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https://www.readbyqxmd.com/read/28938103/let-s-talk-about-sex-a-qualitative-study-exploring-the-experiences-of-hiv-nurses-when-discussing-sexual-risk-behaviours-with-hiv-positive-men-who-have-sex-with-men
#1
S de Munnik, C den Daas, H S M Ammerlaan, G Kok, M S Raethke, S C J M Vervoort
BACKGROUND: Despite prevention efforts, the incidence of sexually transmitted infection among HIV-positive men who have sex with men remains high, which is indicative of unchanged sexual risk behaviour. Discussing sexual risk behaviour has been shown to help prevent sexually transmitted infections among HIV-positive men who have sex with men. OBJECTIVES: The aim of this study was to identify factors that influence whether - and how - specialised HIV nurses discuss sexual risk behaviour with HIV-positive men who have sex with men...
September 6, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28937664/transition-metal-free-chemo-and-regioselective-vinylation-of-azaallyls
#2
Minyan Li, Osvaldo Gutierrez, Simon Berritt, Ana Pascual-Escudero, Ahmet Yeşilçimen, Xiaodong Yang, Javier Adrio, Georgia Huang, Eiko Nakamaru-Ogiso, Marisa C Kozlowski, Patrick J Walsh
Direct C(sp(3))-C(sp(2)) bond formation under transition-metal-free conditions offers an atom-economical, inexpensive and environmentally benign alternative to traditional transition-metal-catalysed cross-coupling reactions. A new chemo- and regioselective coupling protocol between 3-aryl-substituted-1,1-diphenyl-2-azaallyl derivatives and vinyl bromides has been developed. This is the first transition-metal-free cross-coupling of azaallyls with vinyl bromide electrophiles and delivers allylic amines in excellent yields (up to 99%)...
October 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28937494/high-pitch-coronary-computed-tomographic-angiography-using-the-third-generation-dual-source-computed-tomography-initial-experience-in-patients-with-high-heart-rate
#3
Ruiqi Feng, Jingsong Mao, Xiaofei Liu, Yu Zhao, Jiajie Tong, Liang Zhang
OBJECTIVE: This study aimed to evaluate the feasibility, image quality, and radiation dose of prospectively high-pitch coronary computed tomographic (CT) angiography in patients with high heart rates (HRs) using the third-generation dual-source CT. METHODS: One hundred consecutive patients with sinus rhythm and HR between 70 and 100 beats per minute were enrolled into this study. All patients were divided into 2 groups. Patients in group A (n = 46) were examined with prospectively high-pitch scan mode in which image acquisition was triggered at 30% of the R-R interval...
September 20, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28937340/research-domain-criteria-as-psychiatric-nosology
#4
Faisal Akram, James Giordano
Diagnostic classification systems in psychiatry have continued to rely on clinical phenomenology, despite limitations inherent in that approach. In view of these limitations and recent progress in neuroscience, the National Institute of Mental Health (NIMH) has initiated the Research Domain Criteria (RDoC) project to develop a more neuroscientifically based system of characterizing and classifying psychiatric disorders. The RDoC initiative aims to transform psychiatry into an integrative science of psychopathology in which mental illnesses will be defined as involving putative dysfunctions in neural nodes and networks...
October 2017: Cambridge Quarterly of Healthcare Ethics: CQ: the International Journal of Healthcare Ethics Committees
https://www.readbyqxmd.com/read/28937288/pain-and-side-effects-associated-with-4-dimensional-hysterosalpingo-contrast-sonography-for-evaluating-of-the-fallopian-tubes-patency
#5
Hongbo Li, MeiMei Zhang, Ye Qiang, YunFei Ma, ShuXia Mao, Hao Zhang
4-Dimensional hysterosalpingo-contrast sonography (4 D HyCoSy) using SonoVue is regarded as a really good option available for evaluating fallopian tubal patency. This study was designed to assess the pain and adverse effects incurred by women undergoing 4 D HyCoSy. Through evaluating the pelvic pain immediately after 4 D HyCoSy and 30 min after 4 D HyCoSy, the circumstances of the pain relief was also observed. The predictive factors of pain were assessed simultaneously. 827 consecutive women as part of infertility evaluation were included...
September 22, 2017: Computer Assisted Surgery (Abingdon, England)
https://www.readbyqxmd.com/read/28936883/taking-back-a-little-of-what-you-have-lost-the-meaning-of-using-an-environmental-control-system-ecs-for-people-with-high-cervical-spinal-cord-injury
#6
Michele Verdonck, Maeve Nolan, Gill Chard
PURPOSE: Assistive technologies have deep and personal meanings for people with disabilities. This study sought to provide an in-depth exploration of the subjective meaning of Environmental Control System (ECS) use for people with high cervical spinal cord injury. MATERIALS AND METHOD: Interpretative Phenomenological Analysis (IPA) was used to explore the personal meaning of ECS. In-depth interviews with five participants were analyzed according to recommended IPA guidelines to produce a rich phenomenological account of lived experience...
September 22, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28936698/recommendations-for-mechanical-ventilation-of-critically-ill-children-from-the-paediatric-mechanical-ventilation-consensus-conference-pemvecc
#7
Martin C J Kneyber, Daniele de Luca, Edoardo Calderini, Pierre-Henri Jarreau, Etienne Javouhey, Jesus Lopez-Herce, Jürg Hammer, Duncan Macrae, Dick G Markhorst, Alberto Medina, Marti Pons-Odena, Fabrizio Racca, Gerhard Wolf, Paolo Biban, Joe Brierley, Peter C Rimensberger
PURPOSE: Much of the common practice in paediatric mechanical ventilation is based on personal experiences and what paediatric critical care practitioners have adopted from adult and neonatal experience. This presents a barrier to planning and interpretation of clinical trials on the use of specific and targeted interventions. We aim to establish a European consensus guideline on mechanical ventilation of critically children. METHODS: The European Society for Paediatric and Neonatal Intensive Care initiated a consensus conference of international European experts in paediatric mechanical ventilation to provide recommendations using the Research and Development/University of California, Los Angeles, appropriateness method...
September 22, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28936614/variable-criteria-sequential-stopping-rule-validity-and-power-with-repeated-measures-anova-multiple-correlation-manova-and-relation-to-chi-square-distribution
#8
Douglas A Fitts
The variable criteria sequential stopping rule (vcSSR) is an efficient way to add sample size to planned ANOVA tests while holding the observed rate of Type I errors, αo, constant. The only difference from regular null hypothesis testing is that criteria for stopping the experiment are obtained from a table based on the desired power, rate of Type I errors, and beginning sample size. The vcSSR was developed using between-subjects ANOVAs, but it should work with p values from any type of F test. In the present study, the αo remained constant at the nominal level when using the previously published table of criteria with repeated measures designs with various numbers of treatments per subject, Type I error rates, values of ρ, and four different sample size models...
September 21, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28936192/the-intricate-relationship-between-psychotic-like-experiences-and-associated-subclinical-symptoms-in-healthy-individuals
#9
Lui Unterrassner, Thomas A Wyss, Diana Wotruba, Helene Haker, Wulf Rössler
The interplay between subclinical psychotic, negative, and affective symptoms has gained increased attention regarding the etiology of psychosis spectrum and other mental disorders. Importantly, research has tended to not differentiate between different subtypes of psychotic-like experiences (PLE) although they may not have the same significance for mental health. In order to gain information on the subclinical interplay between specific PLE and other symptoms as well as the significance of PLE for mental health, we investigated their specific associations in 206 healthy individuals (20-60 years, 73 females) using correlational and linear regression analyses...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28936179/seasonal-variations-in-heart-rate-variability-as-an-indicator-of-stress-in-free-ranging-pregnant-przewalski-s-horses-e-ferus-przewalskii-within-the-hortob%C3%A3-gy-national-park-in-hungary
#10
Friederike Pohlin, Kristin Brabender, Gerhard Fluch, Gabrielle Stalder, Thierry Petit, Chris Walzer
Background: Ecosystems with seasonal fluctuations in climate and food availability present physiological challenges to resident mammals and may cause "stress." The two predominant physiological responses to stressors are (1) the activation of the hypothalamic-pituitary-adrenal axis and (2) the modulation of the autonomic nervous system. To date, the primary indicator for "stress" in wildlife- and zoo animal research are glucocorticoid levels. By measuring the autonomic regulation of cardiac activity, particularly the vagal tone, heart rate variability (HRV) is presently emerging as a suitable indicator of "stress" in farm- and domestic animal research...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28935131/which-research-questions-are-important-for-the-bereaved-families-of-palliative-care-cancer-patients-a-nationwide-survey
#11
Akihiro Sakashita, Tatsuya Morita, Megumi Kishino, Maho Aoyama, Yoshiyuki Kizawa, Satoru Tsuneto, Yasuo Shima, Mitsunori Miyashita
CONTEXT: Bereaved family members are present from diagnosis to the end of life and can look back and evaluate the experience; additionally, the family itself is also an important subject in the care of the patient. Therefore, while it is essential to determine the priority research issues from the viewpoint of the patients and health care workers, it is also crucial to know the important research themes from the viewpoint of the bereaved family members. OBJECTIVES: The purpose of this study was to identify research priorities for palliative care in Japan, based on the viewpoint of bereaved family members...
September 18, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28934923/discriminative-sparse-features-for-alzheimer-s-disease-diagnosis-using-multimodal-image-data
#12
A Ortiz, F Lozano, J M Gorriz, J Ramírez, F J Martinez-Murci, For The Alzheimer S Disease Neuroimaging Initiative
BACKGROUND: Feature extraction in medical image processing still remains a challenge, especially in high-dimensionality datasets, where the expected number of available samples is considerably lower than the dimension of the feature space. This is a common problem in real-world data, and, specifically, in medical image pro- cessing as, while images are composed of hundreds of thousands voxels, only a reduced number of patients are available. OBJECTIVE: Extracting descriptive and discriminative features to represent each sample (image) by a small number of features, which is particularly important in classification task, due to the curse of dimensionality problem...
September 21, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28934607/a-visible-light-driven-heterojuncted-composite-wo3-bi12o17cl2-synthesis-characterization-and-improved-photocatalytic-performance
#13
Jiaojiao Zheng, Fei Chang, Mingzhi Jiao, Quan Xu, Baoqing Deng, Xuefeng Hu
Novel visible-light-driven WO3/Bi12O17Cl2 heterojuncted photocatalysts with different mass ratios were successfully fabricated by a facile hydrothermal process and were characterized by XRD, UV-Vis DRS, SEM, TEM, HRTEM, XPS, BET, Raman, PL, and ESR techniques. The original morphology of Bi12O17Cl2 was maintained after the addition of WO3 nanoparticles and the specific surface area values of WBx composites were obviously enlarged. The intimate contact of both components in HRTEM confirmed the generation of smooth phase interface...
September 14, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28934015/initial-clinical-experience-with-dual-agent-relaxation-contrast-for-isolated-lymphatic-channel-mapping
#14
Beth Ripley, Gregory J Wilson, Neeraj Lalwani, Noah Briller, Peter C Neligan, Jeffrey H Maki
Purpose To evaluate the clinical performance of dual-agent relaxation contrast (DARC) magnetic resonance (MR) lymphangiography compared with that of conventional MR lymphangiography in the creation of isolated lymphatic maps in patients with secondary lymphedema. Materials and Methods This retrospective study was approved by the institutional review board. The diagnostic quality of 42 DARC MR lymphangiographic studies was compared with that of 42 conventional MR lymphangiographic studies. Two independent readers rated venous contamination as absent, mild, or moderate to severe...
September 21, 2017: Radiology
https://www.readbyqxmd.com/read/28934007/herbicidal-activity-of-slow-release-herbicide-formulations-in-wheat-stands-infested-by-weeds
#15
Natalia Zhila, Anastasiya Murueva, Anna Shershneva, Ekaterina Shishatskaya, Tatiana Volova
The present study reports the herbicidal activity of metribuzin and tribenuron-methyl embedded in the degradable matrix of natural poly-3-hydroxybutyrate [P(3HB)/MET and P(3HB)/TBM]. The developed formulations were constructed as films and microgranules, which were tested against the weeds such as white sweet clover Melilotus albus and lamb's quarters Chenopodium album in the presence of soft spring wheat (Triticum aestivum, cv. Altaiskaya 70) as the subject crop for investigation. The activity was measured in laboratory scale experiments by determining the density and weight of the vegetative organs of weeds...
September 21, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/28933906/neural-bases-of-automaticity
#16
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/28933893/contextual-variability-and-exemplar-strength-in-phonotactic-learning
#17
Thomas Denby, Jeffrey Schecter, Sean Arn, Svetlin Dimov, Matthew Goldrick
Phonotactics-constraints on the position and combination of speech sounds within syllables-are subject to statistical differences that gradiently affect speaker and listener behavior (e.g., Vitevitch & Luce, 1999). What statistical properties drive the acquisition of such constraints? Because they are naturally highly correlated, previous work has been unable to dissociate the contribution of 2 properties: contextual variability (the number of unique phonological contexts in which a phonotactic pattern appears) and exemplar strength (the overall number of times the pattern appears)...
September 21, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/28933497/use-of-nh-a-3-%C3%AE-x-3-%C3%AE-sonoluminescence-for-diagnostics-of-nonequilibrium-plasma-produced-by-multibubble-cavitation
#18
Rachel Pflieger, Temim Ouerhani, Thierry Belmonte, Sergey I Nikitenko
In this work, the sonoluminescence of NH radicals has been evaluated as a new spectroscopic probe for the nonequilibrium plasma produced by multibubble cavitation in liquids. The experiments were performed in aqueous ammonia solutions subjected to power ultrasound at low and high frequencies and under two different rare gases (Ar and Xe). Sonoluminescence (SL) spectroscopy focuses on the emission of the two present systems: NH (A(3)Π-X(3)Σ(-)) and OH (A(2)Σ(+)-X(2)Π). Both spectroscopic systems indicate the absence of thermal equilibrium during bubble collapse (Tv > Tr) irrespective of the saturating gas...
September 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28933331/-comparison-of-the-arthroscopic-finding-in-the-knee-joint-and-the-mri-retrospective-study
#19
K Šimeček, P Látal, J Duda, M Šimeček
PURPOSE OF THE STUDY Our retrospective study presents the comparison of the preoperative magnetic resonance imaging of the knee joint - MRI - and the arthroscopic finding - ASC. Its aim is to find out how a positive or a negative finding of MRI corresponds with the operative finding and how much the experience of radiologist contributes to the conformity. MATERIAL AND METHODS The MRI findings of knee joints treated surgically at two departments in 2013 and 2014 were assessed. The MRI was performed in a total of 470 patients who subsequently underwent an arthroscopic surgery...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28932961/enrolling-genomics-research-participants-through-a-clinical-setting-the-impact-of-existing-clinical-relationships-on-informed-consent-and-expectations-for-return-of-research-results
#20
Courtney Berrios, Cynthia A James, Karen Raraigh, Juli Bollinger, Brittney Murray, Crystal Tichnell, Carolyn D Applegate, Amanda L Bergner
Genetic counselors working in a clinical setting may find themselves recruiting, enrolling, and returning results for genomic research, and existing clinical relationships with study participants may impact these research interactions. We present a qualitative study using semi-structured interviews of participants enrolled in a genome sequencing/exome sequencing (GS/ES) study at the same institution where they receive clinical care. Interviews were coded for motivations to participate and expectations of this research...
September 20, 2017: Journal of Genetic Counseling
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