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Genetic susceptibility for atrial fibrillation in patients undergoing atrial fibrillation ablation.
Circ.-Arrhythmia Electrophysiol. 13:e007676 (2020)
Background:Ablation is a widely used therapy for atrial fibrillation (AF); however, arrhythmia recurrence and repeat procedures are common. Studies examining surrogate markers of genetic susceptibility to AF, such as family history and individual AF susceptibility alleles, suggest these may be associated with recurrence outcomes. Accordingly, the aim of this study was to test the association between AF genetic susceptibility and recurrence after ablation using a comprehensive polygenic risk score for AF.Methods:Ten centers from the AF Genetics Consortium identified patients who had undergone de novo AF ablation. AF genetic susceptibility was measured using a previously described polygenic risk score (N=929 single-nucleotide polymorphisms) and tested for an association with clinical characteristics and time-to-recurrence with a 3 month blanking period. Recurrence was defined as >30 seconds of AF, atrial flutter, or atrial tachycardia. Multivariable analysis adjusted for age, sex, height, body mass index, persistent AF, hypertension, coronary disease, left atrial size, left ventricular ejection fraction, and year of ablation.Results:Four thousand two hundred seventy-six patients were eligible for analysis of baseline characteristics and 3259 for recurrence outcomes. The overall arrhythmia recurrence rate between 3 and 12 months was 44% (1443/3259). Patients with higher AF genetic susceptibility were younger (P<0.001) and had fewer clinical risk factors for AF (P=0.001). Persistent AF (hazard ratio [HR], 1.39 [95% CI, 1.22-1.58]; P<0.001), left atrial size (per cm: HR, 1.32 [95% CI, 1.19-1.46]; P<0.001), and left ventricular ejection fraction (per 10%: HR, 0.88 [95% CI, 0.80-0.97]; P=0.008) were associated with increased risk of recurrence. In univariate analysis, higher AF genetic susceptibility trended towards a higher risk of recurrence (HR, 1.08 [95% CI, 0.99-1.18]; P=0.07), which became less significant in multivariable analysis (HR, 1.06 [95% CI, 0.98-1.15]; P=0.13).Conclusions:Higher AF genetic susceptibility was associated with younger age and fewer clinical risk factors but not recurrence. Arrhythmia recurrence after AF ablation may represent a genetically different phenotype compared to AF susceptibility.
Impact Factor
Scopus SNIP
Altmetric
4.393
2.096
Anmerkungen
Besondere Publikation
Auf Hompepage verbergern
Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Atrial Fibrillation ; Genetic Variation ; Genetics ; Phenotype ; Pulmonary Veins; Catheter Ablation; Family-history; Recurrence; Association; Variants; Common; Risk; Metaanalysis; Expression; Prevention
Sprache
englisch
Veröffentlichungsjahr
2020
HGF-Berichtsjahr
2020
ISSN (print) / ISBN
1941-3149
e-ISSN
1941-3084
Zeitschrift
Circulation: Arrhythmia and Electrophysiology
Quellenangaben
Band: 13,
Heft: 3,
Artikelnummer: e007676
Verlag
Lippincott Williams & Wilkins
Verlagsort
Two Commerce Sq, 2001 Market St, Philadelphia, Pa 19103 Usa
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Genetic Epidemiology (IGE)
POF Topic(s)
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
Forschungsfeld(er)
Genetics and Epidemiology
PSP-Element(e)
G-504100-001
WOS ID
WOS:000528039000002
Scopus ID
85082093298
PubMed ID
32078373
Erfassungsdatum
2020-05-08