5 years ago

Comparison of the Frequency of Acute Kidney Injury in Patients With Renal Transplant Who Underwent Percutaneous Coronary Intervention Versus Coronary Artery Bypass Graft Surgery

Percutaneous coronary intervention (PCI) and coronary artery bypass graft (CABG) are established modalities of coronary revascularization. Choosing between the two requires taking into consideration not only disease severity, patient characteristics, and expected outcomes but also adverse effects. One such adverse effect is acute kidney injury (AKI), especially when considering coronary revascularization in patients with renal transplant (RT). We searched the National Inpatient Sample from 2008 to 2014 using International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes for patients with RT (V42.0) who underwent PCI (00.66, 36.06, and 36.07) and CABG (36.1×, 36.2, and 36.3×). We further identified patients with AKI (584.5, 584.6, 584.7, 584.8, and 584.9) and those on dialysis (39.95). The propensity score model/method was used to form matched cohorts for PCI and CABG. We compared the incidence of AKI and AKI requiring dialysis in CABG and PCI groups. We identified 1,871 patients who underwent PCI and 1,878 patients who underwent CABG after propensity score matching. We found the incidence of both AKI (22% vs 38%, odds ratio 2.20, 95% confidence interval 1.91 to 2.54, p <0.0001) and AKI requiring dialysis (1% vs 3%, odds ratio 2.50, 95% confidence interval 1.49 to 4.19, p = 0.001) to be significantly higher in the CABG compared with the PCI cohort. In conclusion, the results of the study reflect the importance of accounting for the RT status before choosing between PCI and CABG for coronary revascularization.

Publisher URL: www.sciencedirect.com/science

DOI: S0002914917311098

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