Role of risk stratification and genetics in sudden cardiac death

Vikrant Rai, Devendra K. Agrawal

Research output: Contribution to journalReview article

4 Citations (Scopus)

Abstract

Sudden cardiac death (SCD) is a major public health issue due to its increasing incidence in the general population and the difficulty in identifying high-risk individuals. Nearly 300 000–350 000 patients in the United States and 4–5 million patients in the world die annually from SCD. Coronary artery disease and advanced heart failure are the main etiology for SCD. Ischemia of any cause precipitates lethal arrhythmias, and ventricular tachycardia and ventricular fibrillation are the most common lethal arrhythmias precipitating SCD. Pulseless electrical activity, bradyarrhythmia, and electromechanical dissociation also result in SCD. Most SCDs occur outside of the hospital setting, so it is difficult to estimate the public burden, which results in overestimating the incidence of SCD. The insufficiency and limited predictive value of various indicators and criteria for SCD result in the increasing incidence. As a result, there is a need to develop better risk stratification criteria and find modifiable variables to decrease the incidence. Primary and secondary prevention and treatment of SCD need further research. This critical review is focused on the etiology, risk factors, prognostic factors, and importance of risk stratification of SCD.

Original languageEnglish (US)
Pages (from-to)225-238
Number of pages14
JournalCanadian Journal of Physiology and Pharmacology
Volume95
Issue number3
DOIs
StatePublished - 2016

Fingerprint

Sudden Cardiac Death
Incidence
Cardiac Arrhythmias
Ventricular Fibrillation
Primary Prevention
Bradycardia
Ventricular Tachycardia
Secondary Prevention
Coronary Artery Disease
Ischemia
Heart Failure
Public Health

All Science Journal Classification (ASJC) codes

  • Medicine(all)
  • Physiology
  • Pharmacology
  • Physiology (medical)

Cite this

Role of risk stratification and genetics in sudden cardiac death. / Rai, Vikrant; Agrawal, Devendra K.

In: Canadian Journal of Physiology and Pharmacology, Vol. 95, No. 3, 2016, p. 225-238.

Research output: Contribution to journalReview article

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