Abstract
Ten patients underwent mitral valve re-replacement for the third to sixth time through a right thoracotomy using one-lung anesthesia, femorofemoral bypass, profound systemic hypothermia, and low-flow perfusion without aortic cross-clamping or cardioplegia. The indications for this approach were previous mediastinitis, severe right ventricular hypertension with multiple previous sternotomies, intact coronary artery bypass graft, or previous aortic valve replacement. There was 1 operative death, which was due to end-stage pulmonary hypertension and intractable right heart failure. Blood loss was minimal, and there was no major postoperative morbidity in the 9 surviving patients except for supraventricular arrhythmias.
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