Exploring the causal association of rheumatoid arthritis with atrial fibrillation: a Mendelian randomization study

  • Published on 17/11/2023
  •  Reading time: 8 min.

Jia-cheng Rong 1 , Xu-dong Chen 1 , Jun Hong   1 ,2  

1 Cardiovascular Department, Ningbo Hangzhou Bay Hospital, Hangzhou Bay New Area, Ningbo, Zhejiang, China
2 Cardiovascular Department, Ningbo Hospital of Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China


Background It has been proved that rheumatoid arthritis (RA) patients have high incidence of atrial fibrillation (AF). Nevertheless, whether they have causal relevance is uncertain. This study aimed to explore and verify the authenticity of causal relationship between RA and AF using Mendelian randomization (MR).
Methods The genome-wide association study (GWAS) summary data from Biobank Japan Project (BBJ) (RA, 4199 cases and 208,254 controls) were regarded...


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