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https://www.readbyqxmd.com/read/27913738/extracorporeal-membrane-oxygenation-in-transcatheter-aortic-valve-replacement
#1
Elena Dolmatova, Kasra Moazzami, Thomas P Cocke, Elie Elmann, Pranay Vaidya, Arthur F Ng, Kumar Satya, Rajeev L Narayan
BACKGROUND: Patients undergoing transcatheter aortic valve replacement can experience severe perioperative complications leading to hemodynamic instability and death. Venoarterial extracorporeal membrane oxygenation can be used to provide cardiorespiratory support during this time. METHODS: From 2012 to 2015, of 247 patients who underwent transcatheter aortic valve replacement, 6 (2.42%) required extracorporeal membrane oxygenation support. Their mean age was 82 ± 7...
December 2, 2016: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/27913102/membrane-permeabilization-induced-by-triton-x-100-the-role-of-membrane-phase-state-and-edge-tension
#2
Bruno Mattei, Rafael B Lira, Katia R Perez, Karin A Riske
Detergents are widely used to solubilize and separate biomembrane components. It is therefore relevant to study and understand the mechanistic details underlying detergent-lipid interactions using biomimetic systems. Here, we have investigated in detail the process of membrane permeabilization and the nature of pores induced by sub-solubilizing concentrations of the detergent Triton X-100 (TX-100) in bilayers composed of palmitoyl oleoyl phosphatidylcholine (POPC), sphingomyelin (SM) and binary mixtures of these phospholipids with 30 mol% cholesterol (chol)...
November 29, 2016: Chemistry and Physics of Lipids
https://www.readbyqxmd.com/read/27912854/immune-to-ageism-men-s-perceptions-of-age-based-discrimination-in-everyday-contexts
#3
Hanna Ojala, Ilkka Pietilä, Pirjo Nikander
Despite long-term, conceptually and theoretically refined discussions, the phenomenon of ageism still remains empirically under-developed. To better understand the diversity of ageism, its contextual variations and gender-specific dynamics in people's daily lives, this study focuses on how different interactional contexts shape men's perceptions of ageism. Using data from 67 thematic personal interviews with 23 middle and working class men aged 50-70, this study contributes to the sorely lacking, empirically based and nuanced understanding of how ageism is experienced, and adds to the research on the internalization of ageism which to date has primarily focused on older women's experiences...
December 2016: Journal of Aging Studies
https://www.readbyqxmd.com/read/27911369/field-experiments-of-pollination-ecology-the-case-of-lycoris-sanguinea-var-sanguinea
#4
Futa Yamaji, Takeshi A Ohsawa
Plant-pollinator interactions have been studied for approximately one hundred years. During that time, many field methods have been developed to clarify the pollination effectiveness of each pollinator for visited flowers. Pollinator observations have been one of the most common methods to identify pollinators, and bagging and cage experiments have been conducted to show the effectiveness of specific pollinators. In a previous study of Lycoris sanguinea var. sanguinea, its effective pollinators, the visitation frequencies of each floral visitor, and its reproductive strategies were not identified...
November 25, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911216/validation-of-antibody-reagents-for-mucin-analysis-in-chronic-inflammatory-airway-diseases
#5
Thorsten Krause, Niels Röckendorf, Karoline I Gaede, Katrin Ramaker, Heike Sinnecker, Andreas Frey
In chronic inflammatory airway diseases, mucins display disease-related alterations in quantity, composition and glycosylation. This opens the possibility to diagnose and monitor inflammatory airway disorders and their exacerbation based on mucin properties. For such an approach to be reasonably versatile and diagnostically meaningful, the mucin of interest must be captured in a reliable, patient-independent way. To identify appropriate mucin-specific reagents, we tested anti-mucin antibodies on mucin-content-standardized, human bronchoalveolar lavage fluid samples in immunoblot assays...
December 2, 2016: MAbs
https://www.readbyqxmd.com/read/27910723/powered-mobility-intervention-understanding-the-position-of-tool-use-learning-as-part-of-implementing-the-alp-tool
#6
Lisbeth Nilsson, Josephine Durkin
PURPOSE: To explore the knowledge necessary for adoption and implementation of the Assessment of Learning Powered mobility use (ALP) tool in different practice settings for both adults and children. To consult with a diverse population of professionals working with adults and children, in different countries and various settings; who were learning about or using the ALP tool, as part of exploring and implementing research findings. METHOD: Classical grounded theory with a rigorous comparative analysis of data from informants together with reflections on our own rich experiences of powered mobility practice and comparisons with the literature...
December 2, 2016: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/27910434/experiments-of-a-monolithic-radial-transmission-line
#7
C Mao, X Wang, X Zou, J Lehr
This paper presents the experimental results of a monolithic radial transmission line (MRTL) that may be used in pulsed power generators and microwave devices. The MRTL with a hyperbolic impedance profile is 508 mm in radius, corresponding to a one-way transit time of 15 ns for the electromagnetic wave. In the experiments, up to twenty identical voltage pulses, 10 ns in FWHM and 2 ns in rise-time, were fed into the MRTL through 20 input BNC connectors that are uniformly distributed along the outer circumference of the MRTL...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910352/jet-outflow-and-open-field-line-measurements-on-the-c-2u-advanced-beam-driven-field-reversed-configuration-plasma-experiment
#8
D Sheftman, D Gupta, T Roche, M C Thompson, F Giammanco, F Conti, P Marsili, C D Moreno
Knowledge and control of the axial outflow of plasma particles and energy along open-magnetic-field lines are of crucial importance to the stability and longevity of the advanced beam-driven field-reversed configuration plasma. An overview of the diagnostic methods used to perform measurements on the open field line plasma on C-2U is presented, including passive Doppler impurity spectroscopy, microwave interferometry, and triple Langmuir probe measurements. Results of these measurements provide the jet ion temperature and axial velocity, electron density, and high frequency density fluctuations...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910189/a-qualitative-investigation-into-the-hiv-disclosure-process-within-an-intimate-partnership-the-moment-i-realized-that-our-relationship-was-developing-into-something-serious-i-just-had-to-tell-him
#9
Charlotte Smith, Rachel Cook, Poul Rohleder
OBJECTIVES: This study sought to elucidate the process through which people living with HIV (PLWH) in the United Kingdom disclose their status to an intimate partner (IP). DESIGN: A qualitative cross-sectional survey design was used. METHOD: A total of 95 PLWH took part. They were presented with a series of open-ended questions enquiring into their last experience of disclosing to an IP. The data were analysed using thematic analysis. RESULTS: Disclosure became a salient issue when the discloser acknowledged their relationship as meaningful...
December 2, 2016: British Journal of Health Psychology
https://www.readbyqxmd.com/read/27909625/robotic-kidney-transplantation-the-bak%C3%A4-rk%C3%A3-y-experience
#10
Volkan Tuğcu, Nevzat Can Şener, Selçuk Şahin, Abdullah Hızır Yavuzsan, Fatih Gökhan Akbay, Süheyla Apaydın
OBJECTIVE: Robotic kidney transplantation, first described by Hoznek and colleagues, and has been improved by investigators like Oberholzer and Menon. We realized the first robotic kidney transplant (RKT) in our clinic in December 2015. In this study, we aimed to present the first 15 cases we performed within 3 months. MATERİAL AND METHODS: Starting from January 2016, we performed 15 RKTs in our hospital. Before surgery, the whole robotic procedure was thoroughly explained to the patients and their informed consents were taken...
December 2016: Turkish Journal of Urology
https://www.readbyqxmd.com/read/27909455/salivary-testosterone-levels-under-psychological-stress-and-its-relationship-with-rumination-and-five-personality-traits-in-medical-students
#11
Reza Afrisham, Sahar Sadegh-Nejadi, Omid SoliemaniFar, Wesam Kooti, Damoon Ashtary-Larky, Fatima Alamiri, Mohammad Aberomand, Sedigheh Najjar-Asl, Ali Khaneh-Keshi
OBJECTIVE: The purpose of this study was to evaluate the salivary testosterone levels under psychological stress and its relationship with rumination and five personality traits in medical students. METHODS: A total of 58 medical students, who wanted to participate in the final exam, were selected by simple random sampling. Two months before the exam, in the basal conditions, the NEO Inventory short form, and the Emotional Control Questionnaire (ECQ) were completed...
November 2016: Psychiatry Investigation
https://www.readbyqxmd.com/read/27909414/personality-traits-and-training-initiation-process-intention-planning-and-action-initiation
#12
Mariola Laguna, Ewelina Purc
The article aims at investigating the role of personality traits in relation to training initiation. Training initiation is conceptualized as a goal realization process, and explained using goal theories. There are three stages of the process analyzed: intention to undertake training, plan formulation, and actual training undertaking. Two studies tested the relationships between five personality traits, defined according to the five factor model, and the stages of the goal realization process. In Study 1, which explains training intention and training plans' formulation, 155 employees participated...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27909269/chaperones-and-intimate-physical-examinations-what-do-male-and-female-patients-want
#13
V C Fan, H T Choy, G Yj Kwok, H G Lam, Q Y Lim, Y Y Man, C K Tang, C C Wong, Y F Yu, G Kk Leung
INTRODUCTION: Many studies of patients' perception of a medical chaperone have focused on female patients; that of male patients are less well studied. Moreover, previous studies were largely based on patient populations in English-speaking countries. Therefore, this study was conducted to investigate the perception and attitude of male and female Chinese patients to the presence of a chaperone during an intimate physical examination. METHODS: A cross-sectional guided questionnaire survey was conducted on a convenient sample of 150 patients at a public teaching hospital in Hong Kong...
December 2, 2016: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/27906843/comparison-of-resorbable-plating-systems-complications-during-degradation
#14
Dennis C Nguyen, Albert S Woo, Scott J Farber, Gary B Skolnick, Jenny Yu, Sybill D Naidoo, Kamlesh B Patel
INTRODUCTION: Several bioresorbable plating systems have become standard in pediatric craniosynostosis reconstruction. A comparison of these systems is needed to aid surgeons in the preoperative planning process. The authors aim to evaluate 1 institution's experience using Resorb-X by KLS Martin and Delta Resorbable Fixation System by Stryker (Stryker Craniomaxillofacial, Kalamazoo, MI). METHODS: A sample of patients with single-suture nonsyndromic craniosynostosis treated at St Louis Children's Hospital between 2007 and 2014 using either Resorb-X or Delta bioresorbable plating systems were reviewed...
November 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27906770/the-effect-of-two-factors-on-interobserver-reliability-for-proximal-humeral-fractures
#15
Jos J Mellema, Michael T Kuntz, Thierry G Guitton, David Ring
INTRODUCTION: The purpose of this study was to assess whether training observers and simplifying proximal humeral fracture classifications improve interobserver reliability among a large number of orthopaedic surgeons. METHODS: One hundred eighty-five observers were randomized to receive training or no training in a simple classification for proximal humeral fractures before evaluating preoperative radiographs of a consecutive series of 30 patients who were treated with open reduction and internal fixation...
November 30, 2016: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/27906716/infants-with-technology-dependence-facilitating-the-road-to-home
#16
Jennifer D Bowles, Amy J Jnah, Desi M Newberry, Carol A Hubbard, Tracey Roberston
BACKGROUND: The incidence of premature infants with complex medical needs, dependent upon medical technology at discharge, is on the rise in the United States. PURPOSE: Preparing the family for the hospital-to-home transition can be challenging due to the complex medical and emotional needs of the vulnerable infant and the volume of subspecialty services and equipment required. METHODS/SEARCH STRATEGY: Relevant articles from PubMed, Google Scholar, CINAHLFINDINGS/RESULTS:: There is an increasing incidence of technology dependent infants discharged from neonatal intensive care units in the United States...
December 2016: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/27906370/optomechanical-oscillator-pumped-and-probed-by-optically-two-isolated-photonic-crystal-cavity-systems
#17
Feng Tian, Hisashi Sumikura, Eiichi Kuramochi, Hideaki Taniyama, Masato Takiguchi, Masaya Notomi
Optomechanical control of on-chip emitters is an important topic related to integrated all-optical circuits. However, there is neither a realization nor a suitable optomechanical structure for this control. The biggest obstacle is that the emission signal can hardly be distinguished from the pump light because of the several orders' power difference. In this study, we designed and experimentally verified an optomechanical oscillation system, in which a lumped mechanical oscillator connected two optically isolated pairs of coupled one-dimensional photonic crystal cavities...
November 28, 2016: Optics Express
https://www.readbyqxmd.com/read/27906169/automated-identification-of-mouse-visual-areas-with-intrinsic-signal-imaging
#18
Ashley L Juavinett, Ian Nauhaus, Marina E Garrett, Jun Zhuang, Edward M Callaway
Intrinsic signal optical imaging (ISI) is a rapid and noninvasive method for observing brain activity in vivo over a large area of the cortex. Here we describe our protocol for mapping retinotopy to identify mouse visual cortical areas using ISI. First, surgery is performed to attach a head frame to the mouse skull (∼1 h). The next day, intrinsic activity across the visual cortex is recorded during the presentation of a full-field drifting bar in the horizontal and vertical directions (∼2 h). Horizontal and vertical retinotopic maps are generated by analyzing the response of each pixel during the period of the stimulus...
January 2017: Nature Protocols
https://www.readbyqxmd.com/read/27905691/is-volume-important-in-aneurysm-treatment-outcome
#19
Athanasios Katsargyris, Chris Klonaris, Eric L Verhoeven
Several studies have suggested that surgical procedures performed at high-volume centers may result in superior outcome. Technically more demanding procedures such as aortic aneurysm repair appear to demonstrate a stronger relationship with volume. The present chapter reviewed the literature using the MEDLINE database to identify studies investigating the effect of volume in aortic aneurysm repair outcomes. The great majority of studies identified shows an advantage for high-volume hospitals with regard to perioperative mortality of abdominal (AAA), thoracic (TAA) and thoracoabdominal (TAAA) aortic aneurysm repair...
December 1, 2016: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/27905594/open-ended-formulation-of-self-consistent-field-response-theory-with-the-polarizable-continuum-model-for-solvation
#20
Roberto Di Remigio, Maarten T P Beerepoot, Yann Cornaton, Magnus Ringholm, Arnfinn Hykkerud Steindal, Kenneth Ruud, Luca Frediani
The study of high-order absorption properties of molecules is a field of growing importance. Quantum-chemical studies can help design chromophores with desirable characteristics. Given that most experiments are performed in solution, it is important to devise a cost-effective strategy to include solvation effects in quantum-chemical studies of these properties. We here present an open-ended formulation of self-consistent field (SCF) response theory for a molecular solute coupled to a polarizable continuum model (PCM) description of the solvent...
December 1, 2016: Physical Chemistry Chemical Physics: PCCP
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