J Korean Foot Ankle Soc.  2007 Jun;11(1):45-50.

Total Ankle Arthroplasty for the Post-traumatic Osteoarthritis

Affiliations
  • 1Department of Orthopaedic Surgery, Chonnam National University Medical School, Gwangju, Korea. kbleeos@chonnam.ac.kr

Abstract

PURPOSE: To evaluate the short-term clinical outcomes of total ankle arthroplasty for the post-traumatic osteoarthritis.
MATERIALS AND METHODS
Fourteen patients who had undergone total ankle arthroplasty from February 2005 to June 2006 were reviewed. Eleven patients were male and three patients were female. The mean age was 52.8 years (range, 33 to 69 years). The mean follow-up duration was 15.9 months (range, 12 to 24 months). Primary injuries were pilon fractures in eight cases, malleolar fractures in three, ankle syndesmotic injury in one, talus fracture and dislocation in one, and distal tibial physeal injury in one. Visual analogue scale (VAS), Range of motion (ROM), American Orthopaedic Foot and Ankle Society (AOFAS) score and complications were evaluated.
RESULTS
The mean VAS improved from 8.6 preoperatively to 2.6 at last follow-up. The mean ROM improved from 24.6 degrees preoperatively to 33.1 degrees postoperatively. The mean AOFAS score improved from 44.5 points preoperatively to 75.1 points postoperatively. Radiographically, all components were stable, but there were component malpositions in two cases, including one varus malposition of tibial component and one increased anterior translation of talar component. Complications were deep infection in one case, intraoperative malleolar fracture in three, marginal wound necrosis in two, and heterotopic ossification in one. One prosthesis was revised because of deep infection.
CONCLUSION
Total ankle arthroplasty for the post-traumatic osteoarthritis is believed to be an useful method for preservation of the motion, relief of the pain and high satisfaction of patients in short-term results.

Keyword

Post-traumatic ankle osteoarthritis; Total ankle arthroplasty
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