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Inter‐Relation of Immediate and Late Asthmatic Reactions in Childhood
Author(s) -
Hill D. J.
Publication year - 1981
Publication title -
allergy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.363
H-Index - 173
eISSN - 1398-9995
pISSN - 0105-4538
DOI - 10.1111/j.1398-9995.1981.tb01872.x
Subject(s) - provocation test , allergen , inhalation , asthma , medicine , immunology , allergy , anesthesia , pathology , alternative medicine
Following bronchial provocation tests with inhalent allergens, late asthmatic reactions (LAR) frequently follow immediate asthma reactions (IAR). This study of atopic asthmatic children demonstrated that patients could show IARs to one allergen, ryegrass extract, but isolated LARs without any preceding immediate response when challenged with an unrelated allergen extract of D. pteronyssinus. The patients’ degree of skirt sensitivity to the concentration of extract inhaled appeared one factor which determined whether an isolated LAR or IAR followed allergen inhalation,