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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2021, Vol. 15 ›› Issue (06): 725-731. doi: 10.3877/cma.j.issn.1674-134X.2021.06.012

• Review • Previous Articles     Next Articles

Effect of patellofemoral abnormality on function after total knee arthroplasty

Yanchao Zhang1, Yonggang Zhou2,(), Zhisen Gao3, Jingyang Sun1   

  1. 1. Medical School of Chinese PLA, Beijing 100853, China; Department of Orthopedics, the First Medical Center of PLA General Hospital, Beijing 100853, China; Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing 100048, China
    2. Department of Orthopedics, the First Medical Center of PLA General Hospital, Beijing 100853, China; Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing 100048, China
    3. Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing 100048, China
  • Received:2021-05-09 Online:2021-12-01 Published:2022-02-07
  • Contact: Yonggang Zhou

Abstract:

Total knee arthroplasty has been shown to be reliable at improving function in the patients with end-stage arthritis of the knee. The ten-year survivorship exceeds 90%. However, there are 15%-20% of patients who report dissatisfaction following primary TKA. In this crowd, anterior knee pain and decreased range of motion caused by patellofemoral abnormality may be the most important reason for patient′s dissatisfied with the treatment results. Patellofemoral abnormality mainly includes patellar maltracking, thickened patellofemoral composite and patellofemoral instability. In addition, the causes of patellofemoral abnormality include patient-related factors, surgical-related factors and prosthesis-related factors. Among them, surgical-related factors are vital for the postoperative functional recovery and most relevant to surgeons.

Key words: Arthroplasty, replacement, knee, Patellofemoral pain syndrome, Postoperative complications

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