Chinese Journal of Tissue Engineering Research ›› 2019, Vol. 23 ›› Issue (16): 2461-2466.doi: 10.3969/j.issn.2095-4344.1168

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Correlation of different treatment methods of synovial membrane in total knee arthroplasty with the joint function recovery  

Zhou Hongxing1, Yi Weiguo2, Yuan Xiangsheng1   

  1. 1Second Department of Orthopedics, 2Department of Medical Service, No.152 Hospital of Chinese PLA, Pingdingshan 467000, Henan Province, China
  • Online:2019-06-08 Published:2019-06-08
  • Contact: Yi Weiguo, Technician-in-charge, Department of Medical Service, No.152 Hospital of Chinese PLA, Pingdingshan 467000, Henan Province, China
  • About author:Zhou Hongxing, Master, Associate chief physician, Second Department of Orthopedics, No.152 Hospital of Chinese PLA, Pingdingshan 467000, Henan Province, China

Abstract:

BACKGROUND: Total knee arthroplasty has been gradually applied in the treatment of knee joint diseases. However, there is still a controversy about whether synovectomy in surgery, even affecting joint function recovery.

OBJECTIVE: To explore the effect of synovectomy in total knee arthroplasty on the functional recovery of knee joint, so as to provide reference for choosing appropriate surgical method in total knee arthroplasty.
METHODS: One hundred and twenty patients with osteoarthritis undergoing unilateral total knee arthroplasty admitted at No.152 Hospital of Chinese PLA between September 2009 and September 2014 were included. The patients were randomized into two groups (n=60/group), undergoing retaining synovial membrane and synovectomy in total knee arthroplasty, respectively. Intraoperative tourniquet and postoperative drainage tube were used in all patients. Sex, age, body mass index, hemoglobin, preoperative Hospital Special Surgery knee score and Visual Analogue Scale score were compared between two groups. The operation time, drainage volume at postoperative 6, 24 and 48 hours and the hemoglobin level at postoperative 1 and 7 days, and 1 day before leaving hospital were recorded. Visual Analogue Scale score and Hospital Special Surgery knee score at postoperative 2 weeks, 3 months, 1, 2 and 4 years were detected.
RESULTS AND CONCLUSION: (1) There was no significant difference in baseline data between two groups. (2) The operation time and drainage volume at postoperative 6 and 24 hours in the retaining synovial membrane group were significantly lower than those in the synovectomy group (P < 0.05). (3) The hemoglobin levels at postoperative 1 and 7 days, and 1 day before leaving hospital in the retaining synovial membrane group were significantly higher than those in the synovectomy group (P < 0.05). (4) The Visual Analogue Scale score and Hospital Special Surgery knee score at postoperative 2 weeks, 3 months and 1 year showed no significant differences between two groups. The scores at postoperative 2 and 4 years in the synovectomy group were superior to the retaining synovial membrane group (P < 0.05). (5) These findings imply that synovectomy in total knee arthroplasty for osteoarthritis increases postoperative blood loss, with risk for complications. Its short-term efficacy is similar with the retaining synovial membrane, but long-term efficacy is pertinent.

Key words: bone implants, artificial knee joint, synovial membrane, synovectomy, tourniquet, drainage tube, hemoglobin, Visual Analogue Scale, osteoarthritis, knee joint function recovery

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