Recurrent wheezing in the first three years of life: short-term prognosis and risk factors

Umit Murat Sahiner1, Betul Buyuktiryaki, Ozlem Cavkaytar

  • 1Pediatric Allergy and Asthma Department, School of Medicine, Hacettepe University, Ankara, Turkey.

Insights

Recurrent wheezing in young children often persists, with maternal smoking and severe episodes being key risk factors. A negative asthma predictive index (API) indicates a faster recovery from wheezing symptoms.

Area of Science:

  • Pediatric Pulmonology
  • Allergy and Immunology
  • Epidemiology

Background:

  • Recurrent wheezing in preschool children presents diagnostic challenges, making it difficult to predict future asthma development.
  • Early-life wheezing episodes require careful evaluation to understand their long-term prognosis.

Purpose of the Study:

  • To investigate the long-term prognosis of recurrent wheezing in children from the first three years of life.
  • To identify significant risk factors associated with the persistence of wheezing symptoms.

Main Methods:

  • A cohort of 529 children with recurrent wheezing in early childhood was followed for four years.
  • Asthma presence was evaluated, and remission was defined as 12 months without symptoms.
  • The stringent asthma predictive index (API) and other risk factors were analyzed for their impact on wheezing duration.

Main Results:

  • Only 14.4% of children achieved remission within 36 months.
  • A negative API was significantly associated with a shorter duration of wheezing (p = .036).
  • Maternal smoking during pregnancy (OR=4.35) and emergency room admissions (OR=1.10) were independent risk factors for persistent wheezing.

Conclusions:

  • Persistent symptomatic wheezing is common in children referred for this condition.
  • Maternal smoking during pregnancy and wheezing severity are significant predictors of prolonged symptoms.
  • A negative API suggests a more favorable prognosis for wheezing resolution.
Abstract

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