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https://www.readbyqxmd.com/read/28231654/-relation-between-waist-circumference-and-risk-of-male-lung-cancer-incidence-a-prospective-cohort-study
#1
S H Xie, G Wang, L W Guo, S H Chen, K Su, F Li, S Chang, X S Feng, Z Y Lyu, Y H Chen, J S Ren, H Cui, N Li, S L Wu, M Dai, J He
Objective: To investigate the association between waist circumference and risk of male lung cancer incidence. Methods: Since May 1, 2006, all the male employees including the retirees in Kailuan Group had been recruited into a Chinese Kailuan Male Cohort study. Information on anthropometries including body weight, height and waist circumference were collected at the baseline investigation, as well as information on newly-diagnosed lung cancer cases during the follow-up period. Waist circumference was grouped by quintiles of the population waist circumference distribution and categorized into the following five groups: <80, 80-, 85-, 90- and ≥95 cm, with the relevant normal group, the second quintile group (80-cm), serving as the referent category...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28231637/preen-oil-and-bird-fitness-a-critical-review-of-the-evidence
#2
Gregorio Moreno-Rueda
The uropygial gland is a holocrine complex exclusive to birds that produces an oleaginous secretion (preen oil) whose function is still debated. Herein, I examine critically the evidence for the many hypotheses of potential functions of this gland. The main conclusion is that our understanding of this gland is still in its infancy. Even for functions that are considered valid by most researchers, real evidence is scarce. Although it seems clear that preen oil contributes to plumage maintenance, we do not know whether this is due to a role in reducing mechanical abrasion or in reducing feather degradation by keratinophilic organisms...
February 23, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28231623/compassion-fatigue-in-nurses-a-metasynthesis
#3
Anna G W Nolte, Charlene Downing, Annie Temane, Marie Hastings-Tolsma
AIM: The purpose of this research was to interpret the body of qualitative work focusing on compassion fatigue to distill a common understanding that could then be applied to nursing care. BACKGROUND: Complex demands place extraordinary stress on nurses struggling to work in overburdened healthcare systems. The result can be the inability to care well for others, leading to compassion fatigue, burnout, and increased numbers leaving the profession. Meta-synthesis offers a means of more fully illuminating compassion fatigue and further understanding of practices which might reduce its negative consequences...
February 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28231604/variations-in-body-morphology-explain-gender-differences-in-thermoeffector-function-during-compensable-heat-stress
#4
Sean R Notley, Joonhee Park, Kyoko Tagami, Norikazu Ohnishi, Nigel A S Taylor
Gender is sometimes thought to independently modulate cutaneous vasomotor and sudomotor function during heat exposure. Nevertheless, it was hypothesised that, when assessed during compensable exercise that evoked equal heat-loss requirements across participants, gender differences in those thermoeffectors would be explained by variations in the ratio between body surface area and mass (specific surface area). To evaluate that possibility, vasomotor and sudomotor functions were assessed in sixty individuals (36 males, 24 females) with widely varying (overlapping) specific surface areas (range: 232...
February 23, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28231336/comparison-of-neurological-health-outcomes-between-two-adolescent-cohorts-exposed-to-pesticides-in-egypt
#5
Ahmed A Ismail, Matthew R Bonner, Olfat Hendy, Gaafar Abdel Rasoul, Kai Wang, James R Olson, Diane S Rohlman
Pesticide-exposed adolescents may have a higher risk of neurotoxic effects because of their developing brains and bodies. However, only a limited number of studies have addressed this risk among adolescents. The aim of this study was to compare neurological outcomes from two cohorts of Egyptian adolescents working as pesticide applicators. In 2005 and 2009, two cohorts of male adolescents working as pesticide applicators for the cotton crop were recruited from Menoufia Governorate, Egypt. The same application schedule and pesticides were used at both times, including both organophosphorus, and pyrethroid compounds...
2017: PloS One
https://www.readbyqxmd.com/read/28231296/cooperation-decision-time-and-culture-online-experiments-with-american-and-indian-participants
#6
Akihiro Nishi, Nicholas A Christakis, David G Rand
Two separate bodies of work have examined whether culture affects cooperation in economic games and whether cooperative or non-cooperative decisions occur more quickly. Here, we connect this work by exploring the relationship between decision time and cooperation in American versus Indian subjects. We use a series of dynamic social network experiments in which subjects play a repeated public goods game: 80 sessions for a total of 1,462 subjects (1,059 from the United States, 337 from India, and 66 from other countries) making 13,560 decisions...
2017: PloS One
https://www.readbyqxmd.com/read/28230845/dynamic-models-of-large-scale-brain-activity
#7
REVIEW
Michael Breakspear
Movement, cognition and perception arise from the collective activity of neurons within cortical circuits and across large-scale systems of the brain. While the causes of single neuron spikes have been understood for decades, the processes that support collective neural behavior in large-scale cortical systems are less clear and have been at times the subject of contention. Modeling large-scale brain activity with nonlinear dynamical systems theory allows the integration of experimental data from multiple modalities into a common framework that facilitates prediction, testing and possible refutation...
February 23, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28230233/establishment-and-growth-responses-of-nile-tilapia-embryonic-stem-like-cell-lines-under-feeder-free-condition
#8
Zhenhua Fan, Linyan Liu, Xiaohuan Huang, Yang Zhao, Linyan Zhou, Deshou Wang, Jing Wei
Embryonic stem (ES) cells provide an invaluable tool for molecular analysis of vertebrate development and a bridge linking genomic manipulations in vitro and functional analysis of target genes in vivo. Work towards fish ES cells so far has focused on zebrafish (Danio renio) and medaka (Oryzias latipes). Here we describe the derivation, pluripotency, differentiation and growth responses of ES cell lines from Nile tilapia (Oreochromis niloticus), a world-wide commercial farmed fish. These cell lines, designated as TES1-3, were initiated from blastomeres of Nile tilapia middle blastula embryos (MBE)...
February 23, 2017: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/28230072/improved-social-interaction-recognition-and-working-memory-with-cannabidiol-treatment-in-a-prenatal-infection-poly-i-c-rat-model
#9
Ashleigh L Osborne, Nadia Solowij, Ilijana Babic, Xu-Feng Huang, Katrina Weston-Green
Neuropsychiatric disorders such as schizophrenia are associated with cognitive impairment, including learning, memory and attention deficits. Antipsychotic drugs are limited in their efficacy to improve cognition; therefore, new therapeutic agents are required. Cannabidiol (CBD), the non-intoxicating component of cannabis, has anti-inflammatory, neuroprotective and antipsychotic-like properties, however, its ability to improve the cognitive deficits of schizophrenia remains unclear. Using a prenatal infection model, we examined the effect of chronic CBD treatment on cognition and social interaction...
February 23, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28229390/the-reproducibility-of-blood-acid-base-responses-in-male-collegiate-athletes-following-individualised-doses-of-sodium-bicarbonate-a-randomised-controlled-crossover-study
#10
Lewis A Gough, Sanjoy K Deb, Andy S Sparks, Lars R McNaughton
BACKGROUND: Current evidence suggests sodium bicarbonate (NaHCO3) should be ingested based upon the individualised alkalotic peak of either blood pH or bicarbonate (HCO3(-)) because of large inter-individual variations (10-180 min). If such a strategy is to be practical, the blood analyte response needs to be reproducible. OBJECTIVE: This study aimed to evaluate the degree of reproducibility of both time to peak (TTP) and absolute change in blood pH, HCO3(-) and sodium (Na(+)) following acute NaHCO3 ingestion...
February 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28228822/the-feasibility-of-implementation-of-ultrasound-equipment-standards-set-by-united-kingdom-professional-bodies
#11
Nicholas J Dudley, Debbie Harries, Jessica Wardle
INTRODUCTION: The Royal College of Radiologists and the Society and College of Radiographers in the United Kingdom published 'Standards for the provision of an ultrasound service', including application-specific limiting values for resolution and penetration. No measurement methods were detailed. We aimed to explore a possible theoretical basis for the standards and to develop a measurement protocol. METHODS: Since application-specific standards fail to account for probes of different frequencies used for similar applications and no evidence for the standards was provided, we developed generic standards based on theoretical considerations...
February 2017: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/28228504/the-dynamics-of-gastric-emptying-and-self-reported-feelings-of-satiation-are-better-predictors-than-gastrointestinal-hormones-of-the-effects-of-lipid-emulsion-structure-on-fat-digestion-in-healthy-adults-a-bayesian-inference-approach
#12
Andreas Steingoetter, Simon Buetikofer, Jelena Curcic, Dieter Menne, Jens F Rehfeld, Michael Fried, Werner Schwizer, Tim J Wooster
Background: Limited information exists on the relation between fat emulsion structure and its effect on the release of gastrointestinal hormones and feelings of satiation.Objective: We investigated the impact of fat emulsion droplet size, gravitational and acid stability, and redispersibility on gastrointestinal responses and sought to deduce the relative importance of the hormones ghrelin, cholecystokinin, glucagon-like peptide-1, and peptide YY (PYY) in controlling fat emptying and related satiation.Methods: Within a randomized, double-blind, 4-armed crossover study, an extensive data set was generated by MRI of gastric function, analysis of hormone profiles, and ratings of satiation in healthy participants [10 women and 7 men with a mean ± SD age of 25 ± 7 y and body mass index (in kg/m(2)) of 22 ± 1] after intake of 4 different fat emulsions...
February 22, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28228457/impact-of-workplace-physical-activity-interventions-on-physical-activity-and-cardiometabolic-health-among-working-age-women-a-systematic-review-and-meta-analysis
#13
Jennifer L Reed, Stephanie A Prince, Cara G Elliott, Kerri-Anne Mullen, Heather E Tulloch, Swapnil Hiremath, Lisa M Cotie, Andrew L Pipe, Robert D Reid
BACKGROUND: Cardiovascular disease is the leading cause of death among women in high-income Organization for Economic Co-operation and Development countries. Physical activity is protective for cardiovascular disease. The realities of modern life require working-age women to address work-related, family, and social demands. Few working-age women meet current moderate-to-vigorous-intensity physical activity (MVPA) recommendations. Given that working-age women spend a substantial proportion of their waking hours at work, places of employment may be an opportune and a controlled setting to implement programs, improving MVPA levels and enhancing cardiometabolic health...
February 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28228414/moderate-and-sustained-exercise-modulates-muscle-proteolytic-and-myogenic-markers-in-gilthead-sea-bream-sparus-aurata
#14
Emilio J Vélez, Sheida Azizi, Esmail Lutfi, Encarnación Capilla, Alberto Moya, Isabel Navarro, Jaume Fernández-Borràs, Josefina Blasco, Joaquim Gutiérrez
Swimming activity primarily accelerates growth in fish by increasing protein synthesis and energy efficiency. The role of muscle in this process is remarkable and especially important in teleosts, where muscle represents a high percentage of body weight, and by the continuous growth that many fish species present. The aim of this work was to characterize the effects of five weeks of moderate and sustained swimming in gene and protein expression of myogenic regulatory factors, proliferation markers and proteolytic molecules in two muscle regions (anterior and caudal) of gilthead sea bream fingerlings...
February 22, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28228317/short-term-therapy-with-combination-dipeptidyl-peptidase-4-inhibitor-saxagliptin-metformin-extended-release-xr-is-superior-to-saxagliptin-or-metformin-xr-monotherapy-in-prediabetic-women-with-polycystic-ovary-syndrome-a-single-blind-randomized-pilot-study
#15
Karen E Elkind-Hirsch, Martha S Paterson, Ericka L Seidemann, Hanh C Gutowski
OBJECTIVE: To evaluate efficacy with the dipeptidyl peptidase-4 inhibitor saxagliptin (SAXA), metformin extended release (MET), and combination (SAXA-MET) in patients with polycystic ovary syndrome (PCOS) and impaired glucose regulation. DESIGN: Prospective, randomized, single-blind drug study. SETTING: Outpatient clinic. PATIENT(S): Patients (n = 38) with PCOS (aged 18-42 years) and prediabetic hyperglycemia determined by a 75-gram oral glucose tolerance test...
January 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28228151/unravelling-effectiveness-of-a-nurse-led-behaviour-change-intervention-to-enhance-physical-activity-in-patients-at-risk-for-cardiovascular-disease-in-primary-care-study-protocol-for-a-cluster-randomised-controlled-trial
#16
Heleen Westland, Irene D Bos-Touwen, Jaap C A Trappenburg, Carin D Schröder, Niek J de Wit, Marieke J Schuurmans
BACKGROUND: Self-management interventions are considered effective in patients with chronic disease, but trials have shown inconsistent results, and it is unknown which patients benefit most. Adequate self-management requires behaviour change in both patients and health care providers. Therefore, the Activate intervention was developed with a focus on behaviour change in both patients and nurses. The intervention aims for change in a single self-management behaviour, namely physical activity, in primary care patients at risk for cardiovascular disease...
February 22, 2017: Trials
https://www.readbyqxmd.com/read/28227992/modeling-and-design-of-antennas-for-implantable-telemetry-applications
#17
Arun Venkatasubramanian, Brandon Gifford, Arun Venkatasubramanian, Brandon Gifford, Brandon Gifford, Arun Venkatasubramanian
Incorporating an RF communications link in an implanted medical device can increase its range of applicability and improve quality of life for the patient. Developments in support electronics decrease design risk, but the implanted antenna remains a critical component of a communications link that operates at very low received power. Transmitted power is limited both by regulatory restrictions and, for most implanted devices, by power source capacity. Dielectric losses and wave trapping in the body result in transmission losses much greater than seen in free space communications...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227939/effects-of-coplanar-shielding-for-high-field-mri
#18
Joseph V Rispoli, Matthew D Wilcox, Samantha By, Steven M Wright, Mary P McDougall, Joseph V Rispoli, Matthew D Wilcox, Samantha By, Steven M Wright, Mary P McDougall, Matthew D Wilcox, Steven M Wright, Samantha By, Mary P McDougall, Joseph V Rispoli
This work investigates the efficacy of "coplanar shielding," in which copper shields are oriented concentric and coplanar to the RF coils rather than implemented as a full ground plane behind them. Following FDTD simulations to determine optimal shielding parameters, two coil geometries were constructed: a circular loop surface coil and a half-volume five-element receive array. Each was evaluated using bench measurements with and without coplanar shielding. Imaging, including accelerated SENSE imaging, was performed with the shielded and unshielded receive arrays on a whole-body 7T scanner...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227886/development-of-an-open-source-cosimulation-method-of-the-knee
#19
Anne Schmitz, Davide Piovesan, Anne Schmitz, Davide Piovesan, Anne Schmitz, Davide Piovesan
Rigid body dynamics and soft tissue loads are solved simultaneously in a cosimulation framework to couple musculoskeletal dynamics and tissue mechanics. The goal of this work was to implement a validated, open-source cosimulation framework of the knee to determine how this coupling affects computed cartilage loads. The kinematic knee joint of a generic whole body model in the open-source software OpenSim was replaced by a previously developed discrete element knee model that consisted of a six degree of freedom (dof) tibiofemoral joint and one dof patellofemoral joint...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227708/towards-detection-of-sleep-apnea-events-by-combining-different-non-contact-measurement-modalities
#20
Abdul Q Javaid, Carlo M Noble, Russell Rosenberg, Mary A Weitnauer, Abdul Q Javaid, Carlo M Noble, Russell Rosenberg, Mary A Weitnauer, Carlo M Noble, Abdul Q Javaid, Mary A Weitnauer, Russell Rosenberg
In this work, we extract features from an under-the-mattress impulse radio ultra-wide band (IR-UWB) radar and a microphone, placed on the side table of the bed, to classify epochs belonging to normal sleep and those that contain an apnea event in them. Sleep apnea is the most common form of sleep related breathing disorder in adults with an estimated prevalance of 5-15%. The common diagnostic process for sleep apnea, polysomnography (PSG), involves sleeping in well-equipped sleep clinics. The cost and discomfort associated with the process has spurred research towards the design of portable home-based monitoring devices...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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