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  • Title: Postoperative return of motion in anterior cruciate ligament and medial collateral ligament injuries. The effect of medial collateral ligament rupture location.
    Author: Robins AJ, Newman AP, Burks RT.
    Journal: Am J Sports Med; 1993; 21(1):20-5. PubMed ID: 8427364.
    Abstract:
    Twenty consecutive patients with combined anterior cruciate/medial collateral ligament injuries were analyzed to determine if a correlation exists between the location of medial collateral ligament disruption and postoperative return of motion. All patients were treated operatively by autogenous patellar tendon anterior cruciate ligament reconstruction and primary medial collateral ligament repair. The mean followup was 379 days. The patients (12 men and 8 women; mean age, 23 years) were divided into two groups based on the location of superficial medial collateral ligament rupture. Group P consisted of 13 patients with lesions at or proximal to the joint line; Group D consisted of 7 patients with disruptions distal to the joint line. Group D patients had a more rapid return of motion for both flexion and extension. At the conclusion of followup, patients from Group D also achieved 8 degrees more flexion and 3 degrees more extension. There were eight additional procedures performed on five patients, all from Group P, required to treat difficulty regaining motion. Among these patients with anterior cruciate/medial collateral ligament injuries there are two distinct groups, each with different prognoses related to return of motion based on the location of the medial collateral ligament disruption. We suggest that patients with double-ligament injuries, where the medial collateral ligament lesion is proximal, should be managed very aggressively to regain motion.
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