Why the study?
Does systemic hypoxia alter arterial, venous, and interstitial potassium levels in dog skeletal muscle?
Population
Anesthetized dogs (constant-flow-perfused gracilis muscles)
Comparison
Systemic hypoxia vs Normoxia (control/postcontrol)
Design
Preclinical
Follow-up
Acute (minutes)
Authors
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No immediate clinical implications for hypoxia management; leaves open endothelial potassium release in muscle hypoxia.
Does systemic hypoxia alter arterial, venous, and interstitial potassium levels in dog skeletal muscle?
Systemic hypoxia elevates venous but not interstitial potassium in innervated dog skeletal muscle, suggesting potassium release originates from vascular endothelium rather than skeletal muscle cells.
Mo et al. (2005) studied this question.
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