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1.
Lett Appl Microbiol ; 46(6): 682-7, 2008 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-18482280

RESUMEN

AIMS: The study aim was to determine the presence of total and faecal coliforms on kitchen surfaces, in tap water and on the hands of caregivers in households on both sides of the US-Mexico border. METHODS AND RESULTS: Samples were collected in 135 randomly selected households in Ciudad Juarez, Mexico, and El Paso, Texas. Different surfaces throughout the kitchen and head of households' hands were sampled using sterile cotton swabs moistened in D/E neutralizing solution. Sponge/dishcloth and drinking water samples were also obtained. Total and faecal coliforms were enumerated on m-Endo LES and mFC respectively. Total coliforms and Escherichia coli in drinking water samples were enumerated in accordance with the Quanti-Tray method. Sponge/dishcloth samples were the most commonly contaminated kitchen sites, followed by countertops and cutting boards. We recovered faecal coliforms from 14% of the hands of child caregivers, and this indicator was moderately associated with self-reported failure to wash hands after using the toilet (OR = 3.2; 95% CI: 0.9, 11.1). CONCLUSIONS: Hand washing should continue to be emphasized, and additional interventions should be directed to specific kitchen areas, such as sponges/dishcloths, tables/countertops and cutting boards. SIGNIFICANCE AND IMPACT OF THE STUDY: There is a need for additional interventions regarding kitchen sanitation.


Asunto(s)
Enterobacteriaceae/aislamiento & purificación , Monitoreo del Ambiente , Heces/microbiología , Artículos Domésticos , Recuento de Colonia Microbiana , Utensilios de Comida y Culinaria , Escherichia coli/aislamiento & purificación , Mano/microbiología , Desinfección de las Manos , Humanos , México , Saneamiento , Estados Unidos
2.
Epidemiol Infect ; 135(5): 868-76, 2007 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-17083749

RESUMEN

Several previous studies of necrotizing fasciitis (NF) have been single-institution investigations suffering from small samples sizes. This study of 216 NF patients hospitalized in Florida, USA, during 2001 was designed to identify risk factors for length of stay (LOS), total patient charges (TC), and mortality, using a statewide database. Robust gamma mixed regression was used to determine the predictors of LOS and TC while simultaneously accounting for outliers and the clustering of patients in 87 hospitals. Relative risks (RR) for hospital mortality were calculated using binomial regression. The NF hospitalization rate in Florida was 1.3/100,000. The median TC was US$54,533 and cumulative charges for all 216 patients were nearly US$20 million. Patients aged > or =44 years at the time of admission were five times as likely to expire in the hospital than patients who were aged < or =43 years (adjusted RR 5.08, P=0.03). Unexpectedly, diabetes was associated with a 61% reduction in the risk of hospital mortality (adjusted RR 0.39, P=0.04). Age > or =44 years was the most powerful predictor of prolonged LOS, elevated TC, and an increased risk of hospital mortality in patients suffering from NF.


Asunto(s)
Fascitis Necrotizante/mortalidad , Costos de la Atención en Salud , Mortalidad Hospitalaria , Tiempo de Internación , Adulto , Anciano , Fascitis Necrotizante/economía , Fascitis Necrotizante/terapia , Femenino , Hospitalización , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos
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