Chinese Journal of Tissue Engineering Research ›› 2020, Vol. 24 ›› Issue (30): 4802-4806.doi: 10.3969/j.issn.2095-4344.2824

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Comparison of early joint amnesia degree after posterior cruciate-retaining and posterior stabilized total knee arthroplasty

Zhang Hui, Li Hong, Li Yetian, Lu Ming, Yin Li, Gao Weilu, Liu Jingjun, Liu Biquan, Yin Zongsheng   

  1. Department of Joint Arthroplasty, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui Province, China
  • Received:2020-02-10 Revised:2020-02-15 Accepted:2020-03-04 Online:2020-10-28 Published:2020-09-19
  • About author:Zhang Hui, MD, Associate chief physician, Associate professor, Department of Joint Arthroplasty, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui Province, China
  • Supported by:
    the Natural Science Research Project of Colleges and Universities in Anhui Province, No. KJ2018A0662

Abstract:

BACKGROUND: Clinical long-term follow-up showed that there is no obvious difference in knee range of

motion, 10-15 year prosthesis survival rate, and main clinical manifestations after replacement of posterior cruciate-retaining and posterior stabilized prostheses. However, the debate over the superiority and inferiority of the two knee prostheses remains.

OBJECTIVE: To compare the differences of early functional recovery of patients with unilateral knee osteoarthritis after posterior cruciate-retaining and posterior stabilized prosthesis replacement.

METHODS: A total of 60 patients with knee osteoarthritis admitted to the First Affiliated Hospital of Anhui Medical University from July 2018 to September 2019 were selected, including 13 males and 47 females, aged 46-83 years old. Of them, 30 patients received posterior cruciate-retaining prosthesis replacement, and 30 patients received posterior stabilized prosthesis replacement. At 3 months after operation and at the last follow-up, joint amnesia score, knee function HSS score, visual analogue scale score, and knee motion range were assessed. The study was approved by the Ethics Committee of the First Affiliated Hospital of Anhui Medical University.    

RESULTS AND CONCLUSION: (1) Sixty patients were followed up for 5-16 months, and no complications such as periprosthetic infection, loosening, dislocation, or stiffness occurred during the follow-up. (2) At 3 months after surgery and at the last follow-up, joint amnesia score, HSS scores, visual analogue scores, and knee motion range were not significantly different between the two groups (P > 0.05). (3) The results showed that joint amnesia score was not significantly different in early stage after the posterior cruciate-retaining and posterior stabilized prosthesis replacement for unilateral knee osthoarthritis. 

Key words: total knee arthroplasty, posterior cruciate-retaining prosthesis, posterior stabilized prosthesis, joint amnesia score, osteoarthritis, pain, knee motion range, HSS score

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