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Pulmonary function and symptoms in asthmatics adolescents


Asthma is a chronic inflammatory disease that may impose limitations to daily activities when not appropriately treated. It can be under-diagnosed in adolescents due to possible denial of symptoms in this age group or low perception of airflow obstruction. The aim of this study was to measure the degree of airway dysfunction in adolescents with asthma and determine the degree of disease control.


Asthmatic adolescents were identified in schools of Aracaju –Sergipe, based on the ISAAC questionnaire administered in 2012/2013. During the visits, spirometry was performed and the degree of disease control was evaluated through of specific questionnaire.


64 adolescents with asthma were identified, and 50 of them were interviewed. Spirometry was performed in 44 students. Most were from private schools, aged 12-14 years. Nineteen adolescents (38%) denied any manifestation of active asthma. Of the 44 patients who underwent spirometry, 29 (65%) reported symptoms of the disease and 19 (43%) had FEV1/FVC <0.80. Of these, 6 (31.6%) had no symptoms.


Despite the trend towards higher frequencies of clinical manifestations in adolescents with airway obstruction, it is still possible to identify a percentage of asymptomatic adolescents in this group.

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Correspondence to Vitor Joaquim Barreto Fontes.

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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver ( applies to the data made available in this article, unless otherwise stated.

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Fontes, V.J.B., Simões, S.D.M., De Andrade, B.B.F. et al. Pulmonary function and symptoms in asthmatics adolescents. World Allergy Organ J 8, A266 (2015).

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