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https://www.readbyqxmd.com/read/28343006/trouble-on-takeoff-crude-oil-on-feathers-reduces-escape-performance-of-shorebirds
#1
Ivan Maggini, Lisa V Kennedy, Kyle H Elliott, Karen M Dean, Robert MacCurdy, Alexander Macmillan, Chris A Pritsos, Christopher G Guglielmo
The ability to takeoff quickly and accelerate away from predators is crucial to bird survival. Crude oil can disrupt the fine structure and function of feathers, and here we tested for the first time how small amounts of oil on the trailing edges of the wings and tail of Western sandpipers (Calidris mauri) affected takeoff flight performance. In oiled birds, the distance travelled during the first 0.4s after takeoff was reduced by 29%, and takeoff angle was decreased by 10° compared to unoiled birds. Three-axis accelerometry indicated that oiled sandpipers produced less mechanical power output per wingbeat during the initial phase of flight...
March 23, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28339932/utilizing-patient-geographic-information-system-data-to-plan-telemedicine-service-locations
#2
Neelkamal Soares, Joseph Dewalle, Ben Marsh
Objective: To understand potential utilization of clinical services at a rural integrated health care system by generating optimal groups of telemedicine locations from electronic health record (EHR) data using geographic information systems (GISs). Methods: This retrospective study extracted nonidentifiable grouped data of patients over a 2-year period from the EHR, including geomasked locations. Spatially optimal groupings were created using available telemedicine sites by calculating patients' average travel distance (ATD) to the closest clinic site...
March 3, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28339686/movement-patterns-in-women-at-risk-for-perinatal-depression-use-of-a-mood-monitoring-mobile-application-in-pregnancy
#3
Laura J Faherty, Liisa Hantsoo, Dina Appleby, Mary D Sammel, Ian M Bennett, Douglas J Wiebe
Objectives: To examine, using a smartphone application, whether mood is related to daily movement patterns in pregnant women at risk for perinatal depression. Materials and Methods: Thirty-six women with elevated depression symptoms (PHQ-9 ≥ 5) in pregnancy used the application for 8 weeks. Mood was reported using application-administered surveys daily (2 questions) and weekly (PHQ-9 and GAD-7). The application measured daily mobility (distance travelled on foot) and travel radius...
February 19, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28339662/hiv-1-proteins-influence-novelty-seeking-behavior-and-alter-region-specific-transcriptional-responses-to-chronic-nicotine-treatment-in-hiv-1tg-rats
#4
Zhongli Yang, Tanseli Nesil, Taylor Wingo, Sulie L Chang, Ming D Li
Introduction: Clinical studies suggest that HIV-1-infected patients are more likely to use or abuse addictive drugs than is the general population. We hypothesized that HIV-1 proteins impact novelty-seeking behavior and enhance the transcriptional response to nicotine in genes implicated in both novelty-seeking behavior and drug addiction. Methods: We assessed the effects of HIV-1 proteins on novelty-seeking behavior by comparing baseline activity differences of HIV-1Tg and F344 control rats in the open-field test...
February 17, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28338921/the-relationship-between-objectively-measured-walking-and-risk-of-pedestrian-motor-vehicle-collision
#5
D Alex Quistberg, Eric J Howard, Philip M Hurvitz, Anne V Moudon, Beth E Ebel, Frederick P Rivara, Brian E Saelens
Safe urban walking environments may improve health by encouraging physical activity, but the relationship between an individual's location and walking pattern and the risk of pedestrian-motor vehicle collision is unknown. We examined associations between individuals' walking bouts and walking risk, measured as mean exposure to the risk of pedestrian-vehicle collision. Walking bouts were ascertained through integrated accelerometry and global positioning system data and from individual travel-diary data obtained from adults in the Travel Assessment and Community Study (King County, Washington) in 2008-2009...
March 1, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28338716/neurological-evidence-for-the-role-of-construal-level-in-future-directed-thought
#6
Paul E Stillman, Hyojin Lee, Xiaoyan Deng, Rao Unnava, William A Cunningham, Kentaro Fujita
The ability to mentally represent future events is a significant human psychological achievement. A challenge that people encounter is that they often lack detailed specifics about distant relative to near future events. Construal level theory (Liberman & Trope, 2014) proposes that people represent distant future events by their abstract and essential features - a process referred to as high-level construal. As events become temporally proximal, people represent events by their increasingly available and reliable concrete and idiosyncratic features - a process referred to as low-level construal...
February 21, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28337577/native-american-vietnam-era-veterans-access-to-va-healthcare-vulnerability-and-resilience-in-two-montana-reservation-communities
#7
Carol J Ward, Michael R Cope, Lindsey Elmont
As a growing segment of the military, Native Americans are expected to increase enrollment in Department of Veterans Affairs (VA) healthcare. Currently, 20% of Native American veterans are aged 65-74, which means they served during the Vietnam era. This study explores the experiences of rural American Indian veterans from two Montana reservations with accessing VA health services. Utilizing detailed data obtained in focus group and individual interviews, we examine the experiences, attitudes, barriers and needs of rural Vietnam-era veterans...
March 23, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28336544/high-resolution-anatomical-correlation-of-cyclic-motor-patterns-in-the-human-colon-evidence-of-a-rectosigmoid-brake
#8
Anthony Y Lin, Peng Du, Philip G Dinning, John W Arkwright, Jozef P Kamp, Leo K Cheng, Ian P Bissett, Gregory O'Grady
Colonic cyclic motor patterns (CMPs) have been hypothesized to act as a brake to limit rectal filling. However, the spatiotemporal profile of CMPs, including anatomical origins and distributions, remains unclear. This study characterized colonic CMPs using high-resolution (HR) manometry (72 sensors, 1 cm resolution) and their relationship with proximal antegrade propagating events. Nine healthy volunteers were recruited. Recordings were performed over 4 h, with a 700 kcal meal given after 2 h. Propagating events were visually identified and analyzed by pattern, origin, amplitude, extent of propagation, velocity, and duration...
March 23, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28333685/a-spatially-resolved-network-spike-in-model-neuronal-cultures-reveals-nucleation-centers-circular-traveling-waves-and-drifting-spiral-waves
#9
A V Paraskevov, D K Zendrikov
We show that in model neuronal cultures, where the probability of interneuronal connection formation decreases exponentially with increasing distance between the neurons, there exists a small number of spatial nucleation centers of a network spike, from where the synchronous spiking activity starts propagating in the network typically in the form of circular traveling waves. The number of nucleation centers and their spatial locations are unique and unchanged for a given realization of neuronal network but are different for different networks...
March 23, 2017: Physical Biology
https://www.readbyqxmd.com/read/28332943/effects-of-different-models-of-dialysis-care-on-patient-important-outcomes-a-systematic-review-and-meta-analysis
#10
Priya Ramar, Ahmed T Ahmed, Zhen Wang, Sagar S Chawla, Maria Lourdes Gonzalez Suarez, LaTonya J Hickson, Ann Farrell, Amy W Williams, Nilay D Shah, M Hassan Murad, Bjorg Thorsteinsdottir
Ongoing payment reform in dialysis necessitates better patient outcomes and lower costs. Suggested improvements to processes of care for maintenance dialysis patients are abundant; however, their impact on patient-important outcomes is unclear. This systematic review included comparative randomized controlled trials or observational studies with no restriction on language, published from 2000 to 2014, involving at least 5 adult dialysis patients who received a minimum of 6 months of follow-up. The effect size was pooled and stratified by intervention strategy (multidisciplinary care [MDC], home dialysis, alternate dialysis settings, and electronic health record implementation)...
March 23, 2017: Population Health Management
https://www.readbyqxmd.com/read/28332645/epidemiological-role-of-birds-in-the-transmission-and-maintenance-of-zoonoses
#11
A Contreras, A Gómez-Martín, A Paterna, J Tatay-Dualde, M Prats-Van Der Ham, J C Corrales, C De La Fe, A Sánchez
The risk of zoonoses spreading from birds to humans is lower, quantitatively speaking, than the risk of transmission between other host groups, because the two taxonomic groups share fewer pathogens. Nevertheless, birds have a number of epidemiological characteristics that make them extremely important hosts in the transmission and maintenance of zoonoses, including their susceptibility to pathogens that are extremely hazardous to humans (such as highly pathogenic avian influenza virus, West Nile virus and Chlamydia psittaci) and their ability to travel long distances, especially in the case of migratory birds...
December 2016: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28332484/multivariate-regression-methods-for-estimating-velocity-of-ictal-discharges-from-human-microelectrode-recordings
#12
Jyun-You Liou, Elliot Smith, Lisa Bateman, Guy McKhann, Robert Goodman, Bradley Greger, Tyler Davis, Spencer Kellis, Paul House, Catherine Schevon
OBJECTIVE: Epileptiform discharges, an electrophysiological hallmark of seizures, can propagate across cortical tissue in a manner similar to traveling waves. Recent work has focused attention on the origination and propagation patterns of these discharges, yielding important clues to their source location and mechanism of travel. However, systematic studies of methods for measuring propagation are lacking. APPROACH: We analyzed epileptiform discharges in microelectrode array recordings of human seizures...
March 23, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28325829/effects-of-seed-density-and-proximity-to-refuge-habitat-on-seed-predation-rates-for-a-rare-and-a-common-lupinus-species
#13
Eleanor A Pardini, Melissa V Patten, Tiffany M Knight
PREMISE OF THE STUDY: Biotic interactions such as seed predation can play a role in explaining patterns of abundance among plant species. The effect of seed predation will depend on how the strength of predation differs across species and environments, and on the degree to which seed loss at one life-cycle phase increases fitness at another phase. Few studies have simultaneously quantified predispersal and postdispersal predation in co-occurring rare and common congeners, despite the value of estimating both for understanding causes of rarity...
March 21, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28325172/travelling-for-treatment-does-distance-and-deprivation-affect-travel-for-intensity-modulated-radiotherapy-in-the-rural-setting-for-head-and-neck-cancer
#14
B Cosway, L Douglas, N Armstrong, A Robson
OBJECTIVE: NHS England has commissioned intensity-modulated radiotherapy for head and neck cancers from Newcastle hospitals for patients in North Cumbria. This study assessed whether travel distances affected the decision to travel to Newcastle (to receive intensity-modulated radiotherapy) or Carlisle (to receive conformal radiotherapy). METHODS: All patients for whom the multidisciplinary team recommended intensity-modulated radiotherapy between December 2013 and January 2016 were included...
March 22, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28322450/patient-compliance-following-isolated-mandibular-fracture-repair
#15
J Paul Radabaugh, Adam Van Horn, Stephen A Chan, Jared M Shelton, Thomas J Gal
OBJECTIVE: Compliance with postoperative care in the maxillofacial trauma population often is considered poor. This lack of follow-up does not seem to be a function of decreased access to care but rather its anticipated lack of utilization. The goal of this study is to identify what factors are associated with increased compliance in postoperative management of mandible fractures. STUDY DESIGN: Retrospective cohort study. METHODS: Using Current Procedural Terminology codes to identify maxillofacial injuries requiring operative repair, a subset of isolated mandibular fractures was identified...
March 21, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28319989/practitioner-application-travel-distance-to-cancer-treatment-facilities-in-the-deep-south
#16
Amanda Henson
No abstract text is available yet for this article.
January 2017: Journal of Healthcare Management / American College of Healthcare Executives
https://www.readbyqxmd.com/read/28319988/travel-distance-to-cancer-treatment-facilities-in-the-deep-south
#17
Mary J Wills, Marilyn V Whitman, Thomas M English
Despite ongoing efforts to improve rural healthcare, the health problems facing rural communities persist. The lack of healthcare providers and infrastructure in rural areas has been linked to a number of negative consequences. Among the elderly rural population, the lack of proximal access presents greater barriers because many elderly people are further limited in their ability to travel and pay for services. In the Deep South specifically, rural residents experience limited access to care and overall poor health outcomes...
January 2017: Journal of Healthcare Management / American College of Healthcare Executives
https://www.readbyqxmd.com/read/28319701/tracking-effluent-discharges-in-undisturbed-stony-soil-and-alluvial-gravel-aquifer-using-synthetic-dna-tracers
#18
Liping Pang, Beth Robson, Kata Farkas, Erin McGill, Arvind Varsani, Lea Gillot, Jinhua Li, Phillip Abraham
With the intensification of human activities, fresh water resources are increasingly being exposed to contamination from effluent disposal to land. Thus, there is a greater need to identify the sources and pathways of water contamination to enable the development of better mitigation strategies. To track discharges of domestic effluent into soil and groundwater, 10 synthetic double-stranded DNA (dsDNA)(3) tracers were developed in this study. Laboratory column experiment and field groundwater and soil lysimeter studies were carried out spiking DNA with oxidation-pond domestic effluent...
March 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28315824/near-field-investigation-of-the-explosive-dispersal-of-radioactive-material-based-on-a-reconstructed-spherical-blast-wave-flow
#19
David Hummel, Lucian Ivan
A "dirty bomb" is a type of radiological dispersal device (RDD) that has been the subject of significant safety and security concerns given the disruption that would result from a postulated terrorist attack. Assessing the risks of radioactive dose in a hypothetical scenario requires models that can accurately predict dispersion in a realistic environment. Modelling a RDD is complicated by the fact that the most important phenomena occur over vastly disparate spatial and temporal length scales. Particulate dispersion in the air is generally considered on scales of hundreds to thousands of meters, and over periods of minutes and hours...
March 15, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28314064/analysis-of-patients-willingness-to-be-mobile-taking-into-account-individual-characteristics-and-two-exemplary-indications
#20
Jobst Augustin, Ines Schäfer, Matthias Augustin, Nicole Zander
BACKGROUND: With respect to health care planning, it is commonly assumed that patients consult the nearest physician. In reality, however, patients frequently accept great-er efforts/expenses than necessary to see a physician. The objective of the present study was to determine under which circumstances patients were willing to accept additional efforts/expenses, and which role sociodemographic and clinical characteristics play in this regard. METHODS: Data collection was carried out in the context of a multicenter cross-sectional study among office-based and hospital-affiliated (University Medical Center Hamburg-Eppendorf) dermatologists...
March 17, 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
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