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https://www.readbyqxmd.com/read/29792673/recent-advances-on-sodium-oxygen-batteries-a-chemical-perspective
#1
Hossein Yadegari, Xueliang Sun
Releasing greenhouse gases into the atmosphere because of widespread use of fossil fuels by humankind has resulted in raising the earth's temperature during the past few decades. Known as global warming, increasing the earth's temperature may in turn endanger civilization on the earth by starting a cycle of environmental changes including climate change and sea level rise. Therefore, replacing fossil fuels with more sustainable energy resources has been considered as one of the main strategies to tackle the global warming crisis...
May 24, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29792524/managing-comorbid-cardiovascular-disease-and-sleep-apnea-with-pharmacotherapy
#2
Jacek Wolf, Krzysztof Narkiewicz
Highly prevalent sleep disordered breathing (SDB) has been recognized as an independent cardiovascular disease (CVD) risk factor. Although these two entities often coexist, there is a shortage of sufficiently-powered studies testing the interplay between the course of sleep apnea and CVD pharmacotherapy. The mutual relationship between treated/untreated obstructive sleep apnea (OSA) with ongoing cardiovascular pharmacotherapies is an evident gap in clinical expertise. Areas covered: In this article, the authors review the available evidence and outline future research directions concerning the reciprocal relationship between the pharmacological treatment of CVD and SDB...
May 24, 2018: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/29791455/national-patterns-of-physician-management-of-sleep-apnea-and-treatment-among-patients-with-hypertension
#3
Rebecca Robbins, Azizi Seixas, Girardin Jean-Louis, Sairam Parthasarathy, David M Rapoport, Gbenga Ogedegbe, Joseph A Ladapo
STUDY OBJECTIVES: Sleep apnea is associated with hypertension, and treatment may improve outcomes. We examine national burden of sleep apnea, rates of sleep apnea treatment, and whether racial/ethnic disparities exist among patients with hypertension. METHODS: Data from the National Ambulatory Medical Care Survey/National Hospital Ambulatory Medical Care Survey (NAMCS/NHAMCS), 2005-2012, were analyzed (N = 417,950). We identified hypertension patient visits where sleep apnea diagnosis or complaint was recorded...
2018: PloS One
https://www.readbyqxmd.com/read/29791260/assessment-of-the-power-required-for-optimal-use-of-current-inhalation-devices
#4
Gerhard Pohlmann, Jens M Hohlfeld, Peter Haidl, Jelena Pankalla, Rolf Michael Cloes
BACKGROUND: Inhalation of medications is the cornerstone in the treatment of patients with lung diseases. A variety of inhalation devices exists and each device has specific requirements to achieve optimum inhalation of the drug. The goal of this study was to establish a clear overview on performance requirements of standard inhalation devices that should be met by the patient's breathing power and to develop a new method to measure the individual performance data. MATERIALS AND METHODS: An optimum and still acceptable required breathing power (P in watts) was calculated for each device with the aid of individual device flow rates (determined by a literature search) and the flow resistances (by measuring the pressure drop over the different inhalation devices)...
May 23, 2018: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/29791057/refining-noninvasive-support-strategies-to-help-babies-breathe
#5
EDITORIAL
Baldvin Jonsson
No abstract text is available yet for this article.
May 23, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29790839/how-to-monitor-the-breathing-of-laboratory-rodents-a-review-of-the-current-methods
#6
Julien Grimaud, Venkatesh N Murthy
Accurately measuring respiration in laboratory rodents is essential for many fields of research, including olfactory neuroscience, social behavior, learning and memory, and respiratory physiology. However, choosing the right technique to monitor respiration can be tricky, given the many criteria to take into account: reliability, precision, and invasiveness, to name a few. This review aims to assist experimenters in choosing the technique that will best fit their needs, by surveying the available tools, discussing their strengths and weaknesses, and offering suggestions for future improvements...
May 23, 2018: Journal of Neurophysiology
https://www.readbyqxmd.com/read/29790784/neonatal-pulmonary-mri-of-bronchopulmonary-dysplasia-predicts-short-term-clinical-outcomes
#7
Nara S Higano, David R Spielberg, Robert J Fleck, Andrew H Schapiro, Laura L Walkup, Andrew D Hahn, Jean A Tkach, Paul S Kingma, Stephanie L Merhar, Sean B Fain, Jason C Woods
RATIONALE: Bronchopulmonary dysplasia (BPD) is a serious neonatal pulmonary condition associated with premature birth, but the underlying parenchymal disease and trajectory are poorly characterized. The current NICHD/NHLBI definition of BPD severity is based on degree of prematurity and extent of oxygen requirement. However, no clear link exists between initial diagnosis and clinical outcomes. OBJECTIVES: We hypothesized that magnetic resonance imaging (MRI) of structural parenchymal abnormalities will correlate with NICHD-defined BPD disease severity and predict short-term respiratory outcomes...
May 23, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29790330/sub-ppm-h2s-colorimetric-sensor-lead-acetate-anchored-nanofibers-toward-halitosis-diagnosis
#8
Jun-Hwe Cha, Dong-Ha Kim, Seon-Jin Choi, Won-Tae Koo, Il-Doo Kim
Lead(II) acetate (Pb(Ac)2) reacts with hydrogen sulfide to form colored brownish precipitates of lead sulfide. Thus far, in order to detect leakage of H2S gas in industrial sectors, Pb(Ac)2 has been used as an indicator in the form of test papers with a detection limit only as low as 5 ppm. Diagnosis of halitosis by exhaled breath needs sensors able to detect down to 1 ppm of H2S gas. In this work, high surface area and porous Pb(Ac)2 anchored nanofibers (NFs) that overcome limitations of conventional Pb(Ac)2 based H2S sensor are successfully achieved...
May 23, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29789955/a-gate-opening-controlled-metal-organic-framework-for-selective-solid-phase-microextraction-of-aldehydes-from-exhaled-breath-of-lung-cancer-patients
#9
Li-Qing Yu, Li-Ya Wang, Fei-Hong Su, Ping-Yu Hao, Huan Wang, Yun-Kai Lv
A stainless steel fiber was coated with a gate-opening controlled metal-organic framework ZIF-7 via a sol-gel method and applied to the solid-phase microextraction of aldehydes (hexanal, heptanal, octanal, nonanal, decanal) from exhaled breath by lung cancer patients. The effects of temperature and time on the sorption and desorption were optimized. Under optimum condition, the modified fiber displays enrichment factors (typically ranging from 300 to 10,000), low limits of detection (0.61-0.84 μg L-1 ), and wide linear ranges of hexanal, heptanal (5-500 μg L-1 ) and octanal, nonanal, decanal (10-1000 μg L-1 )...
May 22, 2018: Mikrochimica Acta
https://www.readbyqxmd.com/read/29789952/carotid-body-ablation-a-new-target-to-address-central-autonomic-dysfunction
#10
REVIEW
Rodrigo Iturriaga
PURPOSE OF REVIEW: An abnormal heightened carotid body (CB) chemoreflex, which produces autonomic dysfunction and sympathetic overactivation, is the common hallmark of obstructive sleep apnea (OSA), resistant hypertension, systolic heart failure (HF), and cardiometabolic diseases. Accordingly, it has been proposed that the elimination of the CB chemosensory input to the brainstem may reduce the autonomic and cardiorespiratory alterations in sympathetic-associated diseases in humans. RECENT FINDINGS: A growing body of evidence obtained in preclinical animal models support that an enhanced CB discharge produces sympathetic hyperactivity, baroreflex sensitivity and heart rate variability impairment, breathing instability, hypertension, and insulin resistance...
May 22, 2018: Current Hypertension Reports
https://www.readbyqxmd.com/read/29789951/sleep-in-children-with-congenital-malformations-of-the-central-nervous-system
#11
REVIEW
Jacqueline F Yates, Matthew M Troester, David G Ingram
PURPOSE OF REVIEW: Congenital malformations of the central nervous system may be seen in isolation or in association with syndromes that have multiorgan involvement. Among the potential health challenges these children may face, sleep concerns are frequent and may include chronic insomnia, sleep-related breathing disorders, and circadian rhythm disorders. RECENT FINDINGS: In this review, we describe recent research into sleep disorders affecting children with congenital malformations of the CNS including visual impairment, septo-optic dysplasia, agenesis of the corpus callosum, Aicardi syndrome, Chiari malformation, spina bifida, achondroplasia, Joubert syndrome, fetal alcohol spectrum disorders, and congenital Zika syndrome...
May 23, 2018: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/29789897/-pilot-study-to-investigate-sleep-disorders-in-the-blind-and-persons-with-relevant-visual-impairment
#12
C Dirks, D Grünewald, P Young, A Heidbreder
BACKGROUND: Sleep disorders are associated with serious health problems in blind and visually impaired persons. Loss of light perception may result in a shift of sleep-wake pattern, which may lead to significant impairments in daily life--the so-called non-24-hour sleep-wake disorder. To date, epidemiologic data on non-24 only exist for the USA. This pilot study was conducted to provide first epidemiologic data for the prevalence of non-24 and other sleep disorders among blind and visually impaired persons in Germany...
May 22, 2018: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/29789896/an-offline-technique-to-evaluate-residual-motion-of-the-diaphragm-during-deep-inspiratory-breath-hold-from-cone-beam-ct-datasets
#13
Manuel Blessing, Julian Hofmann, Lena Vogel, Judit Boda-Heggemann, Frank Lohr, Frederik Wenz, Florian Stieler, Anna Simeonova-Chergou
PURPOSE: In radiation therapy, the computer-assisted deep inspiration breath-hold (DIBH) technique is one approach to deal with respiratory motion of tumors in the lung, liver, or upper abdomen. However, inter- and intra-breath-hold deviations from an optimal static tumor position might occur. A novel method is presented to noninvasively measure the diaphragm position and thus estimate its residual deviation (as surrogate for the tumor position) based on cone-beam computed tomography (CBCT) projection data using active breathing control during acquisition...
May 22, 2018: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/29789888/diffusion-tensor-imaging-in-acute-pyelonephritis-in-children
#14
Mickaël Lair, Mariette Renaux-Petel, Adnan Hassani, Yohann Cruypeninck, Ioana Vasies, Agnès Liard, Jean-Nicolas Dacher, Pierre-Hugues Vivier
BACKGROUND: Diffusion-weighted imaging plays a key role in the imaging of acute pyelonephritis by MRI. However the use of respiratory triggering is challenging and time-consuming in children. Diffusion tensor imaging without respiratory triggering might provide satisfying images of the moving kidneys. OBJECTIVE: To compare mean diffusivity diffusion tensor images obtained with free breathing with diffusion-weighted images obtained with respiratory triggering. MATERIALS AND METHODS: Thirty-one children with suspected acute pyelonephritis underwent axial diffusion tensor imaging acquisition with free breathing and axial and coronal diffusion-weighted imaging acquisitions with respiratory triggering...
May 22, 2018: Pediatric Radiology
https://www.readbyqxmd.com/read/29789412/effect-of-a-nebulizer-holding-chamber-on-aerosol-delivery
#15
Rania M Sarhan, Ahmed A Elberry, Nada Saed Abdelwahab, Hoda Rabea, Mohamed Nabil Salem, Mohamed Ea Abdelrahim
BACKGROUND: A new holding chamber was designed to be used with the Aerogen Solo nebulizer to increase the aerosol emitted that reach the patient. The aim of this study was to evaluate the efficacy of this holding chamber with Solo nebulizer and determine its usability with other nebulizers. METHODS: The study was divided into 2 parts. In the first part, aerosol emitted of 1 mL respirable solution (nominal dose of 5000 μg salbutamol), delivered by using the Solo nebulizer, Pro nebulizer, and jet nebulizer, connected to a T-piece or a holding chamber, was determined by using a breathing simulator set to provide a tidal volume of 500 mL, frequency of 15 breaths/min, and the inspiratory-expiratory ratio of 1:1 for adults as the quiet breathing pattern...
May 22, 2018: Respiratory Care
https://www.readbyqxmd.com/read/29789411/heliox-adjunct-therapy-for-neonates-with-congenital-diaphragmatic-hernia
#16
Audra C Wise, Mallory A Boutin, Ellen M Knodel, James A Proudfoot, Brian P Lane, Marva L Evans, Denise M Suttner, Amy L Kimball
BACKGROUND: Congenital diaphragmatic hernia remains a complex disease with significant morbidity and mortality. Hypercarbia is a common derangement in this population, which often requires escalating ventilator support. By decreasing airway turbulence and enhancing CO2 removal, inhaled helium-oxygen mixture (heliox) has the potential to improve ventilation and thereby decrease ventilator support and its associated lung injury. METHODS: Retrospective cohort review of all neonates with congenital diaphragmatic hernia treated at Rady Children's Hospital San Diego during 2011-2015...
May 22, 2018: Respiratory Care
https://www.readbyqxmd.com/read/29789276/novel-method-to-efficiently-create-an-mhealth-app-implementation-of-a-real-time-electrocardiogram-r-peak-detector
#17
Vadim Gliner, Joachim Behar, Yael Yaniv
BACKGROUND: In parallel to the introduction of mobile communication devices with high computational power and internet connectivity, high-quality and low-cost health sensors have also become available. However, although the technology does exist, no clinical mobile system has been developed to monitor the R peaks from electrocardiogram recordings in real time with low false positive and low false negative detection. Implementation of a robust electrocardiogram R peak detector for various arrhythmogenic events has been hampered by the lack of an efficient design that will conserve battery power without reducing algorithm complexity or ease of implementation...
May 22, 2018: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29789154/improved-prescribed-performance-control-for-air-breathing-hypersonic-vehicles-with-unknown-deadzone-input-nonlinearity
#18
Yingyang Wang, Jianbo Hu
An improved prescribed performance controller is proposed for the longitudinal model of an air-breathing hypersonic vehicle (AHV) subject to uncertain dynamics and input nonlinearity. Different from the traditional non-affine model requiring non-affine functions to be differentiable, this paper utilizes a semi-decomposed non-affine model with non-affine functions being locally semi-bounded and possibly in-differentiable. A new error transformation combined with novel prescribed performance functions is proposed to bypass complex deductions caused by conventional error constraint approaches and circumvent high frequency chattering in control inputs...
May 19, 2018: ISA Transactions
https://www.readbyqxmd.com/read/29789000/spontaneous-splenic-rupture-complicating-primary-varicella-zoster-infection-a-case-report
#19
Aarthy Uthayakumar, David Harrington
BACKGROUND: Primary varicella zoster virus (VZV) infection is a common illness, predominantly affecting children. Its course is typically benign, although severe complications have been described. Splenic rupture is an extremely rare and potentially fatal complication of primary VZV infection, with only a handful of cases reported in the literature. CASE PRESENTATION: A 32-year-old Romanian man with no significant past medical history, presented with a 2 day history of sudden onset, worsening generalised abdominal pain and a 1 day history of vomiting...
May 22, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29788952/viruses-in-bronchiectasis-a-pilot-study-to-explore-the-presence-of-community-acquired-respiratory-viruses-in-stable-patients-and-during-acute-exacerbations
#20
Alicia B Mitchell, Bassel Mourad, Lachlan Buddle, Matthew J Peters, Brian G G Oliver, Lucy C Morgan
BACKGROUND: Bronchiectasis is a chronic respiratory condition. Persistent bacterial colonisation in the stable state with increased and sometimes altered bacterial burden during exacerbations are accepted as key features in the pathophysiology. The extent to which respiratory viruses are present during stable periods and in exacerbations is less well understood. METHODS: This study aimed to determine the incidence of respiratory viruses within a cohort of bronchiectasis patients with acute exacerbations at a teaching hospital and, separately, in a group of patients with stable bronchiectasis...
May 22, 2018: BMC Pulmonary Medicine
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