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Related Experiment Videos

[Preliminary study on treating patellar instability guided by arthroscopy].

You Chen1, Zhan-sheng Deng, Wei Zhang

  • 1Department of Orthopaedics, Second Xiangya Hospital, Central South University, Changsha 410011, China. chenyou137y@sina.com

Zhong Nan Da Xue Xue Bao. Yi Xue Ban = Journal of Central South University. Medical Sciences
|March 28, 2006
PubMed
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Arthroscopic treatment for patellar instability, combining gracilis transfer with lateral retinacular release and medial tightening, effectively resolves dislocations and subluxations. This surgical approach yields excellent outcomes, preventing recurrence in most patients.

Area of Science:

  • Orthopedic Surgery
  • Arthroscopy
  • Biomechanics

Context:

  • Patellar instability is a common condition affecting knee function.
  • Arthroscopy offers direct visualization of patellofemoral alignment.
  • Surgical intervention is often necessary for persistent patellar instability.

Purpose:

  • To detail the arthroscopically guided surgical technique for treating patellar instability.
  • To evaluate the clinical efficacy and outcomes of this combined surgical approach.

Summary:

  • Thirty-two patients with patellar instability (tilt, subluxation, dislocation) underwent arthroscopic procedures.
  • The surgery involved anterior gracilis transfer or medial tibial tuberosity transfer, combined with lateral retinacular release and medial tightening.

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  • Follow-up of 28 patients over a mean of 36.6 months showed a 92.8% excellence rate.

    • Impact:

    • Arthroscopically guided surgery provides dynamic assessment of patellofemoral alignment.
    • The described combinational treatment effectively addresses patellar instability, minimizing recurrence.
    • This technique offers a reliable and satisfactory solution for patients with patellar instability.