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Meta-analysis Comparing Outcomes of Percutaneous Coronary Intervention of Native Artery Versus Bypass Graft in Patients With Prior Coronary Artery Bypass Grafting

Lookup NU author(s): Dr Mohaned Egred

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Abstract

© 2020 Elsevier Inc. Percutaneous coronary intervention (PCI) is common in patients with prior coronary artery bypass graft surgery (CABG), however the data on the association between the PCI target-vessel and clinical outcomes are not clear. We aimed to investigate long-term clinical outcomes of patients with prior CABG who underwent PCI of either bypass graft or native artery. We performed a systematic review and meta-analysis of observational studies comparing PCI of either bypass graft or native artery in patients with prior CABG. Twenty-two studies comprising 40,984 patients were included. The median follow-up duration was 2 (1 to 3) years. Compared with bypass graft PCI, native artery PCI was frequent (61% vs 39%) and was associated with lower major adverse cardiac events (MACE) (odds ratio [OR] 0.51, 95% confidence interval [CI] 0.45 to 0.57, p <0.001), lower all-cause death (OR 0.65, 95% CI 0.49 to 0.87, p = 0.004), lower myocardial infarction (OR 0.56, 95% CI 0.45 to 0.69, p <0.001), and lower target vessel revascularization (TVR) (OR 0.62, 95% CI 0.51to 0.76, p <0.001). There was no significant difference in the early incidence of major bleeding or stroke between the 2 cohorts. In 6 studies involving 2,919 patients with ST-elevation myocardial infarction, there was no significant differences between the 2 cohorts. The increase in TVR risk with bypass graft PCI was associated with MACE. In conclusion, in observational studies involving patients with prior CABG, native artery PCI was associated with lower MACE, all-cause death, myocardial infarction, and TVR compared with bypass graft PCI at a median follow-up of 2 years. Native artery PCI might be considered the preferred treatment for bypass graft failure.

Publication metadata

Author(s): Farag M, Gue YX, Brilakis ES, Egred M

Publication type: Article

Publication status: Published

Journal: American Journal of Cardiology

Year: 2021

Volume: 140

Pages: 47-54

Print publication date: 01/02/2021

Online publication date: 02/11/2020

Acceptance date: 15/10/2020

ISSN (print): 0002-9149

ISSN (electronic): 1879-1913

Publisher: Elsevier Inc.

URL: https://doi.org/10.1016/j.amjcard.2020.10.062

DOI: 10.1016/j.amjcard.2020.10.062

PubMed id: 33144169

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