A simple technique of left ventricular assistance, offering the advantages of both cardiopulmonary bypass and off-pump revascularization, was adopted for high-risk patients. It was used in 56 patients with critical left main stenosis and occluded right coronary artery, severely reduced ejection fraction and/or unstable angina. All patients underwent complete and successful myocardial revascularization (3.4 grafts per patient). Weaning from the pump was uncomplicated, and none required conversion to full cardiopulmonary bypass.
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