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  • Title: [Osteosynthesis under arthroscopic control of separated tibial plateau fractures. 26 case reports].
    Author: Cassard X, Beaufils P, Blin JL, Hardy P.
    Journal: Rev Chir Orthop Reparatrice Appar Mot; 1999 Jun; 85(3):257-66. PubMed ID: 10422131.
    Abstract:
    PURPOSE OF THE STUDY: Arthroscopic treatment of tibial plateau fractures may reduce morbidity compared to open articular surgery. But bony fixation is necessarily percutaneous and minimal. The purpose of our study was not only to assess immediate results but also long term functional and anatomic results after arthroscopic treatment of tibial plateau fractures, with special reference to radiographical results. MATERIAL AND METHODS: Twenty-six patients (mean age 42 years, range 18 to 70 years, 17 men, 9 women) were arthroscopically treated for a fresh tibial plateau fracture. According to Schatzker classification, there was 2 type I, 17 type II, 6 type III and 1 type IV. No type V or VI were treated in this series. The fixation device was: percutaneous cannulated screw in 23 cases, Kirchner wire in 2 cases, and bone cement filing of the fracture site in 1 case. We did not use cancellous bone graft but we used a hydroxyapatite plug in one case. There were 8 meniscal injuries: 2 underwent arthroscopic suture, 1 had partial meniscectomy and 5 were left in place. Twenty-six cases were suitable for immediate post op follow up. 19 were reviewed at long term. A clinical (Knee Society scoring system) and radiographical examination were done with an average follow-up of 32.7 months. RESULTS: There were no complications except one immediate postoperative septic osteoarthritis (case with hydroxyapatite plug) and one bony depression of the lateral tibial plateau at the fourth month. Passive motion of the knee started at 1.8 days postop with no pain. Mean flexion at 3 months was 130 degrees. At revision, the average score was: 94.1 for the knee, 94.7 for the function. In two cases we found early signs of osteoarthrosis. There were no secondary bony depression or significant valgus deformity on X-rays. CONCLUSION: Arthroscopic management of tibial plateau fractures allows a complete articular screening. Rapid rehabilitation, short hospital stay, and low rate of complications reduce morbidity. The long term results are as good as those with open surgical technique for the types of fracture that we have treated (type III and IV). A minimal, percutaneous osteosynthesis which was the only possibility under arthroscopic control, did not modify the anatomical results.
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