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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2022, Vol. 16 ›› Issue (02): 208-212. doi: 10.3877/cma.j.issn.1674-134X.2022.02.011

• Review • Previous Articles     Next Articles

Application of patient-specific instruments in total knee arthroplasty

Yijing Wu1, Jie Xu2,()   

  1. 1. Provincial Clinical Medical College of Fujian Medical University, Fuzhou 350122, China
    2. Fujian Provincial Hospital, Fujian Medical University, Fuzhou 350013, China
  • Received:2021-03-27 Online:2022-04-01 Published:2022-05-23
  • Contact: Jie Xu

Abstract:

Patient-specific instruments (PSI) based on computer aided design technology and medical image three-dimensional reconstruction technology have been widely applied in total knee arthroplasty with the rapid development of precision medicine recently. Compared with conventional total knee arthroplasty, PSI can construct the model before operation then improve the accuracy of the placement and size of the joint prosthesis, reduce the incidence of postoperative fat embolism syndrome and the volume of intraoperative blood loss significantly, shorten the operation time, and improves postoperative functional evaluations. But there is no remarkable advantage in terms of postoperative complications and mid- or long-term survival rates. This article made a comprehensive review of PSI regarding its advantages and disadvantages.

Key words: Arthroplasty, replacement, knee

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