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Continuous nebulizer

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https://www.readbyqxmd.com/read/28548898/comparison-of-a-rapid-albuterol-pathway-with-a-standard-pathway-for-the-treatment-of-children-with-a-moderate-to-severe-asthma-exacerbation-in-the-emergency-department
#1
Matthew Wilkinson, Ben King, Sujit Iyer, Eric Higginbotham, Anna Wallace, Collin Hovinga, Coburn Allen
OBJECTIVE: The objective of this study was to determine if a rapid albuterol delivery pathway with a breath-enhanced nebulizer can reduce emergency department (ED) length of stay (LOS), while maintaining admission rates and side effects, when compared to a traditional asthma pathway with a standard jet nebulizer. METHODS: Children aged 3-18 presenting to a large urban pediatric ED for asthma were enrolled if they were determined by pediatric asthma score to have a moderate to severe exacerbation...
May 26, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28478753/antibiotic-prescription-patterns-in-spanish-cystic-fibrosis-patients-results-from-a-national-multicenter-study
#2
Juan de Dios Caballero, Rosa Girón, Rosa Del Campo, Concepción Prados, María-Isabel Barrio, Antonio Salcedo, Rafael Cantón
OBJECTIVE: Information about antibiotic prescription patterns for cystic fibrosis (CF) patients and, specifically, about inhaled treatment strategies for their management is lacking in Spain due to the absence of a national patient registry. In this study we present data about antibiotic prescription in the Spanish CF context that were obtained in a multicenter study, being inhaled treatment strategies the special focus of this work. METHODS: Twenty-four specialized CF units (12 adult, 12 pediatric) from 17 tertiary-care hospitals covering all Spanish Autonomous Communities provided sputa and clinical data from 15 consecutive patients...
May 1, 2017: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/28372430/trace-explosives-sensor-testbed-testbed
#3
Greg E Collins, Michael P Malito, Cy R Tamanaha, Mark H Hammond, Braden C Giordano, Adam L Lubrano, Christopher R Field, Duane A Rogers, Russell A Jeffries, Richard J Colton, Susan L Rose-Pehrsson
A novel vapor delivery testbed, referred to as the Trace Explosives Sensor Testbed, or TESTbed, is demonstrated that is amenable to both high- and low-volatility explosives vapors including nitromethane, nitroglycerine, ethylene glycol dinitrate, triacetone triperoxide, 2,4,6-trinitrotoluene, pentaerythritol tetranitrate, and hexahydro-1,3,5-trinitro-1,3,5-triazine. The TESTbed incorporates a six-port dual-line manifold system allowing for rapid actuation between a dedicated clean air source and a trace explosives vapor source...
March 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28364140/insights-into-jumonji-c-domain-containing-protein-6-jmjd6-a-multifactorial-role-in-foot-and-mouth-disease-virus-replication-in-cells
#4
REVIEW
Paul Lawrence, Elizabeth Rieder
The Jumonji C-domain containing protein 6 (JMJD6) has had a convoluted history, and recent reports indicating a multifactorial role in foot-and-mouth disease virus (FMDV) infection have further complicated the functionality of this protein. It was first identified as the phosphatidylserine receptor on the cell surface responsible for recognizing phosphatidylserine on the surface of apoptotic cells resulting in their engulfment by phagocytic cells. Subsequent study revealed a nuclear subcellular localization, where JMJD6 participated in lysine hydroxylation and arginine demethylation of histone proteins and other non-histone proteins...
June 2017: Virus Genes
https://www.readbyqxmd.com/read/28349590/benzalkonium-chloride-a-bronchoconstricting-preservative-in-continuous-albuterol-nebulizer-solutions
#5
Sreekala Prabhakaran, Mutasim Abu-Hasan, Leslie Hendeles
For convenience, many pediatric hospitals are preparing solutions for continuous nebulized albuterol using the 0.5% 20-ml multidose albuterol dropper bottle. This product contains benzalkonium chloride (BAC) that, by itself, produces bronchospasm that is dose dependent and cumulative. The bronchoconstrictive effects of BAC are greater in patients with more severe airway obstruction and increased airway responsiveness. Use of BAC-containing albuterol during severe acute asthma exacerbations may antagonize the bronchodilator response to albuterol, prolong treatment, and increase the risk of albuterol-related systemic adverse effects...
March 28, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28340754/an-environmentally-friendly-highly-efficient-gas-pressure-assisted-sample-introduction-system-for-icp-ms-and-its-application-to-detection-of-cadmium-and-lead-in-human-plasma
#6
Yupin Cao, Biyang Deng, Lizhen Yan, Hongli Huang
An environmentally friendly and highly efficient gas pressure-assisted sample introduction system (GPASIS) was developed for inductively-coupled plasma mass spectrometry. A GPASIS consisting of a gas-pressure control device, a customized nebulizer, and a custom-made spray chamber was fabricated. The advantages of this GPASIS derive from its high nebulization efficiencies, small sample volume requirements, low memory effects, good precision, and zero waste emission. A GPASIS can continuously, and stably, nebulize 10% NaCl solution for more than an hour without clogging...
May 15, 2017: Talanta
https://www.readbyqxmd.com/read/28340721/sensitive-determination-of-hg-together-with-mn-fe-cu-by-combined-photochemical-vapor-generation-and-pneumatic-nebulization-in-the-programmable-temperature-spray-chamber-and-inductively-coupled-plasma-optical-emission-spectrometry
#7
Jacek Giersz, Magdalena Bartosiak, Krzysztof Jankowski
Continuous photo-induced generation of mercury cold vapor has been successfully coupled with conventional pneumatic nebulization in programmable temperature spray chamber (PCVG-PN-PTSC) allowing fast, sensitive and easy multi-element analysis. The applied technique enabled simultaneous determination of non-volatile forming elements (Fe, Cu, Mn) and volatile Hg, while 15%v/v formic acid is present in the sample. PTSC elevated temperature (40°C) causes partial conversion of sample matrix into vapor form, thus improving plasma robustness...
May 15, 2017: Talanta
https://www.readbyqxmd.com/read/28325776/noninvasive-respiratory-support-during-pediatric-ground-transport-implementation-of-a-safe-and-feasible-procedure
#8
Nuria Millán, Carme Alejandre, Aina Martinez-Planas, Josep Caritg, Elisabeth Esteban, Martí Pons-Òdena
BACKGROUND: The purpose of this work was to determine the safety and feasibility of noninvasive support in children with acute respiratory failure (ARF) during interhospital ground transport. METHODS: This was a prospective, single-center observational clinical study in the pediatric transport unit of a tertiary-care pediatric hospital. We included all subjects with ARF transported from November 2010 to March 2013. A specific noninvasive support protocol was used for all cases...
March 21, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28294577/the-enigma-of-inhaled-salbutamol-and-sport-unresolved-after-45-years
#9
K D Fitch
During the past 45 years, there have been more changes on the World Anti-Doping Agency's (WADA) Prohibited List (the List) to the status of inhaled salbutamol than any other substance. With 658 athletes, 6.1% of all participating athletes approved to inhale salbutamol at the 2008 Beijing Games, it is one of the medications used most frequently by Olympic athletes. Nevertheless, since the 2008 Games, WADA has made numerous changes to inhaled salbutamol on the List including prohibiting its use, then a year later permitting it without prior notification and recommending a pharmacokinetic study if an athlete exceeds the urinary threshold of 1000 ng/mL...
March 11, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28157412/a-trans-nasal-aerosol-delivery-device-for-efficient-pulmonary-deposition
#10
Kirby L Zeman, Juan Rojas Balcazar, Fred Fuller, Karl H Donn, Richard C Boucher, William D Bennett, Scott H Donaldson
BACKGROUND: Efficient delivery of aerosols to the lungs via the nasal route has been difficult to achieve, but it may offer benefits over the traditional oral route for a range of patient populations. Because slow, continuous delivery of short-acting agents could improve safety, tolerability, compliance, and efficacy when compared with the rapid, intermittent aerosol treatments delivered by mouthpiece or mask, a novel trans-nasal pulmonary aerosol delivery (tPAD) device was developed...
February 3, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/28151947/lung-protection-by-inhalation-of-exogenous-solubilized-extracellular-matrix
#11
Jinglei Wu, Priya Ravikumar, Kytai T Nguyen, Connie C W Hsia, Yi Hong
Decellularized extracellular matrix (ECM) contains complex tissue-specific components that work in concert to promote tissue repair and constructive remodeling and has been used experimentally and clinically to accelerate epithelial wound repair, leading us to hypothesize that lung-derived ECM could mitigate acute lung injury. To explore the therapeutic potential of ECM for noninvasive delivery to the lung, we decellularized and solubilized porcine lung ECM, then characterized the composition, concentration, particle size and stability of the preparation...
2017: PloS One
https://www.readbyqxmd.com/read/28096296/a-critical-asthma-standardized-clinical-and-management-plan-reduces-duration-of-critical-asthma-therapy
#12
COMPARATIVE STUDY
Jackson Wong, Michael S D Agus, Dionne A Graham, Elliot Melendez
BACKGROUND AND OBJECTIVE: Reduction of critical asthma management time can reduce intensive care utilization. The goal of this study was to determine whether a Critical Asthma Standardized Clinical Assessment and Management Plan (SCAMP) can decrease length of critical asthma management time. METHODS: This retrospective study compared critical asthma management times in children managed before and after implementation of a Critical Asthma SCAMP. The SCAMP used an asthma severity score management scheme to guide stepwise escalation and weaning of therapies...
February 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28068958/effects-of-ventilator-settings-nebulizer-and-exhalation-port-position-on-albuterol-delivery-during-non-invasive-ventilation-an-in-vitro-study
#13
Yuda Sutherasan, Lorenzo Ball, Pasquale Raimondo, Valentina Caratto, Elisa Sanguineti, Federico Costantino, Maurizio Ferretti, Robert M Kacmarek, Paolo Pelosi
BACKGROUND: Few studies have investigated the factors affecting aerosol delivery during non-invasive ventilation (NIV). Our aim was to investigate, using a bench-top model, the effect of different ventilator settings and positions of the exhalation port and nebulizer on the amount of albuterol delivered to a lung simulator. METHODS: A lung model simulating spontaneous breathing was connected to a single-limb NIV ventilator, set in bi-level positive airway pressure (BIPAP) with inspiratory/expiratory pressures of 10/5, 15/10, 15/5, and 20/10 cmH2O, or continuous positive airway pressure (CPAP) of 5 and 10 cmH2O...
January 10, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28049113/update-on-pediatric-overuse
#14
Eric R Coon, Paul C Young, Ricardo A Quinonez, Daniel J Morgan, Sanket S Dhruva, Alan R Schroeder
As concerns over health care-related harms and costs continue to mount, efforts to identify and combat medical overuse are needed. Although much of the recent attention has focused on health care for adults, children are also harmed by overuse. Using a structured PubMed search and manual tables of contents review, we identified important articles on pediatric overuse published in 2015. These articles were evaluated according to the quality of the methods, the magnitude of clinical effect, and the number of patients potentially affected and were categorized into overdiagnosis, overtreatment, and overutilization...
February 2017: Pediatrics
https://www.readbyqxmd.com/read/27882886/technical-note-air-compared-to-nitrogen-as-nebulizing-and-drying-gases-for-electrospray-ionization-mass-spectrometry
#15
P Mielczarek, J Silberring, M Smoluch
In the present study we tested the application of compressed air instead of pure nitrogen as the nebulizing and drying gas, and its influence on the quality of electrospray ionization (ESI) mass spectra. The intensities of the signals corresponding to protonated molecules were significantly (twice) higher when air was used. Inspection of signal-to-noise (S/N) ratios revealed that, in both cases, sensitivity was comparable. A higher ion abundance after the application of compressed air was followed by a higher background...
2016: European Journal of Mass Spectrometry
https://www.readbyqxmd.com/read/27864792/readmission-risk-in-chronic-obstructive-pulmonary-disease-patients-comparative-study-of-nebulized-%C3%AE-2-agonists
#16
Vamsi Bollu, Annie Guérin, Geneviève Gauthier, Robert Hiscock, Eric Q Wu
BACKGROUND: Bronchodilators are used for managing the symptoms of chronic obstructive pulmonary disease (COPD) and minimizing the risk of hospitalization and readmission. Hospital readmission is predictive of morbidity and mortality. OBJECTIVE: The study objective was to compare all-cause readmission risk in COPD patients receiving nebulized long-acting β2-agonists (neb-LABAs) versus nebulized short-acting β2-agonists (neb-SABA) following COPD-related hospitalization discharge...
March 2017: Drugs—Real World Outcomes
https://www.readbyqxmd.com/read/27748638/the-history-of-therapeutic-aerosols-a-chronological-review
#17
Stephen W Stein, Charles G Thiel
In 1956, Riker Laboratories, Inc., (now 3 M Drug Delivery Systems) introduced the first pressurized metered dose inhaler (MDI). In many respects, the introduction of the MDI marked the beginning of the modern pharmaceutical aerosol industry. The MDI was the first truly portable and convenient inhaler that effectively delivered drug to the lung and quickly gained widespread acceptance. Since 1956, the pharmaceutical aerosol industry has experienced dramatic growth. The signing of the Montreal Protocol in 1987 led to a surge in innovation that resulted in the diversification of inhaler technologies with significantly enhanced delivery efficiency, including modern MDIs, dry powder inhalers, and nebulizer systems...
February 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/27743639/protective-effect-of-inhaled-rho-kinase-inhibitor-on-lung-ischemia-reperfusion-injury
#18
Keiji Ohata, Toyofumi F Chen-Yoshikawa, Toshi Menju, Ei Miyamoto, Satona Tanaka, Mamoru Takahashi, Hideki Motoyama, Kyoko Hijiya, Akihiro Aoyama, Hiroshi Date
BACKGROUND: Rho-kinase, an intracellular serine/threonine kinase, is a key regulator of cytoskeletal dynamics. Recent studies have demonstrated that Rho-kinase is involved in the ischemia-reperfusion injury (IRI) pathogenesis of many organs; however, its involvement with lung IRI remains unclear. This study assessed the association of Rho-kinase with lung IRI and evaluated the protective effect of inhaled Rho-kinase inhibitors in lung IRI. METHODS: The study included isolated rat lung perfusion models, divided into three groups: sham, Rho-kinase inhibitor, and warm ischemia (n = 6 each)...
February 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27732894/development-of-aqueous-dispersions-of-coenzyme-q10-for-pulmonary-delivery-and-the-dynamics-of-active-vibrating-mesh-aerosolization
#19
Thiago C Carvalho, John P McCook, Niven R Narain, Jason T McConville
Coenzyme Q10 (CoQ10) is a poorly-water soluble compound that is being investigated for the treatment of carcinomas. The aim of this study was to investigate the feasibility of preparing phospholipid-stabilized dispersions of the anticancer agent for continuous pulmonary delivery using a vibrating-mesh nebulizer. We determined the physicochemical properties (drug particle size distribution in dispersion, zeta potential, surface tension, and rheology) and compared the aerosolization profiles (nebulization performance, aerodynamic drug deposition and total emitted dose) of dispersions of CoQ10 prepared with different phospholipids...
December 5, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27610263/severe-hypotension-hypoxia-and-subcutaneous-erythema-induced-by-indigo-carmine-administration-during-open-prostatectomy
#20
Koichiro Nandate, Bryan B Voelzke
Indigo carmine (also known as 5,5'-indigodisulfonic acid sodium salt or indigotine) is a blue dye that is administered intravenously to examine the urinary tract and usually is biologically safe and inert. Indigo carmine rarely may cause adverse reactions. We treated a 66-year-old man who had general anesthesia and radical retropubic prostatectomy for prostate cancer. He had a previous history of allergy to bee sting with nausea, vomiting, and dizziness. Within 1 minute after injection of indigo carmine for evaluation of the ureters, the patient developed hypotension to 40 mmHg, severe hypoxia (the value of SpO2 (peripheral capillary oxygen saturation) was 75% on 40% inspired oxygen concentration), poor air movement and bilateral diffuse wheezing on auscultation, and marked subcutaneous erythema at the upper extremities...
2016: Case Reports in Urology
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