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Risk factors for the development of bronchiolitis obliterans in children with bronchiolitis

A J Colom1, A M Teper, W M Vollmer

  • 1Respiratory Center, R. Gutiérrez Children's Hospital, Buenos Aires, Argentina, and Division of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA. Acolor@intramed.net

Thorax
|March 7, 2006
PubMed

Insights

Adenovirus infection and mechanical ventilation are key risk factors for childhood bronchiolitis obliterans (BO), a severe lung disease. These factors significantly increase the risk of developing BO in young children.

Area of Science:

  • Pediatric Pulmonology
  • Infectious Diseases
  • Respiratory Medicine

Background:

  • Bronchiolitis obliterans (BO) is a severe, uncommon obstructive lung disease in children.
  • It arises from lower respiratory tract insults.

Purpose of the Study:

  • To identify risk factors for the development of bronchiolitis obliterans in children under three years old.

Main Methods:

  • A case-control study involving 109 cases and 99 controls.
  • Evaluations included viral tests, pulmonary function tests, and exposure assessments (tobacco, etc.).

Main Results:

  • Adenovirus infection showed a strong association with increased BO risk (OR 49).
  • Mechanical ventilation also independently increased BO risk (OR 11).
  • No association found with age, sex, or environmental tobacco exposure.

Conclusions:

  • Adenovirus infection and mechanical ventilation are significant risk factors for pediatric BO.
  • Further research is required to understand the mechanisms behind these strong associations.
Abstract

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