Chinese Journal of Tissue Engineering Research ›› 2013, Vol. 17 ›› Issue (39): 6896-6901.doi: 10.3969/j.issn.2095-4344.2013.39.006

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Changes of biochemical indexes and joint function in the patients with rheumatoid arthritis after total knee arthroplasty

Wu Li-xin1, Zhang Hai-bin2, Li Xiao-hui3, Ren Kai-jing3, Yang Guo-yue4   

  1. 1 Longhua County Hospital, Longhua  068450, Hebei Province, China; 2 Dongli District Hospital, Tianjin  300300, China; 3 Tianjin Hospital, Tianjin  300211, China; 4 Tianjin Third Central Hospital, Tianjin  300170, China
  • Online:2013-09-24 Published:2013-09-24
  • Contact: Li Xiao-hui, M.D., Associate chief physician, Tianjin Hospital, Tianjin 300211, China lxhchd@sina.com
  • About author:Wu Li-xin, Associate chief physician, Longhua County Hospital, Longhua 068450, Hebei Province, China 13903145353@163.com

Abstract:

BACKGROUND: There are many reports on the clinical effect of total knee arthroplasty in the treatment of advanced rheumatoid arthritis, but the reports on the effect of total knee arthroplasty on the disease activity in patients with rheumatoid arthritis are rare. Therefore, the more clinical evidences are needed for supporting.
OBJECTIVE: To explore the effect of total knee arthroplasty on disease activity in patients with rheumatoid arthritis.
METHODS: 109 patients with rheumatoid arthritis were included; 48 cases in the replacement group, and received total knee arthroplasty combined with internal medicine medications; the 61 cases in the drug treatment group were treated with simple internal medicine medications. The rheumatoid factor, blood sedimentation rate and C-reactive protein levels of the patients in two groups were measured before treatment, 1 and 2 years after treatment, and the Ishikawa joint function scoring criteria was used to assess the functions.
RESULTS AND CONCLUSION: There were no significant differences in the rheumatoid factor, blood sedimentation rate and C-reactive protein levels between two groups before treatment (P > 0.05). At 1 and
2 years after treatment, the indicators in the drug treatment group were higher than those in the replacement group (P < 0.05); the indicators in the two groups at 2 years after treatment were significantly lower than those before treatment (P < 0.05). The rheumatoid arthritis symptom scores of the affected joints of the patients in two groups were significantly improved, especially the pain, swell and subjective attitudes, and the replacement group was better than the drug treatment group (P < 0.05). The total knee arthroplasty can affect the disease activity of rheumatoid arthritis in short-term, and the effect of total knee arthroplasty is better than simple drug treatment.

Key words: arthroplasty, replacement, knee, arthritis, rheumatoid, rheumatoid factor, blood sedimentation, C-reactive protein

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