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Updated: Aug 13, 2026

Conducting Respiratory Oscillometry in an Outpatient Setting
Published on: April 8, 2022
High-frequency oscillatory ventilation in an infant with cystic fibrosis and bronchiolitis
Edward G Seferian1, Nancy K Henry, Mark E Wylam
1Department of Pediatric and Adolescent Medicine, Division of Pediatric Critical Care Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA. seferian.edward@mayo.edu
Insights
Infants with cystic fibrosis (CF) can experience severe breathing difficulties from viral infections. A case study shows high-frequency oscillatory ventilation (HFOV) successfully treated a CF infant with respiratory failure from bronchiolitis.
Area of Science:
- Pediatric pulmonology
- Respiratory medicine
- Neonatal intensive care
Background:
- Infants with cystic fibrosis (CF) are susceptible to respiratory compromise.
- Viral lower respiratory tract infections exacerbate CF by impairing mucus clearance and causing airway plugging.
- This can lead to air trapping, lung hyperinflation, and respiratory failure.
Observation:
- A case of a newly diagnosed infant with cystic fibrosis is presented.
- The infant developed severe hypercarbic respiratory failure.
- This occurred concurrently with viral bronchiolitis.
Findings:
- The infant's respiratory failure was successfully managed with high-frequency oscillatory ventilation (HFOV).
- HFOV provided effective ventilation and gas exchange support in this critical scenario.
Implications:
- High-frequency oscillatory ventilation (HFOV) is a viable treatment option for severe respiratory failure in infants with cystic fibrosis and viral infections.
- Early recognition and intervention are crucial for managing respiratory distress in this vulnerable population.
Abstract:
Infants with cystic fibrosis (CF) may develop severe respiratory compromise related to viral lower respiratory tract infections due to impaired mucous clearance and plugging of small airways. Consequently air trapping may lead to lung hyperinflation, impaired gas exchange, and respiratory failure. We describe the case of an infant with newly diagnosed CF who developed severe hypercarbic respiratory failure in the setting of viral bronchiolitis successfully treated with high-frequency oscillatory ventilation (HFOV).
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