Noninvasive ventilation better for patients

A major clinical trial found that using noninvasive ventilation instead of an oxygen mask for preoxygenation significantly reduces the risk of hypoxemia in critically ill adults undergoing emergency tracheal intubation.

• The PREOXI trial, conducted at 24 U.S. emergency departments and ICUs, compared noninvasive ventilation (NIV) to oxygen masks in 1,301 critically ill adults needing emergency tracheal intubation.
• Hypoxemia (oxygen saturation <85%) occurred in only 9.1% of patients using NIV, compared to 18.5% in the oxygen mask group, nearly halving the risk.
• Cardiac arrest, a severe complication of hypoxemia during intubation, occurred in 1 patient in the NIV group vs. 7 in the mask group, suggesting a potentially life-saving benefit.
• These results challenge current guidelines, which consider both methods acceptable and may prompt a change in standard preoxygenation practice.
• UW researchers emphasized the power of academic clinical trials to improve real-world patient care.

Noninvasive ventilation is a safer and more effective method for preoxygenation before emergency intubation and could prevent thousands of hypoxemia-related complications and deaths annually if adopted widely.