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Categories: Abstracts, 2023, Poster

Medium term results of open Autologous Matrix-Induced Chondrogenesis (AMIC) procedure in osteochondral lesions of the talus

M. Sethi, R. Limaye, N. Gogi

¹University Hospital of North Tees and Hartlepool, Orthopedics, Stockton-on-Tees, United Kingdom

Introduction: The osteochondral lesions of the talus are majorly traumatic and talus is commonly affected, as 60 % of it is covered by cartilage. There is limited potential to heal due to poor regenerative capacity and paucity of blood supply. This study aims to evaluate medium term functional outcome of AMIC procedure for osteochondral lesions of the talus and to correlate the relationship between the size of the lesion,age, functional outcomes and failures. The patients with displaced or partially displaced lesions were included along with those where conservative management failed.

Methods: It was a retrospective study from Jan 2015-March 2019. 25 patients were included from a single centre (Single surgeon), standing radiographs and MRI-pre and post operative were taken for all patients. During the procedure micro fracture was combined with application of Chondro-guide, a porcine collagen type I/III matrix & fibrin glue application Pre and post operative American Orthopedic Foot and Ankle Score (AOFAS) and Visual analogue (VAS) score were done for analysis and follow up- 3 months,6 months, 12 months.

Results: Mean age was 36 years and etiology was 23 traumatic, 2 non traumatic, mean follow up was 24months (95% CI-19.80-28.28), Mean size of the osteochondral lesion was 1,74 cm 2 Mean difference between preoperative and post operative AOFAS score was 49.40 (CI-53.21-45.59)(p1 cm 2 osteochondral lesions of talus is a one-step surgical technique with excellent to good results.

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Tags: Ankle Osteochondral Lesion

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Medium term results of open Autologous Matrix-Induced Chondrogenesis (AMIC) procedure in osteochondral lesions of the talus(.pdf, 78.62 KB) - 428 download(s)

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