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오병희(Byung Hee Oh),현민수(Min Su Hyon),김명아(Myung A Kim),김덕경(Duk Kyung Kim),손대원(Da Won Sohn),이명묵(Myoung Mook Lee),박영배(Young Bae Park),박재형(Jae Hyung Park),최윤식(Yun Shik Choi),서정돈(Jung Don Seo),이영우(Young Woo 대한내과학회 1989 대한내과학회지 Vol.37 No.6
N/A Percutaneous mitral valvuloplasty (PMU) with a double balloon technique was performed in 41 patients with moderate to severe mitral stenosis from September 1988 to April 1989. Magnetic resonance imaging (MRI) as well as echocardiographic examination was performed before PMV in all the patients with atrial fibrillation and in most cases with sinus rhythm in order to detect left atrial thrombi. There were 31 women and 10 men with a mean age of 37 years (range:17 to 71 years). Successful PMV (mitral valve area > 1.0 cm², increase in mitral valve area>25%, and mean diastolic mitral pressure gradient<10mmHg) was performed in 39 patients (95.1%). Causes of unsuccessful PMV were hemopericardium not requiring drainage and ineffective dilatation despite an uneventful procedure, PMV resulted in increased mitral valve area (1.07±0.33 vs. 2.40±0.85 cm², p<0.001) and decreased mean left atrial pressure (24.0±8.2 vs. 7.3±3.1mmHg, p<0.001), mean diastolic mitral pressure gradient (21.8±7.2 vs. 5.7±2.5mmHg, p<0.001), and mean pulmonary arterial pressure (39.3±17.9 vs. 18.5±9.3mmHg, p<0.001), New or increased mitral regurgitation was noticed in 10 patients (24.4%) on contrast left ventriculography after PMV. Major complications such as death, cardiac tamponade requiring drainage, severe mitral regurgitation over III/IV and systemic embolism have not developed in our cases. Therefore, percutaneous mitral valvuloplasty using a double balloon technique seems to be a safe and effective method of treatment in selected patients with symptomatic mitral stemosis.