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• W2059778827 abstract "Literature review found little information on off-pump coronary artery bypass (OPCAB) procedure in patients with poor left ventricular function and there was no information comparing the low EF and normal EF patients undergoing OPCAB procedure.Between 1/1/1998 and 6/30/1999, 387patients had surgery performed utilizing the off-pump technique and 45 of these patients had pre-operative left ventricular function of equal to or less than 30% (LVEF < or =30). The two groups (LVEF < or =30 and LVEF>30) were compared using univariate analysis. Patients in LVEF < or =30 were older and more female gender. LVEF< 30 had more NYHA class IV patients (64 vs. 50%) and more symptoms related to depressed left ventricular function. The mean pre-operative left ventricular function was 25% in LVEF < or =30 and 56% in LVEF>30. Pre-operative predicted risk was 6.4+/-5.5% in LVEF < or =30 and 2.7+/-4.5% in LVEF>30 (P< 0.001). Most (> 95%) of the patients in both groups were elective status, and LVEF < or =30 patients had increased incidence of redo (11 vs. 6%, P=0.2). In LVEF>30, 84% of the patients had stable angina while only 69% in LVEF < or =30 (P=0.009).Intra-operatively no significant differences were measured in number of grafts per patient (2.7 vs. 2.8), amount of blood loss, peak CK-MB, skin-to-skin time, or OR time. Patients with LVEF < or =30 have more frequent utilization IABP during pre, intra and post-operative period. The statistical analysis yields no significance in post-operative major neurological deficit between these two groups; and are comparative to the nationally reported incidence of neurological deficit for on-pump patients. The operative mortality in the low EF group was 4.4 and 1.8% in LVEF>30 group (P=0.23).Given the clinical presentation of the low EF group, higher prediction risk, longer pre-operative stay, and length of ventilation (24 vs. 8 h P=0.12) a longer surgery to discharge stay (8 vs. 6 days, P=0.02) is anticipated. Short-term clinical outcomes for both groups of OPCAB patients encouraged us to continue to offer this approach to this broad base of patient population." @default.
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• W2059778827 date "2001-09-01" @default.
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• W2059778827 title "OPCAB surgery: a critical review of two different categories of pre-operative ejection fraction" @default.
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• W2059778827 doi "https://doi.org/10.1016/s1010-7940(01)00863-6" @default.
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