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https://www.readbyqxmd.com/read/28822391/the-impact-of-hemodynamic-transesophageal-echocardiography-on-the-use-of-continuous-renal-replacement-therapy-in-trauma
#1
Madison Griffin, Brett Howard, Sam Devictor, Josh Ferenczy, Frances Cobb, D Benjamin Christie
Post-traumatic fluid management is a widely debated topic. No best-practice consensus exists. Adverse outcomes such as acute kidney injury or volume overload are common. Continuous renal replacement therapy (CRRT) is an adjunct therapy for severe acute renal failure and volume overload, but is costly and not without risk. Hemodynamic transesophageal echocardiography (hTEE) is widely accepted as a reliable way to monitor volume status of intensive care unit (ICU) patients. Although data exist evaluating hTEE and CRRT independently, there is a lack of research mutually inclusive of the two...
August 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28821945/the-effect-of-thyroid-autoantibody-positivity-on-the-functions-of-internal-ear
#2
Akif Gunes, Mehmet Fatih Karakus, Tugba Akin Telli, Nurcan Akbas Gunes, Murad Mutlu
The objective of the study is to investigate if any significant difference exists in hearing thresholds and tympanometric examination results among patients whose thyroid antibody positivity was detected approximately 1 year or at least 5 years ago. Study population aged less than 40 years consisted of 17 patients who had thyroid antibody positivities for an average of 1 year (first group), 15 patients who were followed up for at least 5 years for thyroid antibody positivity (second group), and 18 volunteers (third group)...
August 18, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28819339/depression-after-stroke-in-sub-saharan-africa-a-systematic-review-and-meta-analysis
#3
REVIEW
Akin Ojagbemi, Onoja Akpa, Fisayo Elugbadebo, Mayowa Owolabi, Bruce Ovbiagele
OBJECTIVE: We aimed to conduct a systematic review and meta-analysis of prevalence and characteristics of poststroke depression (PSD) in sub-Saharan Africa (SSA). METHODS: We searched Medline, PsycINFO, and African Journals OnLine using keywords for stroke and depression and the .mp. operator for all 54 SSA countries/regions. Further information was retrieved through a manual search of references from relevant published and unpublished articles. We included only peer-reviewed original studies with epidemiological or experimental designs, conducted random-effect meta-analysis, and identified the most commonly associated factors by weight (inverse of variance method)...
2017: Behavioural Neurology
https://www.readbyqxmd.com/read/28814032/studying-the-implementation-of-iterative-impedance-control-for-assistive-hand-rehabilitation-using-an-exoskeleton
#4
T Martineau, R Vaidyanathan
A positive training synergy can be obtained when two individuals attempt to learn the same motor task while mechanically coupled to one another. In this paper, we have studied how mimicking this interaction through impedance control can be exploited to improve assistance delivered by hand exoskeleton devices during rehabilitation. In this context, the machine and user take complementary roles akin to two coupled individuals. We present the derivation of a dynamic model of the human hand for the purpose of controller development for new hand exoskeleton platforms...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28812886/room-temperature-ring-opening-of-quinoline-isoquinoline-and-pyridine-with-low-valent-titanium
#5
Seung-Yeol Baek, Takashi Kurogi, Dahye Kang, Masahiro Kamitani, Seongyeon Kwon, Douglas Solowey, Chun-Hsing Chen, Maren Pink, Patrick J Carroll, Daniel J Mindiola, Mu-Hyun Baik
The complex (PNP)Ti=CHtBu(CH2tBu) (PNP = N[2-PiPr2-4-methylphenyl]2-) dehydrogenates cyclohexane to cyclohexene by forming a transient low-valent titanium-alkyl species, [(PNP)Ti(CH2tBu)], which reacts with two equivalents of quinoline (Q) at room temperature to form H3CtBu and a Ti(IV) species where the less hindered C2=N1 bond of Q is ruptured and coupled to another equivalent of Q. The product isolated from this reaction is an imide with a tethered cycloamide group, (PNP)Ti=N[C18H13N] (1). Under photolytic conditions, intramolecular C-H bond activation across the imide-moiety in 1 occurs to form 2, and thermolysis reverses this process...
August 16, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28811845/role-of-contrast-enhancement-and-corrected-attenuation-values-of-renal-tumors-in-predicting-renal-cell-carcinoma-rcc-subtypes-protocol-for-a-triphasic-multi-slice-computed-tomography-ct-procedure
#6
Ersen Ertekin, Akın Soner Amasyalı, Bulent Erol, Saim Acikgozoglu, Faruk Kucukdurmaz, Alaaddin Nayman, Haluk Erol
BACKGROUND: To distinguish RCC subtypes based on contrast enhancement features of CT images. MATERIAL/METHODS: In total, 59 lesions from 57 patients were included. All patients underwent multi-slice CT imaging with a triphasic protocol, which included non-contrast, corticomedullary, nephrographic and urographic phases. Contrast enhancement features of renal masses were evaluated in terms of CT attenuation values (AV) and differences in contrast density; the aorta or renal parenchyma were evaluated based on corrected or relative values...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28811481/leaky-integrate-and-fire-neuron-by-charge-discharge-dynamics-in-floating-body-mosfet
#7
Sangya Dutta, Vinay Kumar, Aditya Shukla, Nihar R Mohapatra, Udayan Ganguly
Neuro-biology inspired Spiking Neural Network (SNN) enables efficient learning and recognition tasks. To achieve a large scale network akin to biology, a power and area efficient electronic neuron is essential. Earlier, we had demonstrated an LIF neuron by a novel 4-terminal impact ionization based n+/p/n+ with an extended gate (gated-INPN) device by physics simulation. Excellent improvement in area and power compared to conventional analog circuit implementations was observed. In this paper, we propose and experimentally demonstrate a compact conventional 3-terminal partially depleted (PD) SOI- MOSFET (100 nm gate length) to replace the 4-terminal gated-INPN device...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28809533/in-situ-atomic-force-microscopic-studies-of-single-tin-nanoparticle-sodiation-and-desodiation-in-liquid-electrolyte
#8
Mo Han, Chenbo Zhu, Qing Zhao, Chengcheng Chen, Zhanliang Tao, Wei Xie, Fangyi Cheng, Jun Chen
Probing electrodes at a nanometer scale is challenging but desirable to reveal the structural evolution of materials in electrochemical reactions. Herein, we present an atomic force microscopic method for an in situ analysis of a single Sn nanoparticle during sodiation and desodiation, which is conducted in an aprotic liquid electrolyte akin to a real electrochemical environment of the Na-ion cells. The morphological evolution of different-sized single Sn nanoparticle is visualized during the charge/discharge cycles by using a homemade planar electrode...
August 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28805444/contrast-effect-in-spatial-context-robustness-and-practical-significance
#9
Christophe Blaison, Marie-Pierre Fayant, Ursula Hess
Contrary to lay conceptions, unattractive locations can under certain circumstances increase the perceived value of neighboring areas. This phenomenon is akin to a contrast effect. However, extant research on this type of contrast suffers from two limitations. First, the use of repeated measures may inflate the likelihood of observing a contrast effect. Second, there is a lack of meaningful comparisons for gauging the size of the effect. We designed three experiments to address these issues. In each, we assessed how much participants valued places located increasingly far from an unsafe housing block...
August 14, 2017: Journal of Experimental Psychology. Applied
https://www.readbyqxmd.com/read/28805441/examining-overlap-in-behavioral-and-neural-representations-of-morals-facts-and-preferences
#10
Jordan Theriault, Adam Waytz, Larisa Heiphetz, Liane Young
Metaethical judgments refer to judgments about the information expressed by moral claims. Moral objectivists generally believe that moral claims are akin to facts, whereas moral subjectivists generally believe that moral claims are more akin to preferences. Evidence from developmental and social psychology has generally favored an objectivist view; however, this work has typically relied on few examples, and analyses have disallowed statistical generalizations beyond these few stimuli. The present work addresses whether morals are represented as fact-like or preference-like, using behavioral and neuroimaging methods, in combination with statistical techniques that can (a) generalize beyond our sample stimuli, and (b) test whether particular item features are associated with neural activity...
August 14, 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/28805290/bilateral-plasmacytoma-of-the-breast
#11
Sebnem Orguc, Meliha Akin, Ismet Aydogdu, Nalan Nese
No abstract text is available yet for this article.
August 14, 2017: Breast Journal
https://www.readbyqxmd.com/read/28803941/fast-imaging-for-mapping-dynamic-networks
#12
REVIEW
Pierre LeVan, Burak Akin, Jürgen Hennig
The development of highly accelerated fMRI acquisition techniques has led to novel possibilities to monitor cerebral activity non-invasively and with unprecedented temporal resolutions. With the emergence of dynamic connectivity and its ability to provide a much richer characterization of brain function compared to static measures, fast fMRI may yet play a crucial role in tracking dynamically varying networks. In spite of the dominance of slow hemodynamic contributions to the BOLD signal, high temporal sampling rates nevertheless improve the measurement of physiological noise, yielding an exceptional sensitivity for the detection of periods of transient connectivity at time scales of a few tens of seconds...
August 10, 2017: NeuroImage
https://www.readbyqxmd.com/read/28803863/epidermal-e-cadherin-dependent-%C3%AE-catenin-pathway-is-phytochemical-inducible-and-accelerates-anagen-hair-cycling
#13
Noha S Ahmed, Subhadip Ghatak, Mohamed S El Masry, Surya C Gnyawali, Sashwati Roy, Mohamed Amer, Helen Everts, Chandan K Sen, Savita Khanna
Unlike the epidermis, which regenerates continually, hair follicles anchored in the subcutis periodically regenerate by spontaneous repetitive cycles of growth (anagen), degeneration (catagen), and rest (telogen). The loss of hair follicles in response to injuries or pathologies such as alopecia endangers certain inherent functions of the skin. Thus, it is of interest to understand mechanisms underlying follicular regeneration in adults. In this work, a phytochemical rich in the natural vitamin E tocotrienol (TRF) served as a productive tool to unveil a novel epidermal pathway of hair follicular regeneration...
July 20, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28803838/current-epidemiology-of-resistance-among-gram-negative-bacilli-in-pediatric-patients-in-turkey
#14
Kubra Aykac, Yasemin Ozsurekci, Sevgen Tanir Basaranoglu, Mustafa Senol Akin, Ali Bulent Cengiz, Asiye Bicakcigil, Banu Sancak, Ates Kara, Mehmet Ceyhan
BACKGROUND: The increasing incidence of infections caused by drug-resistant Gram-negative organisms has led to a reemergence in worldwide. This study attempted to investigate the changes in resistance of Gram-negative bacteria to different classes of antibiotics and treatment options in invasive infections. METHODS: We performed this study retrospectively between January 2012 and January 2017 in our tertiary care university hospital. A total of 302 patients with Gram-negative bacterial bacteremia and meningitis were defined...
August 10, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28801312/bioethics-and-multiculturalism-nuancing-the-discussion
#15
Chris Durante
In his recent analysis of multiculturalism, Tom Beauchamp has argued that those who implement multicultural reasoning in their arguments against common morality theories, such as his own, have failed to understand that multiculturalism is neither a form of moral pluralism nor ethical relativism but is rather a universalistic moral theory in its own right. Beauchamp's position is indeed on the right track in that multiculturalists do not consider themselves ethical relativists. Yet, Beauchamp tends to miss the mark when he argues that multiculturalism is in effect a school of thought that endorses a form of moral universalism that is akin to his own vision of a common morality...
August 11, 2017: Journal of Medical Ethics
https://www.readbyqxmd.com/read/28799980/retrieval-of-a-fractured-angioplasty-guidewire-after-percutaneous-retrograde-revascularization-of-coronary-chronic-total-occlusion
#16
Stefan Baumann, Daniel Rupp, Tobias Becher, Michael Behnes, Maliha Sadick, Martin Borggrefe, Ibrahim Akin
No abstract text is available yet for this article.
August 9, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28799356/a-cavitation-transition-in-the-energy-landscape-of-simple-cohesive-liquids-and-glasses
#17
Y Elia Altabet, Frank H Stillinger, Pablo G Debenedetti
In particle systems with cohesive interactions, the pressure-density relationship of the mechanically stable inherent structures sampled along a liquid isotherm (i.e., the equation of state of an energy landscape) will display a minimum at the Sastry density ρS. The tensile limit at ρS is due to cavitation that occurs upon energy minimization, and previous characterizations of this behavior suggested that ρS is a spinodal-like limit that separates all homogeneous and fractured inherent structures. Here, we revisit the phenomenology of Sastry behavior and find that it is subject to considerable finite-size effects, and the development of the inherent structure equation of state with system size is consistent with the finite-size rounding of an athermal phase transition...
December 7, 2016: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28799053/quality-control-of-digital-pcr-assays-and-platforms
#18
Matthijs Vynck, Jo Vandesompele, Olivier Thas
Digital polymerase chain reaction (digital PCR, dPCR) is a direct nucleic acid quantification method, thus requiring no standard curves unlike quantitative real-time PCR (qPCR). Nevertheless, evaluation of the linear dynamic range, accuracy, and precision of an assay or platform is recommended, as there are several potential causes of important non-linearity, bias, and imprecision. Ignoring these quality issues may lead to erroneous quantification. This necessitates an approach akin to the construction of standard curves...
August 10, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28798130/two-areas-for-familiar-face-recognition-in-the-primate-brain
#19
Sofia M Landi, Winrich A Freiwald
Familiarity alters face recognition: Familiar faces are recognized more accurately than unfamiliar ones and under difficult viewing conditions when unfamiliar face recognition fails. The neural basis for this fundamental difference remains unknown. Using whole-brain functional magnetic resonance imaging, we found that personally familiar faces engage the macaque face-processing network more than unfamiliar faces. Familiar faces also recruited two hitherto unknown face areas at anatomically conserved locations within the perirhinal cortex and the temporal pole...
August 11, 2017: Science
https://www.readbyqxmd.com/read/28797424/retrograde-chronic-total-occlusion-percutaneous-coronary-intervention-through-ipsilateral-collateral-channels-a-multicenter-registry
#20
Lorenzo Azzalini, Pierfrancesco Agostoni, Susanna Benincasa, Paul Knaapen, Stefan P Schumacher, Joseph Dens, Joren Maeremans, Adriaan O Kraaijeveld, Leo Timmers, Michael Behnes, Ibrahim Akin, Aurel Toma, Franz-Josef Neumann, Antonio Colombo, Mauro Carlino, Kambis Mashayekhi
OBJECTIVES: The aim of this study was to describe the procedural aspects and outcomes of retrograde chronic total occlusion (CTO) percutaneous coronary intervention (PCI) through ipsilateral collateral channels (ILCs). BACKGROUND: Retrograde CTO PCI via ILCs is rarely performed, usually when no other retrograde options exist, and available evidence derives mostly from case reports. METHODS: A large retrospective multinational registry was compiled, including all consecutive patients undergoing retrograde CTO PCI through ILCs at 6 centers between September 2011 and October 2016...
August 14, 2017: JACC. Cardiovascular Interventions
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