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. 2020 Mar;40(3):129-134.
doi: 10.1097/BPO.0000000000001155.

Revision ACL Reconstruction in Children and Adolescents

Melissa A Christino  1 , Frances A Tepolt  2 , Dai Sugimoto  2   3 , Lyle J Micheli  2   4   3 , Mininder S Kocher  2   4   3
Affiliations

Revision ACL Reconstruction in Children and Adolescents

Melissa A Christino et al. J Pediatr Orthop. 2020 Mar.

Abstract

Background: Revision anterior cruciate ligament (ACL) reconstruction in pediatric patients has not been well studied. The purpose of this study was to assess the demographics, technique, and results of ACL revision surgery in children and adolescents.

Methods: This was a retrospective case series with outcomes assessment of patients 18 years old and younger who underwent revision ACL surgery over a 16-year period at a single institution. Medical records were reviewed for demographics, clinical and operative data, and patients were contacted for outcomes at a minimum of 1 year after revision surgery.

Results: Ninety revision ACL reconstructions were performed by 7 surgeons in 88 patients (44 male, 44 female). Average patient age at the time of revision was 16.6 years (SD, 1.7), and 28.8% of patients were skeletally immature. Time to failure after primary ACL reconstruction was 1.28 years (SD, 1.1) and revision surgery was performed 1.56 years (SD, 1) after the index procedure. Revision graft type included allograft (61.1%), patellar tendon (21.1%), hamstring (16.7%), and iliotibial band (1.1%). There was a 20% graft reinjury rate. Subsequent surgical procedures after revision were required in 25.5% of knees. Twenty percent of revision reconstructions had contralateral ACL injuries, and this percentage was higher (33%) among those who went on to injure their revision graft. Median outcome scores collected from 44 patients (50%) at a mean of 5.1 years following surgery (SD, 3.4) were: Pedi-IKDC 79.9, Lysholm 84.5, and Tegner 9.0. Sixty-nine percent of patients reported returning to sports, however, only 55.2% of these reported being able to return to the same level of play.

Conclusions: Revision ACL reconstruction in pediatric patients was associated with suboptimal patient-reported outcomes, high complication rates, relatively high graft retear rates, high risk of contralateral ACL injury, and compromised return to sports rates.

Level of evidence: Level IV.

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