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Degradation of mechanical properties of UHMWPE acetabular liners following long-term implantation.
We tested the hypothesis that the mechanical and chemical behavior of gamma radiation-sterilized ultrahigh-molecular-weight polyethylene (UHMWPE) changes after implantation. Relationships between theExpand
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Mortality following the diagnosis of a vertebral compression fracture in the Medicare population.
BACKGROUND Vertebral compression fractures in women are associated with increased mortality, but the generality of this finding, as a function of age, sex, ethnicity, and region, among the entireExpand
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The wear of oriented UHMWPE under isotropically rough and scratched counterface test conditions.
Unidirectional wear tests of UHMWPE against smooth counterfaces show that molecular chains at the surface of virgin material become oriented parallel to the sliding direction giving low wear rate. ItExpand
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Rotational Constraint in Posterior-Stabilized Total Knee Prostheses
Rotational stresses from box-post impingement have been implicated in the loosening of posterior-stabilized total knee prostheses. A bench model was constructed to assess the forces generated byExpand
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DECONVOLUTION OF SURFACE TOPOLOGY FOR QUANTIFICATION OF INITIAL WEAR IN RETRIEVED HIGHLY CROSSLINKED ACETABULAR INSERTS FOR THA + *
Introduction. Highly crosslinked acetabular liners have recently been clinically introduced to reduce volumetric wear rates and concomitantly the rate of late-onset osteolysis. Researchers haveExpand
COMPARISON OF MORTALITY RISK IN OPERATED (VERTEBROPALSTY OR BALLOON KYPHOPLASTY) VERSUS NON-OPERATED PATIENTS: 410,965 VERTEBRAL FRACTURE PATIENTS OF THE US MEDICARE POPULATION
Introduction/Aims An increased mortality associated with hip fractures has been recognized, but the impact of vertebral osteoporotic compression fractures (VCF) is still underestimated. The aim ofExpand
Saturday, September 29, 2018 9:00 am–10:00 am A Fresh Look at Opioids: 267. Burden of illness associated with low back pain: healthcare resource utilization and direct cost
BACKGROUND CONTEXT Low back pain (LBP) has a costly economic and societal burden, especially when considering the costs related to disability and loss of work productivity (indirect costs), as wellExpand