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Prehospital intravenous fluid is associated with increased survival in trauma patients

2013; Lippincott Williams & Wilkins; Volume: 75; Issue: Supplement 1 Linguagem: Inglês

10.1097/ta.0b013e318290cd52

2163-0763

David Hampton, Loïc Fabricant, Jerry Differding, Brian S. Diggs, Samantha J. Underwood, Dodie De La Cruz, John B. Holcomb, Karen J. Brasel, Mitchell J. Cohen, Erin E. Fox, Louis H. Alarcon, Mohammad H. Rahbar, Herb A. Phelan, Eileen M. Bulger, Peter Muskat, John G. Myers, Deborah J. del Junco, Charles E. Wade, Bryan A. Cotton, Martin A. Schreiber,

Cardiac Arrest and Resuscitation

BACKGROUND Delivery of intravenous crystalloid fluids (IVF) remains a tradition-based priority during prehospital resuscitation of trauma patients. Hypotensive and targeted resuscitation algorithms have been shown to improve patient outcomes. We hypothesized that receiving any prehospital IVF is associated with increased survival in trauma patients compared with receiving no prehospital IVF. METHODS Prospective data from 10 Level 1 trauma centers were collected. Patient demographics, prehospital IVF volume, prehospital and emergency department vital signs, lifesaving interventions, laboratory values, outcomes, and complications were collected and analyzed. Patients who did or did not receive prehospital IVF were compared. Tests for nonparametric data were used to assess significant differences between groups (p ≤ 0.05). Cox regression analyses were performed to determine the independent influence of IVF on outcome and complications. RESULTS The study population consisted of 1,245 trauma patients; 45 were excluded owing to incomplete data; 84% (n = 1,009) received prehospital IVF, and 16% (n = 191) did not. There was no difference between the groups with respect to sex, age, and Injury Severity Score (ISS). The on-scene systolic blood pressure was lower in the IVF group (110 mm Hg vs. 100 mm Hg, p < 0.04) and did not change significantly after IVF, measured at emergency department admission (110 mm Hg vs. 105 mm Hg, p = 0.05). Hematocrit/hemoglobin, fibrinogen, and platelets were lower (p < 0.05), and prothrombin time/international normalized ratio and partial thromboplastin time were higher (p < 0.001) in the IVF group. The IVF group received a median fluid volume of 700 mL (interquartile range, 300–1,300). The Cox regression revealed that prehospital fluid administration was associated with increased survival (hazard ratio, 0.84; 95% confidence interval, 0.72–0.98; p = 0.03). Site differences in ISS and fluid volumes were demonstrated (p < 0.001). CONCLUSION Prehospital IVF volumes commonly used by PRospective Observational Multicenter Massive Transfusion Study (PROMMTT) investigators do not result in increased systolic blood pressure but are associated with decreased in-hospital mortality in trauma patients compared with patients who did not receive prehospital IVF. LEVEL OF EVIDENCE Therapeutic study, level IV.