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CT Based Study of Version of the Acetabular Cup after Total Hip Arthroplasty and its Correlation with the Functional Outcome | Abstract

Journal of Research in Medical and Dental Science
eISSN No. 2347-2367 pISSN No. 2347-2545

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CT Based Study of Version of the Acetabular Cup after Total Hip Arthroplasty and its Correlation with the Functional Outcome

Author(s): Mervinrosario PM*, Madhukar and Jithin Thomas

Abstract

Purpose: To correlate the version of the acetabular implant after total hip arthroplasty with the functional outcome and to assess the unassisted manual positioning of the acetabular cup. Method: A prospective study of 46 adult hips without acetabular defects, treated with first time THA between July 2018 to November 2020. We aimed to find the cup’s angle of version using a CT scan post-operatively and to correlate it with the functional outcome. We also assessed the unassisted manual positioning of the cup. The Harris hip score was used to evaluate the functional outcome of patients. Results: 90% of the acetabular implants were in the acceptable range of version. Among the rest, one episode of dislocation occurred and a few cases had decreased range of motion. However, 97.8% (45 patients) of our study population had an excellent functional outcome. Conclusion: The CT scan is a more accurate measurement of the acetabular cup version and shows a good outcome of our unassisted manual cup positioning.

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