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A Modified Lemaire Lateral Extra-Articular Tenodesis in High-Risk Adolescents Undergoing Anterior Cruciate Ligament Reconstruction: Two-Year Clinical Outcomes

2021 Congress Paper Abstracts

A Modified Lemaire Lateral Extra-Articular Tenodesis in High-Risk Adolescents Undergoing Anterior Cruciate Ligament Reconstruction: Two-Year Clinical Outcomes

Sofia Hidalgo Perea, BS, UNITED STATES Christopher Brusalis, MD, UNITED STATES Frank A. Cordasco, MD, MS, UNITED STATES Daniel W. Green, MD, MS, FACS, UNITED STATES

Hospital for Special Surgery, New York , NY, UNITED STATES


2021 Congress   ePoster Presentation     Not yet rated

 

Anatomic Location

Anatomic Structure

Diagnosis / Condition

Ligaments

ACL

Treatment / Technique

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Summary: Lateral extra-articular tenodesis can be performed safely in conjunction with ACL reconstruction to improve outcomes in adolescents otherwise at increased risk for failed ACLR.


Purpose

This study aimed to evaluate the safety and efficacy of performing a lateral extra-articular tenodesis (LET) with a modified Lemaire technique (MLT) in conjunction with anterior cruciate ligament reconstruction (ACLR) in children and adolescents at increased risk for failed ACLR.

Methods

A consecutive series of patients =19 years who underwent simultaneous ACLR and LET with minimum two-year follow-up data were reviewed. Patients were indicated for LET when one or more of the following risk factors were present: participant in high-risk competitive sport such as football, lacrosse, soccer or basketball, grade 3 pivot shift, hyperlaxity (Beighton score > 6), recurvatum, revision ACLR, contralateral ACLR, or chronic ACL insufficiency. ACLR was performed using either full-thickness quadriceps tendon (QUAD) for skeletally immature patients or bone-patellar tendon-bone (BTB) autograft for skeletally mature patients. All-epiphyseal (AE) or complete transphyseal (CT) techniques were used depending on patients’ skeletal maturity. At a minimum two-year follow-up, patient-reported outcome measures included Single Assessment Numeric Evaluation (SANE), Pediatric International Knee Documentation Committee (Pedi-IKDC), and the HSS Functional Activity Brief Scale (HSS Pedi-FABS) scores. Return-to-sport (RTS) data and second surgeries were also obtained.

Results

Sixty-three consecutive patients (mean age 15.17 ±1.73 years, range 11-19 years, 62% female) were analyzed. Ten patients (16%) were revision ACLR procedures. Seven (11%) patients underwent AE and 54 (89%) underwent CT ACLR. Forty-two (69%) cases employed a QUAD autograft, while 19 (31%) utilized a BTB autograft. All patients underwent a LET with a MLT and 2 patients underwent simultaneous implant mediated guided growth with a plate for structural genu valgum. At two-year follow-up, mean SANE score was 94, median Pedi-IKDC score was 91, and median HSS-Pedi Fabs score was 27. RTS rate was 91.8%. Eight patients had subsequent surgical procedures, including two hardware removal procedures for hemiepiphysiodesis, two contralateral ACLR, two meniscus surgeries, one lysis of adhesions, and one revision ACLR for graft re-rupture.

Conclusion

The findings suggest that concomitant LET and ACLR in adolescent patients with risk factors for failed ACLR is associated with favorable patient-reported outcomes, high return to sports participation, and low ACL re-rupture rate at two years follow-up.


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