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Endoscopic dilation of acquired tracheobronchial stenosis in infants
A Messineo1, S Narne, G Mognato
1Department of Pediatrics, University of Padua, Italy.
Insights
Pneumatic balloon catheter dilation offers a promising treatment for acquired tracheobronchial strictures in infants. This technique successfully improved clinical outcomes in five young patients, highlighting its potential for managing these serious airway conditions.
Area of Science:
- Pediatric Pulmonology
- Interventional Pulmonology
- Pediatric Surgery
Background:
- Acquired tracheobronchial strictures in infants lead to significant illness.
- Treatment options vary based on stenosis severity and location.
- Novel techniques are needed to improve outcomes.
Observation:
- Five infants (1-23 months) with acquired tracheobronchial stenoses underwent pneumatic balloon dilation.
- Stenoses included two carinal and three mainstem bronchi.
- Procedures were performed using Gruentzig balloon catheters under endoscopic guidance in apneic infants.
Findings:
- Successful clinical improvement was observed in all five children post-treatment.
- Three infants required four dilations; two infants needed two procedures.
- One complication (pneumothorax) occurred due to partial bronchial disruption during dilation.
Implications:
- Pneumatic balloon dilation is a viable treatment for infant tracheobronchial stenoses.
- Careful case selection and adherence to strict criteria are crucial to minimize complications.
- Further research can refine this technique for improved pediatric airway management.
Abstract:
Acquired tracheobronchial strictures in infants are associated with significant morbidity. Their treatment requires different types of therapeutic procedures depending on the severity and location of the stenosis. We successfully dilated five children (ages between 1 and 23 months) with acquired tracheobronchial (stenoses two carinal and three of the mainstem bronchi) using a new technique. Gruentzig balloon catheters of different caliber were introduced into the tracheal lumen of apneic children under endoscopic vision. Three infants required four dilations and in the other two cases only two procedures were necessary. One complication occurred during dilation and resulted in a pneumothorax caused by a partial-bronchial disruption. At follow-up (range, 18-36 months; mean, 23.4 months) all five children were clinically improved. In the four cases without complications the chest x-rays were normal and the last bronchoscopy showed tracheobronchial trees with normal calibers. The child who developed a pneumothorax during attempted dilation recovered. In this child, dilation of the right upper lobe bronchus was unsuccessful. Dilation was attempted without visualization of the bronchus and the stricture. Our limited experience confirms that pneumatic balloon catheters can successfully treat acquired tracheobronchial stenoses in infants. To avoid complications, strict criteria need to be applied in the selection of cases with tracheobronchial stenoses.