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(Circulation. 1973;48:III-173.)
© 1973 American Heart Association, Inc.

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Combined One-Stage Coronary Artery and Valvular Surgery

A Clinical Evaluation

GIDEON MERIN M.D.¹; GORDON K. DANIELSON M.D.¹; ROBERT B. WALLACE M.D.¹; BARRY D. RUTHERFORD M.D.¹; JAMES R. PLUTH M.D.¹

¹ From the Mayo Clinic and Mayo Foundation, Rochester, Minnesota.

Fifty patients underwent correction of one or two valvular lesions with concomitant insertion of one to three aortocoronary vein bypass grafts. Hospital mortality was 14% and late mortality was 10%. Factors influencing operative mortality were: (1) mitral valve replacement after myocardial infarction; (2) complete obstruction of a coronary artery preoperatively; (3) high left ventricular end-diastolic pressure at rest preoperatively in patients with mitral valve disease; and (4) use of a single aortocoronary graft in the presence of multiple-vessel disease. For patients with significant associated valvular and coronary artery disease, combined correction yields results that appear sufficiently encouraging, judged by mortality and follow-up, to warrant its continued use in selected cases.

Key Words: Valvular surgery • Mitral insufficiency • Coronary revascularization • Aortocoronary bypass grafts • Preoperative myocardial infarction