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[The retrospective study of sudden cardiac death in 118 cases]

Ke He1, Jian-she Xu, Zhen-yuan Wang

  • 1Ministry of Education, Department of Forensic Science, School of Medicine of Xi'an Jiaotong University, Xi'an 710061, China. tweentycoco@sina.com

Fa Yi Xue Za Zhi
|September 28, 2007
PubMed

Insights

Sudden cardiac death (SCD) disproportionately affects males, with coronary artery disease being the leading cause. Other heart conditions like myocarditis and cardiomyopathy also contribute significantly to SCD across different age groups.

Area of Science:

  • Cardiology
  • Public Health
  • Epidemiology

Context:

  • Sudden cardiac death (SCD) represents a significant cause of mortality in adults.
  • A retrospective study analyzed 118 cases of SCD in the Shanxi region between 1998 and 2005.
  • Understanding the epidemiological profile of SCD is crucial for targeted prevention strategies.

Purpose:

  • To investigate the causes and demographic patterns of sudden cardiac death in the Shanxi area.
  • To identify the prevalence of specific cardiac conditions contributing to SCD.
  • To analyze the differences in SCD incidence between males and females and across age groups.

Summary:

  • The study revealed a 5.9:1 male-to-female ratio for sudden cardiac death.
  • Coronary artery disease was the most frequent cause (55.1%), followed by myocarditis (17.8%) and cardiomyopathy (9.3%).
  • Congenital heart disease, valvular heart disease, and aortic dissection rupture each accounted for 2.5% of cases.

Impact:

  • The findings highlight the higher risk of SCD in males and the predominant role of coronary artery disease.
  • Myocarditis and cardiomyopathy were identified as significant causes of SCD in adolescents and young adults, respectively.
  • The study underscores that cardiac diseases without apparent structural changes can pose serious health risks, necessitating further research and awareness.

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