• Takahito Suto, Koichi Okamura, Hideo Sakane, Chisa Okura, Tetsuya Kaneko, and Hirotaka Chikuda.
• Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan.
• Medicine (Baltimore). 2023 Nov 24; 102 (47): e36132e36132.

BackgroundThe influence of biological disease-modifying antirheumatic drugs (bDMARDs) on postoperative surgical site infection (SSI) and venous thromboembolism (VTE) in patients with rheumatoid arthritis (RA) has not yet been clarified.MethodsA systematic literature search was performed using PubMed, Web of ScienceTM, Scopus, and The Cochrane Library databases to identify eligible studies published up to August 2023. All studies comparing postoperative SSI or VTE rates in RA patients with or without bDMARD treatment were included. The protocol for this study was registered in PROSPERO (CRD42021246264) and is available on the University of York website.ResultsOverall, 20 studies with 71,885 RA patients and 6 studies with 7918 RA patients were included for postoperative SSI and VTE comparisons, respectively. Patients treated with bDMARDs had significantly higher rates of postoperative SSI than those without treatment (odds ratio 1.50, 95% confidence interval 1.23-1.83, P < .0001). However, these significant differences disappeared in the analysis restricted to 9 studies involving non-tumor necrosis factor α inhibitors. The use of bDMARDs seemed to increase the rate of postoperative VTE (odds ratio 2.20, 95% confidence interval 1.30-3.72, P = .003). A subgroup analysis showed that postoperative osseous complications were significantly less frequent in RA patients with bDMARD treatment than in those without treatment.ConclusionRA patients treated with bDMARDs had an increased risk of not only postoperative SSI but also VTE. While bDMARD usage merits appropriate attention, there might be positive aspects as well. Further data will be needed to confirm the postoperative risks of bDMARD usage in RA patients.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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