Anterior Cruciate Ligament Injuries in Patients with Open Physes

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Abstract
From July 1988 to August 1989, six children with open physes and injuries to the anterior cruciate ligament were treated operatively. All injuries involved twisting episodes during sports activities. All six patients had meniscal abnormalities, and, additionally, one patient sustained a Grade III medial ligament tear and had a lateral patellar dislocation. Operative reconstruction used hamstring tendons and placed a groove over the front of the tibia and a groove over the top of the femur without violation of the growth plates. The anterior cru ciate ligament was primarily repaired (three patients) at the time of reconstruction, if possible. At 3 months, one patient underwent arthroscopic resection of adhesions for arthrofibrosis. There were no other complications. Five patients were evaluated with clinical examination, radiographs, magnetic resonance imaging, and func tional testing at an average followup of 33.2 months (range, 25 to 38). Four of the five had returned to their preinjury level of sports participation. Manual maximum KT-1 000 arthrometer side-to-side differences averaged 3.6 ± 1.9 mm. The average Lysholm knee score was 95.2 ± 2.5; the average Hospital for Special Surgery knee score was 96.6 ± 2.3. There were no growth plate injuries. Despite the overall clinical stability, magnetic resonance image scans of the five patients consistently demonstrated areas of increased signal in the anterior cruciate ligament grafts.

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