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A randomised crossover trial of facemask efficacy
  1. J T Hayden2,
  2. N Smith3,
  3. D A Woolf2,
  4. P W Barry1,
  5. C O’Callaghan1
  1. 1Institute of Lung Health, University of Leicester, and Children’s Hospital, Leicester Royal Infirmary, UK
  2. 2Department of Paediatrics, Peterborough District Hospital, UK
  3. 3Profile Therapeutics, Heath Place, Bognor Regis, UK
  1. Correspondence to:
    Dr P W Barry
    Clinical Sciences Building, Leicester Royal Infirmary, Leicester LE2 7LX, UK;


The efficacy of different facemasks that can be used in the delivery of aerosol medication to children with recurrent wheeze or asthma was investigated. The results showed a statistically significant difference between some of the masks used, which has important implications for current clinical practice

  • asthma
  • delivery
  • efficacy
  • facemask
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