PMID: 6405715Jan 1, 1983Paper

Reoperations on heart valve prostheses. Apropos of 58 cases

Archives des maladies du coeur et des vaisseaux
M Ben IsmailM Zaouali

Abstract

In the period from 1968 to November 1980, 1 023 patients underwent surgery for single or multiple valve replacement. Fifty three patients (6,6% of the follow-up population) had to be reoperated, including 5 patients who had to be reoperated twice, giving a total of 58 reoperations. The average interval before reoperation was 30 months. The incidence was similar in monovalvular (7,5 p. 100 mitral valves, 5 p. 100 aortic valves) and polyvalvular (7 p. 100) cases. On the other hand, the incidence of reoperation of tricuspid prostheses (17 p. 100) was significantly superior to that of mitral valve (5,3 p. 100) or aortic valve (3,8 p. 100) prostheses. In 91 p. 100 of cases, the indication for reoperation was prosthetic valve dysfunction related to endocarditis in over a third of cases (21). In 32 cases, reoperation was required in the absence of any infectious process: 13 spontaneous perivalvular leaks, 10 thromboses, and 9 stenosing prostheses. There were no reoperations for wear of the prosthetic material. Only 9 p. 100 of patients were reoperated for uncorrected valvular disease. The prognosis of these reoperations was poor; hospital mortality being 42,5 p. 100. This high mortality rate is explained by the frequency of reoperatio...Continue Reading

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