Title

Technique for partial transphyseal anterior cruciate ligament reconstruction in skeletally immature athletes: Preliminary results

Document Type

Journal Article

Publication Date

1-1-2019

Journal

Current Orthopaedic Practice

Volume

30

Issue

1

DOI

10.1097/BCO.0000000000000713

Keywords

anterior cruciate ligament; growth disturbance; outcomes; reconstruction; skeletally immature; synthetic graft extender

Abstract

Copyright © 2019 Wolters Kluwer Health, Inc. All rights reserved. Background: A number of safe and successful surgical techniques to avoid physeal injury about the knee have been described, but their reported outcomes have not equaled success rates of procedures in skeletally mature patients. The purpose of this study was to determine the outcomes of an arthroscopic-assisted ACL reconstruction using a quadruple-looped hamstring graft with a synthetic graft extender and a physeal-sparing technique for partial transphyseal ACL reconstruction in skeletally immature patients. Methods: Medical record review identified skeletally immature patients who had this procedure and a minimum 6-month follow-up. A quadrupled-looped hamstring autograft and a synthetic graft extender allowed the optimal portion of the graft to be placed intra-articular and maintain sufficient length for proximal and distal fixation. Repeat physical examination included KT-1000 measurement, scanogram, and completion of a Lysholm knee scale and International Knee Documentation Committee (IKDC) evaluation. Results: Seventeen male patients 7.7 to 14.9 yr who fit the inclusion criteria were identified. All had open tibial and femoral physes at the time of ACL reconstruction. Average follow-up was 2 yr. At latest follow-up, all patients had stable Lachman tests and were able to return to sporting activities at their previous levels. Average limb-length discrepancy was 2.2 mm, with an average angular difference of 1.7 degrees, neither of which was statistically or clinically significant. Average Lysholm score was 91.5, and the average IKDC score was 92.7. Conclusions: This technique can restore motion and stability after ACL injury in skeletally immature patients while minimizing the risk of growth disturbance that might result in length or angular deformities. Level of Evidence: IV.

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