Specific airway resistance in children: Panting or tidal breathing?

Summary Background The measurement of specific airway resistance during tidal breathing (sRawtb) has gained popularity in children, but methodological concerns have been raised regarding the electronic compensation for the thermal artifact. The panting method (sRawp) is efficient in minimizing the l...

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Bibliographic Details
Published in:Pediatric pulmonology 2014-03, Vol.49 (3), p.245-251
Main Authors: Coutier, Laurianne, Varechova, Silvia, Demoulin, Bruno, Bonabel, Claude, Roman-Amat, Clotilde, Tuan, Thanh Le, Ioan, Iulia, Schweitzer, Cyril, Marchal, François
Format: Article
Language:English
Subjects:
Airway Resistance - physiology
asthma
Asthma - diagnosis
Asthma - physiopathology
body plethysmography
Child
Female
healthy
Human health and pathology
Humans
Life Sciences
Lung - physiopathology
Male
Plethysmography, Whole Body - methods
thermal artifact
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Summary:Summary Background The measurement of specific airway resistance during tidal breathing (sRawtb) has gained popularity in children, but methodological concerns have been raised regarding the electronic compensation for the thermal artifact. The panting method (sRawp) is efficient in minimizing the latter, but may be associated with a change in end expiratory lung volume if the effort is not properly balanced. The aim of the study was to compare sRawtb with sRawp in children. Methods Fifty‐five children aged 6.5–11.5 years were studied. sRawtb was measured in a commercial plethysmograph. sRawp was measured with a home made equipment that allowed breath by breath analysis (sRawp1) as well as with the commercial body box (sRawp2). Results sRawtb was significantly larger than either sRawp1 or sRawp2 (P 
ISSN:8755-6863
1099-0496
DOI:10.1002/ppul.22829