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Salbutamol

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https://www.readbyqxmd.com/read/28529073/real-life-acute-lung-function-changes-after-lumacaftor-ivacaftor-first-administration-in-pediatric-patients-with-cystic-fibrosis
#1
Aurélie Labaste, Camille Ohlmann, Catherine Mainguy, Virginie Jubin, Marie Perceval, Laurianne Coutier, Philippe Reix
The combination of lumacaftor and ivacaftor (LUM/IVA) has been reported to induce a mean acute absolute drop of -4.1% predicted forced expiratory volume in 1s (FEV1) after a unique administration in healthy subjects. The aim of the present study was to assess acute FEV1 changes after the first dose of LUM/IVA in CF patients. A total of 32 pediatric patients were included. Respiratory manifestations occurred in only 3 patients (9.4%), but FEV1 consistently decreased (-10.4±4.6%, range: -1.5; -21.8%). FEV1 only partially resumed after salbutamol inhalation...
May 18, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/28528945/the-chemical-profile-and-pharmacodynamic-properties-of-extracellular-wollea-saccata-biopolymer
#2
Martina Šutovská, Michaela Kočmálová, Lenka Pappová, Soňa Fraňová, Andrej Chyba, Jiří Kopecký, Jaromír Lukavský, Vladislav Cepák, Peter Capek
Microalgae organisms are of interest for many biotechnology applications due to the production of a wide range of biologically active compounds. Incubation of W. saccata in a large scale afforded a mucilaginous, high molecular weight biopolymer composed of carbohydrate, protein and phenolic compounds. Sugar moiety was rich in hexoses (60%) and 6-deoxyhexoses (31%), while only 9% of pentoses was identified. Methylation analysis revealed about 40 types of methylated sugar derivatives, suggesting a very complex structure of Wollea biopolymer...
May 18, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28525334/influence-of-%C3%AE-2-and-%C3%AE-3-adrenoceptor-agonists-on-contractile-activity-of-the-porcine-myometrium-in-the-luteal-phase-and-the-first-days-of-pregnancy
#3
W Markiewicz, J J Jaroszewski
This study analysed the relaxant properties of salbutamol (β2-adrenoceptors agonist) and BRL 37344 (β3-adrenoceptors agonist) regarding the contractility of porcine myometrium on days 10-14 of the oestrous cycle (cyclic group; n = 10) and on days 3-5 of pregnancy (early pregnant group; n = 6). The activity of myometrial strips (tension, frequency and amplitude) was recorded under isometric conditions using force transducers. The contractility was assessed further following the administration of increasing concentrations of the agonists (10-9-10-4 M), both with and without β-adrenoceptor antagonists (butaxamine - a selective β2- adrenoceptor antagonist, propranolol- a non-selective β1- and β2-adrenoceptor antagonist and bupranolol - a non-selective β1-, β2- and β3-adrenoceptor antagonist) at a concentration of 10-4 M...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28510800/structural-modulation-of-gut-microbiota-in-bama-minipigs-in-response-to-treatment-with-a-growth-promoting-agent-salbutamol
#4
Chenyang Lu, Jun Zhou, Yanyan Li, Dijun Zhang, Zuzhong Wang, Ye Li, Lingzhi Cheong, Chundan Zhang, Xiurong Su
Even though salbutamol (SAL) had remarkable effects on the enhancement of growth rate and carcass composition in different livestock species such as cattle, pigs, sheep and poultry, it was banned as a growth promoter because of its adverse effects on health. However, the specific mechanism by which salbutamol enhances growth efficiency remains unknown. In this study, Bama pigs were randomly allocated to receive salbutamol (5 mg/kg) for 30 or 60 days and were compared with untreated pigs. Pigs treated with salbutamol demonstrated enhanced growth rates and carcass composition; however, they showed deterioration in blood biochemical indices and organ development...
May 16, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28502414/acute-bronchodilator-responses-to-%C3%AE-2-agonist-and-anticholinergic-agent-in-copd-their-different-associations-with-exacerbation
#5
Satoshi Konno, Hironi Makita, Masaru Suzuki, Kaoruko Shimizu, Hirokazu Kimura, Hiroki Kimura, Masaharu Nishimura
BACKGROUND: Acute bronchodilator response (BDR) is a potential phenotypic characteristic of COPD. However, the clinical factors associated with BDR in patients with COPD remain unclear, particularly for BDR to anticholinergic agents. OBJECTIVES: We aimed to clarify the clinical factors associated with BDR to β2-agonist and/or anticholinergic agent, considering time-associated variations of BDR. We also evaluated the association between BDR and clinical course of COPD...
June 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28498778/seasonal-ambient-particulate-matter-and-population-health-outcomes-among-communities-impacted-by-road-dust-in-british-columbia-canada
#6
Kris Y Hong, Gavin H King, Arvind Saraswat, Sarah B Henderson
In recent years, many air quality monitoring programs have favoured measurement of particles less than 2.5 microns (PM2.5) over particles less than 10 microns (PM10) in light of evidence that health impacts are mostly from the fine fraction. However, the coarse fraction (PM10-2.5) may have independent health impacts that support continued measurement of PM10 in some areas, such as those affected by road dust. The objective of this study was to evaluate the associations between different measures of daily PM exposure and two daily indicators of population health in seven communities in British Columbia, Canada, where road dust is an ongoing concern...
May 12, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28496190/beta-agonist-overuse-and-delay-in-obtaining-medical-review-in-high-risk-asthma-a-secondary-analysis-of-data-from-a-randomised-controlled-trial
#7
Janine Pilcher, Mitesh Patel, Alison Pritchard, Darmiga Thayabaran, Stefan Ebmeier, Dominick Shaw, Peter Black, Irene Braithwaite, Mark Weatherall, Richard Beasley
Asthma mortality surveys report delays in seeking medical review and overuse of beta-agonist therapy as factors contributing to a fatal outcome. However, the strength of these associations is limited because many asthma deaths are unwitnessed. We undertook a secondary analysis of data from a 24-week randomised controlled trial of 303 patients with high-risk asthma, randomised to combination budesonide/formoterol inhaler according to a single maintenance and reliever therapy regimen or fixed dose budesonide/formoterol with salbutamol as reliever (Standard) regimen...
May 11, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28486753/small-airway-function-before-and-after-cold-dry-air-challenge-in-pediatric-asthma-patients-during-remission
#8
Michael Steinbacher, Andreas Pfleger, Gerold Schwantzer, Stefanie Jauk, Elisabeth Weinhandl, Ernst Eber
BACKGROUND: We wanted to compare cold dry air challenge (CACh) induced changes in spirometric parameters with changes in nitrogen multiple breath washout (N2 MBW) parameters in pediatric asthma patients during clinical remission over the past year (ie, with "inactive asthma"). As N2 MBW assesses ventilation heterogeneity we expected to gain detailed information about peripheral airways contribution. METHODS: In subjects with normal spirometry N2 MBW, spirometry and body plethysmography were performed at baseline, after CACh, and after salbutamol inhalation...
May 9, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28480166/albuterol-as-an-adjunctive-treatment-to-enzyme-replacement-therapy-in-infantile-onset-pompe-disease
#9
Yin-Hsiu Chien, Wuh-Liang Hwu, Ni-Chung Lee, Fuu-Jen Tsai, Dwight D Koeberl, Wen-Hui Tsai, Pao-Chin Chiu, Chaw-Liang Chang
BACKGROUND: Early initiation of enzyme replacement therapy (ERT) with recombinant human acid alpha-glucosidase is an effective treatment for patients with infantile-onset Pompe disease (IOPD) but cannot prevent a slow progression of myopathy. Albuterol has been shown to be helpful in adult patients with Pompe disease, and therefore, we administered an open-label adjunctive therapy with albuterol in IOPD patients undergoing ERT. METHODS: Fourteen patients, aged 2 to 12 years, were enrolled in this study; all of them had a disease onset before 12 months of life, and 13 of them were ambulatory because of early initiation of ERT...
June 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28479348/large-porous-particles-for-respiratory-drug-delivery-glycine-based-formulations
#10
A G Ogienko, E G Bogdanova, N A Trofimov, S A Myz, A A Ogienko, B A Kolesov, A S Yunoshev, N V Zubikov, E V Boldyreva, A Yu Manakov, V V Boldyrev
Large porous particles are becoming increasingly popular as carriers for pulmonary drug delivery with both local and systemic applications. These particles have high geometric diameters (5-30μm) but low bulk density (~0.1g/cm(3) or less) such that the aerodynamic diameter remains low (1-5μm). In this study salbutamol and budesonide serve as model inhalable drugs with poor water solubility. A novel method is proposed for the production of dry powder inhaler formulations with enhanced aerosol performance (e...
May 4, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28476075/drugs-for-discoid-lupus-erythematosus
#11
REVIEW
Sue Jessop, David A Whitelaw, Matthew J Grainge, Prativa Jayasekera
BACKGROUND: Discoid lupus erythematosus (DLE) is a chronic form of cutaneous lupus, which can cause scarring. Many drugs have been used to treat this disease and some (such as thalidomide, cyclophosphamide and azathioprine) are potentially toxic. This is an update of a Cochrane Review first published in 2000, and previously updated in 2009. We wanted to update the review to assess whether any new information was available to treat DLE, as we were still unsure of the effectiveness of available drugs and how to select the most appropriate treatment for an individual with DLE...
May 5, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28471738/regional-ventilation-changes-in-the-lung-treatment-response-mapping-by-using-hyperpolarized-gas-mr-imaging-as-a-quantitative-biomarker
#12
Felix C Horn, Helen Marshall, Guilhem J Collier, Richard Kay, Salman Siddiqui, Christopher E Brightling, Juan Parra-Robles, Jim M Wild
Purpose To assess the magnitude of regional response to respiratory therapeutic agents in the lungs by using treatment response mapping (TRM) with hyperpolarized gas magnetic resonance (MR) imaging. TRM was used to quantify regional physiologic response in adults with asthma who underwent a bronchodilator challenge. Materials and Methods This study was approved by the national research ethics committee and was performed with informed consent. Imaging was performed in 20 adult patients with asthma by using hyperpolarized helium 3 ((3)He) ventilation MR imaging...
May 4, 2017: Radiology
https://www.readbyqxmd.com/read/28471693/evidence-of-pneumoconstriction-in-asthmatics
#13
Plamen Bokov, Christophe Delclaux
INTRODUCTION: In asthma, bronchial smooth muscle contraction is responsible for the obstructive ventilatory defect that may be relieved by the administration of bronchodilators. It has been observed that deep inspiration causes dilation of the airways in both asthmatic and nonasthmatic subjects. Pneumoconstriction is a rare manifestation of the contractile cells present in the perialveolar space leading to a restrictive defect in asthmatics. CASE STUDY: We present the lung function tests of two asthmatic patients (a boy and a woman) depicting a restrictive defect (pneumoconstriction) that disappeared after salbutamol administration while no improvement was noted in the spirometric data...
May 4, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28462830/a-systematic-review-of-the-impact-of-nurse-initiated-medications-in-the-emergency-department
#14
REVIEW
C J Cabilan, Mary Boyde
BACKGROUND: Nurse-initiated medications are one of the most important strategies used to facilitate timely care for people who present to Emergency Departments (EDs). The purpose of this paper was to systematically review the evidence of nurse-initiated medications to guide future practice and research. METHODS: A systematic review of the literature was conducted to locate published studies and Grey literature. All studies were assessed independently by two independent reviewers for relevance using titles and abstracts, eligibility dictated by the inclusion criteria, and methodological quality...
April 24, 2017: Australasian Emergency Nursing Journal: AENJ
https://www.readbyqxmd.com/read/28453604/modelling-seasonal-and-spatio-temporal-variation-in-respiratory-prescribing
#15
Eleni Sofianopoulou, Tanja Pless-Mulloli, Stephen Rushton, Peter J Diggle
Many measures of chronic diseases including respiratory disease exhibit seasonal variation together with residual correlation between consecutive time-periods and neighboring areas. We demonstrate a modern strategy for modelling data that exhibit both seasonal trend and spatio-temporal correlation, through an application to respiratory prescribing. We analyzed 55 months (2002-2006) of prescribing data, in the northeast of England, UK. We estimated the seasonal pattern of prescribing by fitting a dynamic harmonic regression (DHR) model to salbutamol prescribing in relation to temperature...
April 27, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28431781/clenbuterol-hydrochloride
#16
Abdulrahman A Al-Majed, Nasr Y Khalil, Ibraheem Khbrani, Hatem A Abdel-Aziz
Clenbuterol (Broncodil and trade) is a direct-acting sympathomimetic agent with mainly beta-adrenergic activity and a selective action on β2 receptors (a β2 agonist). It has properties similar to those of salbutamol. It is used as a bronchodilator in the management of reversible airways obstruction, as in asthma and in certain patients with chronic obstructive pulmonary disease. The uses, applications, and the synthetic pathways of this drug are outlined. Physical characteristics including: ionization constant, solubility, X-ray powder diffraction pattern, thermal methods of analysis, UV spectrum, IR spectrum, mass spectrum are all produced...
2017: Profiles of Drug Substances, Excipients, and related Methodology
https://www.readbyqxmd.com/read/28431453/carboxymethyl-%C3%AE-cyclodextrin-as-chiral-selector-in-capillary-electrophoresis-enantioseparation-of-16-basic-chiral-drugs-and-its-chiral-recognition-mechanism-associated-with-drugs-structural-features
#17
Linlin Fang, Yueying Du, Xiaoyu Hu, Linda Luo, Xin Guo, Xingjie Guo, Jia Yu
Herein we present the enantioseparation of 10 cardiovascular agents and 6 bronchiectasis drugs including propranolol, carteolol, metoprolol, atenolol, pindolol, esmolol, bisoprolol, bevantolol, arotinolol, sotalol, clenbuterol, procaterol, bambuterol, tranterol, salbutamol and terbutaline sulfate using carboxymethyl-β-cyclodextrin (CM-β-CD) as chiral selector. To our knowledge, there is no literature about using CM-β-CD for separating carteolol, esmolol, bisoprolol, bevantolol, arotinolol, procaterol, bambuterol and tranterol...
April 21, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28412680/study-on-effect-of-combivent-combined-with-glucocorticoids-in-the-treatment-of-patients-with-aecopd
#18
Xin Zhao, Hongling Wang, Dalu Song, Yanwei Wang, Hong Yu, Shuhong Yu
We observed the effect of Combivent combined with glucocorticoids in the treatment of patients with AECOPD to explore a better drug treatment for AECOPD. The clinical observation of two clinical curative effective was carried out. Firstly, 100 patients were equally divided into treatment group and control group, who were given basic treatment. The control group was treated with inhalation of salbutamol sulfate and the other was with inhalation of Combivent and glucocorticoid. The clinical effect, dyspnea score, PaO2, PaCO2 and pulmonary function index were observed and compared...
November 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28410672/effects-of-sedation-and-salbutamol-administration-on-hyperpnoea-and-tidal-breathing-spirometry-in-healthy-horses
#19
S L Raidal, K Burnheim, D Evans, K J Hughes
Sedation is often required to perform pulmonary function testing (PFT) in horses, but drug effects may influence respiratory function. The current study was designed to characterise the effects of sedation and bronchodilator administration on absolute and relative indices of pulmonary function during eupnoeic respiration and carbon dioxide-induced hyperpnoea (rebreathing) in healthy horses using a pneumotachographic spirometry system. Sedation with acetylpromazine (ACP), xylazine, or both drugs in combination was associated with significant reductions in respiratory frequency, minute ventilation and peak airflows during eupnoeic respiration...
April 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28402017/asthma-education-for-school-staff
#20
REVIEW
Kayleigh M Kew, Robin Carr, Tim Donovan, Morris Gordon
BACKGROUND: Teachers and school staff should be competent in managing asthma in schools. Demonstrated low levels of asthma knowledge mean that staff may not know how best to protect a child with asthma in their care, or may fail to take appropriate action in the event of a serious attack. Education about asthma could help to improve this knowledge and lead to better asthma outcomes for children. OBJECTIVES: To assess the effectiveness and safety of asthma education programmes for school staff, and to identify content and attributes underpinning them...
April 12, 2017: Cochrane Database of Systematic Reviews
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