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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2025, Vol. 19 ›› Issue (02): 193-199. doi: 10.3877/ cma.j.issn.1674-134X.2025.02.009

• BASIC RESEARCHES • Previous Articles    

Mendelian randomization explored causal associations between immune diseases and artificial joint reoperation

Yanji Shi1, Lei Zhang2, Ningbo Lei2, Ruilong Chang2, Ning Zuo2, Yubiao Gu2,()   

  1. 1. Gansu University of Chinese Medicine, Lanzhou 730000, China
    2. Department of Joint and Orthopedics III, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou 730000, China
  • Received:2024-04-13 Online:2025-04-01 Published:2025-06-17
  • Contact: Yubiao Gu

Abstract:

Objective

To explore the causal association between immune diseases and artificial joint reoperation using Mendelian randomization analysis.

Methods

Through screening public data from nonoverlapping genome-wide association studies, the exposure factors were inflammatory bowel disease, psoriasis,rheumatoid arthritis, multiple sclerosis, systemic lupus erythematosus, and the outcome factors were resurgery for artificial joints. inverse variance weighted (IVW) method was adopted as the main analysis method to evaluate the causal effect in this study. The Mendel randomization-Egger method (MR-Egger), weighted median method, weighted mode model and simple mode were used as supplementary methods, and the sensitivity analysis was carried out.

Results

IVW estimates suggested that psoriasis is a risk factor for reoperation of artificial joints[OR=1.12,95%CI (1.01,1.25), P=0.026]. There was no statistically significant occurrence of inflammatory bowel disease, rheumatoid arthritis, multiple sclerosis, systemic lupus erythematosus, or artificial joint reoperation in this study (all P>0.05).

Conclusion

There is a causal association between psoriasis and artificial joint reoperation that may increase the risk of artificial joint reoperation.

Key words: Mendelian randomization analysis, Immune system diseases, Arthroplasty,replacement

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