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Published on: March 3, 2021
Fatal hypothermia: an analysis from a sub-arctic region
Helge Brändström1, Anders Eriksson, Gordon Giesbrecht
1Department of Surgical and Perioperative Sciences, Anesthesia and Intensive Care Medicine, Umeå University, Umeå, Sweden. helge.brandstrom@vll.se
Fatal hypothermia affects 1.35 per 100,000 people annually, often occurring outdoors in rural areas during winter. Risk factors include alcohol use, psychiatric conditions, and living alone, suggesting targeted interventions are needed.
Area of Science:
- Forensic Medicine
- Public Health
- Environmental Health
Background:
- Fatal hypothermia is a significant public health concern, particularly in colder climates.
- Understanding incidence and contributing factors is crucial for effective prevention strategies.
Purpose of the Study:
- To determine the incidence of fatal hypothermia.
- To identify key contributing factors and high-risk populations.
Main Methods:
- Retrospective analysis of a forensic medicine database (1992-2008).
- Inclusion of police reports, medical records, and autopsy protocols for fatal hypothermia cases.
- Study focused on the four northernmost counties of Sweden.
Main Results:
- An annual incidence of 1.35 fatal hypothermia cases per 100,000 inhabitants was observed.
- Most cases (72%) occurred in rural areas, predominantly outdoors (93%) during colder months (October-March).
- Contributing factors included alcohol consumption (43%), paradoxical undressing (30%), and co-morbidities like heart disease, stroke, dementia, psychiatric illness, and trauma.
Conclusions:
- Identification of high-risk groups (rural, living alone, alcohol use, psychiatric diagnosis) enables targeted interventions.
- Preventive measures can be developed to reduce the incidence of fatal hypothermia.
- Public health initiatives should focus on vulnerable populations in cold environments.
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