tailieunhanh - Chondral Disease of the Knee - part 6

Kiểm tra các tổn thương trochlear. Bản chất uncontained này tổn thương dựa trên chiều ngang là hiển nhiên. Sau khâu ban đầu của các bản vá periosteal, định hình được cung cấp thêm bằng cách khoan neo khâu vị trí dọc theo cạnh bên uncontained (B) và vị trí neo trước khi impaction (C). | 68 Case 20 Figure . Arthroscopic probing of the trochlear lesion demonstrates a laterally based lesion with soft fibrocartilaginous repair tissue. Figure . Intraoperative clinical photographs of the autologous chondrocyte implantation procedure. A Inspection of the trochlear lesion. The uncontained nature of this laterally based lesion is evident. Following initial suturing of the periosteal patch additional fixation is provided by drilling for suture anchor placement along the lateral uncontained edge B and anchor placement before rr l 1 . I impaction C . . This is trial version Case 20 69 Figure . Postoperative anteroposterior A and lateral B radiographs of the left knee demonstrate the distal realignment procedure with hard- ware fixation in place. The two suture anchors utilized to secure the periosteal patch are also evident on these radiographic views. approximately 6 weeks until radiographic healing of the distal realignment was demonstrated. She utilized continuous passive motion for 6 weeks initially with partial flexion restrictions. At 8 weeks she was advanced to weight bearing and range of motion as tolerated. She advanced through the traditional rehabilitation protocol for ACI of the trochlea. She was asked to refrain from any impact or ballistic activities for 18 months. FOLLOW-UP At her 6-month follow-up visit she ambulated without an antalgic gait and her knee pain and swelling had decreased substantially. At 12 months she was walking for long distances without pain. Stair climbing was virtually painfree. She has not begun participating in gym class or sports activities as yet. However she believes that once the protocol permits she would be symptom free enough to allow higher-level activities. DECISION-MAKING FACTORS 1. Previously failed microfracture technique and aggressive physical therapy program emphasizing proper patellofemoral mechanics. 2. Young high-demand patient without viable cartilage restoration .

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