نتایج جستجو برای: massive osteolysis

تعداد نتایج: 84588  

Journal: :The Journal of bone and joint surgery. British volume 2005
G P Grobler I D Learmonth B P Bernstein B J Dower

We retrospectively reviewed, ten years after surgery, 100 consecutive total hip replacements in which the Duraloc 300 cup had been used. Post-operative radiographs were analysed for placement of the cup and interface gaps and follow-up radiographs for lucent lines, osteolysis, wear and migration. All the components were found to be stable with no evidence of loosening. The mean rate of wear was...

Journal: :Orthopedics & Traumatology 1999

2016
Chen Wang Yang Liu Yang Wang Hao Li Ran-Xi Zhang Mi-Si He Liang Chen Ning-Ning Wu Yong Liao Zhong-Liang Deng

BACKGROUND Wear particle-induced peri-implant loosening is the most common complication affecting long-term outcomes in patients who undergo total joint arthroplasty. Wear particles and by-products from joint replacements may cause chronic local inflammation and foreign body reactions, which can in turn lead to osteolysis. Thus, inhibiting the formation and activity of osteoclasts may improve t...

2015
Zhenheng Wang Naicheng Liu Tongguo Shi Gang Zhou Zhenzhen Wang Jingjing Gan Ting Guo Hongbo Qian Nirong Bao Jianning Zhao Dominique Heymann

Wear particle-induced osteolysis is a major cause of aseptic loosening, which is one of the most common reasons for total hip arthroplasty (THA) failure. Previous studies have shown that the synovial fibroblasts present in the periprosthetic membrane are important targets of wear debris during osteolysis. However, the interaction mechanisms between the wear debris and fibroblasts remain largely...

2003
Michiaki Takagi

Aseptic loosening and periprosthetic osteolysis are major problems in artificial hip joint surgery,for which a solution has yet to be found. Biological host response to wear debris combined with cyclic mechanical loading onto the bone bed around hip prosthetic implants has been considered as mechanism responsible for implant-mediated periprosthetic osteolysis. Any type of artificial joint glidi...

2012
Ruofan Ma Jie Xu Bin Dong Max Daniel Kauther Marcus Jäger Christian Wedemeyer

BACKGROUND Osteoclasts and osteoblasts regulate bone resorption and formation to allow bone remodeling and homeostasis. The balance between bone resorption and formation is disturbed by abnormal recruitment of osteoclasts. Osteoclast differentiation is dependent on the receptor activator of nuclear factor NF-kappa B (RANK) ligand (RANKL) as well as the macrophage colony-stimulating factor (M-CS...

Journal: :The Journal of chemical physics 2008
Nicholas J Mosey Peilin Liao Emily A Carter

Conventional density functional theory (DFT) fails for strongly correlated electron systems due to large intra-atomic self-interaction errors. The DFT+U method provides a means of overcoming these errors through the use of a parametrized potential that employs an exact treatment of quantum mechanical exchange interactions. The parameters that enter into this potential correspond to the spherica...

2006
S. Hook E. Moulder P. J. Yates B. J. Burston E. Whitley G. C. Bannister

J Bone Joint Surg [Br] 2006;88-B:1584-90. Received 30 June 2006; Accepted after revision 15 August 2006 We reviewed 142 consecutive primary total hip replacements implanted into 123 patients between 1988 and 1993 using the Exeter Universal femoral stem. A total of 74 patients (88 hips) had survived for ten years or more and were reviewed at a mean of 12.7 years (10 to 17). There was no loss to ...

Background Multicentric carpotarsal osteolysis (MCTO), a skeletal dysplasia presents in early childhood mimicking juvenile idiopathic arthritis (JIA). Recognition of this syndrome is essential to avoid unnecessary treatment with immunosuppressive agents because of different course and treatment. Case Report A 3-year-old boy presented with swelling and restriction of right wrist joint and left ...

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