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Scand Cardiovasc J. 2011 Dec;45(6):324-6. doi: 10.3109/14017431.2011.594081. Epub 2011 Jul 27.

Association of rs2200733 at 4q25 with early onset of lone atrial fibrillation in young patients.

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  • 1Department of Cardiology, The Heart Centre, Rigshospitalet, University of Copenhagen, Denmark.



Genome wide association studies have shown an association between rs2200733 at 4q25 and atrial fibrillation (AF). In this case-control study we investigate the association of rs2200733 and lone AF in young patients.


We included 196 young patients with lone AF and the first episode before the age of 40 years. We analyzed the single nucleotide polymorphism (SNP) rs2200733 for the lone AF patients and compared them to a control group of 176 age matched healthy individuals.


No significant differences, in neither genotype distribution, nor minor allele frequencies were found between the lone AF patients and the healthy controls.


Our results suggest that the rs220733 is not a risk factor for AF in patients with no other cardiovascular disease and with early onset of the arrhythmia.

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