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1.
Rev. salud pública ; 15(4): 552-565, jul.-ago. 2013. ilus, graf, tab
Artigo em Espanhol | LILACS | ID: lil-703414

RESUMO

Objetivos Determinar la relación entre contaminación del aire extra e intramuros por material particulado MP10 con síntomas respiratorios en niños menores de 5 años en tres localidades del Distrito Capital. Métodos Estudio de cohortes. 315 niños y niñas de jardines ubicados en zona de mayor exposición a material particulado MP10, y 304 de jardines en zona de menor exposición. Se siguieron las cohortes por 19 semanas, teniendo en cuenta síntomas respiratorios. Se midió material particulado intramuros y extramuros en los jardines. Se determinaron prevalencias y asociación entre variables. Resultados Hubo una diferencia de promedios de MP intramuros entre mayor y menor exposición de 85.6 μg/m³vs. 61.8 μg/m³ (p<0,05). 74.3 % de los niños presentaron sibilancias en el último año, con diferencia entre mayor y menor exposición de 79,6 % vs 69,0 % (p<0,05). Sibilancias y expectoración estuvieron asociados a mayor exposición a MP10 (RR 1,39 y 1,30). Factores asociados a síntomas respiratorios: tabaquismo pasivo, el antecedente de bajo peso al nacer, el antecedente de sibilancias, la cercanía del jardín o vivienda a menos de 100 metros de chimeneas, vías de alto flujo vehicular, vías en mal estado y colecho. Discusión Un niño menor de 5 años expuesto a MP10 tiene 1,70 veces más riesgo de presentar ausentismo escolar por enfermedad respiratoria aguda, una disminución del MP10 reduciría en un 41,1 % este ausentismo escolar.


Objectives Determining the relationship between indoor and outdoor air pollution caused by particulate matter PM10 and respiratory symptoms in children aged younger than 5 years-old in three locations in Bogota. Methods This was a cohort study, involving 315 children in kindergartens located in the area of greatest exposure to PM10, and 304 in kindergartens located in an area of less exposure. The cohort was followed-up for 19 weeks considering respiratory symptoms. Particulate matter was intramurally and extramurally measured in the kindergartens. Prevalence and association between variables were determined. Results There was a difference regarding average intramural PM between higher and lower exposure (85.6 ug/m³cf 61.8 g/m³; p<0.05); 74.3 % of the children had suffered wheezing during the last year, difference between greater and lesser exposure being 79.6 % cf 69.0 % (p<0.05). Wheezing and coughing were associated with greater exposure to PM10 (RR 1.39 and 1.30). Factors associated with respiratory symptoms concerned passive smoking, having a history of low birth weight, a history of wheezing, a child's kindergarten or home being within 100 meters of (industrial) chimneys, high traffic flow routes, roads in disrepair and bed-sharing. Discussion A child aged less than 5 years-old exposed to PM10 had a 1.7 times higher risk of truancy due to acute respiratory illness; a decrease in PM10 reduced such truancy by 41.1 %.


Assuntos
Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Poluição do Ar/efeitos adversos , Material Particulado/efeitos adversos , Doenças Respiratórias/etiologia , Estudos de Coortes , Colômbia , Material Particulado/análise , Saúde da População Urbana
2.
Rev. salud pública ; 15(3): 408-420, mayo-jun. 2013. ilus, map, tab
Artigo em Espanhol | LILACS | ID: biblio-962004

RESUMO

Objetivo Establecer la prevalencia de síntomas respiratorios, asma y rinitis, posiblemente asociados a la contaminación del aire en niños entre 5 y 14 años, en la localidad de Bosa, año 2012-2013. Métodos Se tomó una muestra de 553 niños residentes en la localidad de Bosa. Resultados Cuando el niño habita con personas que fuman tiene 1,5 veces más de riesgo de toser en la noche respecto a los niños cuyos contactos no fuman. Los niños que habitan en viviendas con chimeneas a menos de 100 m de distancia tienen 1,6 veces la probabilidad de presentar el síntoma. Quienes asisten al colegio de mayor exposición y además tienen edificaciones en construcción o vías en mal estado a menos de 100 m de sus viviendas, presentan 2,5 veces la posibilidad de manifestar el evento. En cuanto a presentar sibilancias en el último año, los niños que tienen humedades en su habitación presentan 4 veces la probabilidad de manifestarlas. Hay un incremento del riesgo de sibilancias en un 80 % cuando el niño vive a menos de 100 m de edificaciones en construcción o vías sin pavimentar y además asiste al colegio de mayor exposición. Conclusiones Son tan importantes las intervenciones gubernamentales para la modificación de los factores de riesgo extramurales asociados a la enfermedad respiratoria como las mejoras que deben llevarse a cabo extramuralmente.(AU)


Objective Establishing the prevalence of respiratory symptoms, asthma and rhinitis, possibly associated with air pollution, in 5- to 14-year-old children in Bosa (a conurbation of Bogota), between 2012 and 2013. Methods A sample was taken of 553 children living in the conurbation. Results The results indicated that when a child lives with people who smoke there was a 1.5 times risk of coughing at night (compared to living in a non-smoking home) such night-time coughing being different to that produced by respiratory infections such as colds, bronchitis and pneumonia. Children living in homes having fireplaces/open cooking areas located less than 100 m apart had 1.6 times greater probability of presenting symptoms. Children attending schools having greater PM10 exposure and living near buildings being constructed or having roads in a poor state of repair less than 100 meters from their homes were 2.5 times more likely to suffer respiratory disease. Children living in damp rooms were 4 times more likely to have wheezed during the past year. The risk of wheezing became increased by 80 % when a child lived within 100 meters of buildings being constructed or near unpaved roads and attended a school having greater exposure. Conclusion Government intervention is critical for changing respiratory disease-associated extramural risk factors, such as improvements benefitting children which should be carried out in urban areas.(AU)


Assuntos
Humanos , Pré-Escolar , Criança , Adolescente , Asma/epidemiologia , Sons Respiratórios , Rinite/epidemiologia , Poluição do Ar/efeitos adversos , Prevalência , Estudos Transversais/instrumentação , Fatores de Risco , Colômbia/epidemiologia
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