Hip Prosthesis Imaging Clinical Trial
Official title:
Study of Diagnostic Performances of Dual Energy Imaging With Flat Detectors and Tomosynthesis in Identification of Loosening of Painful Hip Prosthesis
The purpose is to determine diagnostic performances of flat panel dual energy arthrography
and arthro-tomosynthesis in identification of loosening of painful hip prosthesis, taking as
reference the results of surgery performed 6 months after arthrography.
Secondary purposes are:
- To describe the level of concordance of each technique with the indication for surgery
- To study inter-technique concordance with kappa coefficient
- To study the relationship between density differential between 2 acquisitions and grey
level on subtraction, i.e. subtraction quality according to metal
Hip arthroplasty has become one of the most performed orthopedic procedures. Actual average
lifetime of total hip prosthesis is approximately 15 years. Some complications are
inevitable. Total hip prosthesis imaging, performed to search for a complication or wear, is
difficult and depends on many techniques. Subtracted arthrography is a good technique but
its access is limited because it needs an angiography room.
In this study patients undergo standard arthrography, dual energy arthrography,
arthro-tomosynthesis and arthro-tomography.
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Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic