Estimation of Subendocardial Ischemia in Valvar Aortic Stenosis in Children


Eighty-four cardiac catheterizations were reviewed in infants and children with isolated valvar aortic stenosis to evaluate the presence of subendocardial ischemia. An index of myocardial oxygen supply/demand was calculated from the left ventricular(LV) and aortic (Ao) pressure pulses. Supply was estimated by multiplying the area between Ao and LV pressures… (More)
DOI: 10.1203/00006450-197404000-00072


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