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Childhood Asthma-Predictive Phenotype

The Journal of Allergy and Clinical Immunology In Practice
DOI: 10.1016/j.jaip.2014.09.010
  • Asthma Risk
  • Wheezing
  • Childhood Asthma
  • Asthma Phenotypes
  • Asthma Epidemiology Childhood
  • Biomarkers
  • Genetics
  • Review
  • Ecology
  • Geography


Wheezing is a fairly common symptom in early childhood, but only some of these toddlers will experience continued wheezing symptoms in later childhood. The definition of the asthma-predictive phenotype is in children with frequent, recurrent wheezing in early life who have risk factors associated with the continuation of asthma symptoms in later life. Several asthma-predictive phenotypes were developed retrospectively based on large, longitudinal cohort studies; however, it can be difficult to differentiate these phenotypes clinically as the expression of symptoms, and risk factors can change with time. Genetic, environmental, developmental, and host factors and their interactions may contribute to the development, severity, and persistence of the asthma phenotype over time. Key characteristics that distinguish the childhood asthma-predictive phenotype include the following: male sex; a history of wheezing, with lower respiratory tract infections; history of parental asthma; history of atopic dermatitis; eosinophilia; early sensitization to food or aeroallergens; or lower lung function in early life.

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