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Zwolle risk score predicts contrast-induced acute kidney injury in STEMI patients undergoing PCI

S Kul1, H Uyarel, O T Kucukdagli

  • 1Faculty of Medicine, Cardiology Department, Bezmialem Vakif University, Adnan Menderes Bulvarı (Vatan cad.), 34093, Istanbul, Turkey, doktorseref@hotmail.com.

Herz
|March 11, 2014
PubMed

Insights

The Zwolle score better predicts contrast-induced acute kidney injury (CI-AKI) in ST-elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary intervention (PCI). This score aids in early risk stratification for CI-AKI in the catheterization lab.

Area of Science:

  • Cardiology
  • Nephrology
  • Interventional Cardiology

Background:

  • Contrast-induced acute kidney injury (CI-AKI) is a significant complication following primary percutaneous coronary intervention (PCI) in patients with acute ST-elevation myocardial infarction (STEMI).
  • The Mehran risk score, developed for elective PCI, has been used to predict CI-AKI, but its efficacy in acute STEMI settings requires further evaluation.
  • Risk stratification is crucial for managing CI-AKI in STEMI patients undergoing primary PCI.

Purpose of the Study:

  • To evaluate the predictive performance of the Zwolle score for CI-AKI in patients with acute STEMI undergoing primary PCI.
  • To compare the predictive accuracy of the Zwolle score against the Mehran risk score for CI-AKI in this specific patient population.
  • To determine the utility of the Zwolle score for real-time risk stratification in the catheterization laboratory.

Main Methods:

  • A retrospective analysis of 314 consecutive patients with acute STEMI undergoing primary PCI was conducted.
  • Patients were categorized into two groups based on the development of CI-AKI.
  • The Mehran score, Zwolle score, baseline characteristics, and in-hospital outcomes were collected and analyzed.

Main Results:

  • Patients who developed CI-AKI exhibited significantly higher Mehran and Zwolle scores compared to those without CI-AKI.
  • Receiver operating characteristic (ROC) curve analysis demonstrated high predictive values for both scores, with the Zwolle score showing a slightly higher area under the curve (AUC) of 0.85 versus 0.79 for the Mehran score.
  • A Zwolle score greater than 2 predicted CI-AKI with 76.3% sensitivity and 75.4% specificity, while a Mehran score greater than 5 predicted CI-AKI with 71.1% sensitivity and 73.6% specificity.

Conclusions:

  • The Zwolle score demonstrates slightly superior predictive capability for CI-AKI compared to the Mehran score in STEMI patients undergoing primary PCI.
  • The Zwolle score is a simple and effective tool for immediate risk stratification of CI-AKI development within the catheterization laboratory setting.
  • Implementing the Zwolle score can aid clinicians in identifying high-risk patients and potentially implementing preventive strategies for CI-AKI.
Abstract

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