- 期刊
The Functional Assessment of the Untreated and the Reconstructed Posterior Cruciate Ligament Deficient Knee
並列摘要
Seventeen patients with rupture of the posterior cruciate ligament (PLC),7 untreated and 10 having reconstruction of the PCL with medial head of gastrocnemius and the attached adductor tendon, were recruited for functional evaluations. The clinical functional status of the knee joint was evaluated in accordance with Hughston’s criteria and Lysholm’s scroe. The patients’gaits were analyzed using a three dimensional electrogoniometer, and piezoelectric force plate. Muscle strength was assessed via Cybex-340; and a KT-1000 arthrometer was used to measure the laxity of the knee joints. Muscle strength tests showed a significant difference (p＜0.01) in the knee extensors when comparing the injured to noninjured side in the untreated group, while no significant difference existed in reconstructed group. The gait analysis revealed that a significant difference existed over the velocity (p＜0.05) when comparing the reconstructed to the untreated groups. The KT-1000 arthrometer test demonstrated that the anterior and posterior drawer at a knee flexion of 70 degrees and the posterior tibial sag screen at 90 degrees differec significantly (p＜0.01) between injured and noninjured limbs in the untreated group. In the reconstructed group only the anterior drawer presented a significant difference (p＜0.05) when comparing the injured to the noninjured limbs. Using Hughston’s and Lysholm’s criteria, reconstruction was shown to have improved the knee’s functions and scores post-operatively (p＜0.01) The authors concluded that although the overall clinical aling with dynmic function, stability and strength of the extensor of the knee joints with PCL deficiency were sighificantly improved after reconstruction with the medial head of gastrocnemius with the adductor tendon, yet, the normal perfect knee functions were still not achieved. More ideal reconstructive procedure need further elaboration.
延伸閱讀
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