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High altitude cerebral and pulmonary edema
1Nepal International Clinic and Himalayan Rescue Association, Patan Hospital, Lal Durbar, GPO Box: 3596, Kathmandu, Nepal.
Travel Medicine and Infectious Disease
|February 13, 2007
Summary
Altitude illness, including acute mountain sickness (AMS), HACE, and HAPE, is a recognized condition. This review details its pathophysiology, clinical presentation, and prevention strategies, with a focus on HAPE.
Area of Science:
- Medical Science
- Physiology
- Environmental Health
Background:
- Altitude illness encompasses acute mountain sickness (AMS), high altitude cerebral edema (HACE), and high altitude pulmonary edema (HAPE).
- AMS and HACE are often viewed as a progression of the same condition.
- Recent research has yielded significant findings regarding HAPE's pathophysiology and prevention.
Purpose of the Study:
- To review historical facts, novel pathophysiological processes, and clinical aspects of altitude illness.
- To provide a detailed examination of HAPE, including recent advancements.
- To discuss newer aspects like dehydration as a risk factor, angiogenesis in cerebral edema, and vulnerable populations.
Main Methods:
- Literature review focusing on altitude illness, particularly HAPE.
- Synthesis of historical data, current research on pathophysiology, and clinical observations.
- Inclusion of treatment and prevention guidelines.
Main Results:
- Discussion of the continuum between AMS and HACE.
- Detailed exploration of HAPE pathophysiology and prevention.
- Consideration of dehydration, angiogenesis, and genetic factors in altitude sickness susceptibility.
Conclusions:
- Altitude illness is a complex condition requiring sophisticated diagnosis and management.
- Recent findings offer improved understanding and strategies for preventing and treating HAPE.
- Further research into genetic predispositions and novel risk factors is warranted.
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