Regional myocardial blood flow during both control conditions and ischemia-induced vasodilatation was studied in eight chronically instrumented awake dogs. Seven of these animals had coarctation-banding of the ascending aorta performed at 6 wk of age, and the other dog had congenital subvalvular aortic stenosis. The mean left ventricular weight for the group was 157±7.6 g, and the left ventricular body weight ratio was 8.76±0.47 g/kg. None of the animals exhibited signs of congestive heart failure.


Judith C. Rembert, Leonard H. Kleinman, John M. Fedor, Andrew S. Wechsler, Joseph C. Greenfield Jr.


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