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Cardiac troponin T in acute coronary syndrome with renal insufficiency

Huck Chin Chew1

  • 1Department of Respiratory and Critical Care Medicine, Singapore General Hospital, Outram Road, Singapore. chinnjing@pacific.net.sg

Asian Cardiovascular & Thoracic Annals
|August 2, 2008
PubMed

Insights

Elevated cardiac troponin T levels are common in chronic renal failure, complicating acute coronary syndrome diagnosis. Serial measurements are crucial for accurate diagnosis and timely intervention in these high-risk patients.

Area of Science:

  • Cardiology
  • Nephrology

Background:

  • Elevated cardiac troponin levels are common in patients with chronic renal failure.
  • This elevation complicates the diagnosis of myocardial necrosis.

Purpose of the Study:

  • To determine the prevalence of elevated serum troponin T in patients with chronic renal insufficiency.
  • To assess the diagnostic value of troponin T in acute coronary syndrome within this population.

Main Methods:

  • Retrospective cross-sectional analysis of 227 patients with chronic renal insufficiency.
  • Inclusion criteria: unstable angina, non-ST or ST-segment elevation myocardial infarction.
  • Analysis of baseline serum troponin T levels and correlation with creatinine and dialysis.

Main Results:

  • Elevated baseline troponin T was observed in 53.3% of patients.
  • Troponin T levels did not correlate with creatinine and were unaffected by dialysis.
  • Mortality after acute coronary events was high at 46.3%.

Conclusions:

  • Diagnosing acute coronary syndrome in chronic renal failure necessitates serial cardiac enzyme and electrocardiogram evaluations due to elevated baseline troponin T.
  • Early cardiac interventions are vital to reduce high mortality rates in this patient group.

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