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  • Title: Revision Anterior Cruciate Ligament Reconstruction With Hamstrings and Extra-articular Tenodesis: A Mid- to Long-Term Clinical and Radiological Study.
    Author: Redler A, Iorio R, Monaco E, Puglia F, Wolf MR, Mazza D, Ferretti A.
    Journal: Arthroscopy; 2018 Dec; 34(12):3204-3213. PubMed ID: 30292594.
    Abstract:
    PURPOSE: To present the mid- to long-term clinical and radiographic outcomes of a series of patients who underwent revision anterior cruciate ligament (ACL) reconstruction with doubled gracilis and semitendinosus (DGST) autograft and a lateral extra-articular tenodesis (LET). METHODS: Patients who underwent revision ACL reconstruction with DGST and LET by a single surgeon between January 1997 and December 2013 were included. Revision was indicated by ACL failure noted on magnetic resonance imaging, persistent clinical instability, or laxity on clinical exam. Patients were evaluated preoperatively and at latest follow-up by an independent board-certified orthopaedic surgeon. Outcomes included Lachman and pivot shift tests, validated clinical and patient reported outcomes scores, and radiographic analysis. The presence of previous meniscectomy or chondral injury was recorded intraoperatively. RESULTS: A total of 118/132 potential patients (89.4%) was available for follow-up at a mean 10.6 years (3-19 years) postoperatively. Lachman and pivot shift examinations as well as the side-to-side difference on an KT-1000 arthrometer demonstrated significant improvement at latest follow-up (P < .05) versus preoperative evaluation. Severe degenerative disease was present in 25% of patients on radiograph and correlated with worsened clinical outcomes. Previous meniscectomy was the only risk factor analyzed that correlated with worsened radiographic grade. No patients had a graft tear based on clinical and/or magnetic resonance imaging evaluation, but 9 (7.6%) failed based on a side-to-side difference of >5 mm on the KT-1000, a grade ≥2+ on pivot shift, or report of continued instability. CONCLUSIONS: Revision ACL reconstruction with DGST and LET at mid- to long-term follow-up provides continued improvement in clinical and radiological outcomes from preoperative assessment. Meniscectomy was the only factor related to worsened radiological grades and clinical outcomes. LEVEL OF EVIDENCE: Level IV, case series.
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