Document Detail

Epidemic asthma in Barcelona: an evaluation of new strategies for the control of soybean dust emission.
MedLine Citation:
PMID:  15153796     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Asthma attacks and mortality due to inhalation of soybean antigens in Barcelona have been well documented. Strict protective measures in the unloading process were established in 1998 to avoid the release of soybean dust into the atmosphere. The present study was undertaken to assess the effectiveness of these latest environmental measures, and, if effective, to recommend their implementation in the many harbours where soybean is unloaded. METHODS: Levels of soybean aeroallergen were analysed daily during a period of 5 years and 2 months in a total of 1,854 samples, 125 from the pre-intervention period and 1,729 from the postintervention period. Additionally, the number of asthma admissions to the emergency rooms of the city's three largest hospitals was recorded. Asthma patients attended at home by the public home emergency service and judicial autopsies registering asthma deaths were also investigated. RESULTS: The mean concentration of soybean aeroallergen was 159 U/m(3) in the pre-intervention period and 39 U/m(3) in the postintervention period (p < 0.0001). Significant differences in postintervention aeroallergen concentrations were found between days of soybean unloading (42 U/m(3)) and days of no unloading (33 U/m(3)), with p < 0.0001. No significant relationship was found between concentrations of environmental soybean aeroallergens and the number of emergency room admissions for asthma. CONCLUSIONS: Implementation of stricter protective measures in silos for the soybean unloading process has reduced the concentration of soybean dust in the atmosphere and evidences the effectiveness of the measures adopted.
María-José Rodrigo; María-Jesús Cruz; María-del-Mar García; Josep-María Antó; Teresa Genover; Ferran Morell
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Publication Detail:
Type:  Comparative Study; Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't     Date:  2004-05-19
Journal Detail:
Title:  International archives of allergy and immunology     Volume:  134     ISSN:  1018-2438     ISO Abbreviation:  Int. Arch. Allergy Immunol.     Publication Date:  2004 Jun 
Date Detail:
Created Date:  2004-06-04     Completed Date:  2004-08-05     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9211652     Medline TA:  Int Arch Allergy Immunol     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  158-64     Citation Subset:  IM    
Copyright Information:
Copyright 2004 S. Karger AG, Basel
Unitat de Recerca en Neumologia i Unitat Immunologia, Servei de Pneumologia, Hospital Universitario Vall d'Hebrón, Universidal Autónoma de Barcelona, Passeig Vall d'Hebrón 119-129, ES-08035 Barcelona, Spain.
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MeSH Terms
Air Pollutants / adverse effects,  analysis
Allergens / adverse effects,  analysis
Antibody Specificity / immunology
Asthma / epidemiology*,  etiology,  prevention & control
Disease Outbreaks*
Dust / analysis,  prevention & control
Emergency Medical Services
Immunoglobulin E / immunology
Patient Admission
Prospective Studies
Severity of Illness Index
Soybeans / chemistry
Spain / epidemiology
Reg. No./Substance:
0/Air Pollutants; 0/Allergens; 0/Dust; 37341-29-0/Immunoglobulin E

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