RAPID METHOD FOR MEASUREMENT OF BRONCHIAL RESPONSIVENESS
RAPID METHOD FOR MEASUREMENT OF BRONCHIAL RESPONSIVENESS
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DOI:
10.1136/thx.38.10.760
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发表时间:
1983-01-01
期刊:
影响因子:
10
通讯作者:
WOOLCOCK, AJ
中科院分区:
文献类型:
--
作者:
YAN, K;SALOME, C;WOOLCOCK, AJ
A rapid, simple method for measuring bronchial responsiveness to inhaled histamine is described. The method was used to obtain dose response curves in 50 atopic [asthma and rhinitis] subjects with varying respiratory and nasal symptoms. The cumulative dose of histamine which caused a 20% fall in the 1-s forced expiratory volume (PD20-FEV1) varied between 0.046 and greater than 3.9 .mu.mol and correlated with the severity of symptoms. The reproducibility of the PD20-FEV1, determined from duplicate measurements in 15 patients with varying degrees of bronchial responsiveness, was satisfactory. When the PD20-FEV1 from this rapid method was compared with that obtained from the dosimeter method, no significant difference was found. The dose delivered by this method was cumulative.