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27. Off-pump coronary artery bypass with complete avoidance of aortic manipulation.

Author

Kim KB, Kang CH, Chang WI, Lim C, Kim JH, Ham BM, and Kim YL

Subjects
Acute Kidney Injury prevention & control, Aorta surgery, Arteries surgery, Atrial Fibrillation prevention & control, Cardiopulmonary Bypass, Coronary Artery Bypass mortality, Coronary Disease surgery, Female, Hemorrhage etiology, Humans, Lung Diseases etiology, Male, Mediastinitis etiology, Middle Aged, Myocardial Infarction prevention & control, Postoperative Complications, Prospective Studies, Reoperation, Saphenous Vein surgery, Coronary Artery Bypass methods
Abstract

Background: Off-pump coronary artery bypass (OPCAB) with complete avoidance of aortic manipulation may further reduce perioperative morbidity in addition to the benefits achieved by avoiding cardiopulmonary bypass and cardioplegic arrest., Methods: We prospectively analyzed 222 consecutive patients with multivessel disease who underwent OPCAB without aortic manipulation (group I), and compared them with 123 consecutive patients who underwent OPCAB using additional free arterial or saphenous vein grafts that were anastomosed on the ascending aorta (group II) and 76 consecutive patients who underwent on-pump conventional coronary artery bypass grafting (group III)., Results: No significant differences were noted in operative mortalities among the three groups (2/222, 3/123, and 2/76 in groups I, II, and III, respectively; p = NS). Fewer distal anastomoses were done in group I compared with groups II and III (3.2 +/- 0.9, 3.5 +/- 0.8, and 3.7 +/- 0.9 in groups I, II, and III, respectively; p < 0.001). No differences were noted in the incidences of postoperative morbidities such as mediastinitis, pulmonary complication, and reoperation for bleeding. The incidences of stroke, atrial fibrillation, and acute renal failure were significantly lower in group I than in group III (p < 0.05), although there were no significant differences between groups II and III. The incidence of perioperative myocardial infarction was significantly lower in group I than in groups II and III (p < 0.05), although there was no significant difference between groups II and III., Conclusions: Our results demonstrate that OPCAB with complete avoidance of aortic manipulation may further reduce the incidence of perioperative morbidities such as stroke, atrial fibrillation, acute renal failure, and perioperative myocardial infarction.

Published
2002
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