• Ryaan El-Andari, Sabin J Bozso, Nicholas M Fialka, Jimmy J H Kang, Jayan Nagendran, and Jeevan Nagendran.
• Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.
• Ann. Surg. 2022 Jun 1; 275 (6): 105810661058-1066.

ObjectiveThis systematic review and meta-analysis aims to review the contemporary literature comparing CABG and PCI in diabetic patients providing an up-to-date perspective on the differences between the interventions.BackgroundDiabetes is common and diabetic patients are at a 2-to-4-fold increased risk of developing coronary artery disease. Approximately 75% of diabetic patients die of cardiovascular disease. Previous literature has identified CABG as superior to PCI for revascularization in diabetic patients with complex coronary artery diseas.MethodsPubMed and Medline were systematically searched for articles published from January 1, 2015 to April 15, 2021. This systematic review included all retrospective, prospective, and randomized trial studies comparing CABG and PCI in diabetic patients. 1552 abstracts were reviewed and 25 studies were included in this review. The data was analyzed using the RevMan 5.4 software.ResultsDiabetic patients undergoing CABG experienced significantly reduced rates of 5-year mortality, major adverse cardiovascular and cerebrovascular events, myocardial infarction, and required repeat revascularization. Patients who underwent PCI experienced improved rates of stroke that trended toward significance.ConclusionsPrevious literature regarding coronary revascularization in diabetic patients has consistently demonstrated superior outcomes for patients undergoing CABG over PCI. The development of 1st and 2nd generation DES have narrowed the gap between CABG and PCI, but CABG continues to be superior. Continued investigation with large randomized trials and retrospective studies including long term follow-up comparing CABG and 2nd generation DES is necessary to confirm the optimal intervention for diabetic patients.Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.

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