Using a modification of the forced oscillation technique we have measured respiratory resistance before and after nebulised salbutamol therapy in 32 wheezing children aged 7 months to 3 years 7 months. 12 of the children were also studied in a total body plethysmograph. No child under 18 months of age showed a greater than 5% fall in resistance or any fall in thoracic gas volume. In contrast, 18 of 20 children over 20 months of age showed a fall in resistance greater than 20%.
CITATION STYLE
Lenney, W., & Milner, A. D. (1978). At what age do bronchodilator drugs work? Archives of Disease in Childhood, 53(7), 532–535. https://doi.org/10.1136/adc.53.7.532
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