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The relationship between hyperuricemia and contrast-induced acute kidney injury undergoing primary percutaneous

Wei Guo1,2, Feier Song1, Shiqun Chen1

  • 1Department of Cardiology, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China.

Trials
|June 26, 2020
PubMed

Insights

Hyperuricemia may predict contrast-induced acute kidney injury (CI-AKI) and worse outcomes in ST-segment elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary intervention (pPCI). This finding suggests potential benefits from lowering serum uric acid levels.

Area of Science:

  • Cardiology
  • Nephrology
  • Biochemistry

Background:

  • Contrast-induced acute kidney injury (CI-AKI) is a complication of primary percutaneous coronary intervention (pPCI).
  • Hyperuricemia, a condition of elevated serum uric acid (SUA) levels, is common and may impact cardiovascular outcomes.
  • The predictive role of hyperuricemia for CI-AKI and subsequent outcomes in pPCI patients requires further investigation.

Purpose of the Study:

  • To assess whether hyperuricemia independently predicts CI-AKI in patients with ST-segment elevation myocardial infarction (STEMI) undergoing pPCI.
  • To evaluate the association between hyperuricemia and long-term mortality in this patient cohort.
  • To explore the potential clinical implications of managing SUA levels in patients undergoing pPCI.

Main Methods:

  • Secondary analysis of the ATTEMPT study database, including 560 STEMI patients undergoing pPCI.
  • Patients categorized into hyperuricemia (SUA >7 mg/dL in males, >6 mg/dL in females) and normouricemia groups.
  • Multivariate logistic and Cox regression analyses used to determine CI-AKI and long-term mortality predictors.

Main Results:

  • The study aims to determine the predictive value of hyperuricemia for CI-AKI development.
  • It is hypothesized that hyperuricemia will be associated with an increased risk of CI-AKI.
  • Long-term mortality is predicted to be higher in hyperuricemic patients post-pPCI, even after adjusting for confounders.

Conclusions:

  • This study will elucidate the predictive significance of hyperuricemia for CI-AKI and patient outcomes following pPCI.
  • Findings may support the hypothesis that hyperuricemia is an independent risk factor for CI-AKI and adverse long-term outcomes.
  • Results could provide evidence for interventions targeting SUA levels to improve CI-AKI and mortality rates in STEMI patients undergoing pPCI.
Abstract

Keywords:
Contrast-induced acute kidneyHyperuricemiaPrimary percutaneous coronary interventionST-segment elevation myocardial infarction

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