• Fu-Chih Hsiao, Chien-Te Ho, Chia-Pin Lin, Chiu-Yi Hsu, Chi-Jen Chang, and Pao-Hsien Chu.
• Division of Cardiology, Department of Internal Medicine, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan City, Taiwan.
• Mayo Clin. Proc. 2023 Jan 1; 98 (1): 122133122-133.

ObjectiveTo investigate the impact of revascularization on long-term survival and renal outcome in non-ST-elevation myocardial infarction (NSTEMI) patients with severe chronic kidney disease (CKD).Patients And MethodsThis study includes NSTEMI patients with an estimated glomerular filtration rate <30 mL/min per 1.73 m2, including those on chronic hemodialysis who were identified from the multicenter Chang Gung Research Database from January 1, 2007, to December 31, 2017. Inverse probability of treatment weighting was used to generate comparable groups. The survival and the risk of progression to chronic hemodialysis between those receiving revascularization, either percutaneous coronary intervention or coronary artery bypass graft, and those receiving medical therapy during index hospitalization were compared.ResultsA total of 2821 NSTEMI patients with severe CKD, including 1141 patients on chronic hemodialysis, were identified. Of these, 1149 patients received revascularization and 1672 received medical therapies. The differences in demographics, comorbidities, and presentations between groups were balanced after inverse probability of treatment weighting. After a mean follow-up of 1.82 years, revascularization was associated with a lower risk of all-cause mortality (adjusted HR, 0.61; 95% CI, 0.54-0.70). For non-dialysis-dependent patients who had survival to discharge, revascularization had a higher risk of progression to chronic hemodialysis (adjusted HR, 1.83; 95% CI, 1.49-2.26) after a mean follow-up of 2.3 years.ConclusionRevascularization was associated with a lower risk of all-cause mortality in NSTEMI patients with severe CKD. For non-dialysis-dependent patients who survived to discharge, revascularization was associated with a higher risk of progression to chronic hemodialysis.Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved.

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