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  • Title: Increased early postoperative morbidity with off-pump coronary artery bypass grafting surgery in patients with diabetes.
    Author: Vermes E, Demaria RG, Martineau R, Cartier R, Pellerin M, Hébert Y, Bouchard D, Pagé P, Carrier M, Perrault LP.
    Journal: Can J Cardiol; 2004 Dec; 20(14):1461-5. PubMed ID: 15614342.
    Abstract:
    BACKGROUND: Patients with diabetes constitute a high-risk population for myocardial revascularization due to extensive coronary disease. OBJECTIVE: To compare the early postoperative outcomes of patients with diabetes undergoing off-pump or on-pump coronary artery bypass surgery. METHODS AND RESULTS: Over a four-year period (1995 to 1998), 885 diabetics were operated for primary isolated coronary bypass; 156 patients had off-pump and 729 had on-pump coronary artery bypass surgery. Patients in the off-pump group were significantly older, had a higher incidence of hypertension and renal failure, and received fewer distal anastomoses (2.7 versus 2.9, P=0.004). Postoperative myocardial infarction, reintubation and postoperative use of intra-aortic balloon pump occurred significantly more frequently in the off-pump group (10.3% versus 5.5%, P=0.04; 8.3% versus 3.6%, P=0.03; 7.7% versus 1.5%, P=0.0001, respectively). Multivariate analysis revealed that type of surgery was an independent predictor of these complications, which occurred 1.9, 2.7 and 7.9 times more often, respectively, in the off-pump group. The 30-day mortality rate was not significantly different between the groups. CONCLUSIONS: Off-pump coronary artery bypass surgery is associated with an increased early postoperative morbidity in patients with diabetes and, thus, should be used with caution.
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