Abstract
Introductory Sentence. In the trauma population intraoperative end tidal pCO 2 and derived calculations have been shown to predict outcomes and identify patients requiring further resuscitation. We sought to evaluate in-flight end tidal pCO 2 prior to arrival at a trauma center to predict outcome. Methods. After IRB approval, retrospective review was performed on all intubated adult trauma patients with complete records/end-tidal pCO 2 data, transported by aeromedical transport teams to our level I trauma center over 4 years. The data were collected in-flight as well as in the emergency room. Results. Ninety-one patients met inclusion criteria. They were divided into two groups: survivors (68) and nonsurvivors (23). All patients had an airway established during transport. Conclusions. There was a correlation between end-tidal pCO 2 during transport and patient survival. Low prehospital end-tidal pCO 2 identified patients at high risk for death. TABLE—ABSTRACT P101 Inflight data Survivors Non survivors P value ∗ Blunt trauma 84% 87% 0.993 Heart rate (bpm) 107 ± 23 107 ± 26 0.957 Syst. BP (mmhg) 135 ± 35 126 ± 33 0.349 Resp rate 12 ± 11 12 ± 15 0.825 GCS 4 ± 2 3 ± 1 0.1 Head injury 37 (54%) 16 (69%) 0.303 RTS 4.08 ± 1.34 3.58 ± 0.75 0.096 TV 900 ± 134 895 ± 122 0.949 Min vent. (L/kg/min) 0.13 ± 0.03 0.17 ± 0.12 0.496 EtCO2 35 ± 7 29 ± 7 0.021 ∗∗ ∗ ANOVA, repeated measure ANOVA, chi squared tests, z test. ∗∗ statistically significant ( P < 0.05).
Published Version
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