Abstract
Based on the adverse relationship between left ventricular (LV) remodeling and clinical outcome in ischemic cardiomyopathy, surgical ventricular restoration (SVR) is proposed as a valuable adjunct procedure. This study reports on the short-term clinical and hemodynamical performance of SVR. Using end-systolic LV volume as indication for SVR, 78 patients with ischemic cardiomyopathy are divided in two groups: group 1 comprised 55 patients treated by coronary revascularization and mitral annuloplasty, group 2 comprised 23 patients undergoing additional SVR. Hemodynamic investigation included echocardiographic assessment of systolic and diastolic function. Clinical follow-up focused on survival and functional status with exercise performance. Both surgical approaches resulted in improvement of NYHA class (2.9-1.6 in group 1; 3.3-1.5 in group 2, p<0.001), achieving similar exercise performance (peak VO2 13.7 vs 15.4 ml/kgmin in groups 1 and 2, p=0.25) and plasma BNP values (group 1: 1350 pg/ml and group 2: 767 pg/ml, p=0.23). SVR provided additional benefit as patients basically had a worse NYHA class (2.9 in group 1 vs 3.3 in group 2, p=0.03). Within mean follow-up of 20 months, survival rate was 84% in group 1 and 74% in group 2 ...Continue Reading
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