Comparing Methods to Prevent Hypothermia
Author Information
Author(s): Thomassen Øyvind, Færevik Hilde, Østerås Øyvind, Sunde Geir Arne, Zakariassen Erik, Sandsund Mariann, Heltne Jon Kenneth, Brattebø Guttorm
Primary Institution: Haukeland University Hospital
Hypothesis
A combination of a vapour-tight layer and a dry insulating layer (Hibler's method) is the most efficient in preventing hypothermia when subjects are wearing wet clothing.
Conclusion
Hibler's method is the most effective way to prevent heat loss in wet patients at risk of hypothermia.
Supporting Evidence
- Hibler's method resulted in significantly higher skin temperatures compared to bubble wrap and ambulance blankets.
- Subjects reported more discomfort and shivering when wrapped in bubble wrap.
- The study was conducted under controlled laboratory conditions to mimic prehospital environments.
Takeaway
This study tested different ways to keep people warm when they're wet and cold. It found that one special method works best to keep them warm.
Methodology
Eight volunteers were wrapped in three different insulation methods and their temperatures and comfort levels were measured in a cold environment.
Potential Biases
Participants were not blinded, which could influence subjective comfort ratings.
Limitations
The study involved only healthy male volunteers, which may not represent all patient demographics.
Participant Demographics
Eight healthy, non-smoking male volunteers, average age 26.3 years.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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