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https://www.readbyqxmd.com/read/28328587/bedside-breath-wise-visualization-of-bronchospasm-by-electrical-impedance-tomography-could-improve-perioperative-patient-safety-a-case-report
#1
Pedro de la Oliva, Andreas D Waldmann, Stephan H Böhm, Cristina Verdú-Sánchez, Antonio Pérez-Ferrer, Elena Alvarez-Rojas
Bronchospasm appears in up to 4% of patients with obstructive lung disease or respiratory infection undergoing general anesthesia. Clinical examination alone may miss bronchospasm. As a consequence, subsequent (mis)treatment and ventilator settings could lead to pulmonary hyperinflation, hypoxia, hypercapnia, hypotension, patient-ventilator asynchrony, volutrauma, or barotrauma. Electrical impedance tomography (EIT), a new noninvasive technique, can potentially identify bronchospasms by determining regional expiratory time constants (τ) for each one of the pixels of a functional EIT image...
March 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28327493/noninvasive-ventilation-open-issues-for-nursing-research
#2
Stefano Bambi, Enrica Mati, Christian De Felippis, Alberto Lucchini
According to the current literature, Noninvasive Ventilation (NIV) is a well-recognized respiratory support technique for patients affected by Acute Respiratory Failure (ARF). As highlighted by recent meta-analysis, a tight adherence to protocols regarding patients' selection criteria, relative or absolute contraindications, plus highly skilled and experienced operators, can positively affect the NIV performance and mortality rates. Positive outcome from NIV respiratory support is dependent from: patient's clinical condition and education needs; confidence of the staff with NIV technology; choice and management of the most suitable interface available prevention of interface complications; nutritional assessment (artificial feeding if required) and conditioning of medical gas...
March 14, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28324854/accounting-for-urban-biogenic-fluxes-in-regional-carbon-budgets
#3
Brady S Hardiman, Jonathan A Wang, Lucy R Hutyra, Conor K Gately, Jackie M Getson, Mark A Friedl
Many ecosystem models incorrectly treat urban areas as devoid of vegetation and biogenic carbon (C) fluxes. We sought to improve estimates of urban biomass and biogenic C fluxes using existing, nationally available data products. We characterized biogenic influence on urban C cycling throughout Massachusetts, USA using an ecosystem model that integrates improved representation of urban vegetation, growing conditions associated with urban heat island (UHI), and altered urban phenology. Boston's biomass density is 1/4 that of rural forests, however 87% of Massachusetts' urban landscape is vegetated...
March 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28321875/zygoparity-and-sex-steroid-hormone-profiles-in-bluemouth-helicolenus-dactylopterus
#4
V Sequeira, E Couto, A Neves, A R Vieira, R B Paiva, A V M Canario, L S Gordo
Two hundred and seven individuals (103 females and 104 males) of bluemouth Helicolenus dactylopterus (Scorpaeniformes, Sebastidae), a commercially important deep-water species with an unusual reproductive strategy, from the eastern Atlantic Ocean ranging from 13·9 to 37·5 cm total length (LT ) were analysed from September 2011 to October 2012. The analysis included gonad maturity phases and blood-plasma levels of oestradiol-17β (E2 ), 11-ketotestosterone (11-KT) and 17,20β-dihydroxypregn-4-en-3-one (17,20β-P)...
March 21, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28319018/the-effect-of-elevated-progesterone-levels-before-hcg-triggering-in-modified-natural-cycle-frozen-thawed-embryo-transfer-cycles
#5
Eva R Groenewoud, Nick S Macklon, Ben J Cohlen
Recent studies suggest that elevated late follicular phase progesterone concentrations after ovarian stimulation for IVF may result in embryo-endometrial asynchrony, reducing the chance of successful implantation after fresh embryo transfer. It remains unclear to what extent elevated late follicular phase progesterone levels may occur in unstimulated cycles before frozen-thawed embryo transfer, or what affect they may have on outcomes. In this cohort study, 271 patients randomized to the modified natural cycle arm of a randomized controlled trial comparing two endometrial preparation regimens underwent late follicular phase progesterone and LH testing...
February 28, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28316563/a-saccade-based-framework-for-real-time-motion-segmentation-using-event-based-vision-sensors
#6
Abhishek Mishra, Rohan Ghosh, Jose C Principe, Nitish V Thakor, Sunil L Kukreja
Motion segmentation is a critical pre-processing step for autonomous robotic systems to facilitate tracking of moving objects in cluttered environments. Event based sensors are low power analog devices that represent a scene by means of asynchronous information updates of only the dynamic details at high temporal resolution and, hence, require significantly less calculations. However, motion segmentation using spatiotemporal data is a challenging task due to data asynchrony. Prior approaches for object tracking using neuromorphic sensors perform well while the sensor is static or a known model of the object to be followed is available...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28303749/-spontaneous-visual-perspective-taking-mediated-by-attention-orienting-that-is-voluntary-and-not-reflexive
#7
Mark R Gardner, Zainabb Hull, Donna Taylor, Caroline J Edmonds
Experiments revealing 'spontaneous' visual perspective-taking are conventionally interpreted as demonstrating that adults have the capacity to track simple mental states in a fast and efficient manner ('implicit mentalising'). A rival account suggests that these experiments can be explained by the general purpose mechanisms responsible for reflexive attentional orienting. Here, we report two experiments designed to distinguish between these competing accounts. In Experiment 1, we assessed whether reflexive attention orienting was sufficient to yield findings interpreted as spontaneous perspective taking in the 'avatar task' (Samson et al...
March 17, 2017: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/28290874/-the-impact-of-asymptomatic-left-ventricular-dilatation-on-the-course-of-anterior-myocardial-infarction
#8
M T Beishenkulov, A K Ibraeva, Z M Chazymova
AIM: to elucidate effect of asymptomatic left ventricular (LV) dilatation on the course of myocardial infarction (MI). MATERIAL AND METHODS: LV remodeling and diastolic function, as well as inter- and intraventricular asynchrony were studied in 58 patients with primary anterior MI without signs of heart failure and ejection fraction >40% on month 12 of the disease. Patients were divided into 2 groups: with normal-sized left ventricle (LV end diastolic size [EDS] <5...
August 2016: Kardiologiia
https://www.readbyqxmd.com/read/28287777/n400-and-emotional-word-processing-in-parkinson-s-disease
#9
Nadeeka N W Dissanayaka, Tiffany R Au, Anthony J Angwin, John D O'Sullivan, Gerard J Byrne, Peter A Silburn, Rodney Marsh, George D Mellick, David A Copland
OBJECTIVE: Emotional and cognitive disturbances are common complications in Parkinson's disease (PD). N400 is an event related potential (ERP) strongly linked to lexical-semantic processing and has demonstrated alterations in amplitude and latency when PD patients performed semantic priming tasks. The present study investigated the role of N400 in an automatic affective priming paradigm in PD. Other ERP components relevant to emotion processing were also examined. METHOD: Twenty-two PD patients and 17 healthy adults performed an automatic affective priming task while ERPs were recorded using 128 channels...
March 13, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28285364/hierarchical-task-organization-in-dual-tasks-evidence-for-higher-level-task-representations
#10
Patricia Hirsch, Sophie Nolden, Andrea M Philipp, Iring Koch
To examine whether hierarchical higher level task representations comprising the task sets of Task 1 (T1) and Task 2 (T2) are activated within each trial in dual-task situations, we combined the psychological refractory period (PRP) paradigm with the task-pair switching logic (Hirsch et al. 2017). In Experiment 1, in which subjects switched between task-pairs including a varying T1 and a constant T2, we found a PRP effect (i.e., worse performance with short stimulus onset asynchrony [SOA] than with long SOA) and task-pair switch costs in T1 and T2 (impaired performance in task-pair switches compared to task-pair repetitions)...
March 11, 2017: Psychological Research
https://www.readbyqxmd.com/read/28277115/does-premature-elevated-progesterone-on-the-day-of-trigger-increase-spontaneous-abortion-rates-in-fresh-and-subsequent-frozen-embryo-transfers
#11
Mae Healy, George Patounakis, Austin Zanelotti, Kate Devine, Alan DeCherney, Michael Levy, Micah J Hill
Recent evidence has shown elevated progesterone (P) advances the endometrium in fresh ART cycles, creating asynchrony with the embryo and thus implantation failure and decreased live birth rates. If the window of implantation is closing as the embryo attempts to implant, there may be difficulty with trophoblastic invasion, leading to failure of early pregnancies. Our objective was to evaluate if P on the day of trigger was associated with spontaneous abortion (SAB) rates in fresh ART transfers. This was a retrospective cohort study involving fresh autologous and FET cycles from 2011 to 2013...
March 2, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28273400/fitness-of-bt-resistant-cabbage-loopers-on-bt-cotton-plants
#12
Guillaume Tetreau, Ran Wang, Ping Wang
Development of resistance to the insecticidal toxins from Bacillus thuringiensis (Bt) in insects is the major threat to the continued success of transgenic Bt-crops in agriculture. The fitness of Bt-resistant insects on Bt- and non-Bt-plants is a key parameter that determines the development of Bt-resistance in insect populations. In this study, a comprehensive analysis of the fitness of Bt-resistant Trichoplusia ni strains on Bt-cotton leaves was conducted. The Bt-resistant T. ni strains carried two genetically independent mechanisms of resistance to Bt toxins Cry1Ac and Cry2Ab...
March 8, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28267272/effect-of-ventilator-mode-on-patient-ventilator-synchrony-and-work-of-breathing-in-neonatal-pigs
#13
Shayna M Wood, Tracy L Thurman, Shirley J Holt, Shasha Bai, Mark J Heulitt, Sherry E Courtney
BACKGROUND: Patient-ventilator asynchrony can result in increased work of breathing (WOB) and need for increased sedation, as well as respiratory muscle fatigue and prolonged mechanical ventilation. Different ventilator modes may result in varying degrees of asynchrony and WOB. OBJECTIVE: The objectives of this study were to assess the incidence of asynchrony and the effect of asynchrony on WOB in three modes of ventilation: pressure regulated volume control (PRVC), synchronized intermittent mandatory ventilation/volume control plus pressure support (SIMV/VC plus PS), and SIMV/PRVC plus PS...
March 7, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28264099/temporal-binding-window-of-the-sound-induced-flash-illusion-in-amblyopia
#14
Cindy Narinesingh, Herbert C Goltz, Agnes M F Wong
Purpose: Amblyopia is a neurodevelopmental visual disorder caused by abnormal visual experience in childhood. In addition to known visual deficits, there is evidence for changes in audiovisual integration in amblyopia using explicit tasks. We examined audiovisual integration in amblyopia using an implicit task that is more relevant in a real-world context. Methods: A total of 11 participants with amblyopia and 16 controls were tested binocularly and monocularly on the sound-induced flash illusion, in which flashes and beeps are presented concurrently and the perceived number of flashes is influenced by the number of beeps...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28262324/compliance-instead-of-flexibility-on-age-related-differences-in-cognitive-control-during-visual-search
#15
Christine Mertes, Edmund Wascher, Daniel Schneider
The effect of healthy aging on cognitive control of irrelevant visual information was investigated by using event-related potentials. Participants performed a spatial cuing task where an irrelevant color cue that was either contingent (color search) or noncontingent (shape search) on the attentional set was presented before a target with different stimulus-onset asynchronies. In the contingent condition, attentional capture appeared independent of age and persisted over the stimulus-onset asynchronies but was markedly pronounced for elderly people...
February 11, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28261123/the-unresponsive-partner-roles-of-social-status-auditory-feedback-and-animacy-in-coordination-of-joint-music-performance
#16
Alexander P Demos, Daniel J Carter, Marcelo M Wanderley, Caroline Palmer
We examined temporal synchronization in joint music performance to determine how social status, auditory feedback, and animacy influence interpersonal coordination. A partner's coordination can be bidirectional (partners adapt to the actions of one another) or unidirectional (one partner adapts). According to the dynamical systems framework, bidirectional coordination should be the optimal (preferred) state during live performance. To test this, 24 skilled pianists each performed with a confederate while their coordination was measured by the asynchrony in their tone onsets...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28258799/distortions-of-temporal-integration-and-perceived-order-caused-by-the-interplay-between-stimulus-contrast-and-duration
#17
Elkan G Akyürek, Ritske de Jong
Stimulus contrast and duration effects on visual temporal integration and order judgment were examined in a unified paradigm. Stimulus onset asynchrony was governed by the duration of the first stimulus in Experiment 1, and by the interstimulus interval in Experiment 2. In Experiment 1, integration and order uncertainty increased when a low contrast stimulus followed a high contrast stimulus, but only when the second stimulus was 20 or 30ms. At 10ms duration of the second stimulus, integration and uncertainty decreased...
February 28, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28257971/walking-to-a-multisensory-beat
#18
Charlotte Roy, Julien Lagarde, Dobromir Dotov, Simone Dalla Bella
Living in a complex and multisensory environment demands constant interaction between perception and action. In everyday life it is common to combine efficiently simultaneous signals coming from different modalities. There is evidence of a multisensory benefit in a variety of laboratory tasks (temporal judgement, reaction time tasks). It is less clear if this effect extends to ecological tasks, such as walking. Furthermore, benefits of multimodal stimulation are linked to temporal properties such as the temporal window of integration and temporal recalibration...
April 2017: Brain and Cognition
https://www.readbyqxmd.com/read/28254160/how-does-a-viviparous-semifossorial-lizard-reproduce-ophiodes-intermedius-squamata-anguidae-from-subtropical-climate-in-the-wet-chaco-region-of-argentina
#19
Martín A Ortiz, Jorgelina M Boretto, Nora R Ibargüengoytía
The best predictors of reproductive patterns are commonly associated with climate factors, but evolutionary history also plays an important role. The semifossorial and viviparous lizard Ophiodes intermedius from the Wet Chaco region of Argentina showed an annual cycle with asynchrony between males and females and an unusual pattern for subtropical climates, with vitellogenesis beginning in autumn, ovulation and copulation in spring, and births occurring in summer. Males exhibited annual variation of testicular size associated with spermatogenic activity, reaching their maximum gonadal activity in late summer (March), but sperm storage in the epididymis and/or deferent duct occurred throughout the year...
January 16, 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/28253091/enlarged-temporal-integration-window-in-schizophrenia-indicated-by-the-double-flash-illusion
#20
Katharina Haß, Christopher Sinke, Tanya Reese, Mandy Roy, Daniel Wiswede, Wolfgang Dillo, Bob Oranje, Gregor R Szycik
INTRODUCTION: In the present study we were interested in the processing of audio-visual integration in schizophrenia compared to healthy controls. The amount of sound-induced double-flash illusions served as an indicator of audio-visual integration. We expected an altered integration as well as a different window of temporal integration for patients. METHODS: Fifteen schizophrenia patients and 15 healthy volunteers matched for age and gender were included in this study...
March 2017: Cognitive Neuropsychiatry
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