Mid-term results after treatment of complex talus osteochondral defects with HemiCAP implantation.

Affiliation

Department of Orthopedic Surgery, Foot and Ankle Section, Hvidovre University Hospital, Copenhagen, Denmark. Electronic address: [Email]

Abstract

BACKGROUND : HemiCAP for complex osteochondral defects (OCDs) in talus has been on the market since 2008. Few follow-up studies exist. Patients with complex OCDs were followed for up to 81 months.
METHODS : 31 consecutive patients were assessed preoperatively and at final follow-up, mean 50 months. All patients were treated with the HemiCAP®, Arthrosurface Inc., USA inlay. Inclusion criteria were complex OCDs of the medial or lateral talus dome.
RESULTS : All outcome measures i.e. AOFAS, FAOS and NRS improved significantly. 71.8 % of the cohort were employed preoperatively. At final follow up 87.5% were employed. No revisions of the HemiCAP was performed, but 41,9% had supplementary surgery. 1 patient had a superficial infection otherwise no complications were found. Preoperative and final follow-up x-rays were analysed.
CONCLUSIONS : Mid-term results after HemiCAP talus are good. Patient information and selection is mandatory due to the high numbers of additional surgeries following the HemiCap implantation.

Keywords

Ankle,HemiCAP,Metal resurfacing implant,Osteochondral defects,Talus,