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Original Articles

Gastroesophageal reflux disease in patients with rheumatoid arthritis

, , &
Pages 291-295 | Received 25 Jan 2013, Accepted 27 Apr 2013, Published online: 05 Nov 2013
 

Abstract

Objective. Patients with rheumatoid arthritis (RA) are frequently complicated with gastric mucosal injury; however, there are few reports investigating gastroesophageal reflux disease (GERD) among patients with RA. We investigated the frequency of GERD and the correlation between GERD and the clinical characteristics of RA including patient's global assessment (PGA).

Methods. Patients with RA were investigated for GERD using self-administered frequency scale for the symptoms of GERD (FSSG). The correlation between GERD and the clinical characteristics of RA was analyzed statistically.

Results. Two hundred and eleven patients in Japan were investigated. The prevalence of GERD among patients with RA (24.6%) was significantly higher than that in the Japanese population (11.5%) (p < 0.001). FSSG was positively correlated with modified health assessment questionnaire (mHAQ), PGA, evaluator's global assessment (EGA) (p < 0.001), disease activity score (DAS)28-erythrocyte sedimentation rate (ESR) (p < 0.05), DAS28-C-reactive protein (CRP), simplified disease activity index (SDAI) and clinical disease activity index (CDAI) (p < 0.001). The patients with GERD showed significantly higher scores in mHAQ, PGA, EGA, tenderness joint count, DAS28-ESR, DAS28-CRP, SDAI and CDAI (p < 0.001). Furthermore, the patients with GERD showed lower remission rates based on DAS28-ESR (p < 0.05), DAS28-CRP, SDAI and CDAI (p < 0.001).

Conclusion. GERD complicated with RA increases PGA and the indices of disease activity. GERD symptoms analyzed using FSSG may be desirable to avoid the overestimation as part of the total management of patients with RA.

Acknowledgements

The authors thank to the patients who participated in this study.

Declaration of interest

The authors have no conflict of interest and certify this to be true and original work.

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