| Titre : | Investigation of systemic lupus erythematosus in Nogales, Arizona. (2001) |
| Auteurs : | Lina BALLUZ ; Dana BARR ; John BROCK ; Stephanie KIESZAK ; Luis ORTEGA ; Rossanne PHILEN ; Cecilia ROSALES ; Arizona Department of Health Services. Office of Border Health. Tucson. AZ. USA ; Centers for Disease Control and Prevention. National Center for Environmental Health. Division of Laboratory Sciences. Atlanta. GA. USA ; Centers for Disease Control and Prevention. National Center for Environmental Health. Health Studies Branch. Atlanta. GA. USA |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 154, n° 11, 2001) |
| Pagination : | 1029-1036 |
| Langues: | Anglais |
| Mots-clés : | Homme ; Epidémiologie ; Prévalence ; Facteur risque ; Exposition ; Pesticide ; Enquête cas témoin ; Métabolisme ; Peau [pathologie] ; Maladie autoimmune ; Immunopathologie |
| Résumé : | [BDSP. Notice produite par INIST-CNRS YSR0xptP. Diffusion soumise à autorisation]. In 1996, a citizens group in Nogales, Arizona, reported to the Arizona Department of Health their concerns about a possible excess prevalence of systemic lupus erythematosus (SLE) due to exposure to environmental contamination in the area. The authors conducted a two-phase study in which the objectives of phase I were to identify potential SLE cases and to determine the prevalence of SLE and the objectives of phase II were to identify potential risk factors associated with the development of SLE and to evaluate the possible association between SLE and environmental exposure to pesticides and inorganic compounds. Participants included 20 confirmed cases and 36 controls. The authors found the prevalence of SLE to be 103 cases per 100,000 population (95 percent confidence interval : 56,149), two to seven times higher than the prevalence in the US population. They detected elevated levels of 1,1-dichloro-2,2-bis- (p-chorophenyl) ethylene and organophosphate metabolites among cases and controls. In both, levels were higher than the reference mean for the US population. The authors found no statistical association between elevated levels of pesticides and disease status. Their results show that the prevalence of SLE in Nogales is higher than the reported prevalence in the US population and that both cases and controls had past exposure to chlorinated pesticides and have ongoing exposure to organophosphates. |
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