Rotational biplanar Chevron osteotomy |
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| Institution: | 1. Hospital Israelita Albert Einstein, SP, Brazil;2. Federal University of São Paulo (UNIFESP), SP, Brazil;3. Federal University of Minas Gerais (UFMG), MG, Brazil;1. Royal Bournemouth Hospital, United Kingdom;2. Royal National Orthopaedic Hospital, Stanmore, United Kingdom;1. Dept. of Orthopedic Surgery, Hvidovre Hospital, Copenhagen University Hospital, Denmark;2. Human Movement Analysis Laboratory, Dept. of Orthopedic Surgery, Hvidovre Hospital, Copenhagen University Hospital, Denmark;3. Clinical Orthopedic Research Centre, Hvidovre Hospital, Copenhagen University Hospital, Denmark;4. Department of Orthopedic Surgery, Sjaelland University Hospital, Køge, Denmark;1. Royal Devon and Exeter Hospital, Barrack Road, Exeter EX2 5DW, United Kingdom;2. Radiology Department, Level 6, Derriford Hospital, Plymouth PL6 8DH, United Kingdom;1. Applied Mechanics and Bioengineering Group (AMB), Aragón Institute of Engineering Research (I3A), Universidad de Zaragoza, Spain;2. Orthopaedics and Trauma Department, Medicine School, Universidad Complutense Hospital Universitario Infanta Leonor, Madrid, Spain;3. Facultad de Ciencias Médicas, Universidad Espíritu Santo, Ecuador |
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| Abstract: | IntroductionThe Chevron osteotomy is a reliable and popular osteotomy for treating hallux valgus worldwide. Many modifications have been described, but none of them address the rotational deformity of the first metatarsal. The objective of this study is to describe a variation of biplanar Chevron osteotomy which can address first metatarsal rotation when necessary.MethodsThe indications for the Rotational Biplanar Chevron Osteotomy (RBCO) are mild to moderate hallux valgus deformity associated with hallux pronation related to internal rotation of the first metatarsal bone. We describe a technique that uses a medial based wedge parallel to the plantar limb of the osteotomy in order to make the distal fragment free to correct rotation.ResultsThe more recent concern about hallux valgus surgery is the very interesting concept that this deformity really occurs in three different planes, and we may have mistreated the rotation component with our current techniques. Many authors have revisited many common techniques in order to adapt them to correct metatarsal pronation. To our best knowledge, this is the first paper to describe a modification of the Chevron osteotomy to address the rotation of the first metatarsal.ConclusionWe can conclude that the rotational biplanar Chevron osteotomy can be an useful tool in the treatment of mild hallux valgus associated with metatarsal pronation. |
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| Keywords: | Chevron osteotomy Hallux valgus Rotational deformity Pronation |
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