Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 11/22/2025

Management of Ventilated Patients with Pneumothorax and Suspected Bronchopleural Fistula

Initial Management

  • For ventilated patients with suspected bronchopleural fistula, the American Thoracic Society recommends insertion of a large-bore chest tube (24F-28F) to manage potentially large air leaks 1, 2
  • Connecting the chest tube to a water seal device with suction can help re-expand the lung, as suggested by the American College of Chest Physicians 3, 4

Ongoing Management

  • Serial chest radiographs should be performed to assess pneumothorax resolution and lung re-expansion, according to the American College of Radiology 3, 4
  • Clinical assessment, including monitoring of respiratory rate, heart rate, blood pressure, and oxygen saturation, is crucial in managing patients with suspected BPF, as recommended by the Society of Critical Care Medicine 1

Management of Persistent Air Leak

  • If the air leak persists beyond 4 days, additional interventions, such as chemical pleurodesis, should be considered, as suggested by the American College of Chest Physicians 5, 2
  • Chemical pleurodesis with doxycycline or talc slurry may be considered for patients with persistent air leaks who cannot undergo surgery, with a good consensus and very good consensus, respectively, according to the American Thoracic Society 5, 2

Advanced Interventions for Refractory Cases

  • Surgical intervention, including thoracoscopy or limited thoracotomy with repair of the fistula, bullectomy if indicated, and pleurodesis, may be necessary if conservative management fails, as recommended by the Society of Thoracic Surgeons 2
  • The preferred surgical approach is medical or surgical thoracoscopy, with a very good consensus, according to the American College of Surgeons 2

Special Considerations

  • The American College of Chest Physicians recommends avoiding clamping the chest tube in the presence of an active air leak, especially in ventilated patients, to prevent tension pneumothorax 3, 4
  • Premature removal of the chest tube should be avoided, ensuring complete resolution of the pneumothorax and cessation of air leak before considering removal, as suggested by the American Thoracic Society 3, 4

Management of Pneumothorax in Intubated Patients

Infection Prevention and Drainage System Management

  • Full aseptic technique is mandatory to minimize infection risk (empyema occurs in 1-6% of cases) 6
  • Use high-volume, low-pressure suction systems (–10 to –20 cm H₂O) 7

Critical Safety Rules and Ongoing Management

  • Never clamp a bubbling chest tube—this can convert a simple pneumothorax into tension pneumothorax 6
  • Even non-bubbling tubes should not routinely be clamped in ventilated patients 6
  • If air leak persists beyond 48 hours, refer to a respiratory physician 7
  • These patients require complex drain management including possible suction adjustment or drain repositioning 7

Hospitalization Requirements

  • Management should occur on specialized lung units with experienced medical and nursing staff 7