Background: There are increasing numbers of diabetic patients who are referred for coronary artery bypass grafting (CABG) after prior percutaneous coronary intervention (PCI). The intent here is to characterize the risk, if any, that is associated with PCI experience prior to CABG in diabetic patients.
Methods: In two tertiary cardiac centers in Saudi Arabia 1915 patients underwent coronary artery bypass grafting CABG from January 2008 to January 2013 ,1179 (61.6%)patients whose had diabetes mellitus divided in 2 groups ;1st group : 246/1179 patients with CABG post PCI (20.8%) , and the 2nd group:933/1179(79.13%) patients underwent CABG without previous PCI. We chose the 2 groups with nearly similar preoperative cardiac morbidities and extra cardiac co-morbidities.
Results: Except for emergency cases and clopidogrel and statin use and the distribution of NYHA classification, the two groups were similar in terms of Baseline demographic and preoperative Characteristics. Summarized intra-operative and Post-operative data showed that post PCI Group had significantly higher Cross clamp time, total Bypass time, Post-operative morbidities including Bleeding and Renal Impairment than 1ry CABG and also significant higher mortality rate in post PCI Group than 1ry CABG group.
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