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https://www.readbyqxmd.com/read/29134325/spatial-context-and-health-inequity-reconfiguring-race-place-and-poverty
#1
Elizabeth L Tung, Kathleen A Cagney, Monica E Peek, Marshall H Chin
Intimate connections among race, place, and poverty are increasingly featured in the health disparities literature. However, few models exist that can guide our understanding of these interconnections. We build on the Chicago School of Sociology's contributions in urban research and one of its contemporary elaborations, often described as the "neighborhood effects approach," to propose a three-axis model of health inequity. This model, in alignment with Chicago School theory, postulates a dynamic and adaptive relationship between spatial context and health inequity...
November 13, 2017: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/29133389/selective-killing-of-helicobacter-pylori-with-ph-responsive-helix-coil-conformation-transitionable-antimicrobial-polypeptides
#2
Menghua Xiong, Yan Bao, Xin Xu, Hua Wang, Zhiyuan Han, Zhiyu Wang, Yeqing Liu, Songyin Huang, Ziyuan Song, Jinjing Chen, Richard M Peek, Lichen Yin, Lin-Feng Chen, Jianjun Cheng
Current clinical treatment of Helicobacter pylori infection, the main etiological factor in the development of gastritis, gastric ulcers, and gastric carcinoma, requires a combination of at least two antibiotics and one proton pump inhibitor. However, such triple therapy suffers from progressively decreased therapeutic efficacy due to the drug resistance and undesired killing of the commensal bacteria due to poor selectivity. Here, we report the development of antimicrobial polypeptide-based monotherapy, which can specifically kill H...
November 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29131447/effect-of-various-treatment-modalities-on-surface-characteristics-and-shear-bond-strengths-of-polyetheretherketone-based-core-materials
#3
Ahmet Kürşat Çulhaoğlu, Serhat Emre Özkır, Volkan Şahin, Burak Yılmaz, Mehmet Ali Kılıçarslan
PURPOSE: To investigate the effect of different surface treatments on the surface roughness (Ra), wettability, and shear bond strength of polyetheretherketone (PEEK) to composite resin. MATERIALS AND METHODS: One hundred ninety eight PEEK specimens were divided into six groups (n = 33). Specimen surfaces were treated with the following surface treatment modalities: silicoating (CoJet), acetone treatment, acid etching (H2 SO4 ), airborne particle abrasion (Al2 O3 ), laser irradiation (Yb:PL laser), and the nontreated surface serving as the control...
November 13, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29129186/an-exploration-of-mortality-risk-factors-in-non-severe-pneumonia-in-children-using-clinical-data-from-kenya
#4
Timothy Tuti, Ambrose Agweyu, Paul Mwaniki, Niels Peek, Mike English
BACKGROUND: Childhood pneumonia is the leading infectious cause of mortality in children younger than 5 years old. Recent updates to World Health Organization pneumonia guidelines recommend outpatient care for a population of children previously classified as high risk. This revision has been challenged by policymakers in Africa, where mortality related to pneumonia is higher than in other regions and often complicated by comorbidities. This study aimed to identify factors that best discriminate inpatient mortality risk in non-severe pneumonia and explore whether these factors offer any added benefit over the current criteria used to identify children with pneumonia requiring inpatient care...
November 13, 2017: BMC Medicine
https://www.readbyqxmd.com/read/29128318/the-75-th-diamond-anniversary-of-gastroenterology-1943-2018
#5
Richard M Peek, Douglas A Corley
No abstract text is available yet for this article.
November 8, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29122128/carbon-fibre-reinforced-peek-radiolucent-intramedullary-nail-for-humeral-shaft-fracture-fixation-technical-features-and-a-pilot-clinical-study
#6
Niksa Kojic, Christoph Rangger, Celenk Özgün, Jakisa Lojpur, Jerome Mueller, Yoram Folman, Eyal Behrbalk, Bore Bakota
PURPOSE: This prospective pilot study investigated the safety and efficacy of a novel radiolucent intramedullary nail (IMN) made of Carbon-Fibre-Reinforced Polyaryl-Ether-Ether-Ketone (CFR-PEEK) for humeral shaft fracture fixation. STUDY DESIGN: A prospective, single-arm, four-centre study. PATIENTS AND METHODS: A total of 46 patients with 46 humeral fractures classified as 12 A-B were treated with a novel CFR-PEEK IMN and followed for 12 months...
November 2017: Injury
https://www.readbyqxmd.com/read/29121853/addendum-to-informatics-for-health-2017-advancing-both-science-and-practice
#7
Philip Scott, Ronald Cornet, Colin McCowan, Niels Peek
This article presents presentation and poster abstracts that were mistakenly omitted from the original publication.
October 31, 2017: Journal of Innovation in Health Informatics
https://www.readbyqxmd.com/read/29120418/ultra-selective-looming-detection-from-radial-motion-opponency
#8
Nathan C Klapoetke, Aljoscha Nern, Martin Y Peek, Edward M Rogers, Patrick Breads, Gerald M Rubin, Michael B Reiser, Gwyneth M Card
Nervous systems combine lower-level sensory signals to detect higher-order stimulus features critical to survival, such as the visual looming motion created by an imminent collision or approaching predator. Looming-sensitive neurons have been identified in diverse animal species. Different large-scale visual features such as looming often share local cues, which means loom-detecting neurons face the challenge of rejecting confounding stimuli. Here we report the discovery of an ultra-selective looming detecting neuron, lobula plate/lobula columnar, type II (LPLC2) in Drosophila, and show how its selectivity is established by radial motion opponency...
November 8, 2017: Nature
https://www.readbyqxmd.com/read/29114956/quality-control-of-compounded-crystalloid-fluids-for-intravenous-delivery-to-horses
#9
C B Magnusson, K P Poulsen, J A Budde, F A Hartmann, N A Aulik, S M Raabis, A S D Moreira, B J Darien, S F Peek
BACKGROUND: Periodic lack of availability and high cost of commercially produced isotonic fluids for intravenous (IV) use in horses have increasingly led to use of home-made or commercially compound fluids by veterinarians. Data regarding the quality control and safety of compounded fluids would be of benefit to equine veterinarians. OBJECTIVES: To compare electrolyte concentrations, sterility, and endotoxin contamination of commercially available fluids to 2 forms of compounded isotonic crystalloid fluids intended for IV use in horses...
November 8, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29113764/effect-of-two-level-pedicle-screw-fixation-with-different-rod-materials-on-lumbar-spine-a-finite-element-study
#10
Jayanta Kumar Biswas, Masud Rana, Santanu Majumder, Santanu Kumar Karmakar, Amit Roychowdhury
BACKGROUND: Pedicle-screw-rod fixation system is very popular surgical remedy for degenerative disc disease. It is important to observe load vs. spinal motion characteristic for better understanding of clinical problems and treatment of spinal instability associated with low-back pain. OBJECTIVE: The objective of this study is to understand the effect [range of motion (ROM) and intervertebral foramen height] of pedicle-screw fixation with three rod materials on lumbar spine under three physiological loading conditions...
November 4, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29105729/rheumatic-heart-disease-in-pregnancy-how-can-health-services-adapt-to-the-needs-of-indigenous-women-a-qualitative-study
#11
Suzanne Belton, Sue Kruske, Lisa Jackson Pulver, Juanita Sherwood, Kylie Tune, Jonathan Carapetis, Geraldine Vaughan, Michael Peek, Claire McLintock, Elizabeth Sullivan
OBJECTIVES: To study rheumatic heart disease health literacy and its impact on pregnancy, and to identify how health services could more effectively meet the needs of pregnant women with rheumatic heart disease. MATERIALS AND METHODS: Researchers observed and interviewed a small number of Aboriginal women and their families during pregnancy, childbirth and postpartum as they interacted with the health system. An Aboriginal Yarning method of relationship building over time, participant observations and interviews with Aboriginal women were used in the study...
November 6, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29102839/haptic-two-dimensional-shape-identification-in-children-adolescents-and-young-adults
#12
Krista E Overvliet, Ralf Th Krampe
We investigated the influence of image mediation (the process that translates tactile information into a visual image) on the development of haptic two-dimensional (2D) shape identification in 78 participants from five different age groups: preschoolers (4-5 years), first graders (6-7 years), fifth graders (10-11 years), young adolescents (12-13 years), and young adults (18-28 years). Participants attempted to haptically recognize everyday objects (three-dimensional [3D] haptic condition) and tangible line drawings (2D haptic condition) and to recognize objects presented through a serial visual "peek hole" version of the haptic line drawing task (2D visual condition)...
November 2, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/29102202/changes-in-maternal-abdominal-subcutaneous-fat-layers-using-ultrasound-a-longitudinal-study
#13
Narelle Kennedy, Ann Quinton, Chris Brown, Michael John Peek, Ron Benzie, Ralph Nanan
BACKGROUND: Abdominal adiposity and subcutaneous fat (SF), an important endocrine organ for health outcomes, can be divided into two layers, superficial (SSAT) and deep subcutaneous adipose tissue (DSAT) each with a different histological and metabolic function. The aim was to investigate longitudinal changes in maternal abdominal SF thickness and its layers throughout pregnancy and post-partum within body mass index (BMI) categories. METHODS: A prospective longitudinal study of 214 women was performed measuring abdominal SF using ultrasound at 12-14(M1), 18-20(M2), 26-29(M3) and 33-36 weeks' gestation (M4) and 6-8 weeks post-partum...
November 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/29100027/influence-of-connection-tubing-in-modern-size-exclusion-chromatography-and-its-impact-on-the-characterization-of-mabs
#14
Szabolcs Fekete, Davy Guillarme
The goal of the study was to evaluate the impact of connection tubing in modern size exclusion chromatography (SEC), since it may strongly impact the apparent column efficiency, as the compounds are not retained in SEC. For this purpose, a reference SEC column of 150×4.6mm, 1.8μm was considered, and various proteins were tested as model compounds. Different tube geometries (lengths and internal diameters) and materials (stainless steel and PEEK) were evaluated in a systematic way. Large proteins always showed larger tube dispersion vs...
October 28, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29098967/-a-woman-with-a-neck-abscess-but-no-current-fever
#15
F I Vos, K van Dijk, R de Bree
A 28-year-old woman, originally from the Philippines, presented with a painful, fluctuating swelling of the neck, preceded by peeking fever. CT-imaging showed a multiloculated abscess. A chest X-ray did not show any abnormalities. Incision and drainage were performed. Both PCR and culture revealed an infection with Mycobacterium tuberculosis and the diagnosis of cervical tuberculous lymphadenitis was made.
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29096126/characterization-of-thick-titanium-plasma-spray-coatings-on-peek-materials-used-for-medical-implants-and-the-influence-on-the-mechanical-properties
#16
Danny Vogel, Henry Dempwolf, Axel Baumann, Rainer Bader
Coating poly-ether-ether-ketone (PEEK) with rough and porous titanium plasma spray (TPS) coatings is a technique which is commonly used to enhance the osseointegrative properties of medical implants. However, the influence of the TPS coating on the PEEK mechanical properties has not been sufficiently evaluated to date. In this study, PEEK samples were coated with a thick TPS layer with grains of 90µm and 180µm diameter. The coating characteristics and the adhesive strength of the coatings on the samples were determined and compared to coatings on titanium samples...
September 21, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29094007/soft-tissue-swelling-incidence-using-demineralized-bone-matrix-in-the-outpatient-setting
#17
Kingsley R Chin, Fabio J R Pencle, Jason A Seale, Juan M Valdivia
AIM: To assess use of demineralized bone matrix (DBM) use in anterior cervical discectomy and fusion (ACDF) in outpatient setting. METHODS: One hundred and forty-five patients with prospectively collected data undergoing single and two level ACDF with DBM packed within and anterior to polyetheretherketone (PEEK) cages. Two groups created, Group 1 (75) outpatients and control Group 2 (70) hospital patients. Prevertebral soft tissue swelling (PVSTS) was measured anterior to C2 and C6 on plain lateral cervical radiographs preoperatively and one week postoperatively and fusion assessed at two years...
October 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/29081445/load-bearing-capacity-of-novel-resin-based-fixed-dental-prosthesis-materials
#18
Isil Cekic-Nagas, Ferhan Egilmez, Gulfem Ergun, Pekka Kalevi Vallittu, Lippo Veli Juhana Lassila
To evaluate the influence of different materials on the load-bearing-capacity of inlay-retained fixed-dental-prosthesis (FDP). Ten types of FDPs were evaluated (n=7/group): Group PEEK: CAD-CAM polyetheretherketone (PEEK-TechnoMed), Group RC, made of discontinuous-fiber-composite (EverX Posterior); Group FRC1, made of discontinuous-fiber-composite (EverX Posterior) with two-bundles of continuous-unidirectional fiber-reinforced-composite (FRC) (Everstick C&B); Group FRC2, made of discontinuousfiber-composite (EverX Posterior) with two-bundles of continuous-unidirectional-FRC (Everstick C&B) covered by two-pieces of short-unidirectional-FRC (Everstick C&B) placed perpendicular to the main-framework; Group FB, CAD-CAM fiber-block (FibraComposite Bio-C); Group PMMA, CAD-CAM polymethyl methacrylate block (Temp basic); Group RP, resin-paste; Group FRP1, made of resin-paste (G-Fix) with two-bundles of continuous-unidirectional-FRC (Everstick C&B); Group FRP2, made of resin-paste (G-Fix) two-bundles of continuous-unidirectional-FRC covered by two-pieces of short unidirectional-FRC placed perpendicular to the mainframework and Group exp-FRC, experimental CAD-CAM FRC...
October 27, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/29064768/can-peek-be-an-implant-material-evaluation-of-surface-topography-and-wettability-of-filled-versus-unfilled-peek-with-different-surface-roughness
#19
Tarek Ayman El Awadly, Iman Radi, Amr El Khadem, Reham Osman
PEEK (polyetheretherketone) composites are biocompatible materials and may overcome esthetic and allergic problems of titanium dental implants. However, their potential for osseointegration with the subsequent survival rate is still questionable. Aim of the study was to evaluate the sur-face roughness and wettability of different surface treated filled and unfilled PEEK specimens, which may be indicative of the osseointegration behavior and the potential use of PEEK as an implant material. Unfilled, ceramic filled (CFP) and carbon fiber reinforced (CFRP) PEEK discs were prepared and left untreated or were surface treated with 50µ, 110µ, 250µ aluminum oxide particles...
October 24, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29057543/cortical-responses-before-six-months-of-life-associate-with-later-autism
#20
S Lloyd-Fox, A Blasi, G Pasco, T Gliga, E J Jones, D G Murphy, C E Elwell, T Charman, M H Johnson
Autism Spectrum Disorder (ASD) is a common, highly heritable, developmental disorder, and later-born siblings of diagnosed children are at higher risk for developing ASD than the general population. Although the emergence of behavioural symptoms of ASD in toddlerhood is well characterised, far less is known about development during the first months of life of infants at familial risk. In a prospective longitudinal study of infants at familial risk followed to 36 months, we measured functional near infrared spectroscopy (fNIRS) brain responses to social videos of people (i...
October 23, 2017: European Journal of Neuroscience
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