Increased level of high-sensitivity cardiac Troponin T in a geriatric population is determined by comorbidities

Seyed Mahdi Sedighi1,2, Patrick Prud'Homme3, Ahmed Ghachem1

  • 1Program of Gerontology, Faculty of Medicine, University of Sherbrooke, Canada.

Insights

Elevated high-sensitivity cardiac troponin T (hs-cTnT) in older adults is linked to existing comorbidities, not just aging. Always investigate the cause of increased hs-cTnT in the elderly.

Area of Science:

  • Cardiology
  • Geriatrics
  • Biomarkers

Background:

  • Elevated high-sensitivity cardiac troponin T (hs-cTnT) in the elderly is often viewed as age-related.
  • This interpretation challenges clinical assessment in geriatric patients without acute myocardial infarction (AMI).

Purpose of the Study:

  • To investigate the influence of aging on hs-cTnT levels in elderly individuals.
  • To determine the association between comorbidities and hs-cTnT in patients without acute cardiac events.

Main Methods:

  • Retrospective analysis of 6977 medical records of patients aged 65 years and older.
  • Stratification based on age, hs-cTnT levels, and the number of comorbidities.
  • Data collected included sociodemographic and clinical information.

Main Results:

  • Increased hs-cTnT likelihood correlated with the presence of comorbidities, irrespective of their quantity.
  • Advanced age and comorbidities were statistically significant predictors of elevated hs-cTnT.
  • The adjusted odds ratio for comorbidities was clinically more relevant than for advanced age.

Conclusions:

  • Pre-existing comorbidities, rather than age alone, are associated with elevated hs-cTnT in the elderly.
  • Increased hs-cTnT levels in older adults should be considered pathological.
  • Further investigation is warranted to identify the specific etiology of elevated hs-cTnT in this population.

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