Forced oscillations, interrupter technique and body plethysmography in the preschool child - 21/08/11
, Cyril Schweitzer, Lan Vu Thi Thuy
Corresponding author at: Laboratoire de Physiologie, Faculté de Médecine, Avenue de la Forêt de Haye, F- 54505 – Vandoeuvre les Nancy, France. Tel.: +33 3 83 59 27 37; fax: +33 3 83 59 27 26.Summary |
The interrupter technique, forced oscillation and plethysmography have been increasingly used to monitor early childhood respiratory diseases over the past 30 years. The techniques are based on different principles but generally yield concordant information. Data from all three techniques indicate significant airway response to bronchodilators in healthy and asthmatic preschool children. The interrupter technique is useful but yields little more than a single value of respiratory resistance. Forced oscillation and plethysmography may provide additional information relevant to the mechanisms of airway obstruction, provided the methodological artefacts are accounted for and corrected.
Le texte complet de cet article est disponible en PDF.Keywords : preschool child, asthma, bronchodilator, frequency dependence of resistance, airway wall compliance, bronchoconstriction, upper airways, ventilation inhomogeneity
Plan
Vol 6 - N° 4
P. 278-284 - décembre 2005 Retour au numéro
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