Effect of early versus late intervention with inhaled corticosteroids on airway wall thickness in patients with asthma

Respirology : Official Journal of the Asian Pacific Society of Respirology
Kazuyoshi KurashimaYutaka Sugita

Abstract

The aim of this study was to determine whether early versus late initiation of long-term inhaled corticosteroid (ICS) therapy decreases airway wall thickness in patients with asthma. One hundred and eighty-one patients with asthma not previously treated with ICS were given inhaled budesonide for 1 year. These patients were divided into five groups according to the duration of their asthma symptoms, which ranged from less than 1 year to more than 10 years. High-resolution CT images and post-bronchodilator FEV1 were examined before and 1 year after treatment. Before treatment, airway wall thickness was increased relative to the duration of asthma. Disease severity improved with ICS treatment even in patients who had suffered asthma symptoms for more than 10 years. Post ICS treatment, airway wall thickness decreased in patients with a duration of symptoms less than 3 years, and a minor response was seen in patients with a duration of symptoms from 3 to 5 years. However, there was no change in airway wall thickness in patients who had suffered asthma for more than 5 years. Post-bronchodilator FEV1 improved only in patients who had suffered asthma for less than 3 years. ICS therapy may improve asthma control in all asthma patients d...Continue Reading

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Citations

Nov 25, 2011·Current Opinion in Pulmonary Medicine·Carolina WalkerChristopher E Brightling
Jan 6, 2012·International Journal of Otolaryngology·Gustavo NinoMichael Schwartz
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Aug 9, 2011·Respiratory Medicine·Jessica A KermodeCheryl M Salome

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