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Avulsion of the Femoral Attachment of the Medial Collateral Ligament of the Knee Associated to Complete Tear of the Posterior Cruciate Ligament: A Case Report.

ABSTRACT: Medial collateral ligament (MCL) of the knee is one of the most commonly injured ligaments of the knee. Incidence of posterior cruciate ligament (PCL) injuries can vary widely. Conservative treatment has shown good clinical outcomes and relatively rapid return to play in both injuries alone. We present the case of a 38-year-old male who presented a combined MCL avulsion injury and PCL tear treated surgically. The PCL was reconstructed using the double-bundle Achilles allograft technique. Within the same surgery, a medial femoral incision was performed to reinsert the avulsion of the bone fragment rotated and distally retracted together with the MCL with bone anchors and Spike Washer. Two years after surgery, the patient enjoyed a 0/140-degree range of motion for flexion/extension. He had returned to sports and was pain-free. In conclusion, femoral avulsion of the MCL associated to PCL injury is a rare and nondescribed injury that, as opposed to most MCL isolated injuries, might benefit from early surgical reconstruction.

SUBMITTER: Haddad S

PROVIDER: S-EPMC5553490 | biostudies-other | 2017 Jan

REPOSITORIES: biostudies-other

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Project description:PurposeTo quantify intraoperative joint space widening afforded by the outside-in, percutaneous release of the medial collateral ligament (MCL) and to evaluate its impact on medial compartment width and functional outcomes at 6-week follow-up for patients undergoing a partial medial meniscectomy without postoperative bracing.MethodsPatients with posteromedial meniscus tears and no evidence of ipsilateral knee pathology, undergoing partial medial meniscectomy, were enrolled. Intraoperatively, medial compartment width was quantified with fluoroscopy before and after the percutaneous MCL release with an 18-gauge spinal needle proximal to the joint line. At 6-week follow-up, valgus stress radiographs re-evaluated medial compartment width. International Knee Documentation Committee (IKDC) and Patient-Reported Outcomes Measurement Information System (PROMIS) scores were completed preoperatively and at 6-week follow-up to evaluate functional outcomes. A paired sample t test performed at a 95% confidence interval (CI) was used to compare these variables.ResultsForty-two patients, mean (± standard deviation) age 55.3 ± 10.7 years, were available for analysis of intraoperative medial compartment widening. Medial compartment width increased from 5.95 ± 1.32 to 11.09 ± 1.74 mm intraoperatively after MCL release. At 6-week follow-up, radiographic assessment demonstrated a mean medial compartment width of 5.85 ± .99 mm, which represented an insignificant change compared with the preoperative value (CI -0.68 to .33, P = .474). PROMIS and IKDC scores significantly improved from baseline, with increases of 6.9 ± 12.4 (CI 2.0 to 11.8, P = .008) and 11.7 ± 17.8 (CI 4.7 to 18.8, P = .002), respectively.ConclusionsPercutaneous MCL release during knee arthroscopy improves visualization and facilitates instrumentation by providing an almost 2× wider working space within the medial tibiofemoral joint. In this study, the performance of percutaneous MCL release did not result in any complications. Radiographic and clinical resolution of iatrogenic laxity was demonstrated by 6-weeks postoperatively, without the use of postoperative bracing.Level of evidenceIV, therapeutic case series.

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Avulsion of the Femoral Attachment of the Medial Collateral Ligament of the Knee Associated to Complete Tear of the Posterior Cruciate Ligament: A Case Report.

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