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1.
Colomb. med ; 53(2): e2025086, Jan.-June 2022. tab
Article in English | LILACS-Express | LILACS | ID: biblio-1404386

ABSTRACT

Abstract Background: Although several epidemiological studies of asthma have been carried out in Ecuador in the last two decades, none of these has estimated the prevalence of asthma in adult populations. Objective: To estimate the prevalence of asthma symptoms in adults in the city of Quito and to identify possible associated factors. Methods: A cross-sectional study was conducted on subjects older than 18 years residing in the Metropolitan District of Quito. The Global Asthma Network (GAN) questionnaire was applied to collect information on asthma symptoms and sociodemographic and lifestyle data. Bivariate and multivariate analyses with logistic regression were used to identify asthma-related factors. Results: 2,476 subjects answered the questionnaire (80.9% women, mean age 40 years). The prevalence of wheezing in the last 12 months, asthma ever, and asthma diagnosed by a doctor were 6.3%, 1.9% and 1.6%, respectively. The prevalence of rhinitis ever and eczema ever was 13.7% and 5.5%. The presence of mould at home (OR: 2.13; 95% CI: 1.48 -3.06; p <0.001), cat at home (OR: 1.06; 95% CI: 1.06 -2.13; p <0.022) and rhinitis at some time (OR: 3.65; 95% CI: 2.53 - 5.29; p <0.022) were associated with the presence of wheezing in the last 12 months. Conclusions: Our study shows that, compared to other cities in Latin America, the prevalence of asthma in adults in Quito is relatively low. Along with the presence of rhinitis, factors related to housing quality are closely linked to the occurrence of asthma in adult populations.


Resumen Antecedentes: Aunque en el Ecuador se han realizado varios estudios epidemiológicos de asma en las dos últimas décadas, ninguno de estos ha estimado la prevalencia de asma en poblaciones adultas. Objetivo: Estimar la prevalencia de síntomas de asma en adultos en Quito e identificar posibles factores asociados. Métodos: Se realizó un estudio transversal en sujetos mayores a 18 años residentes en la ciudad de Quito-Ecuador. Se aplicó el cuestionario Global Asthma Network para recolectar información sobre síntomas de asma y datos sociodemográficas y de estilo de vida. Para la identificación de factores asociados con asma se utilizó análisis bivariados y multivariados con regresión logística. Resultados: Un total de 2,476 sujetos respondieron el cuestionario (80.9% mujeres, edad media 40 años). La prevalencia de sibilancias en los últimos 12 meses, asma alguna vez y asma diagnosticado por un médico fue de 6.3%; 1.9% y 1.6%, respectivamente. La prevalencia de rinitis y eczema alguna vez fue de 13.7% y 5.5%. La presencia de moho en el hogar (OR: 2.13; 95% IC: 1.48-3.06; p <0.001), gato en casa (OR: 1.06; 95% IC: 1.06-2.13; p <0.022) y rinitis alguna vez (OR: 3.65; 95% IC: 2.53-5.29; p <0.022) estaban asociados con la presencia de sibilancias en los últimos 12 meses. Conclusiones: Nuestro estudio muestra que, en comparación con otras ciudades de América Latina, la prevalencia de asma en adultos en Quito es relativamente baja. Junto con la presencia de rinitis, factores relacionados con la calidad de la vivienda están estrechamente ligados con la ocurrencia de asma en poblaciones adultas.

2.
Rev. am. med. respir ; 15(4): 306-313, dic. 2015. ilus, tab
Article in Spanish | LILACS | ID: biblio-842943

ABSTRACT

Introducción: Las erupciones volcánicas tienen diversos impactos sobre la salud de la población expuesta y el sistema respiratorio es uno de los más afectados debido a la inhalación de los productos volatilizados. Estudios experimentales en ratones demostraron que la exposición crónica a ceniza volcánica de la erupción del complejo Puyehue-Caulle se asoció con respuesta inflamatoria de la vía aérea. A la fecha, no se ha reportado el impacto sobre la salud respiratoria de los niños expuestos a este evento. Objetivo: Determinar la prevalencia de síntomas de asma en niños 2 años después de la erupción del complejo Puyehue-Caulle. Materiales y Métodos: Se realizó un estudio de corte transversal en niños de 13 y 14 años asistentes a 11 colegios secundarios de la Ciudad de San Carlos de Bariloche, Rio Negro. Se encuestaron usando los cuestionarios ISAAC, y se realizaron mediciones de espirometría y monóxido de carbono en aire espirado a cada uno de los sujetos. Resultados: Se encuestaron 303 sujetos, 56% fueron varones y 47% asistían a escuelas del sector público. El 12,8 % reportaron ser fumadores activos. El cuestionario ISAAC más video-cuestionario reportó 27% de sibilancias alguna vez en la vida y 14% de sibilancias en el último año. El análisis de las espirometrías mostró 1% de la muestra con patrón obstructivo. Conclusiones: En una muestra de niños residentes de una ciudad con alto nivel de exposición a ceniza volcánica se observó una alta prevalencia de síntomas de asma, los mismos fueron significativamente más prevalentes que en estudio previo realizado en esa ciudad.


Background: Volcanic eruptions have different health impacts on exposed population and the respiratory system is one of the most affected due to the inhalation of volatilized products. Experimental studies in guinea pigs showed that chronic exposure to volcanic ash from the eruption of the Puyehue-Caulle complex is associated with inflammatory airway response. To date, it has not been reported respiratory health impact of children exposed to this. Objective: To determine children´s asthma symptoms prevalence 2 years after Puyehue-Caulle complex´s eruption. Methods: Cross-sectional study was conducted among 13 and 14 years old children attending 11 secondary schools in San Carlos de Bariloche City, Rio Negro. They were surveyed with ISAAC´s questionnaires and spirometry and carbon monoxide in exhaled air measurements were performed to each subject. Results: 303 subjects were surveyed, 56% were male and 47% belonged to public schools. 12,8% were active tobacco smokers, 27% had wheezing sometime in the life and 14% had wheezes in the last year (based on ISAAC questionnaire). Only 1% of the spirometry had airway obstruction. Conclusions: The prevalence of last year asthma symptoms increased compared with a previous study.


Subject(s)
Respiratory Tract Diseases , Asthma
3.
Rev. bras. epidemiol ; 13(1): 49-57, Mar. 2010. mapas, tab
Article in English, Portuguese | LILACS | ID: lil-543628

ABSTRACT

Objetivo: Analisar a prevalência e os sintomas relacionados à asma em escolares e adolescentes residentes em Alta Floresta, Mato Grosso. Método: Estudo transversal de base populacional da prevalência de asma em escolares de 6 e 7 anos de idade e adolescentes de 13 e 14 anos do município de Alta Floresta, MT, no ano de 2007. Foi utilizado o método padronizado do Study of Asthma and Allergies in Childhood - ISAAC, fase I, considerando como asmáticos aqueles estudantes que responderam afirmativamente à questão 2 - "presença de sibilos nos últimos 12 meses". RESULTADOS: Participaram da pesquisa 2.071 estudantes, dos quais 1.072 eram escolares (51,7 por cento) e 999 adolescentes (48,3 por cento). A prevalência de asma entre os escolares foi de 21,4 por cento, enquanto entre os adolescentes foi 12,4 por cento (χ2 = 29,29; ρ = 0,00). Os escolares apresentaram maior prevalência dos seguintes sintomas: sibilos alguma vez na vida (49,9 por cento), sibilos nos últimos 12 meses (21,4 por cento), de 1 a 3 crises de sibilos (16,4 por cento) e tosse seca noturna (38,2 por cento). Para diagnóstico médico de asma não houve diferença entre os dois grupos, situando-se em torno de 6,0 por cento. Os escolares do gênero masculino apresentaram maior prevalência de asma, asma diagnosticada por médico e freqüência de sibilos maior ou igual a 4 vezes nos últimos 12 meses (ρ < 0,05). Os adolescentes do gênero masculino apresentaram maior prevalência de sibilo forte dificultando a fala (ρ < 0,05). Conclusão: Alta Floresta está entre os municípios brasileiros com uma das maiores prevalências de asma da América Latina entre escolares na faixa etária de 6 e 7 anos de idade.


Objective: To analyze the prevalence and symptoms of asthma in students of the Brazilian Amazon municipality of Alta Floresta-MT. Methods: Cross-sectional study on the prevalence of asthma in 6 and 7 year-old children and 13 to 14 year-old adolescents, using the Study of Asthma and Allergies in Childhood - ISAAC method, phase I in 2007. Students who answered affirmatively question 2 - "presence of wheezing in the past 12 months" were considered asthmatic. Results: Of the total 2,071 students, 1,072 (51.7 percent) were children and 999 (48.3 percent) were teenagers. The prevalence of asthma was 21.4 percent among schoolchildren, and 12.4 percent among adolescents (χ2 = 29.29; ρ = 0.00). Children presented a higher prevalence than adolescents of the following asthma symptoms: wheezing sometime in life (49.9 percent), wheezing in the past 12 months (21.4 percent), 1 to 3 wheezing attacks in the past 12 months (16.4 percent), and dry cough at night (38.2 percent). Regarding physician-diagnosed asthma, no difference was observed between the two age groups, with a prevalence of around 6.0 percent. Male schoolchildren presented a higher prevalence of asthma, physician-diagnosed asthma and four or more wheezing episodes in the past 12 months (ρ < 0.05). Male adolescents presented the highest prevalence of strong wheezing affecting speech (ρ < 0.05). Conclusion: Alta Floresta presents one of the highest prevalences of asthma in Latin America among schoolchildren in the 6 and 7 year-old age group.


Subject(s)
Adolescent , Child , Female , Humans , Male , Asthma/diagnosis , Asthma/epidemiology , Brazil , Cross-Sectional Studies , Prevalence , Surveys and Questionnaires
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