Relación entre bronquiolitis aguda con factores climáticos y contaminación ambiental

Annually, acute bronchiolitis (AB) occurrence peaks during winter and is probably associated with air pollution. Aim: To relate the number of ambulatory consultations, emergency and hospital admission due to AB with climatic factors and air pollution. Patients and methods: Patients of less than 1 ye...

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Autores principales:	Zamorano W,Alejandra, Márquez U,Sonia, Aránguiz R,Juan Luis, Bedregal G,Paula, Sánchez D,Ignacio
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2003
Materias:	Air pollutants environmental Bronchiolitis Tobacco smoke pollution
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872003001000003
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spelling	oai:scielo:S0034-988720030010000032004-12-07Relación entre bronquiolitis aguda con factores climáticos y contaminación ambientalZamorano W,AlejandraMárquez U,SoniaAránguiz R,Juan LuisBedregal G,PaulaSánchez D,Ignacio Air pollutants environmental Bronchiolitis Tobacco smoke pollution Annually, acute bronchiolitis (AB) occurrence peaks during winter and is probably associated with air pollution. Aim: To relate the number of ambulatory consultations, emergency and hospital admission due to AB with climatic factors and air pollution. Patients and methods: Patients of less than 1 year old with AB that consulted to outpatient clinics, the emergency room or were admitted to the Pediatrics ward of the Catholic University Hospital, were enrolled. Information about respiratory syncytial virus (RSV) was obtained from the Catholic University Medical Investigation Center. Indices of air pollution such as particulate matters of less than 10 microns/m³ (PM 10), of less than 2.5 microns/m3 (PM 2.5), CO, SO3 and O3 were obtained from the Metropolitan Environmental Service. Temperature, humidity and precipitations were obtained from the Chilean Meteorological Service. Results: Ninety nine consultations in out patient clinics and 442 in emergency rooms were collected (55% male, mean age 4.8 months). One hundred fifty two were admitted (34.4%). Thirty percent of children consulting in emergency rooms were younger than 3 months and 43% of them were hospitalized. The RSV study was made in 307 patients and 52% were positive. There was a higher rate of hospital admissions among RSV positive than RSV negative patients (52.5 and 22% respectively, p<0.001). No association between environmental variables or air pollution and the number of consultations was observed. Young age and smoking inside the household were the main risk factors for hospital admission due to acute bronchiolitis. Conclusions: Environmental variables did not influence the number of cases of acute brochiolitis. Young age and exposure to tobacco smoke were risk factors for hospital admission (Rev Méd Chile 2003; 131: 1117-22).info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.131 n.10 20032003-10-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872003001000003es10.4067/S0034-98872003001000003
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Air pollutants environmental Bronchiolitis Tobacco smoke pollution
spellingShingle	Air pollutants environmental Bronchiolitis Tobacco smoke pollution Zamorano W,Alejandra Márquez U,Sonia Aránguiz R,Juan Luis Bedregal G,Paula Sánchez D,Ignacio Relación entre bronquiolitis aguda con factores climáticos y contaminación ambiental
description	Annually, acute bronchiolitis (AB) occurrence peaks during winter and is probably associated with air pollution. Aim: To relate the number of ambulatory consultations, emergency and hospital admission due to AB with climatic factors and air pollution. Patients and methods: Patients of less than 1 year old with AB that consulted to outpatient clinics, the emergency room or were admitted to the Pediatrics ward of the Catholic University Hospital, were enrolled. Information about respiratory syncytial virus (RSV) was obtained from the Catholic University Medical Investigation Center. Indices of air pollution such as particulate matters of less than 10 microns/m³ (PM 10), of less than 2.5 microns/m3 (PM 2.5), CO, SO3 and O3 were obtained from the Metropolitan Environmental Service. Temperature, humidity and precipitations were obtained from the Chilean Meteorological Service. Results: Ninety nine consultations in out patient clinics and 442 in emergency rooms were collected (55% male, mean age 4.8 months). One hundred fifty two were admitted (34.4%). Thirty percent of children consulting in emergency rooms were younger than 3 months and 43% of them were hospitalized. The RSV study was made in 307 patients and 52% were positive. There was a higher rate of hospital admissions among RSV positive than RSV negative patients (52.5 and 22% respectively, p<0.001). No association between environmental variables or air pollution and the number of consultations was observed. Young age and smoking inside the household were the main risk factors for hospital admission due to acute bronchiolitis. Conclusions: Environmental variables did not influence the number of cases of acute brochiolitis. Young age and exposure to tobacco smoke were risk factors for hospital admission (Rev Méd Chile 2003; 131: 1117-22).
author	Zamorano W,Alejandra Márquez U,Sonia Aránguiz R,Juan Luis Bedregal G,Paula Sánchez D,Ignacio
author_facet	Zamorano W,Alejandra Márquez U,Sonia Aránguiz R,Juan Luis Bedregal G,Paula Sánchez D,Ignacio
author_sort	Zamorano W,Alejandra
title	Relación entre bronquiolitis aguda con factores climáticos y contaminación ambiental
title_short	Relación entre bronquiolitis aguda con factores climáticos y contaminación ambiental
title_full	Relación entre bronquiolitis aguda con factores climáticos y contaminación ambiental
title_fullStr	Relación entre bronquiolitis aguda con factores climáticos y contaminación ambiental
title_full_unstemmed	Relación entre bronquiolitis aguda con factores climáticos y contaminación ambiental
title_sort	relación entre bronquiolitis aguda con factores climáticos y contaminación ambiental
publisher	Sociedad Médica de Santiago
publishDate	2003
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872003001000003
work_keys_str_mv	AT zamoranowalejandra relacionentrebronquiolitisagudaconfactoresclimaticosycontaminacionambiental AT marquezusonia relacionentrebronquiolitisagudaconfactoresclimaticosycontaminacionambiental AT aranguizrjuanluis relacionentrebronquiolitisagudaconfactoresclimaticosycontaminacionambiental AT bedregalgpaula relacionentrebronquiolitisagudaconfactoresclimaticosycontaminacionambiental AT sanchezdignacio relacionentrebronquiolitisagudaconfactoresclimaticosycontaminacionambiental
_version_	1718436115164168192

Relación entre bronquiolitis aguda con factores climáticos y contaminación ambiental

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