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Título : | Verocytotoxin-producing Escherichia coli infection in family members of children with hemolytic uremic syndrome | Autor : | Rivas, Marta Voyer, L. Tous, Mónica de Mena, María F. Leardini, Nelida Wainsztein, Raquel Callejo, Raquel Quadri, Beatriz Corti, Silvia Prado, Valeria |
Palabras clave : | Síndrome Hemolítico-Urémico;Escherichia coli | Fecha de publicación : | 1996 | Journal: | Medicina (Buenos Aires) | Resumen : | Thirty-four hemolytic uremic syndrome (HUS) patients and ninety-five family members were studied to determine the frequency of infection with verocytotoxin-producing Escherichia coli (VTEC) in household contacts using three diagnostic criteria: VTEC strains isolation and characterization, detection of free fecal VT (FVT) and VT-neutralizing antibodies (VT-NAbs). Gastrointestinal tract symptoms occurred in one to six family members in 8 (23.5%) of the index cases, the week before admission to hospital or simultaneously. The control group consisted of 34 children with acute gastroenteritis who did not develop HUS. Cumulative evidence of VTEC infection was found in 13 (38.2%) of 34 HUS patients, in 30 (31.6%) of 95 family members and in 10 (29.4%) of 34 control children. The serotypes of VTEC isolated were O157: H7 and O25: H2. The prevalent VT type was VT2 in VTEC and FVT; and VT1 in VT-NAbs. Both parents had the same infection rate by fecal toxin or serological data (11.1% FVT, 32% VT-NAbs). These were higher than those detected in siblings (6.2% FVT, 23.5% VT-NAbs) and grandparents (0% FVT, 18% VT-NAbs). Of 16 patients without evidence of infection, 3 had household contacts with FVT and 13 with VT-NAbs. Our results show the wide dissemination of VTEC in the population of Argentina and that family members of HUS patients are usually infected. Therefore, person-to-person transmission may play an important role in the high incidence of HUS in our country. |
Descripción : | Fil: Rivas, Marta. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina Fil: Voyer, Luis E. Hospital General de Niños Pedro de Elizalde; Argentina. Fil: Tous, Mónica. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina Fil: de Mena, María F. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina Fil: Leardini, Nelida. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina Fil: Wainsztein, Raquel. Hospital General de Niños Pedro de Elizalde; Argentina. Fil: Callejo, Raquel. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina Fil: Quadri, Beatriz. Hospital General de Niños Pedro de Elizalde; Argentina. Fil: Corti, Silvia. Hospital General de Niños Pedro de Elizalde; Argentina. Fil: Prado, Valeria. Universidad de Chile. División Ciencias Médicas Oriente; Chile. |
URI : | http://sgc.anlis.gob.ar/handle/123456789/162 | ISSN : | 0025-7680 | Derechos: | info:eu-repo/semantics/openAccess Creative Commons Attribution 4.0 International License |
Aparece en las colecciones: | snrd Publicaciones INEI |
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Medicina(Buenos Aires),1996,56(2),119–125.pdf | Artículo en inglés | 1.55 MB | Adobe PDF | Visualizar/Abrir |
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