Asthma

Introduction: Electronic nicotine delivery systems (ENDS) use is on the rise in the adolescent and young adult populations, especially in the wake of sweet flavored ENDS solutions and youth-targeted marketing. While the extent of effect of ENDS use and aerosolized flavorings on airway epithelium is not known, there remains significant concern that use of ENDS adversely affects airway epithelial function, particularly in populations with asthma. Case Study: In this case series, we review two cases of adolescents with history of recent and past ENDS use and asthma who required veno-venous extracorporeal membrane oxygenation (VV-ECMO) for status asthmaticus in the year 2018...

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The National Asthma Education and Prevention Program's Expert Panel Report 3, Guidelines for the Diagnosis and Management of Asthma does not recommend antibiotics for the management of acute episodes of asthma exacerbation. Macrolides seem to have some potential effect beyond or in addition to their antibacterial effect. It has been reported that macrolides may potentially benefit patients with chronic inflammatory airway diseases due to their antibacterial, antiviral, and/or anti-inflammatory effects. This review presents recent data on use of azithromycin in prevention and management of acute exacerbation of respiratory symptoms in infants and young children...

Acute, severe exacerbations of asthma present a challenge due to the significant morbidity associated with this presentation. For exacerbations that are refractory to initial treatments with inhaled and oral therapies, there is still doubt about which intravenous therapies are most likely to be helpful. β-2 agonists and aminophylline have differing mechanisms of action that also affect their adverse effects profiles and these are considered. A review of the available randomised control trials suggests that a bolus of intravenous salbutamol may reduce symptoms and hasten recovery...

BACKGROUND: Acute asthma is a common ED presentation. In a prospective, multicenter cohort study, we determined the frequency and factors associated with asthma relapse following discharge from the ED. METHODS: Adults aged 18 to 55 years who were treated for acute asthma and discharged from 20 Canadian EDs underwent a structured ED interview and a follow-up telephone interview 4 weeks later. Standardized antiinflammatory treatment was offered at discharge. Multivariable analyses were performed...

BACKGROUND: The role of tiotropium for the treatment of asthma has not yet been clearly defined. The aim of this systematic review was to assess the efficacy and safety of tiotropium in patients with asthma. METHODS: Randomized placebo-controlled trials were included. Primary outcomes were peak and trough FEV1 and morning and evening peak expiratory flow (PEF). RESULTS: Thirteen studies (4,966 patients) were included. Three different therapeutic protocols were identified...