The use of TRISS methodology to validate prehospital intubation by urban EMS providers

The purpose of this study was to determine the impact of field orotracheal intubation (OI) by urban emergency medical technician-paramedics (EMT-Ps) on outcome compared with trauma score and injury severity score (TRISS) expectations. The records of all trauma patients intubated by EMT-Ps or hospital personnel were abstracted for OI attempts/successes, use of neuromuscular blockade (NMB), scene time, discharge neurological status, and hospital survival compared with TRISS. EMT-Ps attempted 43% of all intubations; 81% were successful versus 98% by hospital staff (P < .05). NMB was used by 76% of hospital intubations versus none by EMS (P < .05). Scene time was 10.3 ± 3.2 minutes versus 11.6 ± 2.1 for patients intubated by emergency medical services (EMS) and hospital staff (P < .05). Sixty percent of patients intubated by EMS versus 68% by hospital staff had good/moderate discharge neurological status. Survival for patients intubated by EMS versus hospital staff was 11% and 40%, respectively, compared with 2% and 45% expected by TRISS. Field OI by urban EMT-Ps has a favorable impact on survival with good neurological outcome (P < .05).

Keywords:

Endotracheal intubation, scoring systems, emergency medical services

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☆Presented at the 16th National RA Cowley Trauma Symposium, November 1996, Baltimore, MD.

The use of TRISS methodology to validate prehospital intubation by urban EMS providers☆

Correspondence