PURPOSE: Ischemic heart disease (IHD) may result in lethal conditions such as ischemic cardiomyopathy (ICM) and mitral regurgitation (MR). METHODS: We hypothesized preoperative LV volume would be highly associated with long-term survival in such patients. We retrospectively evaluated effects of LV end-systolic volume index (LVESVI) on survival. RESULTS: Patients were divided into two groups according to LVESVI; Group S (n = 19, <100 ml/m(2)), and L (n = 55, >100 ml/m(2)). There were 74 patients (male 61, female 13; 61 ± 10 y.o.). There was no statistical significance in preoperative parameters, including ejection fraction (EF), severity of MR, severity of tricuspid regurgitation (TR), and right ventricular systolic pressure (RVSP). After operation, LVESVI and severity of MR were statistically reduced in both groups. However, EF, severity of TR and RVSP were not statistically alleviated in both groups. In Group S, 5- and 10-year survival rates were 93% and 48%. In Group L, 5- and 10-year survival rates were 50% and 29%. There was a statistical difference in long-term survival between two groups. CONCLUSIONS: Preoperative LV volume would be one of the risk factors for long-term survival in patients with congestive heart failure secondary to IHD. Careful follow-up and optimal treatment should be recommended before LV dimension becomes too large.
PURPOSE:Ischemic heart disease (IHD) may result in lethal conditions such as ischemic cardiomyopathy (ICM) and mitral regurgitation (MR). METHODS: We hypothesized preoperative LV volume would be highly associated with long-term survival in such patients. We retrospectively evaluated effects of LV end-systolic volume index (LVESVI) on survival. RESULTS:Patients were divided into two groups according to LVESVI; Group S (n = 19, <100 ml/m(2)), and L (n = 55, >100 ml/m(2)). There were 74 patients (male 61, female 13; 61 ± 10 y.o.). There was no statistical significance in preoperative parameters, including ejection fraction (EF), severity of MR, severity of tricuspid regurgitation (TR), and right ventricular systolic pressure (RVSP). After operation, LVESVI and severity of MR were statistically reduced in both groups. However, EF, severity of TR and RVSP were not statistically alleviated in both groups. In Group S, 5- and 10-year survival rates were 93% and 48%. In Group L, 5- and 10-year survival rates were 50% and 29%. There was a statistical difference in long-term survival between two groups. CONCLUSIONS: Preoperative LV volume would be one of the risk factors for long-term survival in patients with congestive heart failure secondary to IHD. Careful follow-up and optimal treatment should be recommended before LV dimension becomes too large.
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