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Showing 1-30 of 102 results for "81223" within Papers
Daniel J Berry et al.
Clinical orthopaedics and related research, 472(12), 3659-3664 (2014-04-09)
Wear and corrosion in joint arthroplasty are important causes of failure. From the standpoint of current clinical importance, there are four main categories of wear and tribocorrosion: polyethylene wear, ceramic-on-ceramic (CoC) bearing wear, metal-on-metal (MoM) bearing wear, and taper tribocorrosion.
P Sharman et al.
Occupational medicine (Oxford, England), 63(6), 451-453 (2013-07-25)
Interstitial lung disease (ILD) due to inhalation of fume/smoke from heating or burning of synthetic polymers has not been reported previously. A fish farm worker developed ILD after cutting rope (polypropylene and nylon) for about 2 hours per day over
Thomas W Bauer et al.
Clinical orthopaedics and related research, 472(12), 3687-3698 (2014-08-01)
The biologic reactions to byproducts of wear or corrosion can involve innate and adaptive processes and are dependent on many factors, including the composition, size, surface properties, shape, and concentration of debris. We used a systematic literature review to compare
Editorial comment: ABJS Carl T. Brighton Workshop on Implant Wear and Tribocorrosion of Total Joint Replacements.
Stuart B Goodman et al.
Clinical orthopaedics and related research, 472(12), 3650-3651 (2014-10-01)
R D Scott
The bone & joint journal, 95-B(11 Suppl A), 140-143 (2013-11-06)
At least four ways have been described to determine femoral component rotation, and three ways to determine tibial component rotation in total knee replacement (TKR). Each method has its advocates and each has an influence on knee kinematics and the
Joshua M Wilson et al.
Medical physics, 40(3), 031908-031908 (2013-03-08)
This work involved the development of a phantom-based method to quantify the performance of tube current modulation and iterative reconstruction in modern computed tomography (CT) systems. The quantification included resolution, HU accuracy, noise, and noise texture accounting for the impact
S Strieth
HNO, 61(3), 211-216 (2013-03-08)
Although porous polyethylene (PPE) implants are already used in reconstructive craniofacial surgery, they are still only applied in rhinoplasty when critically indicated. Biocompatibility of PPE implants (pore size ~100-200 µm) can be modified by tissue engineering: coatings with extracellular matrix
Ping Wang et al.
Environmental technology, 34(17-20), 2889-2895 (2014-02-18)
In the subsided areas backfilled with coal gangue, an issue of continuing environmental concern is the migration of hazardous metals to the subsurface soil and groundwater. As an effective isolation material, geosynthetics have been scarcely applied into mining areas reclamation
Kelly M Seymour et al.
Journal of biomechanical engineering, 135(2), 021017-021017 (2013-03-01)
Ultra high molecular weight polyethylene (UHMWPE, or ultra high), a frequently used material in orthopedic joint replacements, is often the cause of joint failure due to wear, fatigue, or fracture. These mechanical failures have been related to ultra high's strength
Emiel A van Ijsseldijk et al.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 32(4), 613-617 (2014-01-08)
Measuring the minimum-joint-space-width (mJSW) in total knee arthroplasty (TKA) in Roentgen stereophotogrammetric analysis (RSA) provides valuable information on polyethylene wear, a leading cause for TKA failure. Most existing studies use non-weight-bearing (NWB) patient positioning. The latter may compromise mJSW measurements
Alicia E Leadford et al.
Pediatrics, 132(1), e128-e134 (2013-06-05)
Hypothermia contributes to neonatal mortality and morbidity, especially in preterm and low birth weight infants in developing countries. Plastic bags covering the trunk and extremities of very low birth weight infants reduces hypothermia. This technique has not been studied in
Aaron J Johnson et al.
Clinical orthopaedics and related research, 472(2), 624-629 (2013-07-19)
Dislocation remains the leading cause of revision THA. One approach to decreasing prosthetic dislocation risk has been the use of larger femoral head component sizes. The upper limit of head size in metal-on-polyethylene hip arthroplasty has historically been limited because
Xu Ma et al.
Journal of environmental sciences (China), 25(11), 2338-2343 (2014-02-21)
A home-made inexpensive passive diffusion bag (PDB) sampler, prepared by filling deionized water in low-density polyethylene (LDPE) tubes, was evaluated for volatile organic compounds (VOC) sampling in groundwater at industrial contamination sites. Impacts of environmentally relevant conditions on the sampling
William H Harris
Clinical orthopaedics and related research, 470(11), 3077-3082 (2012-05-31)
Edge wear is an adverse factor that can negatively impact certain THAs. In some metal-on-metal THAs, it can lead to adverse tissue reactions including aseptic lymphocytic vasculitis-associated lesions and even to pseudotumor formation. In some ceramic-on-ceramic THAs, it can lead
Ingvild Bostadløkken et al.
Ugeskrift for laeger, 175(13), 891-892 (2013-04-16)
We present a case of a 66-year-old woman who had a total knee arthroplasty. Shortly after surgery a 90° rotation of her polyethylene liner took place. The complication was undiagnosed for 1.5 years. To know this problem and be able
Diffuser-incorporated transmission NIR measurement for reliable analysis of packed granular samples.
Jihye Yoon et al.
The Analyst, 138(17), 4922-4932 (2013-06-28)
A diffuser-incorporated transmission near-infrared (NIR) scheme that enables direct spectral collection of packed granular samples with reliable sample representation and reproducibility has been demonstrated. The analytical utility of this method has been evaluated for the determination of polyethylene (PE) pellet
P C Page et al.
Veterinary parasitology, 203(1-2), 184-188 (2014-03-25)
The efficacy of untreated and alphacypermethrin-treated high density polyethylene (HDPE) mesh against Culicoides biting midges (Diptera: Ceratopogonidae) was determined using Onderstepoort downdraught black light traps and a contact bioassay. Three traps were operated overnight in four replicates of a 3×3
A H Hoffmann et al.
Der Orthopade, 36(10), 908-912 (2007-09-25)
Luxation and excessive wear of the mobile bearing in modern three-piece total ankle replacement (TAR) is reported. We conducted a systematic review of studies to explore and discuss the rate and causes of these complications.A systematic review of studies since
Terence J Gioe et al.
The Journal of bone and joint surgery. American volume, 92(2), 478-487 (2010-02-04)
Outcomes of total knee arthroplasties performed with modern all-polyethylene tibial components have been found to be comparable with or better than those of arthroplasties done with metal-backed modular components in numerous mid-to-long-term follow-up studies, radiostereometric analyses, and the few prospective
David H Le et al.
Clinical orthopaedics and related research, 472(7), 2197-2200 (2014-03-13)
Historically, polyethylene wear and its sequelae (osteolysis, late instability, aseptic loosening) were common causes for revision total knee arthroplasty (TKA). Recently, polyethylene manufacturing has become more consistent; furthermore, a clearer understanding of the importance of oxidation on polyethylene performance led
C E H Scott et al.
The bone & joint journal, 95-B(10), 1339-1347 (2013-10-01)
As many as 25% to 40% of unicompartmental knee replacement (UKR) revisions are performed for pain, a possible cause of which is proximal tibial strain. The aim of this study was to examine the effect of UKR implant design and
Mohammed A Khairy et al.
Environmental pollution (Barking, Essex : 1987), 181, 151-158 (2013-07-23)
Egypt is a major agricultural country in Africa with a known past of organochlorine pesticides (OCPs) application, yet data on atmospheric levels of OCPs in Egypt is sparse. Low density polyethylene (LDPE) passive samplers were therefore deployed for 3 weeks
Prasun K Roy et al.
Environmental science & technology, 45(10), 4217-4227 (2011-04-19)
Plastic waste disposal is one of the serious environmental issues being tackled by our society today. Polyethylene, particularly in packaging films, has received criticism as it tends to accumulate over a period of time, leaving behind an undesirable visual footprint.
A Lübbeke et al.
The bone & joint journal, 96-B(7), 868-875 (2014-07-06)
Large-head metal-on-metal (MoM) total hip replacements (THR) have given rise to concern. Comparative studies of small-head MoM THRs over a longer follow-up period are lacking. Our objective was to compare the incidence of complications such as infection, dislocation, revision, adverse
Monique M Perron et al.
Environmental toxicology and chemistry, 32(10), 2182-2189 (2013-07-09)
Contaminants enter marine and estuarine environments and pose a risk to human and ecological health. Recently, passive sampling devices have been utilized to estimate dissolved concentrations of contaminants of concern (COCs), such as polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls
Maria C S Inacio et al.
Acta orthopaedica, 84(2), 145-152 (2013-03-15)
There is no substantial clinical evidence for the superiority of alternative bearings in total knee arthroplasty (TKA). We compared the short-term revision risk in alternative surface bearing knees (oxidized zirconium (OZ) femoral implants or highly crosslinked polyethylene (HXLPE) inserts) with
Eliandra Mirlei Rossi et al.
Journal of infection in developing countries, 7(3), 229-234 (2013-03-16)
Contaminated sponges might lead to cross-contamination in kitchens since they can transfer microorganisms to surfaces where microorganisms can survive for hours or days and contaminate food. The main objective of this study was to evaluate the transfer and the survival
Matthew P Abdel et al.
Clinical orthopaedics and related research, 472(8), 2477-2482 (2014-04-16)
Backside damage of the polyethylene in TKA is a potential source of debris. The location of the tibial post in posterior-stabilized implants may influence micromotion, and thus affect backside damage, as may surface roughness. We used implant retrieval analysis to
Ryan M Baxter et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 101(3), 467-475 (2013-02-26)
Despite the widespread implementation of highly cross-linked polyethylene (HXLPE) liners to reduce the clinical incidence of osteolysis, it is not known if the improved wear resistance will outweigh the inflammatory potential of HXLPE wear debris generated in vivo. Thus, we
Toru Moro et al.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 32(3), 369-376 (2013-11-20)
To prevent periprosthetic osteolysis and subsequent aseptic loosening of artificial hip joints, we recently developed a novel acetabular highly cross-linked polyethylene (CLPE) liner with graft polymerization of 2-methacryloyloxyethyl phosphorylcholine (MPC) on its surface. We investigated the wear resistance of the
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