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find Author "HU Dayi." 1 results
  • Long-term Outcomes of Off-pump Coronary Artery Bypass Grafting in Patients with Low Left Ventricular Ejection Fraction

    Objective To investigate surgical outcomes and prognostic factors for patients with coronary heart disease and low left ventricular ejection fraction (LVEF≤40%) undergoing off-pump coronary artery bypass grafting (OPCAB). Methods We retrospectively analyzed clinical records of 63 discharged patients with coronary heart disease and low LVEF who underwent OPCAB in Peking University People’s Hospital from 2001 to 2004 year. There were 48 males and 15 females with mean age of 65.1±9.2 years and mean LVEF of 33.8%±5.0%. Regular follow-up evaluation was completed. We investigated risk factors for long-term survival of the patients by Kapalan-Meier survival curve, log-rank test and Cox regression model.?Results?Follow-up time was 3-107 (71.3±24.4) months, and six patients were lost during the follow-up. Nineteen patients (30.2%) died during follow-up including 10 patients (15.9%) who had cardiac-related death. The survival rate at 1, 3, 5 and 8 year was 96.7% (61), 94.9% (60), 85.9% (55), 77.2% (53) respectively. Univariate analysis shows LVEF≤30% and acute myocardial infarction within 30 days are risk factors for long-term survival(P<0.05). Cox regression analysis showed that LVEF≤30%(RR=4.662, P<0.05)and acute myocardial infarction within 30 days(RR=5.544, P<0.05)were two independent risk factors for cardiac-related death after discharge. Conclusion Patients with coronary heart disease and low LVEF can have satisfactory surgical outcomes after OPCAB. LVEF≤30% and acute myocardial infarction within 30 days are the two independent risk factors for cardiac-related death after discharge.

    Release date:2016-08-30 05:50 Export PDF Favorites Scan
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