Symptoms, but Not a Biomarker Response to Inhaled Corticosteroids, Predict Asthma in Preschool Children with Recurrent WheezeReportar como inadecuado




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Mediators of InflammationVolume 2012 2012, Article ID 162571, 7 pages

Research Article

Department of Paediatric Pulmonology, School for Public Health and Primary Care CAPHRI, Maastricht University Medical Centre MUMC, P.O. Box 5800, 6202 AZ Maastricht, The Netherlands

Department of General Practice, CAPHRI, MUMC, P.O. Box 5800, 6202 AZ Maastricht, The Netherlands

Department of Medical Microbiology and Immunology, Sint Antonius Hospital, P.O. Box 2500, 3430 EM Nieuwegein, The Netherlands

Department of Sciences, Roosevelt Academy, P.O. Box 94, 4330 AB Middelburg, The Netherlands

Received 10 July 2012; Revised 14 November 2012; Accepted 15 November 2012

Academic Editor: Dirk Holzinger

Copyright © 2012 E. M. M. Klaassen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Background. A reliable asthma diagnosis is challenging in preschool wheezing children. As inhaled corticosteroids ICS are more effective in asthmatics than in children with transient wheeze, an ICS response might be helpful in early asthma diagnosis. Methods. 175 children aged two–four years with recurrent wheeze received 200 μg Beclomethasone extra-fine daily for eight weeks. Changes in Exhaled Breath Condensate EBC biomarkers pH, interleukin IL-1α, IL-2, IL-4, IL-5, IL-10, IFN-γ, sICAM, and CCL-11, Fractional exhaled Nitric Oxide FeNO, airway resistance, and symptoms were assessed. At six years of age a child was diagnosed as transient wheezer or asthmatic. Adjusted logistic regression analysis was performed with multiple testing correction. Results. 106 transient wheezers and 64 asthmatics were analysed at six years of age. Neither changes in EBC biomarkers, nor FeNO, airway resistance, or symptoms during ICS trial at preschool age were related to asthma diagnosis at six years of age. However, asthmatics had more airway symptoms before the start of the ICS trial than transient wheezers . Discussion. Although symptom score in preschool wheezing children at baseline was associated with asthma at six years of age, EBC biomarkers, airway resistance, or symptom response to ICS at preschool age could not predict asthma diagnosis at six years of age.





Autor: E. M. M. Klaassen, K. D. G. van de Kant, Q. Jöbsis, S. T. P. Høvig, C. P. van Schayck, G. T. Rijkers, and E. Dompeling

Fuente: https://www.hindawi.com/



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