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https://www.readbyqxmd.com/read/28938225/occupant-level-injury-severity-analyses-for-taxis-in-hong-kong-a-bayesian-space-time-logistic-model
#1
Fanyu Meng, Pengpeng Xu, S C Wong, Helai Huang, Y C Li
This study aimed to identify the factors affecting the crash-related severity level of injuries in taxis and quantify the associations between these factors and taxi occupant injury severity. Casualties resulting from taxi crashes from 2004 to 2013 in Hong Kong were divided into four categories: taxi drivers, taxi passengers, private car drivers and private car passengers. To avoid any biased interpretation caused by unobserved spatial and temporal effects, a Bayesian hierarchical logistic modeling approach with conditional autoregressive priors was applied, and four different model forms were tested...
September 19, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28937896/evaluation-of-oral-health-related-quality-of-life-to-assess-dental-treatment-in-preschool-children-with-early-childhood-caries-a-preliminary-study
#2
Ana Lúcia Vollú, Maria da Encarnação Perez Requejo da Costa, Lucianne Cople Maia, Andréa Fonseca-Gonçalves
PURPOSE: The oral health-related quality of life (OHRQoL) of preschool children with Early Childhood Caries (ECC) was used to assess the outcome of dental treatment. STUDY DESIGN: Children (3.56±1.31years) affected by ECC were selected. Anamnesis, clinical and radiographic exams were performed. Data about sociodemographic aspects, OHRQoL and dmf-t index were collected. The Brazilian version of Early Childhood Oral health Impact Scale (B-ECOHIS) was applied in two time intervals: before and after 30 days of treatment...
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28937270/feasibility-of-free-breathing-lung-mri-for-radiotherapy-using-non-cartesian-k-space-acquisition-schemes
#3
Shivani Kumar, Robba Rai, Alto Stemmer, Sonal Josan, Lois Holloway, Shalini Vinod, Daniel Moses, Gary Liney
OBJECTIVES: To test a free breathing MRI protocol for anatomical and functional assessment during lung cancer radiotherapy by assessing two non-cartesian acquisition schemes based on a T1W 3D gradient recall echo sequence: (i) stack-of stars (StarVIBE) and (ii) spiral (SpiralVIBE) trajectories Methods: MR images on five healthy volunteers were acquired on a wide bore 3T scanner (Skyra, Siemens Healthcare). Anatomical image quality was assessed on: (1) free breathing (StarVIBE), (2) the standard clinical sequence (VIBE) acquired in a 20 second compliant breath-hold and (3) 20 second non-complaint breath-hold...
September 13, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28937156/carsite-identifying-carbonylated-sites-of-human-proteins-based-on-a-one-sided-selection-resampling-method
#4
Yun Zuo, Cang-Zhi Jia
Protein carbonylation is one of the most important biomarkers of oxidative protein damage and such protein damage is linked to various diseases and aging. It is thus vital that carbonylation sites are identified accurately. In this study, CarSite, a novel bioinformatics tool, was established to identify carbonylation sites in human proteins. The one-sided selection (OSS) resampling method was used to establish balanced training datasets and this resampling method is demonstrated to perform better than a Monte Carlo resampling method via 10-fold cross-validation tests on the Jia dataset...
September 22, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28936413/discriminatory-validity-of-the-aspects-of-wheelchair-mobility-test-as-demonstrated-by-a-comparison-of-four-wheelchair-types-designed-for-use-in-low-resource-areas
#5
Karen L Rispin, Elisa Hamm, Joy Wee
BACKGROUND: Comparative effectiveness research on wheelchairs available in low-resource areas is needed to enable effective use of limited funds. Mobility on commonly encountered rolling environments is a key aspect of function. High variation in capacity among wheelchair users can mask changes in mobility because of wheelchair design. A repeated measures protocol in which the participants use one type of wheelchair and then another minimises the impact of individual variation. OBJECTIVES: The Aspects of Wheelchair Mobility Test (AWMT) was designed to be used in repeated measures studies in low-resource areas...
2017: Afr J Disabil
https://www.readbyqxmd.com/read/28934989/small-area-distribution-of-multiple-sclerosis-incidence-in-western-france-in-search-of-environmental-triggers
#6
Karima Hammas, Jacqueline Yaouanq, Morgane Lannes, Gilles Edan, Jean-François Viel
BACKGROUND: Despite intensive research over several decades, the etiology of multiple sclerosis (MS) remains poorly understood, although environmental factors are supposedly implicated. Our goal was to identify spatial clusters of MS incident cases at the small-area level to provide clues to local environmental risk factors that might cause or trigger the disease. METHODS: A population-based and multi-stage study was performed in the French Brittany region to accurately ascertain the clinical onset of disease during the 2000-2004 period...
September 21, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28934881/effectiveness-of-lavage-techniques-in-removing-immunogenic-elements-from-osteochondral-allografts
#7
Maximilian A Meyer, Mark A McCarthy, Matthew E Gitelis, Sarah G Poland, Atsushi Urita, Susan Chubinskaya, Adam B Yanke, Brian J Cole
Objective This study aimed to compare standard saline lavage to combination saline and high-pressure carbon dioxide (CO2) lavage in removing marrow elements from osteochondral allografts. Design Six fresh hemicondyles were obtained. Three osteochondral allograft plugs (15-mm diameter, 6-mm depth) were harvested from each hemicondyle and randomized to 1 of 3 treatment arms: A, no lavage; B, 1 L standard saline lavage; C, simultaneous saline (1 L) and 1-minute high-pressure CO2 lavage. After hematoxylin and eosin staining, a "percentage fill" of remaining marrow elements was calculated for each overall sample and then repeated in 3 distinct compartments for each sample based on depth from surface: 1, deepest third; 2, middle third; and 3, most superficial third...
October 2017: Cartilage
https://www.readbyqxmd.com/read/28934095/lifelong-residential-exposure-to-green-space-and-attention-a-population-based-prospective-study
#8
Payam Dadvand, Christina Tischer, Marisa Estarlich, Sabrina Llop, Albert Dalmau-Bueno, Monica López-Vicente, Antònia Valentín, Carmen de Keijzer, Ana Fernández-Somoano, Nerea Lertxundi, Cristina Rodriguez-Dehli, Mireia Gascon, Monica Guxens, Daniela Zugna, Xavier Basagaña, Mark J Nieuwenhuijsen, Jesus Ibarluzea, Ferran Ballester, Jordi Sunyer
BACKGROUND: Natural environments, including green spaces, may have beneficial impacts on brain development. However, longitudinal evidence of an association between long-term exposure to green spaces and cognitive development (including attention) in children is limited. OBJECTIVES: We evaluated the association between lifelong residential exposure to green space and attention during preschool and early primary school years. METHODS: This longitudinal study was based on data from two well-established population-based birth cohorts in Spain...
September 18, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28933906/neural-bases-of-automaticity
#9
Mathieu Servant, Peter Cassey, Geoffrey F Woodman, Gordon D Logan
Automaticity allows us to perform tasks in a fast, efficient, and effortless manner after sufficient practice. Theories of automaticity propose that across practice processing transitions from being controlled by working memory to being controlled by long-term memory retrieval. Recent event-related potential (ERP) studies have sought to test this prediction, however, these experiments did not use the canonical paradigms used to study automaticity. Specifically, automaticity is typically studied using practice regimes with consistent mapping between targets and distractors and spaced practice with individual targets, features that these previous studies lacked...
September 21, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/28933892/erasing-and-blurring-memories-the-differential-impact-of-interference-on-separate-aspects-of-forgetting
#10
Sol Z Sun, Celia Fidalgo, Morgan D Barense, Andy C H Lee, Jonathan S Cant, Susanne Ferber
Interference disrupts information processing across many timescales, from immediate perception to memory over short and long durations. The widely held similarity assumption states that as similarity between interfering information and memory contents increases, so too does the degree of impairment. However, information is lost from memory in different ways. For instance, studied content might be erased in an all-or-nothing manner. Alternatively, information may be retained but the precision might be degraded or blurred...
September 21, 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/28933329/-mid-term-to-long-term-results-of-revision-total-hip-arthroplasty-using-the-oval-shaped-acetabular-cup-tc-type
#11
E Šťastný, T Trč, J Frýdl, Z Kopečný, T Philippou, J Lisý
INTRODUCTION The purpose of our paper is to evaluate the mid-term to long-term results and to confirm the basic criteria of a high-quality revision implant: safe bridging of bone defects, achievement of reliable primary fixation of revision acetabular cup, achievement of good secondary stability with documentable osteointegration of cup and demonstration of remodelling of transplanted bone tissue in the area of defects and in spaces between the implant ribs. MATERIAL AND METHODS Altogether 36 patients (38 cups) were evaluated who had undergone revision hip arthroplasty in the period from 2004 to 2010...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28931426/effects-of-dosimetric-inadequacy-on-local-control-and-toxicities-in-the-patients-with-t4-nasopharyngeal-carcinoma-extending-into-the-intracranial-space-and-treated-with-intensity-modulated-radiotherapy-plus-chemotherapy
#12
Fen Xue, Chao-Su Hu, Xia-Yun He
BACKGROUND: To protect neurological tissues, underdosing occurs in most cases of T4 nasopharyngeal carcinoma (NPC) with intracranial extension. In this study, we aimed to evaluate the effect of dosimetric inadequacy on local control and late neurological toxicities for patients treated with intensity-modulated radiotherapy (IMRT) plus chemotherapy. METHODS: We prospectively enrolled patients who had non-metastatic T4 NPC with intracranial extension treated between January 2009 and November 2013...
September 20, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28930812/role-of-radiation-therapy-in-the-multidisciplinary-management-of-uterine-carcinosarcoma
#13
Jillian R Gunther, Eva N Christensen, Pamela K Allen, Lois M Ramondetta, Anuja Jhingran, Nicole D Fleming, Elizabeth D Euscher, Karen H Lu, Patricia J Eifel, Ann H Klopp
OBJECTIVES: This study aimed to evaluate the impact of radiation therapy on outcomes for patients with uterine carcinosarcoma (UC). METHODS/MATERIALS: We retrospectively reviewed the records of 155 women with stage I (98), II (11), or III (46) UC who underwent total abdominal hysterectomy/bilateral salpingo-oophorectomy at our institution between 1990 and 2011. Survival rates were assessed using the Kaplan-Meier method and log-rank test. Univariate and multivariate Cox regression analyses were performed...
September 19, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28929966/-a-case-with-scalp-pruritus-caused-by-dermanysus-gallinae-order-mesostigmata
#14
Mustafa Şengül, Nida Kaçar, Mehmet Karaca, Sedef Zeliha Öner, Çağrı Ergin
Dermanyssus gallinae is one of the important hematophagous ectoparasite species of poultry like chicken, pigeon and wild bird species. These ectoparasites in the form of nymphs or adults who can not find their hosts are also seen in mammals and even in humans. For this reason, they are considered as important for public health. The ectoparasite causes a clinical condition named gamasoidosis among pet owners and people who live or work close to animal shelters, barns and chicken farms. Pruritus dermatitis is also caused by D...
July 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28927933/azopolymer-photopatterning-for-directional-control-of-angiogenesis
#15
Chiara Fedele, Maria De Gregorio, Paolo A Netti, Silvia Cavalli, Chiara Attanasio
Understanding cellular behavior in response to microenvironmental stimuli is central to tissue engineering. An increasing number of reports emphasize the high sensitivity of cells to the physical characteristics of the surrounding milieu and in particular, topographical cues. In this work, we investigated the influence of dynamic topographic signal presentation on sprout formation and the possibility to obtain a space-time control over sprouting directionality without growth factors, in order to investigate the contribution of just topography in the angiogenic process...
September 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28927929/mechanical-characterization-of-structurally-porous-biomaterials-built-via-additive-manufacturing-experiments-predictive-models-and-design-maps-for-load-bearing-bone-replacement-implants
#16
D Melancon, Z S Bagheri, R B Johnston, L Liu, M Tanzer, D Pasini
Porous biomaterials can be additively manufactured with micro-architecture tailored to satisfy the stringent mechano-biological requirements imposed by bone replacement implants. In a previous investigation, we introduced structurally porous biomaterials, featuring strength five times stronger than commercially available porous materials, and confirmed their bone ingrowth capability in an in-vivo canine model. While encouraging, the manufactured biomaterials showed geometric mismatches between their internal porous architecture and that of its as-designed counterpart, as well as discrepancies between predicted and tested mechanical properties, issues not fully elucidated...
September 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28927342/expert-opinion-biomimetic-functionalized-surfaces-and-the-induction-of-bone-formation
#17
Ugo Ripamonti
Tissue engineering still needs to assign the molecular basis of pattern formation, tissue induction and morphogenesis: What next to morphogens and stem cells? Macroporous biomimetic matrices per se, without the addition of the soluble osteogenic molecular signals of the transforming growth factor-β (TGF-β) supergene family, initiate the induction of bone formation. Carving geometries within different calcium phosphate-based macroporous bioreactors we show that geometric cues imprinted within the macroporous spaces initiate the spontaneous induction of bone...
September 19, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28926644/assessment-of-housing-density-space-allocation-and-social-hierarchy-of-laboratory-rats-on-behavioural-measures-of-welfare
#18
Timothy Hugh Barker, Rebecca Peta George, Gordon Stanley Howarth, Alexandra Louise Whittaker
Minimum space allowances for laboratory rats are legislated based on weight and stocking rates, with the understanding that increased housing density encourages crowding stress. However, there is little evidence for these recommendations, especially when considering positive welfare outcomes. This study consisted of two experiments which investigated the effects of housing density (rats per cage), space allocation (surface area per rat) and social rank (dominance hierarchy) on the ability to perform simple behavioural tests...
2017: PloS One
https://www.readbyqxmd.com/read/28925684/carbon-nanotube-based-ion-selective-sensors-for-wearable-applications
#19
Soumyendu Roy, Moshe David-Pur, Yael Hanein
Wearable electronics offer new opportunities in a wide range of applications, especially sweat analysis using skin sensors. A fundamental challenge in these applications is the formation of sensitive and stable electrodes. In this article we report the development of a wearable sensor based on carbon nanotube (CNT) electrode arrays for sweat sensing. Solid-state ion selective electrodes (ISEs), sensitive to Na+ ions, were prepared by drop coating plasticized poly-vinyl chloride (PVC) doped with ionophore and ion exchanger on CNT electrodes...
September 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28924358/ischiofemoral-impingement-assessment-of-mri-findings-and-their-reliability
#20
Ahmet Akça, Kadihan Yalçın Şafak, Ebru Dülger İliş, Zeki Taşdemir, Tamer Baysal
OBJECTIVE: To evaluate the Magnetic Resonance Imaging (MRI) findings and their validity in patients with ischiofemoral impingement syndrome (IFI) . METHODS: We retrospectively analyzed 55 hips. MRI findings of 30 hips were consistent with IFI syndrome. Twenty five hips had no MRI findings consistent with IFI syndrome. We compared the ischiofemoral space (IFS), quadratus femoris space (QFS), ischial angle (IA) and femoral neck angle (FNA) between the age and gender matched groups...
November 2016: Acta Ortopedica Brasileira
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