var mer effektiv i att öka kärntemperaturen och bevara normotermi postoperativt. FAW var också den mest effektiva uppvärmningsmetod i att minska intensiteten av shivering. Litteraturstudien visar motstridiga resultat om vilken uppvärmningsmetod som var mest effektiv i det intraoperativa skedet. Det fanns ingen signifikant skillnad mellan de olika uppvärmningsmetoderna i att minska incidensen av shivering.

Slutsats: Att motverka iatrogen hypotermi är en väsentlig del för patientens välbefinnande. Forced air warming, FAW, var mer effektiv att förebygga hypotermi och minska intensiteten av shivering. Det fanns däremot ingen signifikant skillnad mellan de olika uppvärmningsmetoderna i det intraoperativa skedet eller i att minska incidensen av shivering. Dock är litteraturstudiens omfång begränsad och det krävs därför mer omfattande studier för att uppdatera kunskapsläget och ge patienten den mest lämpade vården. 

Abstract [en]

Background: Hypothermia, low body temperature, is a common problem associated with surgery. For the patient, hypothermia involves a high frequency of physiological consequences, but may also contribute to a reduced wellbeing. In order to prevent iatrogen hypothermia - that is to say hypothermia associated with surgery, passive and active rewarming systems can be used.

Aim: The aim of the litterature study was to investigate which rewarming system of active and passive blankets that prevent iatrogen hypothermia with supplied shivering.

Method: The study was made as a literature study after a research on the databases PubMed and Cinahl. Eleven randomized controlled studies and a quasi-experimental study were included.

Results: Forced air warming, FAW, was the most effective rewarming system in raising the core temperature and maintaining normothermia in postoperative patients. FAW was also the most effective rewarming method in decreasing the intensity of shivering. The literature study also showed contradictory results regarding which rewarming system that was most efficient during surgery. There were no significant differences between the rewarming systems in preventing the incidence of shivering.

Conclusions: Preventing hypothermia is an essential part for the patient’s wellbeing. FAW were the rewarming systems that were most efficient in preventing hypothermia and decreasing the intensity of shivering. In contrast, there were no significant differences between the rewarming systems during surgery, nor regarding decreased incidence of shivering. However the range of the literature study is limited and therefore more extensive studies are required to update the state of knowledge to be able to give the most adequate care for the patient. 

Place, publisher, year, edition, pages
2017. , p. 30
Keywords [en]
hypothermia, blanket, heat blanket, postoperative, rewarming
Keywords [sv]
hypotermi, filt, värmefilt, postoperativ, rewarming
National Category
Nursing
Identifiers
URN: urn:nbn:se:uu:diva-326135OAI: oai:DiVA.org:uu-326135DiVA, id: diva2:1118939
Educational program
Registered Nurse Programme
Supervisors
Examiners
Available from: 2017-07-05 Created: 2017-07-03 Last updated: 2017-07-05Bibliographically approved

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