Abstract
What we know: The outcome of childhood asthma is dependent on the pattern of asthma through childhood. Episodic asthma in childhood tends to resolve in adolescence and through mid-adult years, with no impairment of lung function. Persistent asthma in childhood is more likely to persist into adult years, with modest impairment of lung function. The impairment of lung function occurs early in the disease process and is not progressive, despite continuing symptoms. What we need to know: Are there clearly identifiable phenotypes of childhood asthma that have different aetiologies, response to treatment, genotypes and natural history? Does early treatment with anti-inflammatory agents prevent impairment of lung function? Can an algorithm be developed to predict the likelihood of persistent asthma on first presentation?
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