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Epidemiology of Sudden Cardiac Death: Global and Regional Perspectives

Christopher X Wong1, Alex Brown2, Dennis H Lau1

  • 1Centre for Heart Rhythm Disorders (CHRD), University of Adelaide and the Royal Adelaide Hospital, Adelaide, SA, Australia; South Australian Health and Medical Research Institute, Adelaide, SA, Australia.

Heart, Lung & Circulation
|November 29, 2018
PubMed

Insights

Sudden cardiac death (SCD) is a major cause of mortality, with poor survival rates after cardiac arrest. More global data is needed, especially from low-income countries, to improve understanding and outcomes.

Area of Science:

  • Cardiology
  • Public Health
  • Epidemiology

Background:

  • Sudden cardiac death (SCD) accounts for roughly half of all cardiovascular disease deaths.
  • Survival rates after sudden cardiac arrest remain critically low.
  • While coronary heart disease is a primary cause, research is expanding into risk factors, cardiomyopathies, and arrhythmias.

Purpose of the Study:

  • To highlight the global disparities in sudden cardiac death research.
  • To emphasize the need for more data from underrepresented regions, particularly low- and middle-income countries.

Main Methods:

  • Review of existing global literature on sudden cardiac death.
  • Analysis of data availability across different income-level countries.

Main Results:

  • Significant data on SCD exists from North America, Europe, and Japan.
  • Data from low- and middle-income countries is notably scarce.

Conclusions:

  • There is a critical need to expand SCD research globally.
  • Addressing data gaps in underrepresented regions is essential for improving worldwide outcomes.

Keywords:
EpidemiologySudden cardiac deathSudden deathVentricular arrhythmia

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