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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:ObjectiveThe study aims to explore the feasibility and clinical effect of posterior minimally invasive treatment of cruciate ligament tibial avulsion fracture.MethodsPosterior knee minimally invasive approach was used to treat avulsion fracture of posterior cruciate ligament (PCL) tibia in 15 males and 11 females. The length of the incision, intraoperative blood loss, operation time, postoperative hospital stay, residual relaxation, and fracture healing time were analyzed to evaluate the curative effect, learning curve, and advantages of the new technology. Neurovascular complications were recorded. During the postoperative follow-up, the International Knee Joint Documentation Committee (IKDC), Lysholm knee joint score, and knee joint range of motion were recorded to evaluate the function.ResultsAll 26 patients were followed up for 18-24 months, with an average of 24.42 ± 5.00 months. The incision length was 3-6 cm, with an average of 4.04 ± 0.82 cm. The intraoperative blood loss was about 45-60 ml, with an average of 48.85 ± 5.88 ml. The operation time was 39-64 min, with an average of 52.46 ± 7.64 min. The postoperative hospital stay was 2-5 days, with an average of 2.73 ± 0.87 days. All incisions healed grade I without neurovascular injury. All fractures healed well with an average healing time of 9.46 ± 1.33 weeks (range, 8-12 weeks). The Lysholm score of the affected knee was 89-98 (mean, 94.12 ± 2.49) at 12-month follow-up. The IKDC score was 87-95 with an average of 91.85 ± 2.19, and the knee range of motion was 129-148° with an average of 137.08 ± 5.59°. The residual relaxation was 1-3 mm, with an average of 1.46 ± 0.65 mm.ConclusionThis minimally invasive method provides sufficient exposure for internal fixation of PCL tibial avulsion fractures without the surgical complications associated with traditional open surgical methods. The process is safe, less invasive, and does not require a long learning curve.

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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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