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Titolo:
Increasing prevalence of asthma over 12 years among dairy farmers on Gotland, Sweden: storage mites remain dominant allergens
Autore:
Kronqvist, M; Johansson, E; Pershagen, G; Johansson, SGO; Van Hage-Hamsten, M;
Indirizzi:
Danderyd Hosp, Dept Med, S-18288 Danderyd, Sweden Danderyd Hosp DanderydSweden S-18288 Dept Med, S-18288 Danderyd, Sweden Karolinska Hosp & Inst, Div Clin Immunol, Lab Med, Stockholm, Sweden Karolinska Hosp & Inst Stockholm Sweden nol, Lab Med, Stockholm, Sweden Karolinska Inst, Inst Environm Med, S-10401 Stockholm, Sweden Karolinska Inst Stockholm Sweden S-10401 Med, S-10401 Stockholm, Sweden
Titolo Testata:
CLINICAL AND EXPERIMENTAL ALLERGY
fascicolo: 1, volume: 29, anno: 1999,
pagine: 35 - 41
SICI:
0954-7894(199901)29:1<35:IPOAO1>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
RESPIRATORY SYMPTOMS; DERMATOPHAGOIDES-PTERONYSSINUS; FARMING POPULATION; NORTHERN SWEDEN; DANISH FARMERS; BARN ALLERGY; DUST MITES; RHINITIS; SENSITIZATION; REACTIVITY;
Keywords:
farmers; epidemiology; asthma; respiratory symptoms; storage mites;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Kronqvist, M Karolinska Hosp, Dept Clin Immunol, S-17176 Stockholm, SwedenKarolinska Hosp Stockholm Sweden S-17176 Stockholm, Sweden
Citazione:
M. Kronqvist et al., "Increasing prevalence of asthma over 12 years among dairy farmers on Gotland, Sweden: storage mites remain dominant allergens", CLIN EXP AL, 29(1), 1999, pp. 35-41

Abstract

Background Earlier studies from several countries have shown that IgE-mediated allergy in rural populations is of considerable importance and that storage mites are dominant allergens. Objective In an epidemiological follow-up study among farmers on the island of Gotland, Sweden in 1996 we wished to investigate the prevalence of respiratory allergy and to find out whether storage mites are still important allergens in a farming environment. Methods A questionnaire concerning airway symptoms, social and working conditions and smoking habits was distributed to all Gotland farmers aged 15-65 years and was completed by 1577 (86.7%), of whom 1015 were dairy farmers. Based on the answers, 500 dairy farmers were invited to undergo a medical examination which included a skin-prick test (SPT) and blood sampling for PAST analyses. Prevalence figures (symptoms, PAST and SPT) given for the whole population (n = 1015) were based on the investigation of the 461 farmerswho took part in the examination. Results Immediate onset hypersensitivity was present in 41.7% of the 1015 farmers studied? which is almost the same figure as in 1984 (40.0%). The prevalence of asthma had increased significantly during the previous 12 years(5.3% vs 9.8%), as had asthma in combination with rhinoconjunctivitis (3.7% vs 7.0%). Rhinoconjunctivitis, on the other hand, had not changed significantly (36.5% vs 33.1%) and remained one of the most common symptoms. The prevalence of storage mite allergy in the farming population in 1996 was 6.5% and constituted an important cause of allergic symptoms. Conclusion Over 12 years, Gotland dairy farmers have developed significantly more respiratory symptoms from the lower airways, although the proportion with atopy is unchanged. Storage mites are still dominant allergens for developing allergic disease.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/09/20 alle ore 04:26:16