Genetic Variants and Atrial Fibrillation in Polish Patients
Author Information
Author(s): Kiliszek Marek, Franaszczyk Maria, Kozluk Edward, Lodzinski Piotr, Piatkowska Agnieszka, Broda Grażyna, Ploski Rafal, Opolski Grzegorz
Primary Institution: Medical University of Warsaw
Hypothesis
Do genetic variants on chromosomes 4q25, 16q22, and 1q21 correlate with atrial fibrillation in Polish patients undergoing catheter ablation?
Conclusion
Polish patients undergoing catheter ablation for atrial fibrillation have a higher frequency of specific genetic variants compared to a control group.
Supporting Evidence
- All tested polymorphisms except one were significantly associated with atrial fibrillation.
- The T allele of rs2200733 was linked to more episodes of atrial fibrillation.
- Patients with the T allele had larger pulmonary veins.
- Six out of nine haplotypes were significantly linked with atrial fibrillation.
Takeaway
This study found that certain genes are more common in people with a heart condition called atrial fibrillation, which can help doctors understand who might be at risk.
Methodology
A case-control study comparing 410 patients with atrial fibrillation to 550 healthy controls, genotyping for specific SNPs.
Limitations
The study tested many hypotheses, which may require further verification in larger studies.
Participant Demographics
Patients were Polish, aged below 70, with symptomatic atrial fibrillation; controls were matched for age, sex, and hypertension.
Statistical Information
P-Value
2.7e-27
Confidence Interval
95% CI 0.475–0.778
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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