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C-2447 - Evaluation of hip arthroplasty complications in conventional radiography

M. Janowska1, J. Wieczorek2, J. Walecki1, M. Frel3; 1 Warsaw/PL 2 Warszawa/PL 3 Otwock/PL Type: Educational Exhibit
Area of Interest: Bones
Imaging Technique: Conventional radiography
Procedure: Complications
Special Focus: Prostheses
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Learning objectives: The purpose of this educational poster is to: 1. depict normal radiographic findings after hip arthroplasty; 2. provide an overview of typical complications of hip arthroplasty.

Background: Hip arthroplasty is one of the most frequently performed orthopedic procedures. The main indication for total hip replacement is severe pain caused by osteoarthritis, inflammatory arthropathy, avascular necrosis, ankylosis, dysplasia of hip, and neck of femur fracture in patients over age of 65. The[...]

Findings and procedure details: Typical complications of hip arthroplasty include: loosening, dislocation, fracture, particle disease, infection, and cement extrusion. Aseptic loosening of prostheses components is the most common indication for revision. Loosening can be caused by mechanical factors – stress, or biological factors[...]

Conclusion: Evaluation of hip arthroplasty complications can be difficult because the processes are chronic. Initial findings in the radiographs can be subtle. Careful comparison with postoperative films and the correlation with the clinical picture is crucial for proper evaluation.

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References: Taljanovic Joint arthroplasties and prosthesisTaTic M.S. et. al. „Joint Arthroplasties and prostheses”, 2003   Mulcahy H. et. al. „ Current Concepts of Hip Arthroplasty for Radiologists: Part 2, Revisions and Complications”, 2012   Mulcahy H. et. al. „ Current Concepts of Hip Arthroplast[...]

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