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[Pediatric fiberoptic bronchoscopy via the laryngeal mask airway]
Y Fukushima1, T Yorozu, M Satoh
1Department of Anesthesiology, Tokyo Metropolitan Ohtsuka Hospital.
Insights
Laryngeal mask airway (LMA) use during pediatric fiberoptic bronchoscopy facilitates subglottic stenosis visualization. This technique allows early detection of airway abnormalities in young children, even with smaller, non-angulated bronchoscopes.
Area of Science:
- Pediatric Pulmonology
- Pediatric Airway Management
- Flexible Bronchoscopy
Background:
- Subglottic stenosis is a critical airway complication in pediatric patients.
- Tracheal intubation can limit visualization of the subglottic region during bronchoscopy.
- Early diagnosis of subglottic stenosis is crucial for timely intervention.
Purpose of the Study:
- To evaluate the efficacy of laryngeal mask airway (LMA) as a guide for fiberoptic bronchoscopy in pediatric patients.
- To assess the ability to visualize subglottic stenosis using a small-diameter, non-angulated bronchoscope with LMA assistance.
- To determine the feasibility of this technique in infants and young children.
Main Methods:
- Fiberoptic bronchoscopy was performed on 11 children (6 months to 3 years).
- Patients' weights ranged from 2.1 to 12.5 kg.
- A laryngeal mask airway (LMA) was used to facilitate bronchoscope insertion and visualization.
Main Results:
- The LMA enabled clear observation of the subglottic region.
- Subglottic stenosis was visualized despite using a smaller 1.8mm bronchoscope without tip angulation.
- The LMA acted as an effective guide for navigating the bronchoscope to the subglottic area.
Conclusions:
- Laryngeal mask airway (LMA) use is a valuable adjunct for pediatric fiberoptic bronchoscopy.
- This technique improves visualization of the subglottic area, aiding in the diagnosis of stenosis.
- It allows the use of smaller bronchoscopes for examining the subglottic region in young children.
Abstract:
Fiberoptic bronchoscopy was performed on 11 children aged from 6 months to 3 years and weighing between 2.1 and 12.5 kg using the laryngeal mask airway (LMA). The LMA allows observation of subglottic stenosis which can not be seen under tracheal intubation. The smaller prototype of the fiberoptic bronchoscope whose diameter is 1.8mm has no provision for angulation at the tip. However, using the LMA as a guide it was easy to reach the subglottic stenosis even using this smaller bronchoscope.