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Anterior Ankle Impingement After Tendo-Achilles Lengthening for Long-Standing Equinus Deformity in Residual Poliomyelitis

Cited 1 time in Web of Science Cited 1 time in Scopus
Authors

Sung, Ki Hyuk; Chung, Chin Youb; Lee, Kyoung Min; Lee, Seung Yeol; Park, Moon Seok

Issue Date
2013-09
Publisher
Data Trace Publishing Co.
Citation
Foot and Ankle International, Vol.34 No.9, pp.1233-1237
Abstract
Background: This study was performed to investigate anterior ankle impingement after tendo-Achilles lengthening for long-standing equinus deformity in patients with residual poliomyelitis and to investigate whether the severity of preoperative equinus deformity affected the occurrence of symptomatic anterior impingement. Methods: Twenty-seven consecutive patients (mean age, 43.8 +/- 9.4 years) with residual poliomyelitis who underwent tendo-Achilles lengthening for equinus foot deformity were included. On lateral foot-ankle weight-bearing radiographs, the tibiocalcaneal angle, plantigrade angle, and McDermott grade were measured and the presence of anterior blocking spur was evaluated. Results: Eleven patients (40.7%) had anterior ankle impingement on radiographic findings preoperatively and 24 patients (88.9%) at latest follow-up. There was a significant difference in McDermott grade between preoperative and latest follow-up (P < .001). There were significant differences in tibiocalcaneal angle and plantigrade angle between the patients with anterior ankle pain and without anterior ankle pain (P = .006 and .011, respectively) and between the patients with anterior blocking spur and without anterior blocking spur (P = .005 and .010, respectively). Conclusions: Most patients with residual poliomyelitis had anterior ankle impingement after tendo-Achilles lengthening for long-standing equinus deformity, and the presence of symptomatic anterior ankle impingement was significantly associated with the severity of the equinus deformity. Therefore, for residual poliomyelitis patients with severe long-standing equinus deformity, surgeons should consider the possibility of a subsequent anterior procedure for anterior impingement after tendo-Achilles lengthening. Level of Evidence: Level IV, retrospective case series.
ISSN
1071-1007
URI
https://hdl.handle.net/10371/192058
DOI
https://doi.org/10.1177/1071100713488092
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  • College of Medicine
  • Department of Medicine
Research Area Cerebral palsy , Medical image, Motion analysis, Pediatric orthopedic surgery, Statistics in orthopedic research

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