High-flow Nasal Cannula-induced Tension Pneumocephalus

Area of Science:

• Critical Care Medicine
• Respiratory Therapy
• Neurosurgery

Background:

• High-flow nasal cannula (HFNC) therapy is increasingly used for respiratory support.
• HFNC provides positive airway pressure, aiding respiratory mechanics and oxygenation.
• Potential complications of positive pressure ventilation, though rare with HFNC, warrant investigation.

Observation:

• A case report detailing a patient who developed tension pneumocephalus.
• The complication arose in a patient with an undiagnosed skull base fracture.
• The condition was linked to the application of HFNC therapy.

Findings:

• High-flow nasal cannula (HFNC) therapy can induce tension pneumocephalus.
• An unrecognized skull base or paranasal sinus fracture is a critical risk factor.
• Higher flow rates may increase the risk of this adverse event.

Implications:

• Clinicians must be vigilant for potential HFNC complications, especially tension pneumocephalus.
• Careful patient selection and monitoring are crucial when using HFNC in patients with suspected fractures.
• Further research is needed to fully understand the risks associated with HFNC in specific patient populations.