Impact of Chronic Kidney Disease and Anemia on Outcomes After Percutaneous Coronary Revascularization

The American Journal of Cardiology
Lindsey CiliaSuresh R Mulukutla

Abstract

Few studies have evaluated outcomes after percutaneous coronary intervention (PCI) in patients with both anemia (hemoglobin < 12 g/dl in women; <13 in men) and chronic kidney disease (CKD, estimated glomerular filtration rate < 60 ml/min/1.73 m2). Patients with coronary artery disease who underwent PCI in our health system from 2010 to 2018 were included (n = 10,756), excluding those with ST-elevation myocardial infarction or shock. We evaluated the individual and combined effects of anemia and CKD on outcomes. Five-year mortality was highest in the cohort with both anemia and CKD and lowest in those with neither. After multivariate analysis, with the group with neither anemia nor CKD as a reference, the adjusted hazard ratio for mortality was 1.68 (95% confidence interval [CI] 1.45 to 1.95, p <0.001) for those with anemia alone, 1.33 (95% CI 1.15 to 1.53, p <0.001) for those with CKD alone, and 2.83 (95% CI 2.49 to 3.22, p <0.001) for those with both anemia and CKD. With respect to readmission and reintervention, similar tends were observed, with patients with both CKD and anemia having the highest risk for these outcomes. In conclusion, the combined effects of anemia and CKD on outcomes post-PCI appear to be worse than either...Continue Reading

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