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Traditionally, a systolic blood pressure (SBP) of 90 has been used as a marker of severe illness in trauma patients. This study looked at a large database and found shock index (SI) and systolic blood pressure were the best predictors of early mortality in trauma patients.
They found:
prehospital SI 0.9 and SBP 110,
ED SI 0.9 and SBP 112,
and
in elderly
prehospital SI 0.8 SBP 116
ED SI 0.8 SBP 121
were the cutoffs to predict early mortality.
We should rethink our protocols and approach to trauma patients using a higher systolic blood pressure than 90. Also note elderly had a different number than younger trauma patients.
References
April MD, Fisher AD, Rizzo JA, Wright FL, Winkle JM, Schauer SG. Early Vital Sign Thresholds Associated with 24-Hour Mortality among Trauma Patients: A Trauma Quality Improvement Program (TQIP) Study. Prehosp Disaster Med. 2024 Apr 2:1-5. doi: 10.1017/S1049023X24000207. Epub ahead of print. PMID: 38563282.