Anterior Cruciate Ligament Allograft Reconstruction in the Skeletally Immature Athlete

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Abstract
The purpose of this study was to evaluate anterior cru ciate ligament allograft reconstruction in skeletally im mature athletes. Eight patients (mean age, 13 years, 6 months; range, 10 to 15 years) with radiographic docu mentation of open growth plates had anterior cruciate ligament repair and reconstruction with fascia lata or Achilles tendon allograft tissue. A 7-mm graft was cen trally placed across the tibial physes and in an over- the-top position on the femur. All patients returned for followup a mean of 58 months (range, 22 to 94) post operatively. All had an immediate knee motion and re habilitation exercise program. The results were rated on a comprehensive rating system that assessed 20 vari ables. At followup, all patients showed closure of the growth plates. The difference in lower limb length, measured on scanograms, was not clinically significant. On KT-1000 arthrometer testing, 5 patients had less than 3 mm of increased anterior-posterior displacement (normal knee minus reconstructed knee) and 3 patients had between 3 and 5 mm. The final overall ratings were 6 excellent, 1 good, and 1 fair. The procedure is infre quently used, but appears to have merit in select, skel etally immature athletes who desire not to modify ath letic activity or when associated meniscal repairs warrant consideration for reconstruction.

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