Abstract
We treated a 57-year-old female with modified Takakura stage 3B varus ankle osteoarthritis.
Her preoperative talar tilt angle was 21.3°. The patient wished to avoid ankle joint
arthrodesis or replacement. Therefore, medial opening wedge supramalleolar osteotomy
with fibular osteotomy was used for her varus ankle osteoarthritis. Also, fixed medial
distraction arthroplasty was performed to improve her talar tilt. After 3 months,
the external device was removed, and the patient was allowed partial weightbearing
and began full weightbearing 4 months postoperatively after the osteotomy site had
reached bony union radiographically. At the 3-year follow-up visit, a radiograph showed
the medial ankle joint space enlargement had been maintained. The talar tilt angle
had decreased to 3.3°, and the modified Takakura stage had improved to stage 1. The
American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot scale score had
improved from 26 points preoperatively to 85 points at 3 years postoperatively. Our
findings suggested that good clinical and radiologic results can be achieved with
supramalleolar osteotomy combined with distraction arthroplasty in the treatment of
varus ankle osteoarthritis with a large talar tilt angle.
Level of Clinical Evidence
Keywords
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Article info
Publication history
Published online: May 27, 2017
Footnotes
Financial Disclosure: This study was financial supported by the National Natural Science Foundation of China (grant 81301604) and Shaanxi Province Natural Science Foundation Research Project (grant 2014JQ4164).
Conflict of Interest: None reported.
Identification
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© 2017 by the American College of Foot and Ankle Surgeons. All rights reserved.
