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  1. Growth of airways and air spaces in teenagers is related to sex but not to symptoms.

    Article - En anglais

    To determine growth patterns of the lung and airways in adolescents, we analyzed maximal expiratory flow-volume curves, closing capacity, and residual volume.

    They were obtained every 6 mo for up to 7 yr in 430 boys and 125 girls (11-19 yr), of whom 143 boys and 36 girls were classified as symptomatic; symptoms were most often minor and limited to childhood.

    Development of flows vs. volumes was used to investigate growth of the airways relative to lung size.

    A model of isotropic growth of the airways and air spaces (J. Appl.

    Physiol. 65: 822-828, 1988) was modified for increasing elastic recoil pressure with growth.

    Mots-clés Pascal : Voie respiratoire, Développement, Poumon, Courbe débit volume expiratoire maximum, Volume pulmonaire résiduel, Capacité fermeture, Sexe, Etude longitudinale, Appareil respiratoire, Adolescent, Homme

    Mots-clés Pascal anglais : Respiratory tract, Development, Lung, Maximum expiratory flow volume curve, Residual lung volume, Closing capacity, Sex, Follow up study, Respiratory system, Adolescent, Human

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 94-0259443

    Code Inist : 002A20B02. Création : 199406.