Abstract:
:The nonsynonymous SCN10A single nucleotide polymorphism (SNP) rs6795970 has been reported to associate with PR interval and atrial fibrillation (AF) and in strong linkage disequilibrium (LD) with the AF-associated SNP rs6800541. In this study, we investigated whether rs6795970 polymorphisms are associated with AF recurrence after catheter ablation. A total of 502 consecutive patients with AF who underwent catheter ablation were included. AF recurrence was defined as a documented episode of any atrial arrhythmias lasting ≥30 s after a blanking period of 3 months. AF recurrence was observed between 3 and 12 months after catheter ablation in 24.5% of the patients. There was a significant difference in the allele distribution (p = 7.86 × 10-5) and genotype distribution (p = 1.42 × 10-5) of rs6795970 between the AF recurrence and no recurrence groups. In a multivariate analysis, we identified the following independent predictors of AF recurrence: the rs6795970 genotypes in an additive model (OR 0.36, 95%CI 0.22~0.60, p = 7.04 × 10-5), a history of AF ≥36 months (OR 3.57, 95%CI 2.26~5.63, p = 4.33 × 10-8) and left atrial diameter (LAD) ≥40 mm (OR 1.85, 95%CI 1.08~3.19, p = 0.026). These data suggest that genetic variation in SCN10A may play an important role in predicting AF recurrence after catheter ablation in the Chinese Han population.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Wu H,Xu J,Chen S,Zhou G,Qi B,Wei Y,Hu E,Tang D,Chen G,Li H,Zhao L,Shi Y,Liu Sdoi
10.1038/srep44003subject
Has Abstractpub_date
2017-03-10 00:00:00pages
44003issn
2045-2322pii
srep44003journal_volume
7pub_type
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