Complication rates in rigid vs. flexible endoscopic foreign body removal in children

Anna Wiemers1, Christina Vossen2, Thomas Lücke1

  • 1Ruhr University Bochum, Children's Hospital St. Josef-Hospital, Bochum, Germany.

Insights

Foreign body aspiration in children is common. Rigid bronchoscopy showed fewer respiratory complications than flexible bronchoscopy, though both had similar overall complication rates.

Area of Science:

  • Pediatric Pulmonology
  • Interventional Bronchoscopy
  • Patient Safety

Background:

  • Foreign body aspiration is a significant cause of pediatric morbidity and mortality.
  • Current recommendations for removal techniques may not align with clinical practice.
  • Limited data exists on the success and complication rates of pediatric foreign body removal.

Purpose of the Study:

  • To establish a classification system for bronchoscopy-related complications in foreign body removal.
  • To prospectively record and analyze complications associated with rigid versus flexible bronchoscopy.
  • To compare the safety and efficacy of rigid and flexible bronchoscopy for pediatric foreign body removal.

Main Methods:

  • Development of a standardized complication classification system.
  • Anonymous case contributions from foreign body removal specialists.
  • Prospective data collection on procedural details, complications, and patient characteristics.
  • Statistical analysis using Pearson's Chi Square test for correlation.

Main Results:

  • A total of 314 rigid and 178 flexible bronchoscopies were analyzed.
  • Overall complication rates were comparable: 19.1% for rigid and 24.2% for flexible bronchoscopy (p=0.232).
  • Respiratory complications were significantly lower with rigid bronchoscopy (9.2%) compared to flexible bronchoscopy (16.3%) (p=0.025).

Conclusions:

  • This study represents the largest pediatric case series comparing complications between rigid and flexible foreign body removal.
  • Flexible bronchoscopy demonstrated a higher incidence of respiratory complications, validating clinical concerns.
  • Flexible bronchoscopy can be a safe option when accompanied by enhanced respiratory monitoring and immediate airway management capabilities.