Role of platelet to albumin ratio for predicting persistent acute kidney injury in patients admitted to the intensive care unit.

BMC Anesthesiol

Precision Medicine Center, the Second Affiliated Hospital, Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.

Published: July 2023

AI Article Synopsis

  • The study investigated the role of the platelet to albumin ratio (PAR) in predicting persistent acute kidney injury (pAKI) in ICU patients.
  • A total of 7,646 patients were analyzed, determining an optimal PAR cut-off value of 7.2, with high PAR levels significantly linked to pAKI occurrences in both original and validation datasets.
  • The findings suggest that PAR is a valuable and easily accessible biomarker for early identification of pAKI in clinical settings.

Article Abstract

Background: The aim of this study was to investigate the prognostic role of platelet to albumin ratio (PAR) and in persistent acute kidney injury (pAKI) of patients admitted to the intensive care unit (ICU).

Methods: We involved pAKI patients from the Medical Information Mart for Intensive Care-IV (MIMIC-IV) database and eICU Collaborative Research Database (eICU-CRD). Receiver operating curve (ROC) analysis was performed to evaluate the optimal cut-off PAR.

Results: A total of 7,646 patients were finally included in the present study. The optimal cut-off value of PAR was 7.2. The high-PAR group was associated with pAKI (hazard ratio [HR]: 3.25, 95% CI: 2.85-3.72, P < 0.001). We also performed this in the validation cohort, the results further confirmed that the high-PAR group was associated with pAKI (HR: 2.24, 95% CI: 1.86-2.71, P < 0.001). The PAR exhibited good pAKI predictive abilities in the original cohort (C-index: 0.726, 95%CI: 0.714-0.739) and in the validation cohort (C-index: 0.744, 95%CI:0.722-0.766) Moreover, as a systemic inflammatory indicator, PAR depicted better predictive ability compared to other systemic inflammatory indicators.

Conclusion: The present study manifested that elevated PAR could predicts pAKI in patients admitted to ICU. PAR may be an easily obtained and useful biomarker to clinicians for the early identification of pAKI.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10354882PMC
http://dx.doi.org/10.1186/s12871-023-02137-6DOI Listing

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