We revised an acrylic femoral hip prosthesis to a total hip prosthesis for an 86-year-old female. The implant was made of dental resin and had functioned for 56 years in situ, though its stem had broken. Because of no osteolytic reaction, the reconstruction was relatively easy. From the result of histologic and radiologic examination, the bio-inertness of material and uncemented fixation seemed to contribute the minimum bone loss and to the favorite spontaneous arthrodesis after providing good joint function in her middle age.
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| http://dx.doi.org/10.1615/JLongTermEffMedImplants.2021039392 | DOI Listing |
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[Influence of obesity on midterm outcome after primary hip and knee arthroplasty in Germany : Analysis from the EPRD].
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Endoprothesenregister Deutschland (EPRD), Berlin, Deutschland.
Objectives: To determine the influence of obesity on revision rates and mortality after primary elective hip and knee arthroplasty in Germany.
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Psychometric properties of the Arabic version of the Forgotten Joint Score usage in total hip arthroplasty.
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College of Medicine, King Saud University, Riyadh, Saudi Arabia.
Background: The ultimate goal of arthroplasty is thought to be the ability to "forget" a joint implant in daily activities. The Forgotten Joint Score (FJS-12), a score system that evaluates how much patients have been able to forget their hip or knee prosthesis, was recently published. It is based on a self-administered questionnaire that consists of 12 items.
View Article and Find Full Text PDFThe Risk of Postoperative Periprosthetic Femoral Fracture After Total Hip Arthroplasty Depends More on Stem Design Than Cement Use: An Analysis of National Health Data from England.
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Leeds Institute of Health Sciences, School of Medicine, University of Leeds, Leeds, West Yorkshire, England.
Background: In this study, we estimated the risk of surgically treated postoperative periprosthetic femoral fractures (POPFFs) associated with femoral implants frequently used for total hip arthroplasty (THA).
Methods: In this cohort study of patients who underwent primary THA in England between January 1, 2004, and December 31, 2020, POPFFs were identified from prospectively collected revision records and national hospital records. POPFF incidence rates, adjusting for potential confounders, were estimated for common stems.
Periacetabular metastases: Proposed extension of the Harrington classification.
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Department of Orthopaedic Surgery, Hospital Clínico San Carlos, Spanish National Reference Center for Musculoskeletal Oncological Surgery, Calle Del Prof Martín Lagos, S/N, Moncloa, 28040, Madrid, Spain.
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Improved primary stability and load transfer of a customized osseointegrated transfemoral prosthesis compared to a commercial one.
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Department of Industrial Engineering, Alma Mater Studiorum-University of Bologna, Bologna, Italy.
Background: Transfemoral osseointegrated prostheses, like other uncemented prostheses experience the risk of aseptic loosening and post-operative periprosthetic fractures, with an incidence between 3% and 30%. To date, however, osseointegrated off-the-shelf prostheses are manufactured in a limited number of sizes, and some patients do not meet the strict eligibility criteria of commercial devices. A customized osseointegrated stem was developed and a pre-clinical in vitro investigation of the stem was performed, to evaluate its biomechanical performance.
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