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| Treatment Outcome of Trimalleolar Fractures through Posterolateral Transmalleolar Approach |
| Zhongshan Banfu Hospital， Zhongshan 528459， China |
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Abstract Objective： To evaluate the surgical treatment outcome of posterolateral approach to the fibula for trimalleolar fractures. Method： 43 patients suffered from the trimalleolar fracture were treated with internal fixation via posterolateral transmalleolar approach from May 2006 to Nov 2012， no bone graft was used to promote healing. All patients were assessed with the healing of fracture， instability， walking ability， radiological manifestations， and the American Orthopaedic Foot and Ankle Society score（ AOFAS）. Result： The follow-up period varied from 10-21 months with an average of 15 months， all fractures had bone union， time to bone union varied from 11-18 weeks with an average of 13 weeks. There was one skin healing problem， and one facial infection， no malnunion， nonunion of the fractures or the deformity of the ankle. The American Orthopaedic Foot and Ankle Society score was（ 92.2±5.4）， suggesting an excellent result. Conclusion： Posterolateral approach to the fibula for trimalleolar fractures allows direct reduction and fixation of the bone fracture fragments， ensure anatomical joint restoration， good for early functional exercise， and avoid the appearance of traumatic arthritis.
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