Questioning dogma: does a GCS of 8 require intubation?

Area of Science:

• Trauma Care
• Emergency Medicine
• Critical Care

Background:

• No established evidence supports intubation for a Glasgow Coma Scale (GCS) of 8.
• Investigated the impact of intubation in trauma patients presenting with a GCS score between 6 and 8.

Purpose of the Study:

• To determine the effect of early intubation on mortality and length of stay in trauma patients with a GCS of 6-8.
• To challenge the assumption that intubation is beneficial for all patients with a GCS of 8 or less.

Main Methods:

• Utilized data from the 2016 National Trauma Data Bank, including adult patients with GCS 6-8.
• Employed inverse probability weighted regression adjustment (IPWRA) to compare intubated and non-intubated groups, controlling for injury severity and patient characteristics.
• Analyzed outcomes including mortality, intensive care unit (ICU) length of stay (LOS), and total LOS, with stratified analysis for head injuries.

Main Results:

• Among 6,676 patients (GCS 6-8), 4,078 were intubated within 1 hour of arrival.
• Intubation was associated with a significant increase in overall mortality (OR 1.05) and longer ICU LOS (14% increase) and total LOS (27% increase).
• These findings were consistent across patients with and without head injuries.

Conclusions:

• Early intubation in trauma patients with a GCS of 6-8 is linked to increased mortality and prolonged hospital stays.
• The findings suggest that a strict GCS threshold for mandating intubation warrants re-evaluation.
• Revisiting current clinical guidelines for intubation in this patient population is recommended.