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https://www.readbyqxmd.com/read/29142251/reverse-stress-testing-interbank-networks
#1
Daniel Grigat, Fabio Caccioli
We reverse engineer dynamics of financial contagion to find the scenario of smallest exogenous shock that, should it occur, would lead to a given final systemic loss. This reverse stress test can be used to identify the potential triggers of systemic events, and it removes the arbitrariness in the selection of shock scenarios in stress testing. We consider in particular the case of distress propagation in an interbank market, and we study a network of 44 European banks, which we reconstruct using data collected from banks statements...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29141498/incidence-and-natural-progression-of-neurogenic-shock-following-traumatic-spinal-cord-injury
#2
Ian A Ruiz, Jordan W Squair, Aaron A Phillips, Christine D Lukac, Dayan Huang, Patrick Oxciano, Dong Yan, Andrei V Krassioukov
Neurogenic shock, a distributive type of circulatory shock following spinal cord injury (SCI), results in profound hypotension. The consequent hemodynamic instability complicates clinical management, delays surgical intervention, and impacts neurological outcome. Moreover, the reported incidence of this condition varies significantly. Here, we establish the true incidence of neurogenic shock by comparing the most common clinical definitions used to diagnose the condition. Further, we characterize the acute progression and recovery of neurogenic shock...
November 15, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29139278/improving-pain-control-in-diabetic-neuropathy
#3
Peter Paisley, Mick Serpell
Diabetic neuropathy is thought to affect 1.9% of the world’s population and 50% of patients with a diagnosis of diabetes mellitus which would equate to 2.25 million people in the UK. The term diabetic neuropathy includes multiple distinct clinical entities that have been classified under the broad headings of focal and multifocal neuropathies and symmetrical neuropathies. Peripheral diabetic neuropathy, a chronic distal symmetrical predominantly sensory neuropathy, is the most common form of diabetic neuropathy...
March 2017: Practitioner
https://www.readbyqxmd.com/read/29133071/red-blood-cell-distribution-width-is-associated-with-mortality-in-elderly-patients-with-sepsis
#4
An-Yi Wang, Hon-Ping Ma, Wei-Fong Kao, Shin-Han Tsai, Cheng-Kuei Chang
INTRODUCTION: RDW is a prognostic biomarker and associated with mortality in cardiovascular disease, stroke and metabolic syndrome. For elderly patients, malnutrition and multiple comorbidities exist, which could affect the discrimination ability of RDW in sepsis. The main purpose of our study was to evaluate the prognostic value of RDW in sepsis among elderly patients. METHODS: This was a retrospective cohort study conducted in emergency department intensive care units (ED-ICU) between April 2015 and November 2015...
November 10, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29126631/antioxidant-response-to-heat-stress-in-seagrasses-a-gene-expression-study
#5
O Tutar, L Marín-Guirao, J M Ruiz, G Procaccini
Seawater warming associated to the ongoing climate change threatens functioning and survival of keystone coastal benthic species such as seagrasses. Under elevated temperatures, the production of reactive oxygen species (ROS) is increased and plants must activate their antioxidant defense mechanisms to protect themselves from oxidative damage. Here we explore from a molecular perspective the ability of Mediterranean seagrasses to activate heat stress response mechanisms, with particular focus on antioxidants...
October 27, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/29125500/bessel-like-functional-distributions-in-brain-average-evoked-potentials
#6
Antonio Capolupo, Robert Kozma, Andrés Olivares Del Campo, Giuseppe Vitiello
Average evoked potential data recorded as impulse responses of brains to electric shocks show Bessel-like functional distributions which we analyze in terms of couples of damped/amplified oscillators. This reproduces results obtained in terms of ordinary differential equations (Freeman K-sets) and offers the possibility of a direct connection with the dissipative model of brain in the quantum gauge field theory paradigm. We study the control mechanism by fine tuning the model parameters and the brain property of discriminating between two similar behaviors or perceptions...
November 7, 2017: Journal of Integrative Neuroscience
https://www.readbyqxmd.com/read/29124112/concise-informed-consent-to-increase-data-and-biospecimen-access-may-accelerate-innovative-alzheimer-s-disease-treatments
#7
REVIEW
Ann M Hake, Penny A Dacks, Stephen P Arnerić
Introduction: Informed consent forms that restrict the distribution of data and samples have been an impediment to advancing Alzheimer's disease (AD) understandings and treatments. The Coalition Against Major Disease public-private partnership developed concise addenda to responsibly broaden data access of informed consent forms. Methods: Coalition Against Major Disease members identified key elements for ensuring data and biospecimen access, and patient privacy protection according to applicable US law...
November 2017: Alzheimer's & Dementia: Translational Research & Clinical Interventions
https://www.readbyqxmd.com/read/29120554/accommodation-to-diagnosis-of-trigeminal-neuralgia
#8
Vanja Bašić Kes, Lucija Zadro Matovina
Trigeminal neuralgia is one of the most common causes of facial pain. It implies short lasting episodes of unilateral electric shock-like pain with abrupt onset and termination, in the distribution of one or more divisions of the trigeminal nerve that are triggered by innocuous stimuli. Most cases of trigeminal neuralgia are caused by compression of the trigeminal nerve root. Depending on the etiology, trigeminal neuralgia can be classified as classic trigeminal neuralgia or painful trigeminal neuropathy. It may be precipitated by some actions at trigger zones...
March 2017: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29118875/a-fatal-case-of-intra-abdominal-hemorrhage-following-diagnostic-blind-percutaneous-liver-biopsy-in-a-patient-with-peliosis-hepatis
#9
Saptarshi Biswas, Shekhar Gogna, Prem Patel
Peliosis hepatis (PH) is a rare vascular condition of the liver characterized by the presence of cystic blood filled cavities distributed randomly throughout the liver parenchyma. We describe a case of a 42-year-old previously healthy male patient, airlifted to us in a state of hemorrhagic shock after undergoing percutaneous diagnostic liver biopsy for lesions seen on CT scan. Repeat CT scan with IV contrast on presentation in our hospital showed intraperitoneal bleeding. Hepatic angiography failed to identify any specific bleeding source...
October 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/29110981/distributive-shock-in-a-neonate-with-diffuse-infantile-hepatic-hemangioma
#10
James Brown, Rajan Arora, Usha Sethuraman
BACKGROUND: Hemangiomas are common cutaneous findings on healthy infants. These vascular malformations are generally benign, though in rare circumstances they can potentially be fatal. This is particularly true when the hemangiomas are large or numerous and occurring in visceral organs. Previously unrecognized visceral hemangiomas are part of the differential for any neonate presenting unexpectedly in shock. CASE REPORT: A 10-day-old neonate presented to the pediatric emergency department with difficulty breathing...
October 27, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29100590/anemia-and-the-risk-of-life-threatening-ventricular-tachyarrhythmias-from-the-israeli-implantable-cardioverter-defibrillator-registry
#11
Ido Goldenberg, Alon Barsheshet, Avishag Laish-Farkash, Moshe Swissa, Jorge E Schliamser, Yoav Michowitz, Michael Glikson, Mahmoud Suleiman
Anemia was shown to be associated with increased risk for adverse events in patients with heart failure (HF). However, there are limited data on the association between anemia and the risk for ventricular arrhythmias (VAs) in patients with an implantable cardioverter defibrillator (ICD). The present study population comprised 2,352 patients who were enrolled and prospectively followed up in the Israeli ICD Registry. The risk for a first appropriate ICD shock for VA was assessed by the presence of anemia, categorized at the lower tertile of hemoglobin distribution (≤12 g/dL [n = 753])...
October 5, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29095963/comparative-evaluation-of-a-four-implant-supported-polyetherketoneketone-framework-prosthesis-a-three-dimensional-finite-element-analysis-based-on-cone-beam-computed-tomography-and-computer-aided-design
#12
Ki-Sun Lee, Sang-Wan Shin, Sang-Pyo Lee, Jong-Eun Kim, Jee-Hwan Kim, Jeong-Yol Lee
PURPOSE: The purpose of this pilot study was to evaluate and compare polyetherketoneketone (PEKK) with different framework materials for implant-supported prostheses by means of a three-dimensional finite element analysis (3D-FEA) based on cone beam computed tomography (CBCT) and computer-aided design (CAD) data. MATERIALS AND METHODS: A geometric model that consisted of four maxillary implants supporting a prosthesis framework was constructed from CBCT and CAD data of a treated patient...
November 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29093190/upper-thermal-limits-of-growth-in-brook-trout-and-their-relationship-to-stress-physiology
#13
Joseph G Chadwick, Stephen D McCormick
Despite the threat of climate change, the physiological mechanisms responsible for reduced performance at high temperatures remain unclear for most species. Elevated but sublethal temperatures may act via endocrine and cellular stress responses to limit performance in important life-history traits such as growth. Here, brook trout (Salvelinus fontinalis) subjected to chronically elevated or daily oscillating temperatures were monitored for growth and physiological stress responses. Growth rate decreased at temperatures above 16°C and was negative at 24°C, with an estimated upper limit for positive growth of 23...
November 1, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29092188/design-and-fabrication-of-distributed-bragg-reflector-multilayers-for-dynamic-pressure-sensing
#14
Gyuhyon Lee, David A Scripka, Brent Wagner, Naresh N Thadhani, Zhitao Kang, Christopher J Summers
A novel 2D-surface shock pressure sensor is designed and tested based on 1D-Photonic Crystal, i.e., Distributed Bragg Reflector Multilayer (DBR/ML) structures. The fast opto-mechanical response of these structures to changes in layer thicknesses and refractive indices are ideally suited for dynamic pressure sensing. They offer the potential to minimize acoustic impedance mismatch between the material layers, and most importantly, the potential to monitor both temporal and spatial (lateral) variations during shock compression...
October 30, 2017: Optics Express
https://www.readbyqxmd.com/read/29091629/temperature-characterization-of-a-radiating-gas-layer-using-digital-single-lens-reflex-camera-based-two-color-ratio-pyrometry
#15
Sneh Deep, Yedhu Krishna, Gopalan Jagadeesh
The two-color ratio pyrometry technique using a digital single-lens reflex camera has been used to measure the time-averaged and path-integrated temperature distribution in the radiating shock layer in a high-enthalpy flow. A 70 mm diameter cylindrical body with a 70 mm long spike was placed in a hypersonic shock tunnel, and the region behind the shock layer was investigated. The systematic error due to contributions from line emissions was corrected by monitoring the emission spectrum from this region using a spectrometer...
October 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/29084071/a-study-of-red-cell-distribution-width-in-neonatal-sepsis
#16
Dalia Monir Ellahony, Muhammad S El-Mekkawy, Marwa M Farag
OBJECTIVES: The objective of this study was to evaluate a new nontraditional value of the red cell distribution width (RDW) in predicting the clinical outcome of neonatal sepsis. METHODS: In this retrospective study, data were collected from the medical files of 500 full-term neonates with a diagnosis of early onset or late onset sepsis. Baseline RDW and other traditional biomarkers, including C-reactive protein (CRP), total leucocytic count, and platelet count were analyzed in light of the clinical data...
October 27, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29062187/acute-toxicity-of-commercial-atrazine-in-piaractus-mesopotamicus-histopathological-ultrastructural-molecular-and-genotoxic-evaluation
#17
Paula Pereira de Paiva, Mariana Cruz Delcorso, Valquíria Aparecida Matheus, Sonia Claudia do Nascimento de Queiroz, Carla Beatriz Collares-Buzato, Sarah Arana
AIM: The aim of this work was to evaluate the sensitivity of Pacu fingerlings (Piaractus mesopotamicus) by measuring the effects of median lethal concentration (LC50) of atrazine (ATZ - 28.58 mg/L) after acute exposure (up to 96 h). MATERIALS AND METHODS: The fish were exposed to the LC50 of ATZ for 96 h (28.58 mg/L) in a static system. During the experiment, the fingerlings were randomly distributed in four glass tanks (50 L) containing dechlorinated water. Four glass tanks were for the control group, and four were for the ATZ-exposed group (n=4 per glass tank), given a total number of 16 animals tested per group...
September 2017: Veterinary World
https://www.readbyqxmd.com/read/29058589/translational-evidence-for-two-distinct-patterns-of-neuroaxonal-injury-in-sepsis-a-longitudinal-prospective-translational-study
#18
Johannes Ehler, Lucinda K Barrett, Valerie Taylor, Michael Groves, Francesco Scaravilli, Matthias Wittstock, Stephan Kolbaske, Annette Grossmann, Jörg Henschel, Martin Gloger, Tarek Sharshar, Fabrice Chretien, Francoise Gray, Gabriele Nöldge-Schomburg, Mervyn Singer, Martin Sauer, Axel Petzold
BACKGROUND: Brain homeostasis deteriorates in sepsis, giving rise to a mostly reversible sepsis-associated encephalopathy (SAE). Some survivors experience chronic cognitive dysfunction thought to be caused by permanent brain injury. In this study, we investigated neuroaxonal pathology in sepsis. METHODS: We conducted a longitudinal, prospective translational study involving (1) experimental sepsis in an animal model; (2) postmortem studies of brain from patients with sepsis; and (3) a prospective, longitudinal human sepsis cohort study at university laboratory and intensive care units (ICUs)...
October 23, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29053741/the-importance-of-propolis-in-alleviating-the-negative-physiological-effects-of-heat-stress-in-quail-chicks
#19
Gamal M K Mehaisen, Rania M Ibrahim, Adel A Desoky, Hosam M Safaa, Osama A El-Sayed, Ahmed O Abass
Heat stress is one of the most detrimental confrontations in tropical and subtropical regions of the world, causing considerable economic losses in poultry production. Propolis, a resinous product of worker honeybees, possesses several biological activities that could be used to alleviate the deleterious effects of high environmental temperature on poultry production. The current study was aimed at evaluating the effects of propolis supplementation to Japanese quail (Coturnix coturnix japonica) diets on the production performance, intestinal histomorphology, relative physiological and immunological parameters, and selected gene expression under heat stress conditions...
2017: PloS One
https://www.readbyqxmd.com/read/29052324/effect-of-heat-stress-during-in-vitro-maturation-on-developmental-competence-of-vitrified-bovine-oocytes
#20
M Vendrell-Flotats, N Arcarons, E Barau, M López-Béjar, T Mogas
Heat-shock protein 70 (HSP70) plays a crucial role as intracellular cytoprotectant and molecular chaperone. A phenomenon of heat stress (HS) leads to production of these proteins that could be beneficial to cells during cryopreservation, which is also a stressful process for the cell. This study aimed to evaluate the protective effect of exposure of bovine oocytes to moderate HS during in vitro maturation (IVM) prior vitrification. First, oocytes were subjected to HS (41.5°C for 1 hr) at 0, 4, 8, 12 or 16 of IVM...
October 2017: Reproduction in Domestic Animals, Zuchthygiene
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