Bronchoscopic surfactant administration in pediatric patients with persistent lobar atelectasis
Related Experiment Video
Updated: Aug 15, 2026

Surfactant Depletion Combined with Injurious Ventilation Results in a Reproducible Model of the Acute Respiratory Distress Syndrome (ARDS)
Published on: April 7, 2021
Martin F Krause1, Philipp von Bismarck, Hans C Oppermann
1Department of Pediatrics, Universitätsklinikum Schleswig-Holstein, Campus Kiel, Kiel, Germany. m.krause@pediatrics.uni-kiel.de
Insights
Bronchoscopic surfactant application can improve oxygenation and lung mechanics in pediatric patients with persistent lobar atelectasis. This intervention facilitates early extubation, offering a safe and effective treatment for critical respiratory conditions.
Area of Science:
- Pediatric critical care medicine
- Pulmonology
- Bronchoscopy and interventional pulmonology
Background:
- Persistent lobar atelectasis in pediatric patients on mechanical ventilation impairs gas exchange and lung mechanics.
- Common causes include airway obstruction and surfactant deficiency, prolonging mechanical ventilation.
- Effective treatment strategies for pediatric atelectasis are crucial for improving patient outcomes.
Purpose of the Study:
- To evaluate the efficacy of bronchoscopic suctioning and surfactant administration in treating pediatric lobar atelectasis.
- To assess improvements in oxygenation, ventilation, chest X-ray scores, and time to extubation.
- To determine the safety and recurrence rates of this intervention.
Main Methods:
- A prospective study involving five pediatric patients (7 months to 15 years) with heterogeneous lung diseases and lobar atelectasis.
- Bronchoscopic instillation of a diluted surfactant preparation (Curosurf, 5-10 mg/ml, 120-240 mg total dose) into affected lung segments.
- Monitoring of gas exchange, respiratory rate, chest X-ray findings, and extubation status.
Main Results:
- All five mechanically ventilated patients were successfully extubated within 24 hours post-intervention.
- Bronchoscopic surfactant application was performed without adverse effects.
- Significant improvements were observed in oxygenation, respiratory rate, and radiographic resolution of atelectasis.
- No recurrence of atelectasis was noted during the follow-up period.
Conclusions:
- Bronchoscopic surfactant application is a safe and effective treatment for pediatric lobar atelectasis.
- The procedure leads to rapid clinical improvement, including enhanced gas exchange and early extubation.
- This minimally invasive approach offers a promising therapeutic option for improving respiratory mechanics in critically ill children.
Abstract:
Persistent lobar atelectasis in pediatric patients on mechanical ventilation results in impaired gas exchange and lung mechanics and contributes to a further need for mechanical ventilation. The most common types of atelectasis in children are resorption atelectasis following airway obstruction, and atelectasis due to surfactant deficiency or dysfunction. We aimed to determine whether bronchoscopic suctioning and surfactant application to atelectatic lung segments would result in improved oxygenation, ventilation, chest X-ray scoring, and early extubation. Five children with heterogeneous lung diseases (aged between 7 months and 15 years) were treated with a diluted surfactant preparation (Curosurf) in a concentration of 5-10 mg/ml (total dose 120-240 mg) which was instilled into the affected segments. Outcome parameters were gas exchange, radiographic resolution of atelectasis and extubation. All mechanically ventilated patients could be extubated within 24 h following the intervention. Bronchoscopic surfactant application could be carried out without adverse effects and brought improvements in oxygenation, respiratory rate, and partial or complete resolution of atelectases without recurrence.
Related Concept Videos
Breathing
Acute Respiratory Failure-V
Ensure that patients are monitored continuously for their response to therapy, including changes in...
Pulmonary Cycle: Exhalation
Inhaled Medications