alexa Changes of the Incidence of falls in Patients with Rheu
ISSN: 2161-1149

Rheumatology: Current Research
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Research Article

Changes of the Incidence of falls in Patients with Rheumatoid Arthritis after Orthopaedic Lower Limb Surgery

Kengo Harigane1*, Yuichi Mochida2, Katsushi Ishii2, Naoto Mitsugi3, Yutaka Inaba1 and Tomoyuki Saito1

1Department of Orthopaedic Surgery, Yokohama City University School of Medicine, Yokohama, Japan

2Center for Rheumatic Diseases, Yokohama City University Medical Center, Yokohama, Japan

3Department of Orthopaedic Surgery, Yokohama City University Medical Center, Yokohama, Japan

*Corresponding Author:
Kengo Harigane, MD
Department of Orthopaedic Surgery
Yokohama City University School of Medicine
3-9 Fukuura, Kanazawa-ku, Yokohama, Kanagawa, Japan
Tel: +81-45-787-2800
E-mail: [email protected]

Received date: October 22, 2015; Accepted date: November 02, 2015; Published date: November 04, 2015

Citation: Harigane K, Mochida Y, Ishii K, Mitsugi N, Inaba Y, et al. (2015) Changes of the Incidence of falls in Patients with Rheumatoid Arthritis after Orthopaedic Lower Limb Surgery. Rheumatology (Sunnyvale) 5:175. doi: 10.4172/2161-1149.1000175

Copyright: © 2015 Harigane K, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Introduction: Orthopaedic lower limb surgeries are often performed for joint pain or destruction in rheumatoid arthritis (RA), however, there were few studies for incidences and risk factors of falls after lower limb surgeries in RA. The aim of current study was to examine the incidences of falls and to analyze the risk factors for falls in patients with RA after lower limb surgeries. Methods: Self-reported questionnaires were completed by 141 patients. The incidence of falls in patients who underwent lower limb surgeries (71 cases, 1 surgery) were compared to patients with no history of surgery. Results: The incidence rate of falls in surgery group was significantly fewer when compared to no-surgery group (9.8% vs. 38.6%, p<0.01). Among the patients with history of surgery, DAS 28-CRP (4) and tender joint counts were significantly higher in the fall group than in the no-fall group. After the surgery, the frequency of falls decreased in 30% of the patients. Walking ability improved in 34% of the patients after surgery. Tender joint counts and DAS28- CRP(4) were significant risk factors for falls, on the other hand, the history of lower limb surgery was protective factor against falls (OR 0.04, p<0.01). Conclusion: The walking ability clearly improved after surgery in one third of the patients, which may resulted in decreased incidence of falls. Several patients had high disease activity even after surgery, which may be the reason why the frequency of falls increased in 6% of the patients after surgery.

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