Key result
Experimentally induced acute aortic insufficiency in anesthetized dogs consistently increased coronary sinus blood flow by 12 to 36% and myocardial oxygen consumption by 9 to 35%.
Why the study?
Does experimental aortic insufficiency alter arterial blood pressure, coronary blood flow, and cardiac oxygen consumption in dogs?
Does experimental aortic insufficiency alter arterial blood pressure, coronary blood flow, and cardiac oxygen consumption in dogs?
This preclinical study aimed to clarify the contradictory effects of aortic insufficiency on coronary blood flow and cardiac oxygen consumption in a canine model.
Answers are grounded in this paper and cite their sources.
Hypothesis-generating for myocardial energetics in acute aortic insufficiency; leaves open human applicability.
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Wégria et al. (1958) studied Acute aortic insufficiency (n=8). Experimentally induced acute aortic insufficiency vs. Baseline (control period) was evaluated on Coronary blood flow and myocardial oxygen consumption. Experimentally induced acute aortic insufficiency in anesthetized dogs consistently increased coronary sinus blood flow by 12 to 36% and myocardial oxygen consumption by 9 to 35%.
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