Articular Changes of Meniscus and Cartilage associated with Cruciate Ligament Insufficiency of the Knee Joint

概要

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We made a statistical study of the complicated articular injuries of the meniscus and cartilage in relation to 31 cases with anterior cruciate ligament (ACL) insufficiency and 20 cases with posterior cruciate ligament (PCL) insufficiency for whom arthroscope and ligament reconstruction had been performed in both our hospital and others during the period of of 1981 to 1984. Cases with multiple ligament injuries were excluded from this study. ACL insufficiency: Most of the patients with ACL insufficiency were injured during sports activities such as basketball, gymnastics and so on. Their average age was 24.8 years old. The articular injuries of the meniscus and cartilage increased as the post-injured duration became longer. The post-injured duration for most of the patients with lateral meniscus tears became was short. The number of patients with medial meniscus tears increased as post-injured duration longer. Most of the articular cartilage injuries were situated on the medial femoral condyle and the patella. PCL insufficiency: Main causes of PCL insufficiency were traffic accidents, falling and so on. The patients were 37.6 years old on average and older than those with ACL insufficiency. The post-injured duration for most of the patients with meniscus tears was short. The articular cartilage injuries incresed mainly on the patella as the post-injured duration became longer.