Changes in bone mineral content following ligamentous knee injuries

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Abstract
In 44 patients with clinical signs of ligamentous injuries to the knee without fracture, the bone mineral content was measured by .gamma. absorptiometry in the proximal end of the tibia and the fibula. The injuries caused a loss of an average 10% in those patients who had no signs of complete tears of knee ligaments and were therefore treated only with an ace bandage for a short time; the loss was 18% in those who were operated on with repair of ligamental injuries followed by plaster immobilization. Repeated injuries did not seem to cause further loss of mineral. There were no signs of restoration within the 1st yr. The pre-injury bone mineral content was, in these patients above that of an unselected control population. However, the post-traumatic loss of mineral brought the values down into a normal range.

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