Why the study?
Do Sherpas have different myocardial energetic profiles (PCr/ATP ratios) compared to lowlanders under normoxic and hypoxic conditions?
Population
6 Sherpas and 4 lowland subjects
Comparison
Exposure to normoxic and hypoxic conditions… vs Lowland subjects
Design
Cross-sectional
Follow-up
4 weeks
Authors
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Suggests metabolic adaptation in chronic hypoxia; hypothesis-generating and should not yet change clinical practice.
Do Sherpas have different myocardial energetic profiles (PCr/ATP ratios) compared to lowlanders under normoxic and hypoxic conditions?
Sherpas exhibit lower myocardial PCr/ATP ratios compared to lowlanders, suggesting a metabolic adaptation favoring glucose utilization to maintain cardiac energy needs under hypobaric hypoxia.
Hochachka et al. (1996) studied this question.
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