• David Häske, Stefan K Beckers, Marzellus Hofmann, Rolf Lefering, Paul A Grützner, Ulrich Stöckle, Vassilios Papathanassiou, and Matthias Münzberg.
• Faculty of Medicine, Eberhard Karls University Tübingen, 72076, Tuebingen, Germany.
• Scand J Trauma Resus. 2017 Aug 14; 25 (1): 7979.

BackgroundPrehospital trauma care is stressful and requires multi-professional teamwork. A decrease in the number of accident victims ultimately affects the routine and skills and underlines the importance of effective training. Standardized courses, like PHTLS, are established for health care professionals to improve the prehospital care of trauma patients. The aim of the study was to investigate the subjective safety in prehospital trauma care and learning progress by paramedics in a longitudinal analysis.MethodsThis was a prospective intervention trial and part of the mixed-method longitudinal EPPTC-trial, evaluating subjective and objective changes among participants and real patient care as a result of PHTLS courses. Participants were evaluated with pre/post questionnaires as well as one year after the course.ResultsWe included 236 datasets. In the pre/post comparison, an increased performance could be observed in nearly all cases. The result shows that the expectations of the participants of the course were fully met even after one year (p = 0.002). The subjective safety in trauma care is significantly better even one year after the course (p < 0.001). Regression analysis showed that (ABCDE)-structure is decisive (p = 0.036) as well as safety in rare and common skills (both p < 0.001). Most skills are also rated better after one year. Knowledge and specific safety are assessed as worse after one year.ConclusionThe courses meet the expectations of the participants and increase the subjective safety in the prehospital care of trauma patients. ABCDE-structure and safety in skills are crucial. In the short term, both safety in skills and knowledge can be increased, but the courses do not have the power to maintain knowledge and specific subjective safety issues over a year.Trial RegistrationGerman Clinical Trials Register, ID DRKS00004713 , registered 14. February 2014.

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