Irreversible airway obstruction in childhood asthma? A clinician's viewpoint.

Abstract:

:Even though childhood asthma is assumed to comprise reversible airway obstruction, some children develop irreversible airway obstruction (not reversed by a bronchodilator or corticosteroids); this may be due to inflammation that has caused remodeling. Lately, it has been claimed that in the absence of treatment with inhaled corticosteroids, most patients will develop progressive irreversible obstruction. Several studies culminating with the Childhood Asthma Management Program (CAMP) study, which was the first randomized placebo-controlled prospective long-term study designed to test for irreversible obstruction, did not show the development of such progressive irreversible obstruction. Nevertheless, deterioration in pulmonary function does occur in some patients, probably due to inadequate anti-inflammatory treatment, and possibly also due to maintenance adrenergic treatment. Most previous studies concentrated on forced expiratory volume in 1 sec (FEV(1)), a test assessing mostly large airway obstruction. More studies are needed to investigate the presence of small airway obstruction.

journal_name

Pediatr Pulmonol

journal_title

Pediatric pulmonology

authors

König P

doi

10.1002/ppul.10090

subject

Has Abstract

pub_date

2002-04-01 00:00:00

pages

307-10

issue

4

eissn

8755-6863

issn

1099-0496

pii

10.1002/ppul.10090

journal_volume

33

pub_type

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