THE CARBOMEDICS VALVE - MIDTERM FOLLOW-UP WITH ANALYSIS OF RISK-FACTORS

被引:34
作者
FIANE, AE [1 ]
SAATVEDT, K [1 ]
SVENNEVIG, JL [1 ]
GEIRAN, O [1 ]
NORDSTRAND, K [1 ]
FROYSAKER, T [1 ]
机构
[1] UNIV OSLO,RIKSHOSP,DEPT CARDIOTHORAC SURG,N-0027 OSLO,NORWAY
关键词
D O I
10.1016/0003-4975(95)00637-Z
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background. This study examined the midterm results with the CarboMedics prosthetic valve. Methods. From 1987 through 1991 a total of 569 patients received the CarboMedics prosthesis. Results. Early mortality was 4.9% and related to emergency operation, presence of diabetes mellitus, coronary artery disease, preoperative New York Heart Association class, duration of cardiopulmonary bypass, and aortic cross-clamp time. Midterm follow-up with respect to mortality was 100% complete. All patients were followed up in the hospital after 1 year. In addition 86% of the patients responded to a questionnaire. Mean follow-up was 3 years (range, 0 to 5.6 years). Cumulative survival at 1 and 4 years was 91.2% +/- 1.2% and 83.7% +/- 1.8%, respectively. Five patients experienced obstructive valve thrombosis (0.3%/patient-year), 16 patients had major thromboembolic events (0.9%/patient-year), and 10 patients had major warfarin-related bleeding (0.6%/patient-year) requiring hospitalization or blood transfusions. Eight patients were reoperated on for paraprosthetic leak (0.4%/patient-year). Prosthetic valve endocarditis developed in 4 patients (0.2%/patient-year). No structural valve failure was observed. Conclusions. Midterm follow-up demonstrates that the CarboMedics mechanical prosthesis is reliable and has an acceptable rate of valve-related complications.
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页码:1053 / 1058
页数:6
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