RESUMEN
OBJECTIVE: The factors - including asthma and rhinoconjunctivitis - which influence FeNO values in a general population of school children have been studied in order to know to what extent the variability of those values can be explained. METHODS: FeNO was measured in a population of 240 school children aged 6-12 years by means of a Niox-Mino™ device in a standardised way. Parents filled in an ISAAC-validated questionnaire of symptoms and environmental factors. Diagnoses were checked against clinical records. Height and weight were measured. A multivariate regression analysis including all variables in the questionnaire was performed, which was followed by two Xi stepwise tests in order to build a predictive model which included the main variables influencing FeNO values. RESULTS: Among the 240 children, 10 suffered from asthma, 16 from rhinoconjunctivitis and 15 from both conditions. FeNO values (GM±GSD) in children with rhinoconjunctivitis (19.61±1.20ppb), with asthma (18.62±1.32ppb), and with both conditions (17.62±1.19ppb) tended to be significantly higher than control children (11.42±1.04ppb), p=0.0016, p=0.08 and p=0.01, respectively. The different predictive models were able to explain only 20-27% of FeNO variability. CONCLUSIONS: The proportion of FeNO inter-individual variability which can be explained by individual (including suffering from asthma or rhinoconjunctivitis), family, and environmental factors is very low (20-27%). This could have implications on the usefulness of FeNO as a diagnostic tool in asthma.
Asunto(s)
Asma/diagnóstico , Conjuntivitis Alérgica/diagnóstico , Óxido Nítrico/análisis , Rinitis Alérgica/diagnóstico , Biomarcadores/análisis , Pruebas Respiratorias , Niño , Femenino , Humanos , Inflamación/diagnóstico , Masculino , Valor Predictivo de las Pruebas , España , Encuestas y CuestionariosRESUMEN
BACKGROUND: There is a conflictive position if some foods and Mediterranean diet (MedDiet) consumed by the mother during pregnancy and by the child during the first years of life can be protective for current wheezing, rhinitis and dermatitis at preschool age. METHODS: Questionnaires of epidemiological factors and food intake by the mother during pregnancy and later by the child were filled in by parents in two surveys at two different time points (1.5 yrs and 4 yrs of life) in 1000 preschoolers. RESULTS: The prevalences of current wheezing, rhinitis and dermatitis were 18.8%, 10.4%, and 17.2%, respectively. After multiple logistic analysis children who were low fruit consumers (never/occasionally) and high fast-food consumers (≥3 times/week) had a higher risk for current wheezing; while intermediate consumption of meat (1 or 2 times/week) and low of pasta by mothers in pregnancy were protected. For current rhinitis, low fruit consumer children were at higher risk; while those consuming meat <3 times/week were protected. For current dermatitis, high fast food consumption by mothers in pregnancy; and low or high consumption of fruit, and high of potatoes in children were associated to higher prevalence. Children consuming fast food >1 times/week were protected for dermatitis. MedDiet adherence by mother and child did not remain a protective factor for any outcome. CONCLUSION: Low consumption of fruits and high of meat by the child, and high consumption of potatoes and pasta by the mother had a negative effect on wheezing, rhinitis or dermatitis; while fast food consumption was inconsistent.
Asunto(s)
Dermatitis/epidemiología , Dieta Mediterránea , Ruidos Respiratorios , Rinitis/epidemiología , Adulto , Preescolar , Femenino , Alimentos , Humanos , Lactante , Masculino , Exposición Materna/efectos adversos , Persona de Mediana Edad , Exposición Paterna/efectos adversos , Embarazo , Prevalencia , Factores de Riesgo , Encuestas y CuestionariosRESUMEN
BACKGROUND: Associations found in time-series studies on hospital emergency room (ER) visits due to asthma and chronic obstructive pulmonary disease (COPD) with single air pollutants show some lack of consistency. The respiratory effects of aeroallergens in the air pollution mix are not well established. Non-linear relationships of different airborne pollen types with certain respiratory diseases have also been described. We aim to study the short-term effects of major air pollutants and aeroallergen pollen on asthma and COPD hospital ER visits in the industrial and Mediterranean Spanish city of Cartagena during 1995-1998. METHODS: The association of asthma and COPD to ER visits with mean levels of sulphur and nitrogen dioxides (SO(2) and NO(2)), total suspended particles (TSP), ozone (O(3)), and the main allergenic airborne pollen types were analysed using Poisson regression with Generalised Additive Models, taking into account delayed effects and adjusting for long-term trends, seasonality, weather conditions, holidays and flu notifications. RESULTS: Multipollutant models showed a similar relative risk (RR) increase (in %), of around 5% in asthma and COPD ER visits per 10 µg/m(3) SO(2) increments. The risk of an ER visit for the same NO(2) increment was 2.6% for asthma and 3.3% for COPD. Visits to the ER due to asthma showed a positive increase with both Urticaceae and Poaceae levels, but did not substantially modify the previous percentages. CONCLUSIONS: Air levels of SO(2) and NO(2) were associated with a substantial increased risk in ER visits due to asthma and COPD. The inclusion of Poaceae and Urticaceae pollen did not alter that association.
Asunto(s)
Contaminantes Atmosféricos/efectos adversos , Asma/epidemiología , Servicios Médicos de Urgencia/estadística & datos numéricos , Servicio de Urgencia en Hospital/estadística & datos numéricos , Polen/efectos adversos , Enfermedad Pulmonar Obstructiva Crónica/epidemiología , Alérgenos/efectos adversos , Alérgenos/inmunología , Humanos , Región Mediterránea , Dióxido de Nitrógeno/efectos adversos , Ozono/efectos adversos , Poaceae/efectos adversos , Polen/clasificación , Estaciones del Año , España , Dióxido de Azufre/efectos adversos , Población Urbana , Urticaceae/efectos adversosRESUMEN
BACKGROUND: There seems to be an association between paracetamol consumption during late pregnancy and the prevalence of wheezing in infancy and childhood. The aim of the present study is to determine whether the aforementioned association is modified by the presence of asthma in the mother. METHODS: A total of 1,741 children aged 3-5 years from an epidemiological survey performed in the province of Murcia (Spain) were included in the analysis. Data on paracetamol consumption (never, at least once during pregnancy or at least once per month during pregnancy), wheezing symptoms in the offspring (according to the International Study of Asthma and Allergies in Childhood protocol) and the presence of asthma in the mother, together with other known risk factors for asthma, were obtained by means of a questionnaire. RESULTS: The mean age of the children was 4.08 +/- 0.8 years and 51.1% were males. The overall prevalence of current wheezing was 20.2%. The frequency of paracetamol usage was similar among asthmatic and non-asthmatic mothers, and only a small proportion of them took this drug at least once a month (13.8% of asthmatics and 11.0% of non-asthmatics). Compared to the mothers who never took paracetamol, there was a significant association between the mother having taken paracetamol at least once per month during pregnancy and the offspring suffering from wheezing at preschool age, but only among non-asthmatic mothers (odds ratio 1.94, 95% confidence interval 1.34-2.79 vs. odds ratio 1.05, 95% confidence interval 0.21-5.08). This association was maintained after controlling for potential confounders (odds ratio 1.74, 95% confidence interval 1.15-2.61). CONCLUSIONS: The frequent usage of paracetamol during pregnancy is associated with the prevalence of wheezing in offspring during preschool years. Asthma in the mother might modify this association.
Asunto(s)
Acetaminofén/efectos adversos , Analgésicos no Narcóticos/efectos adversos , Asma/tratamiento farmacológico , Complicaciones del Embarazo/tratamiento farmacológico , Ruidos Respiratorios/etiología , Acetaminofén/administración & dosificación , Analgésicos no Narcóticos/administración & dosificación , Preescolar , Femenino , Humanos , Masculino , Madres , Embarazo , Prevalencia , España/epidemiología , Encuestas y CuestionariosRESUMEN
OBJECTIVE: To study the effect of seasons on the health-related quality of life (HRQL) of asthmatic children. METHODS: Four groups of asthmatic children 7 to 14 years old were recruited by pediatricians during each season of the year. Their HRQL was assessed by means of the Paediatric Asthma Quality of Life Questionnaire (PAQLQ). Other factors surveyed were asthma severity, atopy, medical treatment, immunotherapy, obesity, parental smoking, and anti-allergic measures. RESULTS: The mean (SD) overall PAQLQ score was highest in summer at 6.2 (1.0) and lowest in autumn at 5.5 (1.2). The same trend was found for domains in summer and autumn, respectively: symptoms, 6.2 (1.0) vs 5.4 (1.4); emotions, 6.5 (0.8) vs 6.0 (1.0); and activities, 5.9 (1.4) vs. 5.0 (1.5). Factors such as male gender (odds ratio [OR], 0.60; 95% confidence interval [CI], 0.41-0.87), being on immunotherapy (OR, 0.59; 95% CI, 0.38-0.92), living in an urban environment (OR, 0.56; 0.33-0.93), and residing on the northern coast of Spain along the Bay of Biscay (OR, 0.56; 0.36-0.89) were independent protective factors against having a total PAQLQ score in the lower tertile. Conversely, being recruited in a primary care setting (OR, 1.55; 1.01-2.38) and having more severe asthma were risks for being in the lower tertile. CONCLUSIONS: Irrespective of the severity of the disease, season has a significant influence on the HRQL of asthmatic children.
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Asma/complicaciones , Estado de Salud , Calidad de Vida , Estaciones del Año , Niño , Femenino , Humanos , Masculino , Servicio Ambulatorio en Hospital , Médicos , Características de la Residencia , Índice de Severidad de la Enfermedad , Factores Sexuales , EspañaRESUMEN
This work describes a new analytical method for the determination of four cobalamins (adenosylcobalamin (AdoCbl), methylcobalamin (MeCbl), hydroxocobalamin (OHCbl) and cyanocobalamin (CNCbl)) in cow's milk. The extraction procedure is fast and based on dilution/protein precipitation of a milk sample with 50mM sodium acetate buffer (pH 4.6), followed by solid phase extraction (SPE) of the filtered supernatant. Relative recoveries higher than 60% have been obtained for all the cobalamins by combining two different types of sorbents in the same SPE cartridge: two disks of buckypaper (BP), a nanoporous felt composed of oxidized multiwalled carbon nanotubes (MWCNTs), separated by a Teflon frit from OASIS HLB (500mg), a hydrophilic-lipophilic balance copolymer. Before its use as sorbent, BP was characterized in terms of porosity, permeability, surface area, specific adsorption capacity and tested for a potential reuse after adequate chemical regeneration. The analysis of the extracts was performed by liquid chromatography (LC) coupled to tandem mass spectrometry (MS/MS) on an analytical C18 column in less than 10min. After validation, the method was applied to the determination of the natural content of the four B12 homologues in cow's milk samples, providing data lacking in the literature.
Asunto(s)
Análisis de los Alimentos/métodos , Leche/química , Nanotubos de Carbono/química , Extracción en Fase Sólida/instrumentación , Vitamina B 12/aislamiento & purificación , Adsorción , Animales , Bovinos , Cromatografía Liquida , Análisis de los Alimentos/instrumentación , Polímeros/química , Espectrometría de Masas en Tándem/métodosRESUMEN
INTRODUCTION: Febrile seizures are one of the most frequent reasons why patients visit the healthcare specialist. Up until now, patients with complex febrile seizures (CFS) have been hospitalised, bearing in mind the higher percentages of epilepsy and acute complications that were classically reported. Today there are studies that back the idea of being less invasive in the management of these patients. AIMS. To describe the characteristics of patients hospitalised due to CFS and to propose a new protocol to be followed in dealing with such cases. PATIENTS AND METHODS: The medical records of patients hospitalised because of CFS (January 2010-December 2013) were analysed retrospectively. Epidemiological and clinical data are presented, together with information from complementary tests and about development. RESULTS: CFS account for 4.2% of all neuropaediatric cases of admittance to hospital in (67 patients). Mean age at the time of the event: 25 months. A pathological family history existed in 47% of cases, and 31% had a previous personal history of febrile seizures. The CFS lasted less than five minutes in 54% of patients; there were also recurrences, most of them with a total of two crises and during the first day (CFS due to recurrence are the most frequent). None of the complementary tests that were carried out were of any use as a diagnostic aid during the acute phase. During their follow-up, five patients presented complications. Patients with a family history of febrile seizures presented a higher risk of epilepsy or recurrence (p = 0.02), with no significant differences as regards age, number of seizures, febrile interval, epileptic status or type of CFS. CONCLUSIONS: The CFS are not associated with greater acute complications, and the complementary examinations do not allow high-risk patients to be distinguished at an early stage. Hospitalising them could be avoided in the absence of other clinical signs and symptoms, and thus be limited to selected cases.
TITLE: Crisis febriles complejas: debemos cambiar nuestro modo de actuacion?Introduccion. Las convulsiones febriles son una de las causas mas frecuentes de consulta. Hasta ahora, los pacientes con convulsiones febriles complejas (CFC) deben ingresar, dado el mayor porcentaje de epilepsia y complicaciones agudas descrito clasicamente. En la actualidad hay estudios que apoyan ser menos invasivos en el abordaje de estos pacientes. Objetivo. Describir las caracteristicas de los pacientes ingresados por CFC y proponer un nuevo protocolo de actuacion. Pacientes y metodos. Analisis retrospectivo de historias clinicas de ingresados por CFC (enero de 2010-diciembre de 2013). Se ofrecen datos epidemiologicos, clinicos, pruebas complementarias y evolucion. Resultados. Las CFC suponian un 4,2% de los ingresos de neuropediatria (n = 67). Edad media al evento: 25 meses. El 47% tenia antecedentes familiares patologicos, y el 31%, antecedentes personales de convulsion febril previa. En el 54% de los pacientes, la CFC duro menos de cinco minutos; hubo recurrencia, la mayoria con un total de dos crisis y durante el primer dia (las CFC por recurrencia son las mas frecuentes). De las pruebas complementarias realizadas, ninguna de ellas sirvio como apoyo diagnostico en el momento agudo. Durante su seguimiento, cinco pacientes presentaron complicaciones. Los pacientes con antecedentes familiares de convulsiones febriles presentan mayor riesgo de epilepsia o recurrencia (p = 0,02), sin diferencias significativas respecto a la edad, numero de crisis, intervalo de fiebre, estado epileptico o tipo de CFC. Conclusiones. Las CFC no asocian mayores complicaciones agudas; las exploraciones complementarias no permiten discriminar precozmente a los pacientes de riesgo. Su ingreso podria evitarse en ausencia de otros signos clinicos y limitarse a casos seleccionados.
Asunto(s)
Convulsiones Febriles/terapia , Antiinfecciosos , Anticonvulsivantes/uso terapéutico , Niño , Preescolar , Protocolos Clínicos , Manejo de la Enfermedad , Electroencefalografía , Femenino , Humanos , Lactante , Infecciones/complicaciones , Infecciones/diagnóstico , Infecciones/tratamiento farmacológico , Masculino , Neuroimagen , Pronóstico , Recurrencia , Estudios Retrospectivos , Factores de Riesgo , Convulsiones Febriles/tratamiento farmacológico , Convulsiones Febriles/epidemiología , Convulsiones Febriles/etiología , Punción EspinalRESUMEN
Mutations in the PARK2 gene are associated with an autosomal recessive form of juvenile parkinsonism (AR-JP). These mutations affect parkin solubility and impair its E3 ligase activity, leading to a toxic accumulation of proteins within susceptible neurons that results in a slow but progressive neuronal degeneration and cell death. Here, we report that RTP801/REDD1, a pro-apoptotic negative regulator of survival kinases mTOR and Akt, is one of such parkin substrates. We observed that parkin knockdown elevated RTP801 in sympathetic neurons and neuronal PC12 cells, whereas ectopic parkin enhanced RTP801 poly-ubiquitination and proteasomal degradation. In parkin knockout mouse brains and in human fibroblasts from AR-JP patients with parkin mutations, RTP801 levels were elevated. Moreover, in human postmortem PD brains with mutated parkin, nigral neurons were highly positive for RTP801. Further consistent with the idea that RTP801 is a substrate for parkin, the two endogenous proteins interacted in reciprocal co-immunoprecipitates of cell lysates. A potential physiological role for parkin-mediated RTP801 degradation is indicated by observations that parkin protects neuronal cells from death caused by RTP801 overexpression by mediating its degradation, whereas parkin knockdown exacerbates such death. Similarly, parkin knockdown enhanced RTP801 induction in neuronal cells exposed to the Parkinson's disease mimetic 6-hydroxydopamine and increased sensitivity to this toxin. This response to parkin loss of function appeared to be mediated by RTP801 as it was abolished by RTP801 knockdown. Taken together these results indicate that RTP801 is a novel parkin substrate that may contribute to neurodegeneration caused by loss of parkin expression or activity.
Asunto(s)
Proteínas Represoras/metabolismo , Ubiquitina-Proteína Ligasas/metabolismo , Animales , Apoptosis/efectos de los fármacos , Encéfalo/metabolismo , Células HEK293 , Humanos , Leupeptinas/farmacología , Ratones , Ratones Noqueados , Neuronas/metabolismo , Oxidopamina/toxicidad , Células PC12 , Enfermedad de Parkinson/metabolismo , Enfermedad de Parkinson/patología , Complejo de la Endopetidasa Proteasomal/química , Complejo de la Endopetidasa Proteasomal/metabolismo , Unión Proteica , Proteolisis/efectos de los fármacos , ARN Interferente Pequeño/metabolismo , Ratas , Proteínas Represoras/antagonistas & inhibidores , Proteínas Represoras/genética , Factores de Transcripción , Ubiquitina-Proteína Ligasas/antagonistas & inhibidores , Ubiquitina-Proteína Ligasas/genética , UbiquitinaciónRESUMEN
BACKGROUND: The relationship between parent-reported and measured height and weight is not well established in schoolchildren. This relationship has never been studied in asthmatic children. The objective of this study is to test the validity of the parent-reported weight and height for defining obesity by BMI and to know whether the perception of this height and weight changes when the child suffers from asthma. METHODS: All classes of children of the target ages of 6-8 years (n = 1,672, participation rate 70.2%) of all schools in four municipalities of Murcia (Spain) were included. Parents were asked about their children's weight and height using a questionnaire which included the International Study of Asthma and Allergies in Childhood (ISAAC) core questions on asthma. Parents were not aware that their children were going to be weighed and measured within 1 week's time. Measurements were performed using a rigid stadiometer to the nearest 0.1 cm and a scale to the nearest 0.1 kg. RESULTS: The bias (reported minus real) was, respectively, for nonasthmatics and asthmatics: weight +0.42 kg (95% CI +0.24; +0.59 kg) versus +0.97 kg (+0.50; +1.44 kg), height +2.37 cm (+2.06; +2.68 cm) versus +2.87 cm (+1.87; +3.87 cm); BMI -0.39 kg/m(2) (-0.52; -0.23 kg/m(2)) versus -0.23 kg/m(2) (-0.58; +0.13 kg/m(2)). Diagnostic accuracy of obesity calculated from reported measurements was, respectively, for nonasthmatics and asthmatics: sensitivity 78.0 versus 77.8%, specificity 96.2 versus 94.5%, positive predictive value 77.2 versus 73.7% and negative predictive value 96.4 versus 91.7%. CONCLUSIONS: Reported weights and heights had large biases, comparable between parents of both asthmatic and those of nonasthmatic children. However, this information could be reasonably valid for classifying children as obese or nonobese in large epidemiological studies.
Asunto(s)
Asma/complicaciones , Índice de Masa Corporal , Obesidad/epidemiología , Relaciones Padres-Hijo , Padres/psicología , Estatura , Peso Corporal , Niño , Femenino , Humanos , Masculino , Obesidad/complicaciones , Obesidad/diagnósticoRESUMEN
OBJECTIVE: The factors including asthma and rhinoconjunctivitis - which influence FeNO values in a general population of school children have been studied in order to know to what extent the variability of those values can be explained. METHODS: FeNO was measured in a population of 240 school children aged 6-12 years by means of a Niox-Mino(TM) device in a standardised way. Parents filled in an ISAAC-validated questionnaire of symptoms and environmental factors. Diagnoses were checked against clinical records. Height and weight were measured. A multivariate regression analysis including all variables in the questionnaire was performed, which was followed by two Xi stepwise tests in order to build a predictive model which included the main variables influencing FeNO values. RESULTS: Among the 240 children, 10 suffered from asthma, 16 from rhinoconjunctivitis and 15 from both conditions. FeNO values (GM ± GSD) in children with rhinoconjunctivitis (19.61 ± 1.20 ppb), with asthma (18.62 ± 1.32 ppb), and with both conditions (17.62 ± 1.19 ppb) tended to be significantly higher than control children (11.42 ± 1.04 ppb), p = 0.0016, p = 0.08 and p = 0.01, respectively. The different predictive models were able to explain only 20-27% of FeNO variability. CONCLUSIONS: The proportion of FeNO inter-individual variability which can be explained by individual (including suffering from asthma or rhinoconjunctivitis), family, and environmental factors is very low (20-27%). This could have implications on the usefulness of FeNO as a diagnostic tool in asthma
No disponible
Asunto(s)
Humanos , Masculino , Femenino , Niño , Adolescente , Asma/diagnóstico , Asma/patología , Asma/epidemiología , Óxido Nítrico/metabolismo , Óxido Nítrico/farmacología , Óxido Nítrico/uso terapéutico , Rinitis Alérgica/diagnóstico , Rinitis Alérgica/patología , Rinitis Alérgica/terapia , Niño , Infecciones del Sistema Respiratorio/diagnóstico , Infecciones del Sistema Respiratorio/prevención & control , Infecciones del Sistema Respiratorio/terapia , Exposición a Riesgos Ambientales/efectos adversos , Exposición a Riesgos Ambientales/análisis , Exposición a Riesgos Ambientales/prevención & control , Biomarcadores/análisis , Biomarcadores/metabolismo , Encuestas y CuestionariosRESUMEN
BACKGROUND: There is a conflictive position if some foods and Mediterranean diet (MedDiet) consumed by the mother during pregnancy and by the child during the first years of life can be protective for current wheezing, rhinitis and dermatitis at preschool age. METHODS: Questionnaires of epidemiological factors and food intake by the mother during pregnancy and later by the child were filled in by parents in two surveys at two different time points (1.5 yrs and 4 yrs of life) in 1000 preschoolers. RESULTS: The prevalences of current wheezing, rhinitis and dermatitis were 18.8%, 10.4%, and 17.2%, respectively. After multiple logistic analysis children who were low fruit consumers (never/occasionally) and high fast-food consumers (≥3 times/week) had a higher risk for current wheezing; while intermediate consumption of meat (1 or 2 times/week) and low of pasta by mothers in pregnancy were protected. For current rhinitis, low fruit consumer children were at higher risk; while those consuming meat <3 times/week were protected. For current dermatitis, high fast food consumption by mothers in pregnancy; and low or high consumption of fruit, and high of potatoes in children were associated to higher prevalence. Children consuming fast food >1 times/week were protected for dermatitis. MedDiet adherence by mother and child did not remain a protective factor for any outcome. CONCLUSION: Low consumption of fruits and high of meat by the child, and high consumption of potatoes and pasta by the mother had a negative effect on wheezing, rhinitis or dermatitis; while fast food consumption was inconsistent
No disponible
Asunto(s)
Humanos , Masculino , Femenino , Embarazo , Preescolar , Adulto , Ruidos Respiratorios/diagnóstico , Ruidos Respiratorios/inmunología , Dieta Mediterránea/efectos adversos , Rinitis/complicaciones , Rinitis/inmunología , Dermatitis/complicaciones , Dermatitis/inmunología , Asma/complicaciones , Asma/epidemiología , Factores de Riesgo , Hipersensibilidad a los Alimentos/complicaciones , Hipersensibilidad a los Alimentos/epidemiología , Hipersensibilidad a los Alimentos/inmunología , Hipersensibilidad/inmunología , Encuestas y Cuestionarios , Análisis MultivarianteRESUMEN
Background: Associations found in time-series studies on hospital emergency room (ER) visits due to asthma and chronic obstructive pulmonary disease (COPD) with single air pollutants show some lack of consistency. The respiratory effects of aeroallergens in the air pollution mix are not well established. Non-linear relationships of different airborne pollen types with certain respiratory diseases have also been described. We aim to study the short-term effects of major air pollutants and aeroallergen pollen on asthma and COPD hospital ER visits in the industrial and Mediterranean Spanish city of Cartagena during1995-1998. Methods: The association of asthma and COPD to ER visits with mean levels of sulphur and nitrogen dioxides (SO2 and NO2), total suspended particles (TSP), ozone (O3), and the main allergenic airborne pollen types were analysed using Poisson regression with Generalised Additive Models, taking into account delayed effects and adjusting for long-term trends, seasonality, weather conditions, holidays and flu notifications. Results: Multipollutant models showed a similar relative risk (RR) increase (in %), of around 5% in asthma and COPD ER visits per 10 microg/m3 SO2 increments. The risk of an ER visit for the sameNO2 increment was 2.6% for asthma and 3.3% for COPD. Visits to the ER due to asthma showed a positive increase with both Urticaceae and Poaceae levels, but did not substantially modify the previous percentages(AU)
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Humanos , Asma/etiología , Contaminación Ambiental/efectos adversos , Polen/efectos adversos , Antígenos de Plantas/efectos adversos , Enfermedad Pulmonar Obstructiva Crónica/complicaciones , Servicios Médicos de Urgencia/estadística & datos numéricos , Tratamiento de Urgencia/estadística & datos numéricos , Factores de RiesgoRESUMEN
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