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https://www.readbyqxmd.com/read/29149776/effect-of-nebulized-3-hypertonic-saline-with-salbutamol-on-management-of-acute-asthma-in-outpatient-adults-a-double-blind-randomized-clinical-trial-in-emergency-department
#1
Arash Forouzan, Kambiz Masoumi, Ali Delirrooyfard, Ali Asgari Darian, Laaya Mokhtar Gandomani
Asthma is one of the most common disorders of respiratory tract, management of which still remains as a serious health problem. This study aimed to compare the efficacy of 3% hypertonic saline (HS) plus salbutamol with solely salbutamol on management of acute adults' asthma based on peak flow meter findings. In this double-blind randomized clinical trial, 340 adult patients with acute asthma attacks admitted to emergency department of Ahvaz Golestan and Emam hospitals were enrolled during 2014-2015. The patients were allocated randomly to intervention group (nebulized 2...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29134721/atr-ftir-spectroscopy-and-%C3%AE-edxrf-spectrometry-monitoring-of-enamel-erosion-caused-by-medicaments-used-in-the-treatment-of-respiratory-diseases
#2
Raimundo Nonato Silva Gomes, Tanmoy T Bhattacharjee, Luis Felipe C S Carvalho, Luís Eduardo Silva Soares
Medicaments essential for alleviation of diseases may sometime adversely affect dental health by eroding the enamel, owing to their acidic nature. It is therefore highly desirable to be able to detect these effects quickly and reliably. In this study, we evaluated the erosive capacity of four most commonly prescribed respiratory disease syrup medicaments on enamel using micro-energy-dispersive X-ray fluorescence spectrometry (µ-EDXRF) and attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR)...
November 14, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29134568/%C3%AE-2-adrenergic-stimulation-of-dendritic-cells-favors-il-10-secretion-by-cd4-t-cells
#3
Julie Hervé, Karine Haurogné, Elodie Bacou, Sylvie Pogu, Marie Allard, Grégoire Mignot, Jean-Marie Bach, Blandine Lieubeau
Adrenergic receptor agonists and antagonists are extensively used as drugs in medicine for a broad spectrum of indications. We examined the consequences of β2-adrenergic stimulation of murine dendritic cells (DCs) on CD4(+) T cell activation. We demonstrated in vitro that treatment of LPS-matured DCs with the β2-agonist salbutamol reduced their ability to trigger OT-II T cell proliferation specific for ovalbumin antigen. Salbutamol also induced a decrease in MHC class II molecule expression by DC through Gi protein activation...
November 14, 2017: Immunologic Research
https://www.readbyqxmd.com/read/29125380/breathing-pattern-recordings-using-respiratory-inductive-plethysmography-before-and-after-a-physiotherapy-breathing-retraining-program-for-asthma-a-case-report
#4
Rokhsaneh Tehrany, Ruth DeVos, Anne Bruton
Breathing retraining (BR) improves symptoms, psychological well-being and quality of life in adults with asthma; but there remains uncertainty as to mechanism of effect. One of the intuitively logical theories is that BR works through altering breathing pattern. There is currently no evidence, however, that BR does result in measurable changes in breathing pattern. In this case report we describe the effects of physiotherapy BR on a 57-year-old female with a 10-year history of asthma. Data were collected before and after a physiotherapy BR program comprising three sessions over 18 weeks: breathing pattern (respiratory inductive plethysmography (RIP); physiology (end tidal carbon dioxide (ETCO2), heart rate, oxygen saturations, spirometric lung function); questionnaires (Asthma Control Questionnaire (ACQ), Hospital Anxiety and Depression Score, Nijmegen Questionnaire); and medication usage...
November 10, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29118959/congenital-myasthenic-syndrome-due-to-dok7-mutations-in-a-family-from-chile
#5
Jorge A Bevilacqua, Marian Lara, Jorge Díaz, Mario Campero, Jessica Vázquez, Ricardo A Maselli
Congenital myasthenic syndromes (CMS) are neuromuscular transmission disorders caused by mutations in genes encoding neuromuscular junction proteins. A 61-year-old female and her older sister showed bilateral ptosis, facial and proximal limb weakness, and scoliosis since childhood. Another female sibling had milder signs, while other family members were asymptomatic. Facial nerve repetitive stimulation in the proband showed decrement of muscle responses. Single fiber EMG revealed increased jitter and blocking...
June 27, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29117514/investigating-cascade-impactor-performance-using-a-modified-3d-printed-induction-port
#6
Kai Berkenfeld, Michael Bernauer, Jason T McConville, Alf Lamprecht
Based on a computer tomographic scan of a human trachea, a modified induction port (mIP), for use with the Next Generation Cascade Impactor, was manufactured using 3D printing technology. Standard United States Pharmacopoeia IP (USPIP) was compared to the mIP and a 3D printed version of the USPIP (USP3DIP) by analyzing different types of commercial salbutamol formulations for inhalation. Increased retention of particles in the mIP was found analyzing a pMDI formulation, leading to a decrease in the FPF from 28...
November 5, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29113981/acupressure-for-respiratory-allergic-diseases-a-systematic-review-of-randomised-controlled-trials
#7
Yaqun Liang, George Binh Lenon, Angela Wei Hong Yang
OBJECTIVE: To evaluate the effects and safety of acupressure for the management of respiratory allergic diseases by systematically reviewing randomised controlled trials (RCTs). METHODS: A total of 13 electronic English and Chinese databases were searched until July 2017. Two authors extracted data and evaluated risk of bias independently. Review Manager V.5.3 was employed for data analysis. RESULTS: The literature search identified 186 papers, of which only four of met the inclusion criteria: two for allergic rhinitis (AR) and two for asthma...
November 7, 2017: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/29100914/powder-flow-analysis-a-simple-method-to-indicate-the-ideal-amount-of-lactose-fines-in-dry-powder-inhaler-formulations
#8
Mats Hertel, Eugen Schwarz, Mirjam Kobler, Sabine Hauptstein, Hartwig Steckel, Regina Scherließ
Many efforts have been made in the past to understand the function of lactose fines which are given as a ternary component to carrier-based dry powder inhaler formulations. It is undisputed that fines can significantly improve the performance of such formulations, but choosing the right amount of fines is a crucial point, because too high concentrations can have negative effects on the dispersion performance. The aim of this study was to indicate the optimal concentration of fines with a simple test method...
October 31, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29072231/evaluation-of-drug-utilization-pattern-for-patients-of-bronchial-asthma-in-a-government-hospital-of-saudi-arabia
#9
M M Rafeeq, Has Murad
BACKGROUND: Bronchial asthma is a social and economic healthcare burden. Drug utilization studies are important tools to assess current prescription practices against standard guidelines and help in rationalizing the management. MATERIALS AND METHODS: This retrospective cross-sectional study was designed to evaluate the pattern of drug utilization in bronchial asthma patients in a government hospital of Saudi Arabia. Retrospective prescribing information of patients of all ages and both sexes diagnosed with bronchial asthma being treated with at least one of the anti-asthmatic medications was utilized...
September 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29054517/size-distribution-of-salbutamol-ipratropium-aerosols-produced-by-different-nebulizers-in-the-absence-and-presence-of-heat-and-humidification
#10
Ssu-Han Yang, Tsung-Ming Yang, Hui-Ling Lin, Ying-Huang Tsai, Tien-Pei Fang, Gwo-Hwa Wan
BACKGROUND: Few studies have evaluated the size distribution of inhaled and exhaled aerosolized drugs, or the effect of heated humidification on particle size and lung deposition. The present study evaluated these aspects of bronchodilator (salbutamol/ipratropium) delivery using a lung model in the absence and presence of heat and humidification. METHODS: We positioned filters to collect and measure the initial drug, inhaled drug, and exhaled drug. Particle size distribution was evaluated using an 8-stage Marple personal cascade impactor with 0...
October 17, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29053759/molecular-dynamic-simulations-reveal-suboptimal-binding-of-salbutamol-in-t164i-variant-of-%C3%AE-2-adrenergic-receptor
#11
Srinivas Bandaru, Mallika Alvala, Anuraj Nayarisseri, Saphy Sharda, Himshikha Goud, Hema Prasad Mundluru, Sanjeev Kumar Singh
The natural variant C491T (rs1800088) in ADRB2 gene substitutes Threonine to Isoleucine at 164th position in β2AR and results in receptor sequestration and altered binding of agonists. Present investigation pursues to identify the effect of T164I variation on function and structure of β2AR through systematic computational approaches. The study, in addition, addresses altered binding of salbutamol in T164I variant through molecular dynamic simulations. Methods involving changes in free energy, solvent accessibility surface area, root mean square deviations and analysis of binding cavity revealed structural perturbations in receptor to incur upon T164I substitution...
2017: PloS One
https://www.readbyqxmd.com/read/29047178/the-effect-of-montelukast-on-early-life-wheezing-a-randomized-double-blinded-placebo-controlled-study
#12
Ozlem Keskin, Ebru Arik Yilmaz, Christine Motzkus, Cansin Sackesen, Craig M Lilly, Omer Kalayci
BACKGROUND: Cysteinyl-leukotrienes are increased in the airways of infants with virus-associated wheezing. We aimed to determine the effects of a cysteinyl-leukotriene-1 receptor antagonist on symptoms during an early-life wheezing illness and to investigate the factors that affect the response to this drug. METHOD: This placebo-controlled double-blinded randomized controlled trial recruited children aged 3-36 months with wheezing illness and randomized to active drug or placebo for 56 days...
October 19, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29037303/prevalence-and-impact-of-asthma-among-school-aged-students-in-lima-peru
#13
M Martin, T Sauer, J A Alarcon, J Vinoles, E C Walter, T G Ton, J Zunt
SETTING AND OBJECTIVE: The International Study of Asthma and Allergies in Childhood (ISAAC) reported asthma prevalence in Peru to be among the highest in the world. We assessed the prevalence and morbidity of self-reported asthma in an underserved, peri-urban area of Lima, Peru, with limited medical access. DESIGN: The study was conducted in the outskirts of Lima from March to May 2011. Five hundred children aged 6-18 years were selected through cluster sampling...
November 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/29024795/are-valved-holding-chambers-vhcs-interchangeable-an-in-vitro-evaluation-of-vhc-equivalence
#14
Sanjeeva Dissanayake, Mark Nagel, Emanuela Falaschetti, Jason Suggett
INTRODUCTION: The European Medicines Agency (EMA) requires that a specific valved holding chamber (VHC) is designated for use with a given pressurised metered dose inhaler (pMDI). No other regulatory authorities impose similar requirements, implying that VHCs are interchangeable. This in vitro study, employing EMA assessment criteria, assessed the equivalence of four anti-static VHCs (aVHCs) versus the non-conducting VHC most widely referenced in pMDI monographs, the AeroChamber Plus™ (AC+) VHC...
October 9, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29022009/differential-pulse-voltammetric-determination-of-salbutamol-sulfate-in-syrup-pharmaceutical-formulation-using-poly-4-amino-3-hydroxynaphthalene-sulfonic-acid-modified-glassy-carbon-electrode
#15
Meareg Amare, Getahun Menkir
A new method for determination of salbutamol sulfate has been developed using poly(4-amino-3-hydroxynaphthalene sulfonic acid/GCE. Cyclic voltammetric investigation of the electrochemical behavior of salbutamol sulfate at the polymer modified glassy carbon unveiled electrocatalytic activity of the modifier towards irreversible oxidation of salbutamol sulfate. Dependence of peak current predominantly on scan rate than on square root of scan rate, and peak potential shift with pH demonstrated that oxidation of salbutamol sulfate at the polymer modified electrode follows adsorption reaction kinetics with proton participation...
October 2017: Heliyon
https://www.readbyqxmd.com/read/29016991/case-report-of-asthma-associated-with-3d-printing
#16
R House, N Rajaram, S M Tarlo
Background: Three-dimensional (3D) printing is being increasingly used in manufacturing and by small business entrepreneurs and home hobbyists. Exposure to airborne emissions during 3D printing raises the issue of whether there may be adverse health effects associated with these emissions. Aims: We present a case of a worker who developed asthma while using 3D printers, which illustrates that respiratory problems may be associated with 3D printer emissions. Case report: The patient was a 28-year-old self-employed businessman with a past history of asthma in childhood, which had resolved completely by the age of eight...
August 23, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28988472/quantitative-determination-of-bulk-molecular-concentrations-of-%C3%AE-agonists-in-pork-tissue-samples-by-direct-internal-extractive-electrospray-ionization-mass-spectrometry
#17
Jiaquan Xu, Shengrui Xu, Yipo Xiao, Konstantin Chingin, Haiyan Lu, Runhan Yan, Huanwen Chen
Rapid quantitative determination of bulk molecular concentration in solid samples without sample pretreatment is demonstrated using the internal extractive electrospray ionization-mass spectrometry (iEESI-MS) analysis of six β-agonists, including salbutamol (Sal), clenbuterol (Cle), ractopamine (Rac), terbutaline (Ter), tulobuterol (Tul), brombuterol (Bro), in pork tissue samples. Single sample analysis only required 1 min. The linear range of detection was about 0.01-1000 μg/kg (R(2) > 0.9994). The limit-of-detection (LOD) varied from 0...
November 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28986203/inhaled-nebulised-unfractionated-heparin-improves-lung-function-in-moderate-to-very-severe-copd-a-pilot-study
#18
Janis K Shute, Luigino Calzetta, Vittorio Cardaci, Stefania di Toro, Clive P Page, Mario Cazzola
BACKGROUND: COPD is an inflammatory airway disease characterised by progressive airflow limitation and air trapping, leading to lung hyperinflation and exercise limitation. Acute worsening of symptoms, including dyspnea, cough and sputum production, occurs during exacerbations which are associated with significantly reduced health related quality of life, and increased morbidity and mortality. Chronic bronchial mucus production and productive cough are risk factors for exacerbations. Medicines targeting bronchoconstriction and airway inflammation are the current mainstays of COPD therapy...
October 3, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28986194/dry-powder-coated-osmotic-drug-delivery-system
#19
Qingliang Yang, Yingliang Ma, Jesse Zhu
Dry powder coated osmotic drug delivery system (ODDS) were prepared and characterized using an innovative powder coating technology. Coating powder adhesion to the surface of the ODDS core was firstly performed through an electrostatic spray gun, followed by a curing step to allow those electrically deposited particles coalesce and form a continuous, uniform and strong coating film, which is the semipermeable membrane of the ODDS. Triethyl citrate (TEC) was found to be a better liquid plasticizer than PEG 400 both in reducing the glass transition temperature of the coating polymer (cellulose acetate) and in increasing the electrical conductivity of the ODDS cores, both of which led to an enhanced coating powder adhesion and film formation...
October 3, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28977466/determination-of-salbutamol-residues-in-goat-various-tissues-after-exposure-to-growth-promoting-doses
#20
Yujuan Yang, Xu Gu, Yingchao Dong, Junguo Li, Haiqiu Ni, Moyong Xue, Zhen Zhao, Zhiwei Sun, Yuchang Qin
In order to monitor salbutamol (SAL) use in goats as a repartitioning, we determined SAL residues in various tissues of goats after repeated oral SAL administration at a dose of 0.15 mg/kg daily for 21 days. SAL concentrations were measured by ultra performance liquid chromatography tandem mass spectrometry in extracts of tissues from goats sacrificed 0.25, 1, 3, 7, 14, 21 and 28 days after the last dose. Our results showed that on Day 0.25 of the withdrawal period, the residual proportions of SAL (expressed as percentage) in liver, kidney, lung, hair, stomachs and muscle were 19...
September 4, 2017: Journal of Analytical Toxicology
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