J.Jpn. Surg. Soc.. 99(2): 96-98, 1998

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Feature topic

SURGICAL RESULTS AND LONG-TERM OUTCOME AFTER MITRAL AND/OR TRICUSPID VALVE
RE-REPLACEMENT

Based on the STS/AATS guidelines of 1996, we compared the long-term results after mitral (Re-MVR) and/or tricuspid valve re-replacement (Re-TVR) in a total 324 patients (Re-MVT 299, Re-MVT＋TVR 19 , and Re-TVR 6 patients) with those after initial valve replacement in 763 patients (MVR 741, MVR＋TVR 6 and TVR 16 patients). The actuarial survival (AS), reoperation-free (RF), thromboembolism-free (TF), and freedom from all valve-related events (EF) rates at the 15th postoperative year were 69.3％, 82.4％ 86.6％, and 48.9％ after Re-MVR and 87.2％, 92.2％, 83.9％, and 61.4％ after initial MVR, respectively. The only significant difference between the two MVR groups occurred in the RF proportion. Similarly, the incidence of valve-related events after Re-MVR＋TVR or Re-TVR was the same as that after the initial operation for the respective valve lesions. These long-term results suggest that valve re-replacement for mitral and/or tricuspid valve lesions should be encouraged to the same extent as the initial operation.

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