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Inhaled beta agonists

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https://www.readbyqxmd.com/read/29785128/methacholine-challenge-testing-comparative-pharmacology
#1
REVIEW
Beth E Davis, Christianne M Blais, Donald W Cockcroft
Standardization of the methacholine inhalation challenge, the most common direct bronchoprovocation test, is important. One aspect of standardization is the appropriate washout period for pharmacologic agents which affect the response. This review summarizes the available data on pharmacologic inhibition of the methacholine response. Specific (anti-muscarinic) agents demonstrate marked bronchoprotection (up to 7 days for the long-acting drugs) which lasts longer than the duration of bronchodilation. The functional antagonist (beta 2 agonist class of medications) shows marked, but less, bronchoprotection which is relatively short lived and is similar to the duration of bronchodilator efficacy...
2018: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/29777633/hypertrophic-effect-of-inhaled-beta-2-agonist-with-and-without-concurrent-exercise-training-a-randomized-controlled-trial
#2
Søren Jessen, Johan Onslev, Anders Lemminger, Vibeke Backer, Jens Bangsbo, Morten Hostrup
INTRODUCTION: Due to a high prevalence of asthma and exercise-induced bronchoconstriction in elite athletes, there is a high use of beta2 -adrenoceptor agonists (beta2 -agonists) in the athletic population. While anabolic in rodents, no study has been able to detect hypertrophy in humans after chronic beta2 -agonist inhalation. METHODS: We investigated if inhaled beta2 -agonist, terbutaline, alters body composition and metabolic rate with and without concurrent exercise training in healthy young men...
May 19, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29766326/the-change-in-management-of-bronchiolitis-in-the-intensive-care-unit-between-2000-and-2015
#3
Minna Mecklin, Paula Heikkilä, Matti Korppi
This case-control study evaluated interventions for bronchiolitis in relation to time in the pediatric intensive care unit (PICU) during a 16-year surveillance period. Together, 105 infants aged < 12 months were treated for bronchiolitis in the PICU, and for them, we selected 210 controls admitted for bronchiolitis closest to cases. We collected data on treatments in the PICU, at the ward and in the emergency department for three periods: years 2000-2005, 2006-2010, and 2011-2015. Median hospital length of stay for PICU patients were 7 days (interquartile range 5-12), 5 days (4-8) and 8 days (4-12...
May 15, 2018: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29754324/cost-utility-analysis-of-an-intervention-designed-to-reduce-the-critical-handling-error-of-insufficient-inspiratory-effort
#4
Rebecca Forster, Aran Ratcliffe, Megan Lewis, Amy Crossley, Julio López Bastida, William C N Dunlop
OBJECTIVES: Up to 70-80% of patients use inhalers incorrectly. Dry-powder inhalers (DPIs) require forceful inhalation for optimal delivery, and approximately 40% of Global Initiative for Asthma (GINA)-defined Step-3+ patients inhale corticosteroid and long-acting beta-agonist through DPIs. The CRITIKAL study (Price et al. in J Allergy Clin Immunol Pract 5:1071-e9-1081-e9, 2017) found a statistically significant association between 'insufficient inspiratory effort' error and increased risk of uncontrolled asthma and hospitalisation-requiring exacerbations...
May 12, 2018: European Journal of Health Economics: HEPAC: Health Economics in Prevention and Care
https://www.readbyqxmd.com/read/29724395/asthma-control-in-adults-in-the-middle-east-and-north-africa-results-from-the-esmaa-study
#5
Hesham Tarraf, Hamdan Al-Jahdali, Abdul Hameed Al Qaseer, Anamarija Gjurovic, Houria Haouichat, Basheer Khassawneh, Bassam Mahboub, Roozbeh Naghshin, François Montestruc, Naser Behbehani
BACKGROUND: Low levels of asthma control are reported in many countries worldwide. Improved knowledge of asthma control in the Middle East and Africa and predictive factors is needed to address this major public healthcare burden. OBJECTIVE: To assess the level of asthma control in patients attending a routine consultation for asthma in the Middle East and North Africa, and the relationship between level of control and patient and disease characteristics, adherence, and quality of life (QoL)...
May 2018: Respiratory Medicine
https://www.readbyqxmd.com/read/29705783/combination-therapy-of-inhaled-indacaterol-glycopyrronium-for-chronic-obstructive-pulmonary-disease-in-the-very-elderly-is-it-safe-an-electrocardiographic-evaluation
#6
Francesco Spannella, Federico Giulietti, Valentina Cesari, Antonio Francioso, Guido Cocci, Laura Landi, Francesca Elena Lombardi, Elisabetta Borioni, Beatrice Bernardi, Giulia Rosettani, Valentina Bordoni, Corrado Iacoacci, Piero Giordano, Riccardo Sarzani
Cardiovascular (CV) comorbidities in patients with chronic obstructive pulmonary disease (COPD) are associated with increased morbidity and mortality, especially in old and very old subjects. The question if long-acting beta-agonist and long-acting muscarinic antagonist could be associated with the increased prevalence of CV-related adverse effects has puzzled, particularly in the past, specialists involved in the management of respiratory diseases. The safety of these compounds has scarcely been tested in patients aged ≥ 65 years with CV comorbidities, since randomized controlled trials rarely include this subpopulation...
2018: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/29694289/economic-burden-associated-with-receiving-inhaled-corticosteroids-with-leukotriene-receptor-antagonists-or-long-acting-beta-agonists-as-combination-therapy-in-older-adults
#7
Shoroq M Altawalbeh, Carolyn T Thorpe, Janice C Zgibor, Sandra Kane-Gill, Yihuang Kang, Joshua M Thorpe
BACKGROUND: There is a paucity of literature on the health care expenditures associated with different pharmacologic treatments in older adults with asthma that is not well controlled on inhaled corticosteroids (ICS). OBJECTIVE: To compare asthma-related and all-cause health care expenditures associated with leukotriene receptor antagonists (LTRA) versus long-acting beta agonists (LABA) when added to ICS in older adults with asthma. METHODS: A retrospective cohort was constructed using 2009-2010 Medicare fee-for-service medical and pharmacy claims from a 10% random sample of beneficiaries continuously enrolled in Parts A, B, and D in 2009...
May 2018: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/29670675/adrb2-arg16gly-polymorphism-and-pulmonary-function-response-of-inhaled-corticosteroids-plus-long-acting-beta-agonists-for-asthma-treatment-a-systematic-review-and-meta-analysis
#8
REVIEW
Xi Wang, Qian Li, Ruming Liu, Jin He, Di Wu, Yun Wang, Jun Zhang
Background: The beta-2 adrenergic receptor (ADRB2) Arg16Gly polymorphism may alter the bronchodilation response to long-acting beta2-agonists, thereby influencing the clinical effectiveness of LABAs plus corticosteroids (ICS) treatment. But the results of individual studies are inconclusive. Methods: A systematic search was conducted in PubMed, Embase, the Cochrane Database, WHO International Clinical Trials Registry Platform, Chinese National Knowledge Infrastructure, Wanfang, Chinese BioMedical Literature Database, and VIP databases...
2018: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/29662064/the-use-of-electronic-alerts-in-primary-care-computer-systems-to-identify-the-excessive-prescription-of-short-acting-beta-2-agonists-for-people-with-asthma-a-systematic-review
#9
REVIEW
Shauna McKibben, Anna De Simoni, Andy Bush, Mike Thomas, Chris Griffiths
Computers are increasingly used to improve prescribing decisions in the management of long-term conditions however the effects on asthma prescribing remain unclear. We aimed to synthesise the evidence for the use of computerised alerts that identify excessive prescribing of short-acting beta2 -agonists (SABAs) to improve asthma management for people with asthma. MEDLINE, CINAHL, Embase, Cochrane and Scopus databases (1990-2016) were searched for randomised controlled trials using electronic alerts to identify excessive prescribing of SABAs for people with asthma in primary care...
April 16, 2018: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/29657376/smoke-inhalation-injury-etiopathogenesis-diagnosis-and-management
#10
REVIEW
Kapil Gupta, Mayank Mehrotra, Parul Kumar, Anoop Raj Gogia, Arun Prasad, Joseph Arnold Fisher
Smoke inhalation injury is a major determinant of morbidity and mortality in fire victims. It is a complex multifaceted injury affecting initially the airway; however, in short time, it can become a complex life-threatening systemic disease affecting every organ in the body. In this review, we provide a summary of the underlying pathophysiology of organ dysfunction and provide an up-to-date survey of the various critical care modalities that have been found beneficial in caring for these patients. Major pathophysiological change is development of edema in the respiratory tract...
March 2018: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/29653218/comparing-ran-out-status-of-inhaled-short-acting-beta-agonists-in-emergency-department-patients-with-acute-asthma-1996-1998-versus-2015-2017
#11
Tadahiro Goto, Carlos A Camargo, Catalina Gimenez-Zapiola, Daniel J Pallin, Nathan I Shapiro, Thomas J Ferro, Carolyn Rainville, Stanislav Stoyanov, Kohei Hasegawa
BACKGROUND: Medication non-adherence including running out of inhaled asthma medications, is an important problem. OBJECTIVE: To examine the changes in the proportion of adults with acute asthma who ran out of their short-acting beta-agonist (SABA) inhalers before presenting to the emergency department (ED) between 1996-1998 and 2015-2017. METHODS: We analyzed data from prospective multicenter observational cohort studies of ED adult patients (aged 18-54 years) with acute asthma...
April 10, 2018: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29611863/-when-and-how-to-step-down-asthma-treatment
#12
Lars Ahlbeck, Björn Stridh, Björn Ställberg, Hampus Kiotseridis, Christer Janson, Kerstin Romberg
Swedish asthma guidelines recommend treating asthma with the lowest effective dose possible. These recommendations are both hard to follow and seldom considered enough in asthma care today. As an example, combination therapy with inhaled corticosteroids (ICS) and long acting beta agonists (LABA) should only be considered if asthma control is not achieved with low to medium dose ICS daily. However, the Swedish National Board of Health and Welfare estimates that 120 000 asthma patients are overmedicated with combination therapy...
March 27, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29605624/tiotropium-and-olodaterol-in-the-prevention-of-chronic-obstructive-pulmonary-disease-exacerbations-dynagito-a-double-blind-randomised-parallel-group-active-controlled-trial
#13
Peter M A Calverley, Antonio R Anzueto, Kerstine Carter, Lars Grönke, Christoph Hallmann, Christine Jenkins, Jadwiga Wedzicha, Klaus F Rabe
BACKGROUND: Combinations of long-acting bronchodilators are recommended to reduce the rate of chronic obstructive pulmonary disease (COPD) exacerbations. It is unclear whether combining olodaterol, a long-acting beta-agonist, with tiotropium, a long-acting anti-muscarinic, reduces the rate of exacerbations compared with tiotropium alone. METHODS: This 52-week, double-blind, randomised, parallel-group, active-controlled trial randomly assigned (1:1) patients with COPD with a history of exacerbations using a randomised block design to receive tiotropium-olodaterol 5 μg-5 μg or tiotropium 5 μg once daily...
March 28, 2018: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29587693/a-case-of-allergic-bronchopulmonary-aspergillosis-successfully-treated-with-mepolizumab
#14
Takeshi Terashima, Taro Shinozaki, Eri Iwami, Takahiro Nakajima, Tatsu Matsuzaki
BACKGROUND: Allergic bronchopulmonary aspergillosis (ABPA) is an allergic pulmonary disease comprising a complex hypersensitivity reaction to Aspergillus fumigatus. Clinical features of ABPA are wheezing, mucoid impaction, and pulmonary infiltrates. Oral corticosteroids and anti-fungal agents are standard therapy for ABPA, but long-term use of systemic corticosteroids often causes serious side effects. CASE PRESENTATION: A 64-year-old woman was diagnosed with ABPA based on a history of bronchial asthma (from 40 years of age), elevated total IgE, the presence of serum precipitating antibodies and elevated specific IgE antibody to A...
March 27, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29553450/management-of-chronic-obstructive-pulmonary-disease-exacerbations-at-the-nasser-medical-complex-a-clinical-audit
#15
Maha Al-Faqawi, Yousef Abuowda, Alaa Eldeen Elmassry, Bettina Böttcher
BACKGROUND: The frequency and severity of chronic obstructive pulmonary disease (COPD) exacerbations are the most important determinants of prognosis in COPD. The aim of this study was to assess the management of patients presenting with COPD exacerbations at the Nasser Medical Complex in the Gaza Strip and to compare the management with the Global Initiative for Chronic Obstructive Lung Disease guidelines (GOLD 2015). METHODS: We reviewed the medical records of all patients admitted to Nasser Medical Complex and diagnosed with COPD exacerbation between Jan 1, 2014, and Dec 31, 2016...
February 21, 2018: Lancet
https://www.readbyqxmd.com/read/29549687/role-of-inhaled-corticosteroids-in-the-exacerbation-rate-of-moderate-chronic-obstructive-pulmonary-disease
#16
Maida Rakanović Todić, Sanita Maleškić, Lejla Burnazović Ristić, Aida Kulo Ćesić, Jasna Kusturica, Besim Prnjavorac
Aim To analyse frequency of chronic obstructive pulmonary disease (COPD) exacerbation in patients on therapy with inhaled corticosteroids (ICS) and relevant factors that influence the rate of COPD exacerbations in a subgroup of moderate illness, like FEV1, comorbidities and other concomitant therapy. Methods The study included patients with moderate COPD with at least 10 pack-years history of smoking and accompanying cardiovascular comorbidity. Demographic data, frequency of exacerbations and information about proscribed treatments - ICS alone or in combination with long acting beta agonist (LABA), were collected from medical records for the previous 12 months from the index date...
February 1, 2018: Medicinski Glasnik
https://www.readbyqxmd.com/read/29548318/clinical-and-economic-impact-of-a-one-year-treatment-with-omalizumab-in-patients-with-severe-allergic-asthma-within-a-drug-programme-in-poland
#17
Karina Jahnz-Różyk, Joanna Lis, Marta Warchoł, Aleksandra Kucharczyk
BACKGROUND: Allergic asthma is the most prevalent phenotype of severe asthma where treatment with omalizumab (OMB) has been proven to be particularly beneficial. In Poland, OMB therapy is available and reimbursed within a drug programme where strict inclusion and exclusion criteria are defined. The objective of this study was to present a descriptive analysis regarding the trends in outcomes (clinical, quality of life, costs) among a cohort of patients who satisfy inclusion criteria for the initiation of OMB treatment and who successfully responded to OMB according to a set of objective criteria...
March 16, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29535158/association-of-ambient-pollution-with-inhaler-use-among-patients-with-copd-a-panel-study
#18
Sheryl Magzamen, Assaf P Oron, Emily R Locke, Vincent S Fan
BACKGROUND: Studies have linked ambient air pollution to chronic obstructive pulmonary disease (COPD) healthcare encounters. However, the association between air quality and rescue medication use is unknown. OBJECTIVES: We assessed the role of air pollution exposure for increased short-acting beta-2-agonist (SABA) use in patients with COPD through use of remote monitoring technology. METHODS: Participants received a portable electronic inhaler sensor to record the date, time and location for SABA use over a 3-month period...
May 2018: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29524536/managing-asthma-in-pregnancy-map-trial-feno-levels-and-childhood-asthma
#19
Matthew Morten, Adam Collison, Vanessa E Murphy, Daniel Barker, Christopher Oldmeadow, John Attia, Joseph Meredith, Heather Powell, Paul D Robinson, Peter D Sly, Peter G Gibson, Joerg Mattes
BACKGROUND: The single-center double-blind, randomized controlled Managing Asthma in Pregnancy (MAP) trial in Newcastle, Australia, compared a treatment algorithm using the fraction of exhaled nitric oxide (FENO) in combination with asthma symptoms (FENO group) against a treatment algorithm using clinical symptoms only (clinical group) in pregnant asthmatic women (Australian New Zealand Clinical Trials Registry, no. 12607000561482). The primary outcome was a 50% reduction in asthma exacerbations during pregnancy in the FENO group...
March 8, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29504963/asthmatic-exacerbation-as-a-cause-of-false-positive-whole-body-iodine-scan-in-a-patient-with-treated-papillary-thyroid-carcinoma
#20
Guillaume Chaussé, Tina Kader, Gad Abikhzer, Stephan Probst
A 44-year-old woman was found to have new diffuse lung uptake on a follow-up whole-body I scan 1 year after being treated with surgery and radioactive iodine for papillary thyroid cancer. However, subsequent CT thorax and thyroglobulin levels were both unremarkable. Shortly after, she presented with respiratory symptoms, exhibiting end-expiratory wheezing on auscultation. Metacholine challenge test confirmed asthma. Symptoms improved under inhaled corticosteroids and beta-2 agonists. Resolution of lung uptake was confirmed on a second I imaging 6 months later...
April 2018: Clinical Nuclear Medicine
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