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Evaluating troponin elevation in patients with chronic kidney disease and suspected acute coronary syndrome

Lorenzo Braghieri1, Osamah Z Badwan2, Warren Skoza2

  • 1Department of Internal Medicine, Cleveland Clinic, Cleveland, OH braghil@ccf.org.

Cleveland Clinic Journal of Medicine
|August 1, 2023
PubMed

Insights

Diagnosing acute coronary syndrome in chronic kidney disease patients with elevated troponin is challenging. This review offers insights into troponin elevation and a diagnostic algorithm for risk stratification.

Area of Science:

  • Cardiology
  • Nephrology
  • Clinical Diagnostics

Background:

  • Chronic kidney disease (CKD) frequently presents with elevated cardiac troponin.
  • Distinguishing troponin elevation due to CKD from acute coronary syndrome (ACS) is diagnostically challenging.

Purpose of the Study:

  • To review diagnostic challenges of ACS in CKD patients.
  • To describe mechanisms and prognostic significance of troponin elevation in CKD.
  • To provide a diagnostic algorithm for risk stratification.

Main Methods:

  • Literature review of diagnostic challenges.
  • Analysis of troponin elevation mechanisms and prognostic implications in CKD.
  • Development of a risk stratification algorithm.

Main Results:

  • Elevated troponin in CKD complicates ACS diagnosis.
  • Understanding troponin elevation mechanisms is crucial for interpretation.
  • A structured diagnostic approach aids risk stratification.

Conclusions:

  • CKD poses unique challenges for ACS diagnosis due to troponin elevation.
  • The proposed algorithm assists in managing CKD patients with suspected ACS.
  • Accurate risk stratification improves patient outcomes.

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