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Article Abstract
Objective: Kidney failure is highly prevalent in patients with non-ST-elevation myocardial infarction (NSTEMI). The aim of the study was to evaluate the prognostic significance of baseline renal function regarding in-hospital and 1-year mortality among patients with NSTEMI and treated with percutaneous coronary intervention (PCI).
Methods: Data were obtained from the Polish Registry of Acute Coronary Syndromes (PL-ACS) and included 47,052 NSTEMI patients treated with PCI between 2017 and 2021. The cumulative incidence of all-cause mortality during the 1-year follow-up was presented using the Kaplan-Meier curves. The multivariable Cox regression model was created to adjust the relationship between eGFR (as a spline term) and all-cause mortality for potential confounders.
Results: After considering the exclusion criteria, 20,834 cases were evaluated, with a median eGFR of 72.7 (IQR 56.6-87.5) mL/min/1.73 m. The median age was 69 (62-76) years. The study comprised 4,505 patients with normal (90-120), 10,189 with mild (60-89), 5,539 with moderate (30-59), and 601 with severe eGFR impairment (15-29). Lower eGFR was associated with worse baseline clinical profile and longer in-hospital delay to coronary angiography. There was a stepwise increase in the crude all-cause death rates across the groups at 1 year. The Cox regression model with a spline term revealed that the relationship between eGFR and the risk of death at 1 year was non-linear (reverse J-shaped), and the risk was the lowest in patients with eGFR∼90 mL/min/1.73 m.
Conclusions: There is a J-curve relationship between the eGFR value and 1-year all-cause mortality in patients with NSTEMI and treated with PCI.
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| http://dx.doi.org/10.1016/j.hjc.2023.07.005 | DOI Listing |
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