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Foot Ankle Int. 2004 Apr;25(4):225-30.

Clinical outcome of tibiotalar arthrodesis utilizing the chevron technique.

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1
Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA. franz_kopp@hotmail.com

Abstract

Tibiotalar arthrodesis remains the gold standard reconstructive procedure for the treatment of disabling ankle arthritis. The purpose of this study was to review the clinical results of tibiotalar arthrodesis utilizing the chevron fusion technique. The results of 46 consecutive patients who underwent ankle arthrodesis utilizing the chevron technique were reviewed. The etiology of the tibiotalar arthritis was posttraumatic in 29 of 46 patients. Of the remaining 17 patients, seven had osteoarthritis, five had talar osteonecrosis, two had rheumatoid arthritis, one had hemophilic arthropathy, one had gouty arthropathy, and one had unrecognized chronic osteomyelitis. Three patients had prior hindfoot arthrodeses, and two patients had bilateral ankle fusions at last follow-up. All patients were followed for a minimum of 2 years. Of the 46 patients, 41 were available for review, with an average follow-up of 7.3 years (range, 2-20 years). Twelve patients had greater than 10-year follow-up. The Mazur ankle score was calculated for all 41 patients. The average Mazur ankle score for the 41 patients available for review was 72.8, out of a maximum possible score of 90. Eighteen patients had excellent results, 11 patients had good results, five patients had fair results, and seven patients had poor results. The most common reasons for fair or poor results were symptomatic subtalar arthritis and multiple medical comorbidities. All patients with postoperative symptomatic subtalar arthritis had preoperative radiographic evidence of subtalar arthrosis. Of the 12 patients with greater than 10-year follow-up, nine had excellent or good results, and an average Mazur ankle score of 76.6. All patients with either prior hindfoot arthrodeses or bilateral ankle fusions had excellent or good results. Of the 41 arthrodeses included in the study, 38 (38/41, 93%) went on to clinical and radiographic union. The chevron technique provides a predictable method to obtain fusion of the tibiotalar joint. Most patients can expect excellent or good results. In the current study, 90% (37/41) of patients were satisfied with the outcome of their surgery and would undergo the same operation again under similar circumstances.

PMID:
15132930
DOI:
10.1177/107110070402500406
[Indexed for MEDLINE]
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