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Acta Radiol. 1996 Sep;37(5):633-8.

Angular configuration of the knee. Comparison of conventional measurements and the QUESTOR Precision Radiography system.

Author information

1
Department of Diagnostic Radiology, University Hospital, Lund, Sweden.

Abstract

PURPOSE:

The aim of this study was to assess the QUESTOR Precision Radiography system (QPR) and to compare it with the routine hip-knee-ankle (HKA) angle measurements. The aim was also to evaluate the robustness of the QPR system against the osseous changes of arthrotic disease.

MATERIAL AND METHODS:

Twenty-four patients, operated on with a high tibial osteotomy for medial gonarthrosis, were examined. The alignment of the leg was measured by the conventional technique and by the QPR method.

RESULTS AND CONCLUSION:

The 2 methods correlated well. The intraobserver variation in the QPR measurements was, with the exception of the capito-midcondylar-femoral shaft angle and the tibial plateau width, not affected by the osseous changes inflicted by the arthrotic process. The patients tolerated both systems well while the staff preferred the QPR system.

PMID:
8915266
DOI:
10.1177/02841851960373P243
[Indexed for MEDLINE]

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