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Application of Targeted Coronary Angiography in the Diagnosis of Sudden Cardiac Death

Xin Zhao1,2, Zhi-Ming Chen1,2, Wen-Yun Liu3

  • 1Department of Forensic Medicine, College of Basic Medical Sciences, Jilin University, Changchun 130021, China.

Fa Yi Xue Za Zhi
|January 16, 2024
PubMed

Insights

Postmortem computed tomography angiography (PMCTA) effectively diagnoses coronary artery stenosis in sudden cardiac death cases. This imaging technique shows high concordance with traditional autopsy, aiding in forensic investigations.

Area of Science:

  • Forensic Pathology
  • Cardiovascular Imaging
  • Radiology

Background:

  • Sudden cardiac death (SCD) often necessitates detailed postmortem examination.
  • Diagnosing coronary artery stenosis (CAS) is crucial in SCD investigations.
  • Traditional autopsy methods may have limitations in visualizing coronary anatomy.

Purpose of the Study:

  • To evaluate the diagnostic accuracy of postmortem computed tomography angiography (PMCTA) for coronary artery stenosis.
  • To determine the utility of PMCTA in cases of sudden cardiac death.
  • To compare PMCTA findings with conventional autopsy and histopathology.

Main Methods:

  • Six postmortem cases were analyzed.
  • Iohexol contrast medium was injected via femoral artery using a 5F pigtail catheter for targeted coronary angiography.
  • Coronary imaging data and coronary artery calcium score (CaS) were compared with autopsy and histopathology.

Main Results:

  • PMCTA showed an 83.3% concordance rate with autopsy and histopathology for diagnosing coronary artery stenosis.
  • Targeted coronary angiography effectively visualized coronary artery disease.
  • Coronary artery calcium score (CaS) results were consistent with conventional findings.

Conclusions:

  • PMCTA serves as an effective auxiliary tool for conventional autopsy in sudden cardiac death investigations.
  • PMCTA provides valuable insights into coronary artery pathology postmortem.
  • This imaging modality enhances the diagnostic capabilities in forensic cardiology.
Abstract

Keywords:
5F pigtail cathetercoronary angiographycoronary artery calcium score (CaS)coronary heart diseaseforensic pathologypostmortem computed tomography angiography (PMCTA)sudden death

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