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Recurrent wheezy bronchitis and viral respiratory infections
J Mertsola1, T Ziegler, O Ruuskanen
1Department of Paediatrics, Turku University Hospital, Finland.
Archives of Disease in Childhood
|January 1, 1991
Summary
Recurrent wheezing in young children is linked to viral respiratory infections, parental smoking, and having multiple siblings. These factors increase the risk and duration of wheezing episodes.
Area of Science:
- Pediatric Pulmonology
- Infectious Diseases
- Environmental Health
Background:
- Recurrent wheezing is a common issue in young children.
- Viral respiratory infections are frequently implicated in pediatric respiratory illnesses.
Purpose of the Study:
- To investigate the association between viral respiratory infections and wheezing episodes in children.
- To identify risk factors contributing to wheezing in young patients.
Main Methods:
- Prospective follow-up of 54 children (aged 1-6 years) with recurrent wheezy bronchitis over three months.
- Diagnosis of viral or Mycoplasma pneumoniae infections during episodes of respiratory symptoms.
Main Results:
- Viral infections were diagnosed in 45% of 115 respiratory episodes, with rhinoviruses being common.
- Wheezing occurred in 66% of episodes, often requiring hospitalization for severe dyspnea.
- Wheezing incidence was associated with parental smoking and having more than one sibling, but not with atopy or fever.
Conclusions:
- Viral respiratory infections are a significant trigger for wheezing in susceptible children.
- Environmental factors like parental smoking and family size play a role in the occurrence of childhood wheezing.