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  • Title: Osteochondral transplantation of autologous graft for the treatment of osteochondral lesions of talus: 5- to 7-year follow-up.
    Author: Georgiannos D, Bisbinas I, Badekas A.
    Journal: Knee Surg Sports Traumatol Arthrosc; 2016 Dec; 24(12):3722-3729. PubMed ID: 25326766.
    Abstract:
    PURPOSE: Bone marrow stimulation procedures (microfractures/drilling) are considered the gold standard for the primary treatment of osteochondral talar lesions. In the literature, there is lack of evidence about the appropriate treatment in cases of failure of these procedures. A technique of osteochondral autologous transplantation of talar graft was used. It was hypothesized that this is a successful method with good results and low complication rates. Additionally, a technique of anterior ankle approach with temporary removal of a bone block from the distal tibia that gives adequate access to posterior talar dome lesions is demonstrated. METHODS: Between 2004 and 2007, 46 patients (37 males, 9 females), with OLT for which arthroscopic treatment with curettage and drilling or microfracture had failed, underwent osteochondral transplantation with an osteochondral graft harvested from the ipsilateral talar articular facet. A medial malleolar osteotomy or a distal tibial wedge osteotomy was used to access the talar dome defect. RESULTS: The median follow-up time was 5.5 years (range 52-75 m). Thirty-four lesions (70.8 %) were located in the central talar dome in the coronal plane, while 26 (54.1 %) and 19 (39.5 %) lesions were located in the lateral and medial aspect of talar dome in saggital plane, respectively. The overall improvement between the preoperative and post-operative AOFAS and VAS FA score was 35 points (p < 0.001) and 39 points (p < 0.001), respectively. Clinical results were considered as good in 43 patients (93.4 %) and fair in three patients (6.5 %). All the transplanted grafts were observed to incorporate fully into the recipient bed. No complications occurred at the site of the malleolus osteotomy or tibial osteotomy and the donor site at the talus. CONCLUSIONS: The midterm results suggest that the technique of osteochondral transplantation of autologous talar graft for osteochondral lesions of talus after failure of primary treatment with bone marrow stimulation can be safely and successfully used. It demonstrates excellent post-operative scores including improvement of pain and function. This procedure is combined with removal of a tibial bone block and its subsequent replacement and does not yield complications experienced with other procedures. LEVEL OF EVIDENCE: Retrospective case series, Level IV.
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