Author:
Sun Di,Wei Changmin,Li Zhen
Abstract
AbstractBackgroundsAlthough Blood urea nitrogen (BUN) and serum creatinine concentration (Cr) has been widely measured in daily clinical practice, BUN-to-Cr ratio (BCR) for prognosis among patients admitted with cardiogenic shock (CS) remains unknown. The present study was conducted to assess the prognostic effectiveness of BCR on CS.Methods and resultsRecords of data for patients with CS were extracted from public database of the Medical Information Mart for Intensive Care-III (MIMIC-III). The primarily endpoint was in-hospital mortality. We incorporated multivariate Cox regression model and Kaplan–Meier curve to evaluate the relationship between BCR and in-hospital mortality, adjusting for potential confounders. Data of 1137 patients with CS were employed for the final cohort, with 556 in the low BCR (< 20) and 581 in the high BCR (≥ 20) group. In the multivariate Cox model and Kaplan–Meier curve, compared to low BCR, we found high BCR was independently associated with significantly improved in-hospital survival for CS (HR 0.66, 95% CI 0.51–0.84;P < 0.01). The benefit of high BCR on in-hospital survival for CS was remaining among subgroups of acute kidney injury (AKI) and non-AKI.ConclusionsOur analysis indicated that high BCR, as compared to low BCR, was correlated with improved in-hospital survival for participants with CS, with or without AKI. The results need to be proved in large prospective studies.
Publisher
Springer Science and Business Media LLC
Subject
Cardiology and Cardiovascular Medicine
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