Citrus red mite (Panonychus citri) is the most common sensitizing allergen of asthma and rhinitis in citrus farmers.
Objective To evaluate type I hypersensitivity to citrus red mite (Panonychus citri), its prevalence, and relationship to respiratory dysfunction, a cross-sectional survey was performed among citrus farmers on Cheju Island, Korea.
Materials and methods Questionnaires, and skin prick test responses to 11 common inhalant allergens and citrus red mite were performed in 181 citrus farmers, and serum-specific IgE antibodies to citrus red mite were measured by ELISA in sera of 123 subjects.
To determine airway hyperresponsiveness, methacholine bronchial provocation tests were performed in 55 subjects who complained of recurrent lower respiratory symptoms.
Results The prevalence of asthma-based on presence of asthmatic symptoms on the questionnaire and airway hyperresponsiveness to methacholine, and allergic rhinitis based on presence of nasal symptoms on the questionnaire and positive skin-test response were 12.1% and 19.3%, respectively.
The positive rate of skin responses to one or more of 11 common inhalant allergens excluding citrus red mite was 17.1%, and if citrus red mite was included, 25.9% of farmers had positive responses.
On skin prick tests, citrus red mite (16.5%) was the most common sensitizing allergen, followed by cockroach (11.0%), Dermatophagoides pteronyssinus (9.9%), and D. farinae (9.3%). Among farmers with asthma and allergic rhinitis, the positive skin responses to citrus red mite were noted in 54.5 and 68.5%, respectively. (...)
Mots-clés Pascal : Asthme, Allergie, Rhinite, Etiologie, Allergène, Pneumallergène, Panonychus citri, Tetranychidae, Actinedida, Acariformes, Acari, Arachnida, Arthropoda, Invertebrata, Exposition professionnelle, Citron, Plante fruitière, Agriculteur, Corée, Asie, Homme, Appareil respiratoire pathologie, Bronchopneumopathie obstructive, Immunopathologie, Médecine travail, ORL pathologie, Nez pathologie
Mots-clés Pascal anglais : Asthma, Allergy, Rhinitis, Etiology, Allergen, Aeroallergen, Panonychus citri, Tetranychidae, Actinedida, Acariformes, Acari, Arachnida, Arthropoda, Invertebrata, Occupational exposure, Lemon, Fruit crop, Farmer, Korea, Asia, Human, Respiratory disease, Obstructive pulmonary disease, Immunopathology, Occupational medicine, ENT disease, Nose disease
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 99-0401806
Code Inist : 002B06C02. Création : 22/03/2000.