Key result
Induced isometric exercise in anesthetized dogs significantly increased cardiac output (+26%) and blood flow to contracting limb muscles (+453%), while decreasing renal blood flow (-18%).
Why the study?
How does induced isometric exercise affect the distribution of cardiac output in anesthetized dogs?
Population
Anesthetized dogs
Comparison
Induced isometric exercise vs Baseline/control values
Design
Preclinical
Authors
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Should not inform human exercise protocols; extends hemodynamic mapping in anesthetized animal models.
How does induced isometric exercise affect the distribution of cardiac output in anesthetized dogs?
Induced isometric exercise in dogs causes significant hemodynamic changes and redistributes blood flow to contracting muscles while reducing renal flow via alpha-adrenergic mechanisms.
Crayton et al. (1979) studied this question. Induced isometric exercise vs. Baseline/control values was evaluated on Distribution of cardiac output and blood flow. Induced isometric exercise in anesthetized dogs significantly increased cardiac output (+26%) and blood flow to contracting limb muscles (+453%), while decreasing renal blood flow (-18%).
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