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Atrial Fibrillation Genetics Update: Toward Clinical Implementation

Silje Madeleine Kalstø1, Joylene Elisabeth Siland2, Michiel Rienstra2

  • 1Department of Medical Research, Bærum Hospital, Vestre Viken Hospital Trust, Rud, Norway.

Frontiers in Cardiovascular Medicine
|September 26, 2019
PubMed

Insights

Atrial fibrillation (AF) is a common heart rhythm disorder with serious consequences. Genetic factors play a significant role, and understanding AF genetics aids clinical decision-making.

Area of Science:

  • Cardiology
  • Genetics
  • Molecular Biology

Background:

  • Atrial fibrillation (AF) is the most prevalent heart rhythm disorder globally.
  • AF significantly increases the risk of stroke, dementia, heart failure, and mortality.
  • Established clinical risk predictors include male sex, advanced age, and hypertension.

Purpose of the Study:

  • To provide an overview of the genetics of atrial fibrillation.
  • To guide clinicians in interpreting genetic advances for AF prediction and management.
  • To explore the role of genetics in understanding AF mechanisms and patient-specific care.

Main Methods:

  • Review of current literature on AF genetics.
  • Analysis of genetic variants associated with AF.
  • Discussion of polygenic risk scoring and its application.
  • Exploration of genetic insights into AF pathophysiology.

Main Results:

  • A substantial genetic component underlies AF development.
  • Recent discoveries have accelerated the identification of novel AF-related genetic variants.
  • Genetics offers potential for improved risk prediction and targeted therapies for AF.

Conclusions:

  • Interpreting the role of genetics in AF prediction and management remains challenging for clinicians.
  • Advances in AF genetics are crucial for developing personalized treatment strategies.
  • Further research is needed to integrate genetic findings into routine clinical practice for AF patients.

Keywords:
atrial fibrillationgeneticsgenome-wide association studies (GWAS)heritabilitypersonalized medicineprecision medicinerisk factorswhole genome sequencing

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