Abstract
The Dwyer calcaneal osteotomy is an effective procedure for the correction of calcaneal
varus deformity. However, no intraoperative method has been described to determine
the amount of bone resection. We describe a simple intraoperative method for assuring
accurate bone resection and measure the realignment effects of the Dwyer calcaneal
osteotomy. We also review radiographic outcomes associated with 20 Dwyer calcaneal
osteotomies (in 17 patients) using the intraoperative realignment technique described
in this report. Preoperative and postoperative radiographs at a mean of 2.5 (range
1.5 to 5) years taken after Dwyer osteotomy were measured and compared, which revealed
a mean reduction in calcaneal varus of 18° (range 2° to 36°) (p < .001), a mean decrease in the calcaneal inclination angle of 5° (range –40° to
7°) (p < .05), a mean decrease in medial calcaneal translation of 10 (range 0 to 18) mm
(p < .001) relative to the tibia, and a mean dorsal translation of 2 (range 0 to 7)
mm (p = .002). In an effort to attempt to structurally realign the calcaneus to a more
rectus alignment, by means of Dwyer osteotomy, we recommend the use of the intraoperative
bone wedge resection technique described in this report. Our experience with the patients
described in this report demonstrates the usefulness of the intraoperative method
that we describe in order to accurately restore the axial tibial and calcaneal relationship.
Level of Clinical Evidence
Keywords
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Article info
Publication history
Published online: September 20, 2012
Footnotes
Financial Disclosure: None reported.
Conflict of Interest: None reported.
Identification
Copyright
© 2012 American College of Foot and Ankle Surgeons. Published by Elsevier Inc. All rights reserved.
