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  • Title: Humidification in viral croup: a controlled trial.
    Author: Bourchier D, Dawson KP, Fergusson DM.
    Journal: Aust Paediatr J; 1984 Nov; 20(4):289-91. PubMed ID: 6397182.
    Abstract:
    Sixteen children (mean age 1.9 years) admitted to hospital with viral croup were assigned randomly to either a high humidity atmosphere or room air. No other treatment was given. During the initial 12 h both groups of patients showed a similar rate of recovery as measured by pulse rate, respiration rate, transcutaneous oxygen (TcO2), transcutaneous carbon dioxide (TcCO2) and a clinical rating. No therapeutic benefit was demonstrated from the provision of a high humidity atmosphere. The widespread use of humidification in the management of croup requires reappraisal.
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