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Japanese

Mechanism and Treatment of Navicular Fractures in Patients with Multiple Midtarsal Fractures Takuya Oshima 1 , Tadashi Fujii 2 , Yasuhito Tanaka 1 , Yoshinori Takakura 1 1Department of Orthopaedic Surgery, Nara Medical University 2Department of Orthopaedic Surgery, Kashiba Asahigaoka Hospital Keyword: 中足部骨折 , midtarsal fracture , 舟状骨骨折 , navicular fracture pp.87-92
Published Date 2009/1/25
DOI https://doi.org/10.11477/mf.1408101443
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 Five patients with multiple midtarsal fractures that included a navicular fracture were treated surgically. Full weight-bearing with arch support was allowed 8.2 weeks postoperatively. There were no obvious foot deformities or shortening, and all patients were satisfied with the results, but the follow-up has been short. Multi-planar reconstruction CT images were advantageous for detecting even minor hidden fractures, and they were informative for overall and detailed diagnosis of the injury and for preoperative planning. Fracture distributions of all cases were plotted and could be classified into two types: (1) a medial column stress concentrated type caused by the impact of an axial load on the medial aspect of the foot, and (2) a uniform stress distribution type, that caused by abduction force against the forefoot or equal axial compression medial aspect and lateral aspect of the foot. The treatment strategy should be different, because the medial column concentrated type is at risk of adduction deformity, and the uniform distribution type might become complicated by shortening of the foot. These deformities can be prevented by these adequate temporary fixations through Lisfranc-Chopart joints.


Copyright © 2009, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1286 印刷版ISSN 0557-0433 医学書院

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