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Updated: Jul 26, 2025

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
Published on: July 20, 2022
Genome and atrial fibrillation
1Department of Cardiovascular Medicine Hiroshima University Graduate School of Biomedical and Health Sciences Hiroshima Japan.
Insights
Genetic predisposition plays a key role in atrial fibrillation (AF), the most common heart arrhythmia. Recent genetic analyses are advancing our understanding of AF
Area of Science:
- Cardiology
- Genetics
- Medical Research
Background:
- Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia.
- AF leads to severe health issues including stroke, heart failure, cognitive decline, reduced quality of life, and increased mortality.
- Both genetic factors and clinical predispositions contribute to AF development.
Purpose of the Study:
- To review current trends in the genetic analysis of atrial fibrillation.
- To elucidate the relationship between genes and the pathogenesis and prognosis of AF.
Main Methods:
- Review of genetic studies on AF.
- Analysis of linkage studies.
- Examination of genome-wide association studies (GWAS).
- Evaluation of polygenic risk scores.
- Studies on rare coding variations.
Main Results:
- Genetic studies have significantly advanced the understanding of AF.
- Various genetic approaches are progressively clarifying the genetic underpinnings of AF.
- The interplay between genetic variations and AF development is becoming clearer.
Conclusions:
- Genetic analysis is crucial for understanding AF.
- Continued research in AF genetics promises to improve diagnosis and treatment.
- Genetic insights are vital for managing AF pathogenesis and prognosis.
Abstract:
Atrial fibrillation (AF), the most common type of arrhythmia, can cause several adverse effects, such as stroke, heart failure, and cognitive dysfunction, also in addition to reducing quality of life and increasing mortality. Evidence suggests that AF is caused by a combination of genetic and clinical predispositions. In line with this, genetic studies on AF have progressed significantly through linkage studies, genome-wide association studies, use of polygenic risk scores, and studies on rare coding variations, gradually elucidating the relationship between genes and the pathogenesis and prognosis of AF. This article will review current trends in genetic analysis concerning AF.
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