What Researchers Did
Doctors reported on three mountaineers who developed frostbite to their fingers while climbing Denali in Alaska in 2021, and described the range of treatments used including HBOT.
What They Found
All three men had finger frostbite injuries of varying severity. Treatments included thrombolysis (clot-dissolving drugs), pentoxifylline, regional sympathetic nerve blocks, and HBOT, used in different combinations. One patient required emergency medical evacuation from the mountain. All patients had outcomes documented, with frostbite treatment in this population benefiting from multimodal care.
What This Means for Canadian Patients
Frostbite is a real risk for Canadians in northern communities, outdoor workers, and winter athletes. HBOT is one tool in the frostbite treatment toolkit, typically used alongside other therapies. Canadians who experience severe frostbite should seek care at a centre with access to multiple treatment modalities including HBOT.
Canadian Relevance
No direct Canadian connection identified. However, frostbite is highly relevant in Canada given the climate, and outdoor workers in northern provinces face significant risk each winter.
Study Limitations
Only 3 patients are described, and different treatment combinations were used for each, making it impossible to isolate HBOT's specific contribution to outcomes.