Respiratory load perception in overweight and asthmatic children

Victoria MacBean*, Lorna Wheatley, Alan C. Lunt, Gerrard F. Rafferty

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)
    264 Downloads (Pure)

    Abstract

    Overweight asthmatic children report greater symptoms than normal weight asthmatics, despite comparable airflow obstruction. This has been widely assumed to be due to heightened perception of respiratory effort. Three groups of children (healthy weight controls, healthy weight asthmatics, overweight asthmatics) rated perceived respiratory effort throughout an inspiratory resistive loading protocol. Parasternal intercostal electromyogram was used as an objective marker of respiratory load; this was expressed relative to tidal volume and reported as a ratio of the baseline value (neuroventilatory activity ratio (NVEAR)). Significant increases in perception scores (p 

    Original languageEnglish
    Pages (from-to)81-86
    Number of pages6
    JournalRESPIRATORY PHYSIOLOGY AND NEUROBIOLOGY
    Volume239
    Early online date16 Feb 2017
    DOIs
    Publication statusPublished - 1 May 2017

    Keywords

    • Obesity
    • Asthma
    • Child
    • Breathlessness perception

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