Viral Infections and Wheezing in Preschool Children

Alexa M A Doss1, Jeffrey R Stokes1

  • 1Division of Pediatric Allergy, Immunology, and Pulmonary Medicine, St. Louis Children's Hospital, St Louis, MO, USA.

Insights

Childhood wheezing is common, but asthma develops in a small percentage. Wheezing phenotypes and predictive indices aid in early asthma diagnosis, with various treatments available.

Area of Science:

  • Pediatrics
  • Pulmonology
  • Epidemiology

Background:

  • Childhood wheezing is a frequent condition, yet most children do not progress to asthma.
  • Identifying children at risk for persistent asthma is crucial for timely intervention.
  • Viral respiratory infections are primary triggers for wheezing episodes in young children.

Purpose of the Study:

  • To review the predictive value of wheezing phenotypes and asthma predictive indices in childhood.
  • To discuss the role of common viral infections in pediatric wheezing.
  • To outline current treatment strategies for childhood wheezing.

Main Methods:

  • Literature review of pediatric wheezing, asthma prediction, viral triggers, and treatment modalities.
  • Analysis of existing data on wheezing phenotypes and asthma predictive indices.
  • Synthesis of information on respiratory syncytial virus and rhinovirus in wheezing.

Main Results:

  • Wheezing phenotypes and validated asthma predictive indices demonstrate utility in identifying children likely to develop asthma.
  • Respiratory syncytial virus (RSV) and rhinovirus are the predominant viral causes of acute wheezing episodes.
  • Effective treatment options are available for both persistent and virus-induced intermittent wheezing in children.

Conclusions:

  • Early identification of asthma risk through phenotype and index assessment is key.
  • Understanding viral etiologies informs management of acute wheezing.
  • Comprehensive treatment approaches can manage diverse pediatric wheezing conditions.

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