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Cardiac troponin T in forensic autopsy cases

S Remmer1, A Kuudeberg, M Tõnisson

  • 1Institute of Pathological Anatomy and Forensic Medicine, University of Tartu, Ravila 19, 50411 Tartu, Estonia; Estonian Forensic Science Institute, Tervise 30, 13419 Tallinn, Estonia.

Forensic Science International
|December 10, 2013
PubMed

Insights

Postmortem cardiac troponin T (cTnT) levels in serum and pericardial fluid can help distinguish cardiovascular deaths from other causes like poisoning or drowning. The postmortem interval (PMI) and cardiovascular disease influence these findings.

Area of Science:

  • Forensic Pathology
  • Biochemistry
  • Toxicology

Background:

  • Cardiac troponin T (cTnT) is a biomarker for myocardial injury.
  • Understanding postmortem cTnT levels is crucial for determining cause of death.
  • Factors like postmortem interval (PMI) and comorbidities can affect biomarker stability.

Purpose of the Study:

  • To analyze postmortem serum and pericardial fluid cTnT levels across diverse causes of death.
  • To investigate the influence of PMI and comorbid cardiovascular disease (CVD) on postmortem cTnT.
  • To assess the utility of cTnT in differentiating cardiovascular deaths from other causes.

Main Methods:

  • Analysis of 101 autopsy cases with PMI ranging from 8 to 141 hours.
  • Categorization of cases into 9 groups: CVD, other diseases, poisoning, asphyxia, drowning, hypothermia, thoracic trauma, other trauma, and fire fatalities.
  • Measurement of cTnT in serum and pericardial fluid.

Main Results:

  • cTnT levels showed potential in differentiating cardiovascular deaths from poisoning and non-thoracic trauma.
  • cTnT levels could also distinguish cardiovascular/other diseases from drowning and hypothermia.
  • The influence of PMI on cTnT levels was significant, unlike comorbid cardiovascular disease.

Conclusions:

  • Postmortem cTnT analysis is a valuable tool in forensic investigations.
  • cTnT can aid in distinguishing cardiovascular causes of death, especially when considering PMI.
  • Further research is warranted to establish definitive cut-off values for different causes of death.

Keywords:
BloodCardiac troponin TPericardial fluidPostmortem biochemistry

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