What is it about?

Comparison of different measurement and imaging methods for assessment of component position in knees after total knee arthroplasty. Radiographs versus transverse CT (Berger method) and 3D reconstructed CT.Inter- and intra-observer reliability as well as variation of measurements in degrees is reported.

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Why is it important?

In unhappy patients after total knee arthroplasty component position is one of the most important reasons for pain. Hence, accurate measurement of component position is crucial for guidance of treatment in this challenging group of patients.

Perspectives

Measurements of component position in total knee arthroplasty should be done on 3D reconstructed CTs as this method is clearly most reliable and less variable.

Prof. Dr. med. Michael Tobias Hirschmann
Kantonsspital Baselland

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This page is a summary of: The position and orientation of total knee replacement components: A COMPARISON OF CONVENTIONAL RADIOGRAPHS, TRANSVERSE 2D-CT SLICES AND 3D-CT RECONSTRUCTION, The Bone & Joint Journal, April 2011, Bone & Joint, DOI: 10.1302/0301-620x.93b5.25893.
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