反復性膝蓋骨脱臼における下腿回旋の動的評価　手術前後の動的変化

DOI 被引用文献3件 参考文献7件

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タイトル別名
  • Dynamic Evaluation of Leg Rotation of the Recurrent Patellar Dislocation. Dynamic Alteration of Pre- and Post-operation.
  • —Dynamic Alteration of Pre-and Post-operation—
  • ―手術前後の動的変化―

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There are many reports concerned with the etiology of patellar subluxation and dislocation (recurrent dislocation), but there are few reports of biomechanical and dynamic analysis for this disease, particularly regarding femoro-tibial movement. We studied the results in 17 patients (one male and 16 female) who had recurrent dislocation of the patella and were treated by a modified Roux-Goldthwait procedure consisting of lateral retinacular release, medical transfer of the lateral part of the patellar tendon without advancement, plication of the medial retinaculum, and advancement of the vastus medialis. The biomechanical results were analyzed after one year postoperatively. A three-dimensional dynamic analysis was made on the knee with patellar recurrent dislocation, using CA-4000 knee motion analyzer. This study demonstrated that the modified Roux-Goldthwait procedure can stabilize the patella by getting normal rotation of the femoro-tibial joint with physiological screwhome movement. We confirmed that this procedure normalized the rotation of the femoro-tibial joint in recurrent patellar dislocation.

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