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KMID : 0191120110260121582
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Journal of Korean Medical Science
2011 Volume.26 No. 12 p.1582 ~ p.1590
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Long-Term Echocardiographic Follow-up after Posterior Mitral Annuloplasty Using a Vascular Strip for Ischemic Mitral Regurgitation: Ten-Years of Experience at a Single Center
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Jeong Dong-Seop
Lee Hae-Young
Kim Wook-Sung
Sung Ki-ick
Jun Tae-Gook
Yang Ji-Hyuk
Park Pyo-Won
Lee Young-Tak
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Abstract
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Management of ischemic mitral regurgitation (MR) is challenging. The aim of this study was to investigate long-term clinical and echocardiographic results of restrictive mitral annuloplasty for ischemic MR. From 2001 through 2010, 96 patients who underwent myocardial revascularization with restrictive mitral annuloplasty using a vascular strip for ischemic MR were analyzed. Patients were stratified into two groups based on left ventricular ejection fraction (LVEF): group I, n = 50, with LVEF > 35% and group II, n = 46, with LVEF ≤ 35%. The early mortality rate was 2.1% (2/96) and the late cardiac mortality rate was 11.5% (11/96). MR grade was reduced at discharge (0.8 ± 0.7) but increased during follow-up (1.1 ± 0.8, P = 0.001). There was no intergroup difference in terms of freedom from recurrent MR ≥ moderate eight years after surgery (94.1% ± 5.7%, group I vs 87.8% ± 7.2%, group II; P = 0.575). NYHA functional class (odds ratio [OR], 2.2; P = 0.044) and early postoperative residual MR ≥ mild (OR, 25.4; P < 0.001) were independent predictors of recurrent MR. Restrictive mitral annuloplasty using a vascular strip is effective in ischemic MR. It is important to avoid early postoperative residual MR.
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KEYWORD
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Coronary Artery Disease, Myocardial Ischemia, Mitral Valve Iinsufficiency, Myocardial Revascularization, Mitral Valve Annuloplasty
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