Table 3.

Main Surgical Steps (Key Points) of Arthroscopic Autologous Matrix-Induced Chondrogenesis Technique for Treatment of Talar Osteochondral Lesions

Placement of patient in supine position

Portal placement: anteromedial and anterolateral

Identification of lesion

Positioning of Hintermann spreader

Debridement and shaving of lesion

Microfracture

Measurement of lesion using template

Removal of water and drying of joint space

Harvesting of cancellous bone from homolateral calcaneus

Impaction of cancellous bone into bony defect

Preparation of Chondro-Gide matrix according to template

Matrix insertion through cannula

Matrix fixation by fibrin glue

Checking of stability of matrix within normal ankle range of motion