An unusual case of cuff herniation

Area of Science:

• Anesthesiology
• Critical Care Medicine
• Medical Device Technology

Background:

• Endotracheal intubation is a cornerstone of airway management in critical care.
• Conventional endotracheal tubes utilize low-volume, high-pressure cuffs.
• High-volume, low-pressure (HVLP) cuffs are designed to reduce tracheal injury.

Observation:

• A case of cuff herniation involving an HVLP endotracheal tube is presented.
• Cuff herniation in this type of tube proved irreducible by standard deflation techniques.
• The herniated cuff material obstructed the tube tip, exacerbated by deflation attempts.

Findings:

• Unlike low-volume, high-pressure cuffs, HVLP cuff herniation cannot be resolved by simple deflation.
• The soft, large cuff material spread over the tube tip, causing complete airway obstruction.
• Pulse oximetry was crucial for monitoring the severity of hypoxemia during this event.

Implications:

• This case highlights a potential complication unique to HVLP endotracheal tubes.
• Clinicians must be aware of the management challenges posed by HVLP cuff herniation.
• Alternative strategies or devices may be needed to address this specific complication in airway management.