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. 2022 Jul;46(7):1547-1555.
doi: 10.1007/s00264-022-05380-7. Epub 2022 Mar 25.

Results of the osteochondral autologous transplantation for treatment of osteochondral lesions of the talus with harvesting from the ipsilateral talar articular facets

Dong Dong Wan  1 , Heng Huang  2 , Mao Zhong Hu  1 , Quan Yu Dong  3
Affiliations

Results of the osteochondral autologous transplantation for treatment of osteochondral lesions of the talus with harvesting from the ipsilateral talar articular facets

Dong Dong Wan et al. Int Orthop. 2022 Jul.

Abstract

Purpose: There are few studies on the clinical outcomes of osteochondral autologous transplantation (OAT) harvesting from local talar non-weight-bearing articular facets for the treatment of osteochondral lesions of the talus (OLTs). The purpose of this study was to review the short- to midterm outcomes of our patients who were treated with OAT harvesting from ipsilateral talar articular facets for OLTs.

Methods: Between December 2010 and November 2018, 24 patients were enrolled in this study. There were 16 males and eight females with an average age of 39.1 years and a follow-up period of 50.9 months. The clinical results were evaluated according to the American Orthopedic Foot & Ankle Society (AOFAS) ankle-hindfoot score and the visual analogue scale (VAS) score. Pre-operative plain radiographs and magnetic resonance imaging (MRI) scans, post-operative radiographs, and X-ray and computed tomography (CT) scans at the last follow-up were observed.

Results: There was a significant improvement in the AOFAS score from 61.3 ± 19.0 pre-operatively to 84.9 ± 9.2 post-operatively (P < 0.001). The VAS score improved from 6.1 ± 2.3 to 2.0 ± 1.4 at the last follow-up (P < 0.001). Twenty-one patients (87.5%) were satisfied with their clinical results. By the last follow-up CT scan, there was bone cyst formation at the donor sites in three patients, at the recipient sites in five patients and at both sites in five patients. Two patients (8.3%) underwent re-operation with arthroscopic debridement because of medial gutter hypertrophic soft tissue impingement.

Conclusion: OAT harvesting from the ipsilateral talar articular facet showed satisfactory results. The mean post-operative VAS score and AOFAS ankle-hindfoot score improved significantly. Post-operative impingement around the osteotomy site was the main complication and reason for re-operation after the index procedure. In addition, bone cysts at the recipient and/or donor site(s) were found with a large percentage under CT. Therefore, longer follow-up is necessary to determine the long-term clinical results for this technique.

Keywords: Ankle; Cartilage; Ipsilateral talar articular facet; Osteochondral autologous transplantation; Osteochondral lesion of the talus.

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