Comparison of Long-Term Mortality in Patients With Previous Coronary Artery Bypass Grafting Who Underwent Percutaneous Coronary Intervention With Versus Without Optimal Medical Therapy

The American Journal of Cardiology
Yuichi NakamuraSatoshi Yasuda

Abstract

Although current guidelines have highlighted the importance of evidence-based optimal medical therapy (OMT) in patients with previous coronary artery bypass grafting (CABG), the effect of OMT on post-CABG patients requiring secondary coronary revascularization on prognosis remains unknown. We sought to examine the impact of OMT on post-CABG patients who underwent percutaneous coronary intervention (PCI) as secondary revascularization. A total of 632 consecutive post-CABG patients who underwent PCI between 2001 and 2013 at our hospital (84% men, median age 71 years) were divided into 2 groups: patients who were discharged with OMT and patients who were discharged without OMT (non-OMT). OMT was defined as the combination of an antiplatelet agent, statin, β blocker, and angiotensin-converting enzyme inhibitor or angiotensin receptor blocker. Despite having a higher prevalence of clinical comorbidities, patients with OMT (n = 163) had a lower prevalence of all-cause death than those without OMT (n = 469) during a median follow-up of 95 months (OMT group 21.5%, non-OMT group 34.1%, p = 0.002). Both groups had similar procedural success rates. In a propensity-matched cohort (n = 146 each), OMT was associated with lower rates of all-c...Continue Reading

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