Why the study?
Does intense treadmill exercise reveal abnormal circulatory function in asymptomatic patients with operatively closed ventricular septal defect and preoperative pulmonary hypertension?
Does intense treadmill exercise reveal abnormal circulatory function in asymptomatic patients with operatively closed ventricular septal defect and preoperative pulmonary hypertension?
Late postoperative cardiovascular function during exercise may be abnormal in patients with VSD and preoperative pulmonary hypertension, particularly those operated on at an older age.
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Abnormal exercise cardiac output linked to later VSD repair; hypothesis-generating for optimal surgical timing on long-term function.
Maron et al. (1973) studied this question.
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