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Comparison of Outcome in Patients With Familial Versus Spontaneous Atrial Septal Defect

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Vis graf over relationer

Patients with atrial septal defects (ASDs) have increased mortality and morbidity. This can only partly be explained by hemodynamic changes caused by the ASD, suggesting additional underlying causes. Patients with an ASD have an increased burden of pathogenic gene variants in ASD-related genes, indicating genetics as an important factor in etiology. Inheritance of genetic variants with high impact can cause ASD in relatives (familial ASD). This study aimed to investigate whether lifelong outcomes were different in patients with familial ASD compared with patients with sporadic ASD. We used health registries and a nationwide cohort of 2,151 patients with ASD to compare the incidences of atrial fibrillation or flutter (together abbreviated as AF), heart failure, and mortality between patients with familial and sporadic ASD using Cox proportional hazard ratio and Fine and Gray analysis. Patients with familial ASD experienced AF and heart failure earlier in life than patients with sporadic ASD, with hazard ratios of 1.6 and 1.7, respectively. Subdistribution hazard ratios showed an increased risk of AF and heart failure in patients with familial ASD compared with patients with sporadic ASDs (2.3 and 3.1, respectively). Our results suggest that genetic variants with high impact may influence the outcomes of patients with ASD. In conclusion, patients with familial ASD have an increased risk and an earlier onset of AF and heart failure compared with patients with sporadic ASD, hence clinical awareness of arrhythmias and heart failure in patients with familial ASD may lead to timely treatment.

OriginalsprogEngelsk
TidsskriftThe American journal of cardiology
Vol/bind173
Sider (fra-til)128-131
Antal sider4
ISSN0002-9149
DOI
StatusUdgivet - 15 jun. 2022

Bibliografisk note

Copyright © 2022 The Author(s). Published by Elsevier Inc. All rights reserved.

ID: 79504478