Comparison of clinical and radiological outcomes of total ankle arthroplasty in two subtypes of varus ankle osteoarthritis.

Authors

Bi O Jeong, Jin Hyung Kim, Min Sung Kim, Jeong Hyun Lee, Min Gyu Kyung

Published in

Foot and ankle surgery : official journal of the European Society of Foot and Ankle Surgeons. Oct 05, 2026. Epub Oct 05, 2026.

Abstract

This study compared clinical and radiological outcomes of total ankle arthroplasty between rotation- and translation-type varus ankle osteoarthritis.
Forty-four consecutive patients (≥1-year follow-up) were reviewed and classified by medial gutter apposition (22 per group). Outcomes were assessed preoperatively, at 1-year, and final follow-up.
Visual analogue scale improved from 5.7 to 1.9 in the rotation group and from 5.8 to 0.6 in the translation group; AOFAS hindfoot scores improved from 56.9 to 80.4 and from 51.4 to 92.2, respectively (all P < 0.001). The translation group achieved and maintained correction of talar center migration and hindfoot alignment angle, whereas the rotation group showed deterioration in hindfoot alignment angle between 1-year and final follow-up.
The translation group achieved more favorable clinical outcomes and maintained stable correction of medial talar translation and hindfoot alignment, whereas the rotation group was associated with recurrent hindfoot varus alignment. Subtype-specific recognition may be clinically useful.
III.

PMID:
42850108
Bibliographic data and abstract were imported from PubMed on 09 Oct 2026.

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