Effects of physician-based emergency medical service dispatch in severe traumatic brain injury on prehospital run time

G. Franschman, N. Verburg, V. Brens-Heldens, T. M. J. C. Andriessen, J. van der Naalt, S. M. Peerdeman, J. P. Valk, N. Hoogerwerf, S. Greuters, P. Schober, P. E. Vos, H. M. T. Christiaans, C. Boer

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Abstract

Introduction: Prehospital care by physician-based helicopter emergency medical services (P-HEMS) may prolong total prehospital run time. This has raised an issue of debate about the benefits of these services in traumatic brain injury (TBI). We therefore investigated the effects of P-HEMS dispatch on prehospital run time and outcome in severe TBI. Methods: Prehospital run times of 497 patients with severe TBI who were solely treated by a paramedic EMS (n = 125) or an EMS/P-HEMS combination (n = 372) were retrospectively analyzed. Other study parameters included the injury severity score (ISS), Glasgow Coma Scale (GCS), prehospital endotracheal intubation and predicted and observed outcome rates. Results: Patients who received P-HEMS care were younger and had higher ISS values than solely EMS-treated patients (10%; P = 0.04). The overall prehospital run time was 74 ± 54 min, with similar out-of-hospital times for EMS and P-HEMS treated patients. Prehospital endotracheal intubation was more frequently performed in the P-HEMS group (88%) than in the EMS group (35%; P < 0.001). The prehospital run time for intubated patients was similar for P-HEMS (66 (51-80) min) and EMS-treated patients (59 (41-88 min). Unexpectedly, mortality probability scores and observed outcome scores were less favourable for EMS-treated patients when compared to patients treated by P-HEMS. Conclusion: P-HEMS dispatch does not increase prehospital run times in severe TBI, while it assures prehospital intubation of TBI patients by a well-trained physician. Our data however suggest that a subgroup of the most severely injured patients received prehospital care by an EMS, while international guidelines recommend advanced life support by a physician-based EMS in these cases. © 2012 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)1838-1842
JournalInjury
Volume43
Issue number11
DOIs
Publication statusPublished - Nov 2012

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