Key result
Early-onset AF links to Alström syndrome, supporting genetic testing in young patients without typical risk factors.
Why the study?
Early-onset atrial fibrillation has been recognized as a potential manifestation of inherited cardiovascular disease, but its association with rare syndromes like Alström syndrome is not well characterized.
Case Report (n=1)
Early-onset atrial fibrillation can be a manifestation of inherited conditions like Alström syndrome, highlighting the utility of genetic testing in young patients presenting with AF.
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Supports genetic evaluation in early-onset AF; reinforces consensus but leaves routine adoption open pending larger studies.
Although atrial fibrillation (AF) is common in older adults, early-onset AF has recently been recognized as a potential manifestation of inherited cardiovascular disease, including cardiomyopathies and inherited arrhythmia syndromes 1. Recent genetic studies have demonstrated that pathogenic variants associated with cardiomyopathy and arrhythmia syndromes are present in a subset of younger patients with AF 1, 2. Reflecting these findings, the 2023 ACC/AHA/ACCP/HRS guideline states that genetic counseling and genetic testing may be reasonable in patients with AF onset before 45 years of age without obvious risk factors 3.
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Higashi et al. (2026) conducted a case report in Early-onset atrial fibrillation and Alström syndrome (n=1). Early-onset atrial fibrillation was identified as a potential manifestation of Alström syndrome, highlighting the role of genetic testing in younger patients without obvious risk factors.
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