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Ann Thorac Surg 1978;25:555-557
© 1978 The Society of Thoracic Surgeons

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Articles

The Determinants of Survival Following Reoperation on Prosthetic Cardiac Valves

Department of Surgery, Division of Cardiothoracic Surgery, The University of Rochester Medical Center, Rochester, NY

Accepted for publication October 13, 1977.

^* Address reprint requests to Dr. Stewart, Division of Cardiothoracic Surgery, The University of Rochester Medical Center, 601 Elmwood Ave, Rochester, NY 14642

In an effort to identify the determinants of survival following reoperation on patients with prosthetic cardiac valves, the experience with a group of 33 patients at the University of Rochester Medical Center was reviewed. The survival rate was 58% (19/33). Survival was not related to the valve involved, the age of the patient, or the technical hazards of a second cardiac operation. Ten (77%) of the 13 patients in New York Heart Association (NYHA) Functional Class II survived compared with 8 (40%) of the 20 in Class III or IV. The survival rate for patients with a paravalvular fistula was 79% (11/14); with valve dysfunction, 50% (6/12); and with prosthetic valve infection, 29% (2/7). The determinants of survival seem to be similar to those for primary operation (i.e., NYHA patient classification and indication for operation) and less related to the potential operative complications of a reoperation.

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