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. 2016 Jun 9;6:27645. doi: 10.1038/srep27645

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Copyright © 2016, Macmillan Publishers Limited

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A total of 18,719 patients undergoing isolated OPCAB were screened. The LVEF of 446 patients was less than 35%, and 416 patients were enrolled. Prophylactic IABP was inserted in 191 patients (IABP group); 225 patients did not receive prophylactic IABP (control group); 258 patients (129 patients in each group) were propensity matched. The postoperative 30-day mortality and morbidity were compared. IABP denotes intra-aortic balloon pump, LVEF denotes left ventricular ejection fraction, and OPCAB denotes off-pump coronary artery bypass graft.