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Updated: Mar 19, 2026

Determining the Likelihood of Variant Pathogenicity Using Amino Acid-level Signal-to-Noise Analysis of Genetic Variation
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Determining the Likelihood of Variant Pathogenicity Using Amino Acid-level Signal-to-Noise Analysis of Genetic Variation

Published on: January 16, 2019

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Is There a Role for Genetics in the Prevention of Sudden Cardiac Death?

Alessandro Faragli1, Katherine Underwood1, Silvia G Priori2,3

  • 1Molecular Cardiology, IRCCS Salvatore Maugeri Foundation, Pavia, Italy.

Journal of Cardiovascular Electrophysiology
|June 10, 2016
PubMed

Insights

Identifying patients at risk for sudden cardiac death (SCD) is crucial. Genetics offers potential for prevention in both acquired heart diseases and inherited arrhythmia syndromes like long-QT syndrome (LQTS).

Area of Science:

  • Cardiology
  • Genetics
  • Preventive Medicine

Background:

  • Sudden cardiac death (SCD) risk identification is vital for acquired cardiovascular diseases (CAD) and inherited arrhythmia syndromes (e.g., long-QT syndrome, LQTS).
  • Genetics plays a role in SCD risk for both disease types, but its utility for prevention differs.
  • While preliminary data link genetics to SCD risk in acquired diseases, its impact is maximal in inherited syndromes.

Purpose of the Study:

  • To review current genetic knowledge regarding SCD risk.
  • To discuss the present and future applications of genetic information for SCD prevention.
  • To compare the genetic basis and prevention strategies for acquired versus inherited cardiac conditions.

Main Methods:

  • Literature review of genetic associations with sudden cardiac death.
  • Analysis of genotype-phenotype correlations in inherited arrhythmia syndromes.
  • Evaluation of genetic data's applicability in preventing sudden cardiac death.

Main Results:

  • Genetics shows promise in identifying SCD risk in acquired cardiovascular diseases.
  • Genetics is highly effective in inherited arrhythmia syndromes, enabling genotype-phenotype correlations.
  • The utility of genetic information for SCD prevention is more established in inherited conditions.

Conclusions:

  • Genetic insights are fundamental for risk stratification in sudden cardiac death.
  • Exploiting genetic knowledge offers significant potential for preventing SCD in both acquired and inherited cardiovascular diseases.
  • Further research into genetic markers can enhance personalized prevention strategies for sudden cardiac death.

Keywords:
acquired cardiovascular diseasesgenetic testinginherited arrhythmia syndromespreventive strategiessudden cardiac death

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