Long-term experience with the Sorin Bicarbon and Edwards Mira mechanical valve prostheses in the mitral position

被引：5

作者：

Fukui T. ^{[1
]}

Shibata T. ^{[2
]}

Sasaki Y. ^{[1
]}

Hirai H. ^{[1
]}

Motoki M. ^{[1
]}

Takahashi Y. ^{[1
]}

Suehiro S. ^{[1
]}

机构：

[1] Department of Cardiovascular Surgery, Osaka City University, Graduate School of Medicine, Abeno-ku, Osaka 545-8585

[2] Department of Cardiovascular Surgery, Kansai Rosai Hospital, Hyogo

来源：

General Thoracic and Cardiovascular Surgery | 2007年 / 55卷 / 3期

关键词：

Heart valve disease; Mechanical valve; Mitral valve; Mitral valve replacement;

D O I：

10.1007/s11748-006-0081-7

中图分类号：

学科分类号：

摘要：

Objective. Sorin Bicarbon (SB) and Edwards Mira (EM) valves have an identical mechanical design but different sewing cuffs. The purpose of this retrospective study was to analyze the long-term clinical and echocardiographic outcomes after mitral valve replacement with these two valves in a combined population of patients. Methods. We retrospectively reviewed records of 73 patients who underwent mitral valve replacement using SB (n = 19) or EM (n = 54) valves. Preoperatively, 49 patients (68.1%) were in New York Heart Association (NYHA) functional class III or IV. Concomitant procedures were performed in 52 patients (71.2%). Early and late postoperative echocardiography was performed in 69 and 57 patients, respectively. Results. Operative mortality was 4.1%, and early morbidity was 9.6%. Overall patient survival at 9 years was 85.1% ± 4.8%. Actuarial freedom from valve-related death was 95.4% ± 2.6% at 9 years. As shown by Doppler echocardiography, the early and late mean transprosthetic pressure gradients were 3.4 ± 1.4mmHg and 3.8 ± 2.1mmHg, respectively. At the end of follow-up, 98.4% of survivors were in NYHA class I or II. Conclusion. The Sorin Bicarbon and Edwards Mira mechanical valves in the mitral position provide satisfactory long-term clinical and echocardiographic performance. © 2007 The Japanese Association for Thoracic Surgery.

引用

页码：91 / 97

页数：6

共 25 条

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