Surgical Treatment and Results of the Disfunctions of Bioprosthetic Valves: Experience of 10 Years

Bahadır DAĞLAR, Kaan KIRALİ, Esat AKINCI, Mustafa GÜLER, Ercan EREN, Gökhan İPEK, Mehmet BALKANAY, Turhan BERKİ, Ali GÜRBÜZ, Cevat YAKUT

Koşuyolu Kalp ve Araştırma Hastanesi Kalp ve Damar Cerrahisi Bölümü

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Beetween 1985 and 15 July 1998, 444 bioprosthetic valve replacements were performed at Koşuyolu Heart and Research Hospital. 42 of them (9.57%), 40 MVR and 2 AVR, reoperated due to dysfunction in ten year period. Mean durability was 8.1±2.2 years (4-12). Early mortality rate was 4.8% with 2 cases. Bileaflet mechanical prosthetic valves were used on reoperations. Posioperative functional capacities of the most of the operated patiens were NYHA class I-II. Frequency of reoperation due to prosthetic valve dysfunction has increared in last years. Reoperation has a higher mortality and morbidity rates than first operation.

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