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A new parameter in predicting contrast-induced nephropathy: Osaka prognostic score

Nail Burak Özbeyaz1, Engin Algül2

  • 1Ankara University, Faculty of Medicine, Department of Cardiology - Ankara, Turkey.

Revista Da Associacao Medica Brasileira (1992)
|August 21, 2024
PubMed

Insights

The Osaka prognostic score can predict contrast-induced nephropathy in patients undergoing percutaneous coronary intervention. A higher score indicates an increased risk of developing this complication, aiding in patient risk stratification.

Area of Science:

  • Cardiology
  • Nephrology
  • Medical Diagnostics

Background:

  • Coronary angiography and percutaneous coronary intervention (PCI) are increasingly common procedures.
  • Complications, including contrast-induced nephropathy (CIN), are rising.
  • Predictive tools for CIN are crucial for patient management.

Purpose of the Study:

  • To evaluate the prognostic importance of the Osaka prognostic score in predicting CIN development.
  • To assess the relationship between the Osaka prognostic score and CIN after PCI.

Main Methods:

  • Retrospective analysis of 1,498 patients undergoing PCI for acute coronary syndrome (2018-2023).
  • Collection of demographic and laboratory data.
  • Statistical analysis including logistic regression and ROC curve analysis.

Main Results:

  • Patients who developed CIN had a significantly higher Osaka prognostic score (2.2±0.32 vs. 0.84±0.25, p<0.001).
  • The Osaka prognostic score was an independent risk factor for CIN (OR 2.161, p<0.001).
  • Optimal cutoff score of 1.5 demonstrated high predictive accuracy (AUC 0.874, sensitivity 83.4%, specificity 65.9%).

Conclusions:

  • The Osaka prognostic score is a valuable, easily calculable tool for predicting CIN in PCI patients.
  • This score can aid clinicians in identifying high-risk individuals for CIN.
  • Early identification may facilitate preventative strategies for contrast-induced nephropathy.
Abstract

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