Chulalongkorn Medical Journal


Background : Ankle arthroplasty plays an important role in pain relieve andimproving the functions of end-stage ankle osteoarthritis. Nowthe ideal prosthesis is being developed. The fundamental datafor invention of a novel design is ankle morphologyobjective : To study ankle morphology in the Thai population and comparewith the current morphologic data. This study also seeks for themost compatible design for the Thai population.Design : Descriptive studySetting : Department of Orthopaedics, Faculty of Medicine, ChulalongkornUniversityMaterial and Methods : Ankle images from MRI were collected and measured parametersthat are important for develop ankle prosthesis were measured.Results : The ankle parameters are described in detail. Thai ankles aresmaller than the current data. The study found some parametersthat are different from the previous ones because of the methodsof measurement. When compare with the current prosthesisavailable now, TNK from Japan is the most compatible withthe Thai population.Conclusions : The present data demonstrates the valid ankle parameter andplay an important role to develop the new ankle prosthesis.


Faculty of Medicine, Chulalongkorn University

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