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Urate-lowering treatment and risk of total joint replacement in patients with gout

Kuo, Chang-Fu; Chou, I-Jun; See, Lai-Chu; Chen, Jung-Sheng; Yu, Kuang-Hui; Luo, Shue-Fen; Hsieh, Ao-Ho; Zhang, Weiya; Doherty, Michael

Urate-lowering treatment and risk of total joint replacement in patients with gout Thumbnail


Chang-Fu Kuo

I-Jun Chou

Lai-Chu See

Jung-Sheng Chen

Kuang-Hui Yu

Shue-Fen Luo

Ao-Ho Hsieh

Michael Doherty


Objectives: To examine whether gout is an independent risk factor for total joint replacement (TJR) and whether urate-lowering treatment (ULT) reduces this risk.
Methods: Using the Taiwan National Health Insurance database and the UK Clinical Practice Research Datalink, 74 560 Taiwan patients and 34 505 UK patients with incident gout were identified and age and sex matched to people without gout. Cox proportional hazards models and condition logistic regression were used to examine the risk of TJR in gout patients and the association between cumulative defined daily dose (cDDD) of ULT and TJR.
Results: The prevalence rates of TJR in the patients at the time of diagnosis of gout and in people without gout were 1.16% vs 0.82% in Taiwan and 2.61% vs 1.76% in the UK. After a gout diagnosis, the incidence of TJR was higher in the patients with gout compared with those without (3.23 vs 1.91 cases/1000 person-years in Taiwan and 6.87 vs 4.61 cases/1000 person-years in the UK), with adjusted HRs of 1.56 (95% CI 1.45, 1.68) in Taiwan and 1.14 (1.05, 1.22) in the UK. Compared with patients with gout with 180 cDDD ULT in Taiwan. In the UK, the respective ORs were 1.09 (0.83, 1.42), 0.93 (0.68, 1.27) and 1.08 (0.94, 1.24).
Conclusion: This population-based study provides evidence from two nation populations that gout confers significant TJR risk, which was not reduced by current ULT.

Journal Article Type Article
Acceptance Date Jun 12, 2018
Online Publication Date Jul 27, 2018
Publication Date Dec 1, 2018
Deposit Date Dec 12, 2018
Publicly Available Date Dec 13, 2018
Journal Rheumatology
Electronic ISSN 1462-0332
Publisher Oxford University Press
Peer Reviewed Peer Reviewed
Volume 57
Issue 12
Pages 2129-2139
Keywords Pharmacology (medical); Rheumatology
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