• Eveline A J van Rein, Rogier van der Sluijs, Antoine M R Raaijmaakers, LeenenLuke P HLPHDepartment of Traumatology, University Medical Center Utrecht, Utrecht, The Netherlands. Electronic address: L.P.H.Leenen@umcutrecht.nl., and Mark van Heijl.
• Utrecht Trauma Center, Utrecht, The Netherlands. Electronic address: e.a.j.vanrein@umcutrecht.nl.
• Injury. 2018 Aug 1; 49 (8): 137313801373-1380.

BackgroundEmergency medical services (EMS) providers must determine the injury severity on-scene, using a prehospital trauma triage protocol, and decide on the most appropriate hospital destination for the patient. Many severely injured patients are not transported to higher-level trauma centres. An accurate triage protocol is the base of prehospital trauma triage; however, ultimately the quality is dependent on the destination decision by the EMS provider. The aim of this systematic review is to describe compliance to triage protocols and evaluate compliance to the different categories of triage protocols.MethodsAn extensive search of MEDLINE/Pubmed, Embase, CINAHL and Cochrane library was performed to identify all studies, published before May 2018, describing compliance to triage protocols in a trauma system. The search terms were a combination of synonyms for 'compliance,' 'trauma,' and 'triage'.ResultsAfter selection, 11 articles were included. The studies showed a variety in compliance rates, ranging from 21% to 93% for triage protocols, and 41% to 94% for the different categories. The compliance rate was highest for the criterion: penetrating injury. The category of the protocol with the lowest compliance rate was: vital signs. Compliance rates were lower for elderly patients, compared to adults under the age of 55. The methodological quality of most studies was poor. One study with good methodological quality showed that the triage protocol identified only a minority of severely injured patients, but many of whom were transported to higher-level trauma centres.ConclusionsThe compliance rate ranged from 21% to 94%. Prehospital trauma triage effectiveness could be increased with an accurate triage protocol and improved compliance rates. EMS provider judgment could lower the undertriage rate, especially for severely injured patients meeting none of the criteria. Future research should focus on the improvement of triage protocols and the compliance rate.Copyright © 2018 Elsevier Ltd. All rights reserved.

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