Total Shoulder Arthroplasty Clinical Trial
Official title:
Diagnostic Accuracy of Synovial Biopsy for Implant-Related Shoulder Infections
The purpose of this study is to determine the efficacy of retrieving tissue samples via an x-ray guided needle that is inserted into the infected tissue in the shoulder. The procedure using the guided needle is called a synovial biopsy versus an open tissue biopsy, which is done at the time of surgery. By doing the synovial biopsy prior to a revision surgery, the investigators hope to avoid more invasive intervention if it is not needed. Some patients may appear to have an infection but once the biopsy is taken and the results are read, there may not be an infection and therefore no need for a revision surgery.
The primary research objective is to assess the diagnostic accuracy of percutaneous synovial biopsy for detection of implant-related intra-articular shoulder infections (IISI). The secondary objectives are to document the frequency of pain associated with shoulder synovial biopsy and to determine the correlation and agreement of several indices of infection as a means of providing preliminary evidence toward a clinical decision rule to rule in or rule out the diagnosis of implant-related intra-articular shoulder infection. The third objective is to determine the rates of (re)infection, functional outcomes, and quality of life, over a two year follow up period following revision surgery. The fourth objective is to determine whether an association exists between the biopsy location within the joint and relative yield and positive culture rates. The fifth objective is to identify, develop, and validate tissue-specific biomarkers for the detection of IISI. It is our hypothesis that synovial biopsy is valid tool for use in the diagnosis of shoulder arthroplasty and fracture implant related infections. ;
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