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Murine Model of Allergen Induced Asthma
Published on: May 14, 2012
Asthma: the great imitator in foreign body aspiration?
Joe Saliba1, Tamara Mijovic, Sam Daniel
1Department of Otolaryngology-Head and Neck Surgery, Montreal Children's Hospital, QC, Canada.
Summary
Asthma patients with suspected foreign body aspiration (FBA) are more likely to have negative bronchoscopies. This suggests a need for individualized diagnostic approaches rather than a conservative strategy for these children.
Area of Science:
- Pediatric Pulmonology
- Pediatric Otolaryngology
- Respiratory Medicine
Background:
- Foreign body aspiration (FBA) is a common cause of respiratory distress in children.
- Diagnosing FBA often requires rigid bronchoscopy (RB), an invasive procedure.
- Underlying inflammatory airway conditions, such as asthma, may complicate FBA diagnosis.
Purpose of the Study:
- To determine the prevalence of lower airway inflammatory conditions in children undergoing RB for suspected FBA.
- To identify patient characteristics that may indicate benefit from pre-bronchoscopy antiasthma treatment.
- To evaluate the diagnostic yield of RB in children with suspected FBA, considering underlying asthma.
Main Methods:
- Retrospective chart review of children who underwent RB for suspected FBA.
- Analysis of patient demographics, clinical presentation, radiologic findings, and bronchoscopic results.
- Comparison of outcomes between asthmatic and non-asthmatic children.
Main Results:
- Foreign bodies were identified in 36 out of 55 children (65.5%) who underwent RB.
- Asthmatic children were significantly more likely to have a negative bronchoscopy (80.0%) compared to non-asthmatics (30.0%).
- Clinical and radiologic findings did not significantly differ between asthmatic and non-asthmatic groups.
Conclusions:
- A conservative approach is not recommended for asthmatic children with suspected FBA.
- Indications for diagnostic bronchoscopy in asthmatic children with suspected FBA should be individualized.
- Timely diagnosis in suspected FBA cases is crucial, especially in children with underlying asthma.
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