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Ventilation induced pneumothorax following resolved empyema.
A G Nyman1, S Sonnappa, A T Prendiville
1Great Ormond Street, Hospital for Children, NHS Trust, Respiratory Unit, London, UK.
Pediatric Pulmonology
|November 28, 2007
Summary
Children treated for empyema may develop pneumothorax (collapsed lung) after positive pressure ventilation, even months after recovery. This risk highlights the need for careful monitoring in these patients.
Area of Science:
- Pediatric Pulmonology
- Thoracic Surgery
- Anesthesiology
Background:
- Childhood empyema requires effective treatment, often involving chest drainage and positive pressure ventilation.
- Post-empyema pleural changes may persist, potentially increasing risks during subsequent medical procedures.
- Positive pressure ventilation is a common supportive measure in pediatric respiratory care.
Observation:
- A child, previously treated for empyema, developed respiratory distress post-anesthesia for an elective MRI.
- A loculated pneumothorax was identified as the cause of respiratory distress during the recovery period.
- The event occurred three months after the patient's discharge for successful empyema treatment.
Findings:
- Pleural fragility may persist for up to three months following clinical resolution of childhood empyema.
- Positive pressure ventilation, even in a non-emergent setting, can precipitate pneumothorax in susceptible patients.
- This case suggests a potential link between resolved empyema and delayed pneumothorax complications.
Implications:
- Clinicians should consider the risk of pneumothorax in children receiving positive pressure ventilation after empyema.
- Enhanced vigilance is warranted for patients with a history of childhood empyema undergoing procedures requiring anesthesia and ventilation.
- Further research may elucidate the duration and mechanisms of persistent pleural vulnerability after empyema.
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