• Ann. Thorac. Surg. · Aug 2013

    Comparative Study

    Coronary revascularization in diabetic patients: off-pump versus on-pump surgery.

    • André Renner, Armin Zittermann, Anas Aboud, Thomas Pühler, Kavous Hakim-Meibodi, Wulf Quester, Diethelm Tschoepe, Jochen Börgermann, and Jan F Gummert.
    • Clinic for Thoracic and Cardiovascular Surgery, Heart and Diabetes Center North Rhine-Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany. arenner@hdz-nrw.de
    • Ann. Thorac. Surg. 2013 Aug 1; 96 (2): 528-34.

    BackgroundCoronary artery bypass grafting (CABG) is a well-established procedure for treating diabetic patients with multivessel disease, but extracorporeal circulation and cardioplegia-induced cardiac arrest introduce a severe burden to these patients. The present study investigated if off-pump CABG decreases 30-day mortality and mid-term mortality in diabetic patients in comparison with conventional CABG.MethodsFrom February 2009 through October 2011, data from 355 consecutive adult diabetic patients undergoing off-pump CABG and 502 patients undergoing on-pump CABG were prospectively recorded. Data analysis was performed by propensity score (PS)-adjusted logistic regression analysis and PS-adjusted Cox regression analysis. The primary endpoint was 30-day mortality. Secondary endpoints were major complications and mortality on follow-up.ResultsOff-pump CABG was associated with a significantly lower 30-day mortality rate (0.3% vs 4.2%; adjusted odds ratio [OR] = 0.09 [95% confidence interval (CI):0.01 to 0.70] p = 0.021) than on-pump CABG. Results coincided with a lower rate of postoperative neurologic complications in patients undergoing off-pump CABG (1.7% vs 5.4%; adjusted OR = 0.31 [95% CI: 0.12 to 0.77] p = 0.012) and a less frequent need for hemofiltration in these patients (3.4% vs 10.4%; adjusted OR = 0.30 [95% CI: 0.14 to 0.64] p = 0.002). The off-pump technique decreased the 6-month mortality rate (2.3% vs 8.8%; adjusted hazard ratio = 0.27 [95% CI: 0.12 to 0.61] p = 0.002) and also the 1-year mortality rate (4.0% vs 10.6%; adjusted hazard ratio = 0.40 [95% CI: 0.22 to 0.75] p = 0.004) significantly.ConclusionsOur data indicate that in terms of postoperative complications and early and mid-term survival, off-pump CABG is superior to the on-pump technique in diabetic patients.Copyright © 2013 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.

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