Comparison Between Continuous and Separate Grafts for ALL Reconstruction When Combined With ACL Reconstruction: A Retrospective Cohort Study From the SANTI Study Group

Author:

Ripoll Thomas1,Moreira da Silva Andre Giardino2,Saoudi Samy1,Noguero Antoine1,Nicolle Romain1,Maris Victor1,Helito Camillo2,Cavaignac Etienne1

Affiliation:

1. Department of Orthopedic Surgery and Trauma, Pierre-Paul Riquet Hospital, Toulouse, France

2. Grupo de Joelho, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil; Hospital Sírio Libanês, São Paulo, Brazil

Abstract

Background: While various techniques have been described to augment the anterolateral side of the knee, such as lateral extra-articular tenodesis and anterolateral ligament (ALL) reconstruction (ALLR), it is unclear how they affect clinical outcomes. The aim of this study was to compare the results of 2 ALLR techniques for combined anterior cruciate ligament (ACL)/ALL reconstruction. Hypothesis: The graft rupture rate, complications, and patient-reported outcomes are similar between a reconstruction technique using a continuous gracilis graft (CG) and single femoral tunnel for ACL/ALL reconstruction, and one using a separate gracilis graft (SG) and independent femoral tunnels. Study Design: Cohort study; Level of evidence, 3. Methods: A retrospective analysis of data collected prospectively at 2 hospitals was conducted: one in which a CG is preferred when performing combined ACL/ALL reconstruction and the other in which an SG is preferred. The medical records at these 2 hospitals were searched to identify ACL-deficient patients who had undergone ACL/ALL reconstruction between 2015 and 2020. Eligible patients were between 18 and 60 years of age, had the reconstruction surgery done within 24 months of the injury, and had ≥2 years of follow-up. The eligible patients were contacted to gather outcomes, or their outcomes were collected in person during their last follow-up visit. Outcomes evaluated included graft rupture rate, complication rate, and Lysholm and International Knee Documentation Committee Subjective Knee Form (IKDC-SKF) scores. Preoperative and intraoperative data were also evaluated. Results: A total of 237 patients were available for analysis in the GC group and 178 in the SG group with a mean follow-up of 3 years (CG: SD, 9.6 months; SG: SD, 8.1 months). The authors found a low rate of graft rupture (CG: 3.4%; SG: 2.8%; P = .785) and no difference between techniques. The complication rate was 6% in the CG group, while it was 10% in the SG group ( P = .112). The mean value of the IKDC-SKF was similar between techniques (CG: 88.1; SG: 87.9; P = .267), and the mean Lysholm score was excellent in both sets of patients (CG: 90.0; SG: 92.4; P < .001). Conclusion: This study found little to no difference in the graft rupture rate, complication rate, and functional knee scores when using a CG or SG for ALLR during combined ACL/ALL reconstruction. Both techniques are equivalent and can be used for an anterolateral augmentation procedure in combination with ACL reconstruction.

Publisher

SAGE Publications

Subject

Physical Therapy, Sports Therapy and Rehabilitation,Orthopedics and Sports Medicine

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