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Scientific Articles   |    
Reconstructive Surgery for Overcorrected Clubfoot in Adults
Markus Knupp, MD1; Alexej Barg, MD1; Lilianna Bolliger, MSc1; Beat Hintermann, MD1
1 Department of Orthopaedic Surgery, Kantonsspital Liestal, CH-4410 Liestal, Switzerland. E-mail address for M. Knupp: markus.knupp@ksli.ch. E-mail address for A. Barg: alexejbarg@mail.ru. E-mail address for L. Bolliger: lilianna.bolliger@ksli.ch. E-mail address for B. Hintermann: beat.hintermann@ksli.ch
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Investigation performed at the Department of Orthopaedic Surgery, Kantonsspital Liestal, Liestal, Switzerland



Disclosure: None of the authors received payments or services, either directly or indirectly (i.e., via his or her institution), from a third party in support of any aspect of this work. One or more of the authors, or his or her institution, has had a financial relationship, in the thirty-six months prior to submission of this work, with an entity in the biomedical arena that could be perceived to influence or have the potential to influence what is written in this work. No author has had any other relationships, or has engaged in any other activities, that could be perceived to influence or have the potential to influence what is written in this work. The complete Disclosures of Potential Conflicts of Interest submitted by authors are always provided with the online version of the article.

Copyright © 2012 by The Journal of Bone and Joint Surgery, Inc.
J Bone Joint Surg Am, 2012 Aug 01;94(15):e110 1-7. doi: 10.2106/JBJS.K.00538
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Abstract

Background: 

A known complication of the surgical treatment of clubfoot deformity is hindfoot valgus deformity of the ankle and/or the subtalar joint leading to calcaneofibular and/or anterior ankle impingement and flatfoot deformity. The purpose of this prospective study was to assess the radiographic outcome, pain relief, and functional improvement in patients with symptomatic overcorrected clubfoot deformity who were managed with a supramalleolar osteotomy.

Methods: 

Fourteen patients with an overcorrected clubfoot deformity and a mean age of 36.9 ± 14.0 years were managed with a supramalleolar osteotomy. The mean duration of follow-up was 50.6 months. Radiographic assessment included comparison of the preoperative and postoperative distal tibial joint surface angle, tibiotalar angle, and amount of calcaneal offset on the hindfoot alignment view. Clinical outcomes were quantified with use of a visual analog score for pain and the American Orthopaedic Foot & Ankle Society (AOFAS) hindfoot score.

Results: 

No perioperative complications occurred. Radiographically, all osteotomy sites healed within eight weeks and the orientation of the distal tibial articular surfaces was normalized in all cases. Clinically, calcaneofibular and anterior ankle impingement resolved in all patients and the mean visual analog score for pain decreased significantly from 4.1 ± 1.7 to 2.2 ± 1.5 (p < 0.05). The mean AOFAS hindfoot score increased significantly from 51.6 ± 12.3 preoperatively to 77.8 ± 11.8 postoperatively (p < 0.05). The ankle motion increased significantly from 25° ± 12° preoperatively to 29° ± 9° postoperatively (p < 0.05). All patients walked in normal shoes.

Conclusions: 

Supramalleolar osteotomy is an effective surgical procedure for the treatment of ankle impingement in patients with an overcorrected congenital clubfoot deformity. The correction is associated with a low risk of perioperative complications and leads to significant reduction of pain, increased ankle motion, and improved clinical outcome (p < 0.05).

Level of Evidence: 

Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.

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    References

    Accreditation Statement
    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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