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Hip artroplasty

C Huxley, J Achten, M L Costa, F Griffiths, X L Griffin
OBJECTIVES: The annual incidence of hip fracture is 620 000 in the European Union. The cost of this clinical problem has been estimated at 1.75 million disability-adjusted life years lost, equating to 1.4% of the total healthcare burden in established market economies. Recent guidance from The National Institute for Health and Clinical Excellence (NICE) states that research into the clinical and cost effectiveness of total hip arthroplasty (THA) as a treatment for hip fracture is a priority...
October 2016: Bone & Joint Research
Nicola Maffulli, Angelo Del Buono, Vincenzo Denaro
Metal implants corrode and release metal ions, cobalt and chromium, which, in turn, may cause systemic toxicity, mostly in the first few months from implantation of metal-on-metal hip arthroplasty. At the time of delivery, the placenta reduces the passage of cobalt and chromium ions released from metal-on-metal prosthesis. From a biomechanical view point, hip replacement should not be considered a contraindication for pregnancy or for spontaneous delivery, and does not seem to have any negative effects in terms of risk of dislocation, loosening, fracture, or revision surgery, neither negative effects on clinical and functional outcomes...
December 2012: Surgeon: Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
J Gallo, A Zdařilová, A Rajnochová Svobodová, J Ulrichová, L Radová, M Smižanský
PURPOSE OF THE STUDY: A failure of total hip or knee artroplasty is associated with an increased production of joint fluid. This contains wear particles and host cells and proteins, and is assumed to be involved in the pathogenesis of aseptic loosening and periprosthetic osteolysis. This study investigated the effect of synovial fluid from patients with aseptically failed joint prostheses on osteoblast cultures. MATERIAL AND METHODS: Synovial fluid samples were obtained from patients with failed total joint prostheses (TJP; n=36) and from control patient groups (n = 16) involving cases without TJP and osteoarthritis, without TJP but with osteoarthritis, and with stable TJP...
October 2010: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
Barbara Bordini, Susanna Stea, Manuela De Clerico, Sergio Strazzari, Antonio Sasdelli, Aldo Toni
BACKGROUND: Total hip arthroplasty is a successful surgery, that fails at a rate of approximately 10% at ten years from surgery. Causes for failure are mainly aseptic loosening of one or both components partially due to wear of articular surfaces and partially to design. The present analysis aimed to identify risk factors and quantify their effects on aseptic failure. METHODS: Multivariate survival analysis was applied to 4,750 primary total hip arthroplasties performed between 1995 and 2000...
2007: BMC Musculoskeletal Disorders
S Affatato, M Goldoni, M Testoni, A Toni
Using ceramic materials it is possible to obtain a number of beneficial mechanical properties such as considerable hardness, good chemical resistance, high tensile strength, and a good fracture toughness. The use of ceramic-on-ceramic as bearing surfaces for hip joint prostheses has been reported to produce a lower wear rate than other combinations (i.e. metal-on-polyethylene and ceramic-on-polyethylene) in total hip artroplasty. These advantages may increase the life expectancy of hip implants and improve the life of patients...
April 2001: Biomaterials
G Andersson, B Stener
No abstract text is available yet for this article.
April 22, 1971: Nordisk Medicin
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