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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2023, Vol. 17 ›› Issue (02): 261-266. doi: 10.3877/cma.j.issn.1674-134X.2023.02.016

• Review • Previous Articles     Next Articles

Research progress in safe zone of prosthesis position of total hip arthroplasty

Qizhong Wang, Hui Li()   

  1. The First Clinical Medical College of Shaanxi University of Chinese Medicine, Xianyang 712046, China; Honghui Hospital, Xi’an Jiaotong Uiversity, Xi’an 710054, China
    Honghui Hospital, Xi’an Jiaotong Uiversity, Xi’an 710054, China
  • Received:2022-05-10 Online:2023-04-01 Published:2023-06-30
  • Contact: Hui Li

Abstract:

Dislocation is one of the most common complications of total hip arthroplasty. An appropriate positioning of acetabular and femoral prosthesis is paramount to reduce the risk of dislocation. Lewinnek safe zone, which has been regarded as the standard of prosthesis positioning over the last 40 years, has been challenged recently because it merely emphasises the static acetabular position and ignores the effect of femoral and pelvic motion on hip stability. As the understanding of the essential of femoral anteversion deepens, the concept of combined anteversion has begun to prevail. Increasing researches are focusing on the kinematics and interrelationship of spine-pelvis-hip conceptualised the functional safe zone. Safe zones described above fail to take into account the differences in morphology and kinematics of individual patients, therefore, the patient-specific safe zone based on anatomy of individual patient and kinematics of spine-pelvic complex is much anticipated. In this review, the history and progress of various safe zones of total hip arthroplasty were summarised.

Key words: Arthroplasty, replacement, hip, Hip dislocation

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