[A case of reoperation of Ebstein's anomaly with increased tricuspid regurgitation after Hardy's operation].

A 30-year-old man, who had undergone Hardy's operation and the direct closure of an atrial septal defect for Ebstein's anomaly at age 9, was reoperated on by Carpentier's procedure for a long-standing tricuspid regurgitation. He required IABP support to wean from the cardiopulmonary bypass for the acute heart failure. Nonetheless, his postoperative course was uneventful. Echocardiography, nine months after the operation, showed a decrease in moderate residual regurgitation and an increase in the right ventricular inflow velocity, which were considered signs of an improvement in the right ventricular function and, furthermore, it showed an increase in the left ventricular volume and a marked improvement in the left ventricular ejection fraction. We consider that tricuspid regurgitation for many years result in a dysfunction in the right ventricle and, because of a decrease in the filling volume, in the left ventricle. For this reason, we should positively perform an operation without leaving tricuspid regurgitation as it is.