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https://www.readbyqxmd.com/read/28449323/in-vitro-comparison-of-renal-stone-laser-treatment-using-fragmentation-and-popcorn-technique
#1
Paul Klaver, Tjeerd de Boorder, Alex I Rem, Tycho M T W Lock, Herke Jan Noordmans
OBJECTIVE: To study the effectiveness of two laser techniques clinically used to fragment renal stones: fragmenting technique (FT) and popcorn technique (PT). METHODS: Phantom stones were placed in a test tube filled with water, mimicking a renal calyx model. A Holmium:YAG laser was used for fragmentation using both techniques. Four series of experiments were performed with two parameters: the technique (FT or PT) and the number of stones in the test tube (one or four)...
April 27, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28448506/the-dynamics-of-behavior-in-modified-dictator-games
#2
Jeannette Brosig-Koch, Thomas Riechmann, Joachim Weimann
We investigate the dynamics of individual pro-social behavior over time. The dynamics are tested by running the same experiment with the same subjects at several points in time. To exclude learning and reputation building, we employ non-strategic decision tasks and a sequential prisoners-dilemma as a control treatment. In the first wave, pro-social concerns explain a high share of individual decisions. Pro-social decisions decrease over time, however. In the final wave, most decisions can be accounted for by assuming pure selfishness...
2017: PloS One
https://www.readbyqxmd.com/read/28448308/the-effects-of-prenatal-maternal-stress-on-early-temperament-the-2011-queensland-flood-study
#3
Gabrielle Simcock, Guillaume Elgbeili, David P Laplante, Sue Kildea, Vanessa Cobham, Helen Stapleton, Marie-Paule Austin, Alain Brunet, Suzanne King
OBJECTIVE: This study examined the effects of disaster-related prenatal maternal stress on infant temperament and whether the sex of the infant or the timing of the stressor in pregnancy would moderate the effects. METHODS: Mothers' objective experiences of a sudden-onset flood in Queensland, Australia, their subjective emotional reactions, and cognitive appraisal of the event were assessed. At 6 months postpartum, 121 mothers reported their infant's temperament on the 5 dimensions of the Short Temperament Scale for Infants...
April 26, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28448208/explanations-for-not-receiving-the-seasonal-influenza-vaccine-an-ontario-canada-based-survey
#4
Samantha B Meyer, Rebecca Lum
Despite evidence of the importance of the seasonal influenza vaccine for both individual and population health, only a third of the Ontario population received the vaccine in 2013/2014. The objective of this study was to identify why Ontarians are not getting the seasonal influenza vaccine. Written responses to the question "Why didn't you get the seasonal flu vaccine in the last flu season?" were deductively analyzed using the Conceptual Model of Vaccine Hesitancy. Inductive coding was also conducted to identify explanations that fall outside of the present model and may be unique to the seasonal influenza vaccine...
April 27, 2017: Journal of Health Communication
https://www.readbyqxmd.com/read/28447622/modern-clinical-research-on-lsd
#5
REVIEW
Matthias E Liechti
All modern clinical studies using the classic hallucinogen lysergic acid diethylamide (LSD) in healthy subjects or patients in the last 25 years are reviewed herein. There were five recent studies in healthy participants and one in patients. In a controlled setting, LSD acutely induced bliss, audiovisual synesthesia, altered meaning of perceptions, derealization, depersonalization, and mystical experiences. These subjective effects of LSD were mediated by the 5-HT2A receptor. LSD increased feelings of closeness to others, openness, trust, and suggestibility...
April 27, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28447476/mtbvac-from-discovery-to-clinical-trials-in-tuberculosis-endemic-countries
#6
Dessislava Marinova, Jesus Gonzalo-Asensio, Nacho Aguilo, Carlos Martin
BCG remains the only vaccine against tuberculosis (TB) in use today and despite its impressive global coverage, the nature of BCG protection against the pulmonary forms of TB remains subject to ongoing debate. Because of the limitations of BCG, novel TB vaccine candidates have been developed and several have reached the clinical pipeline. One of these candidates is MTBVAC, the first and only TB vaccine in the clinical pipeline to date based on live-attenuated Mycobacterium tuberculosis that has successfully entered clinical evaluation, a historic milestone in human vaccinology...
April 27, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28447245/neuroanatomical-variations-as-a-function-of-experience-in-a-complex-daily-task-a-vbm-and-dti-study-on-driving-experience
#7
Alberto Megías, D Petrova, J F Navas, A Cándido, A Maldonado, A Catena
Complex tasks require the learning and integration of multiple cognitive, sensory, and psychomotor skills for correct execution. Driving-related skills are developed step by step through the increase of mileage driven and the accumulation of practice in different traffic situations. The acquisition of these skills should be reflected in the brain structure. However, no previous studies have explored brain structural variations associated with driving experience. The aim of the present study was to investigate whether driving frequency, defined as average annual driving mileage, is related to neuroanatomical variations in gray matter (GM) volume and white matter (WM) integrity using voxel-based morphometry (VBM) and DTI-based fractional anisotropy (FA), respectively...
April 26, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28446418/compliance-with-mobile-ecological-momentary-assessment-protocols-in-children-and-adolescents-a-systematic-review-and-meta-analysis
#8
Cheng K Fred Wen, Stefan Schneider, Arthur A Stone, Donna Spruijt-Metz
BACKGROUND: Mobile device-based ecological momentary assessment (mobile-EMA) is increasingly used to collect participants' data in real-time and in context. Although EMA offers methodological advantages, these advantages can be diminished by participant noncompliance. However, evidence on how well participants comply with mobile-EMA protocols and how study design factors associated with participant compliance is limited, especially in the youth literature. OBJECTIVE: To systematically and meta-analytically examine youth's compliance to mobile-EMA protocols and moderators of participant compliance in clinical and nonclinical settings...
April 26, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28446065/late-recovery-from-permanent-vegetative-state-in-the-context-of-severe-traumatic-brain-injury-a-case-report-exploring-objective-and-subjective-aspects-of-recovery-and-rehabilitation
#9
Nathan Anthony Illman, Sarah Crawford
This article provides a detailed outline of the recovery of a young male patient during his emergence from a vegetative state (VS) 19 months after suffering a severe traumatic brain injury. Several similar cases have been documented, but these tend not to consider the subjective experience of the patient or family; our aim was therefore to provide a detailed account that emphasises our neuropsychological exploration of the impact of the injury on this person, and looks at the experience of his mother along the timeline from his accident to the end of a successful period in rehabilitation...
April 26, 2017: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/28445774/voxresnet-deep-voxelwise-residual-networks-for-brain-segmentation-from-3d-mr-images
#10
REVIEW
Hao Chen, Qi Dou, Lequan Yu, Jing Qin, Pheng-Ann Heng
Segmentation of key brain tissues from 3D medical images is of great significance for brain disease diagnosis, progression assessment and monitoring of neurologic conditions. While manual segmentation is time-consuming, laborious, and subjective, automated segmentation is quite challenging due to the complicated anatomical environment of brain and the large variations of brain tissues. We propose a novel voxelwise residual network (VoxResNet) with a set of effective training schemes to cope with this challenging problem...
April 23, 2017: NeuroImage
https://www.readbyqxmd.com/read/28445621/calm-to-chaos-engaging-undergraduate-nursing-students-with-the-complex-nature-of-interruptions-during-medication-administration
#11
Carolyn Hayes, Debra Jackson, Patricia M Davidson, John Daly, Tamara Power
AIMS AND OBJECTIVES: This paper describes undergraduate student nurse responses to a simulated role-play experience focussing on managing interruptions during medication administration. BACKGROUND: Improving patient safety requires that we find creative and innovative methods of teaching medication administration to undergraduate nurses in real-world conditions. Nurses are responsible for the majority of medication administrations in health care. Incidents and errors associated with medications are a significant patient safety issue and often occur as a result of interruptions...
April 26, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28445489/video-quality-assessment-using-motion-compensated-temporal-filtering-and-manifold-feature-similarity
#12
Yang Song, Mei Yu, Gangyi Jiang, Feng Shao, Zongju Peng
Well-performed Video quality assessment (VQA) method should be consistent with human visual systems for better prediction accuracy. In this paper, we propose a VQA method using motion-compensated temporal filtering (MCTF) and manifold feature similarity. To be more specific, a group of frames (GoF) is first decomposed into a temporal high-pass component (HPC) and a temporal low-pass component (LPC) by MCTF. Following this, manifold feature learning (MFL) and phase congruency (PC) are used to predict the quality of temporal LPC and temporal HPC respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28444949/voxel-based-morphometry-meta-analysis-of-gray-and-white-matter-finds-significant-areas-of-differences-in-bipolar-patients-from-healthy-controls
#13
REVIEW
Rossana Ganzola, Simon Duchesne
OBJECTIVE: We present a retrospective meta-analysis of voxel-based morphometry (VBM) of gray (GM) and white matter (WM) differences between patients with bipolar disorder (BD) and behaviorally healthy controls. METHODS: We used the activation likelihood estimation and Sleuth software for our meta-analysis, considering P-value maps at the cluster level inference of .05 with uncorrected P<.001. Results were visualized with the software MANGO. RESULTS: We included twenty-five articles in the analysis, and separated the comparisons where BD patients had lower GM or WM concentrations than controls (573 subjects, 21 experiments, and 117 locations/180 subjects, five experiments, and 15 locations, respectively) and the comparisons where BD patients had greater GM concentrations than controls (217 subjects, nine experiments, and 49 locations)...
April 26, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28444935/hydration-status-influences-the-measurement-of-arterial-stiffness
#14
Aaron R Caldwell, Matthew A Tucker, Jenna Burchfield, Nicole E Moyen, Alf Z Satterfield, Ashley Six, Brendon P McDermott, Sean W Mulvenon, Matthew S Ganio
Consensus guidelines have attempted to standardize the measurement and interpretation of pulse wave velocity (PWV); however, guidelines have not addressed whether hydration status affects PWV. Moreover, multiple studies have utilized heat stress to reduce arterial stiffness which may lead to dehydration. This study utilized two experiments to investigate the effects of dehydration on PWV at rest and during passive heat stress. In experiment 1, subjects (n = 19) completed two trials, one in which they arrived euhydrated and one dehydrated (1·2[1·0]% body mass loss)...
April 26, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28444716/the-relative-bioavailability-of-ibuprofen-after-administration-with-a-novel-soft-chewable-drug-formulation
#15
Magnus N Hattrem, Morten J Dille, Tore Seternes, Thorfinn Ege, Kurt I Draget
The first aim of the present study was to evaluate the bioavailability of ibuprofen dispersed in a novel soft chewable formulation compared with a traditional ibuprofen tablet; its second was to map the quality of taste masking and patient product satisfaction. In a phase 1, single-center, open-label, randomized, crossover study, healthy subjects received a soft-chew formulation or a hard tablet (reference), both containing 100 mg ibuprofen. Serial blood samples were collected over 24 hours to assess ibuprofen bioavailability...
April 25, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/28444634/watching-diagnoses-develop-eye-movements-reveal-symptom-processing-during-diagnostic-reasoning
#16
Agnes Scholz, Josef F Krems, Georg Jahn
Finding a probable explanation for observed symptoms is a highly complex task that draws on information retrieval from memory. Recent research suggests that observed symptoms are interpreted in a way that maximizes coherence for a single likely explanation. This becomes particularly clear if symptom sequences support more than one explanation. However, there are no existing process data available that allow coherence maximization to be traced in ambiguous diagnostic situations, where critical information has to be retrieved from memory...
April 25, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28444611/impact-of-collection-on-bark-regeneration-from-stryphnodendron-rotundifolium-mart-in-northeastern-brazil
#17
Ivanilda Soares Feitosa, André Sobral, Júlio Marcelino Monteiro, Elcida Lima Araújo, Ulysses Paulino Albuquerque
The growing commercial demand for products with medicinal use has caused overexploitation of several plant species worldwide. To prevent the decline of these populations, the collection of these resources should be done in a sustainable way considering the time of its replacement in natural stocks. This study was designed to identify the relationship between different intensities of extraction of bark from the trunk of Stryphnodendron rotundifolium Mart. and its regeneration speed. For this, we selected two areas of Cerrado in the Northeast of Brazil, where a monitoring experiment with duration of 24 months was performed...
May 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28444316/oxytocin-facilitates-reciprocity-in-social-communication
#18
Franny B Spengler, Dirk Scheele, Nina Marsh, Charlotte Kofferath, Aileen Flach, Sarah Schwarz, Birgit Stoffel-Wagner, Wolfgang Maier, René Hurlemann
Synchrony in social groups may confer significant evolutionary advantages by improving group cohesion and social interaction. However, the neurobiological mechanisms translating social synchrony into refined social information transmission between interacting individuals are still elusive. In two successively conducted experiments involving a total of 199 healthy volunteers, we explored the involvement of the neuropeptide oxytocin (OXT) in reciprocal social interaction. First, we show that synchronous social interactions evoke heightened endogenous OXT release in dyadic partners...
April 21, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28444091/risk-factors-for-mortality-in-ventilator-associated-tracheobronchitis-a-case-control-study
#19
Leonilda Giani Pontes, Fernando Gatti de Menezes, Priscila Gonçalves, Alexandra do Rosário Toniolo, Claudia Vallone Silva, Julia Yaeko Kawagoe, Camila Marques Dos Santos, Helena Maria Fernandes Castagna, Marinês Dalla Valle Martino, Luci Corrêa
Objective: To describe the microbiological characteristics and to assess the risk factors for mortality of ventilator-associated tracheobronchitis in a case-control study of intensive care patients. Methods: This case-control study was conducted over a 6-year period in a 40-bed medical-surgical intensive care unit in a tertiary care, private hospital in São Paulo, Brazil. Case patients were identified using the Nosocomial Infection Control Committee database. For the analysis of risk factors, matched control subjects were selected from the same institution at a 1:8...
2017: Einstein
https://www.readbyqxmd.com/read/28444042/regionalization-in-the-sus-implementation-process-challenges-and-perspectives-in-the-critical-view-of-system-managers
#20
Andre Luis Bonifácio de Carvalho, Washington Luiz Abreu de Jesus, Isabel Maria Vilas Boas Senra
This article examines the regionalization process in the Brazilian Health System, identifying frameworks and challenges of this process from critical dialogue on the subject, contextualized by the experience of the management system and in the light of an established theoretical debate in the last decade. We used the thematic content analysis of legal and documentary surveys of the regionalization process in SUS, collated by elements of the historical and political context in the period. As evidence, it appears that the regionalization process has been incremental decentralization/deconcentration of management and health actions and services...
April 2017: Ciência & Saúde Coletiva
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