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Updated: Nov 29, 2025

Long Term Chronic Pseudomonas aeruginosa Airway Infection in Mice
Published on: March 17, 2014
Persistent Pseudomonas aeruginosa infection associated with non-invasive ventilation in a child with spinal muscular
Archana Chacko1, Peter D Sly1, Tim Kidd2
1Centre for Child Health Research, University of Queensland, Brisbane, Queensland, Australia.
Insights
Non-invasive positive pressure ventilation (NIV) in children with spinal muscular atrophy may pose infection risks. A case study found Pseudomonas aeruginosa contamination in both the patient's NIV device and nasopharyngeal samples, persisting despite treatment.
Area of Science:
- Pediatric Pulmonology
- Infectious Diseases
- Biomedical Engineering
Background:
- Non-invasive positive pressure ventilation (NIV) is standard for pediatric spinal muscular atrophy (SMA) with respiratory failure.
- Concerns exist regarding NIV equipment as a potential source of infection in patients with restrictive lung disease.
- Prolonged device use and difficulties in infection management increase risks in vulnerable populations.
Abstract:
Current standards of care suggest the use of non-invasive positive pressure ventilation (NIV) in children with spinal muscular atrophy and symptomatic respiratory failure. Theoretical concerns exist regarding NIV equipment as a source of infection in restrictive lung disease due to the possibility of prolonged NIV device use, greater risk in acquiring infections, and difficulties in managing and clearing infections. NIV devices may draw pathogens through the air inlet port that may contaminate the internal surfaces. These pathogens may then infect children with spinal muscular atrophy. We present a case of 2 genetically identical Pseudomonas aeruginosa cultures from both the patient's NIV device and from nasopharyngeal samples. This infection persisted both in nasopharyngeal aspirate cultures and from NIV equipment cultures despite the use of an eradication program involving both the child and the NIV device.
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