• Anne B Chang, John J Oppenheimer, Bruce K Rubin, Miles Weinberger, Richard S Irwin, and CHEST Expert Cough Panel.
• Division of Child Health, Menzies School of Health Research, Darwin, Australia; Respiratory and Sleep Department, Lady Cilento Children's Hospital, Qld Uni of Technology, Brisbane, QLD, Australia. Electronic address: annechang@ausdoctors.net.
• Chest. 2018 Aug 1; 154 (2): 378382378-382.

BackgroundAcute bronchiolitis is common in young children, and some children develop chronic cough after their bronchiolitis. We thus undertook systematic reviews based on key questions (KQs) using the PICO (Population, Intervention, Comparison, Outcome) format. The KQs were: Among children with chronic cough (> 4 weeks) after acute viral bronchiolitis, how effective are the following interventions in improving the resolution of cough?: (1) Antibiotics. If so what type and for how long? (2) Asthma medications (inhaled steroids, beta2 agonist, montelukast); and (3) Inhaled osmotic agents like hypertonic saline?MethodsWe used the CHEST expert cough panel's protocol and the American College of Chest Physicians (CHEST) methodological guidelines and GRADE framework. Data from the systematic reviews in conjunction with patients' values and preferences and the clinical context were used to form these suggestions. Delphi methodology was used to obtain consensus.ResultsSeveral studies and systematic reviews on the efficacy of the three types of interventions listed in the introduction were found but no data were relevant to our KQs. Thus, no recommendations on using the interventions above could be formulated.ConclusionsThe panel made several consensus-based suggestions and identified directions for future studies to advance the field of managing chronic cough post-acute bronchiolitis in children.Copyright © 2018 American College of Chest Physicians. All rights reserved.

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