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Background: Trauma contributes more than ten percent of the global burden of disease. Initial assessment and resuscitation of trauma patients often requires rapid diagnosis and management of multiple concurrent complex conditions, and errors are common. We investigated whether implementing a trauma care checklist would improve care for injured patients in low-, middle-, and high-income countries., Methods: From 2010 to 2012, the impact of the World Health Organization (WHO) Trauma Care Checklist program was assessed in 11 hospitals using a stepped wedge pre- and post-intervention comparison with randomly assigned intervention start dates. Study sites represented nine countries with diverse economic and geographic contexts. Primary end points were adherence to process of care measures; secondary data on morbidity and mortality were also collected. Multilevel logistic regression models examined differences in measures pre- versus post-intervention, accounting for patient age, gender, injury severity, and center-specific variability., Results: Data were collected on 1641 patients before and 1781 after program implementation. Patient age (mean 34 ± 18 vs. 34 ± 18), sex (21 vs. 22 % female), and the proportion of patients with injury severity scores (ISS) ≥ 25 (10 vs. 10 %) were similar before and after checklist implementation (p > 0.05). Improvement was found for 18 of 19 process measures, including greater odds of having abdominal examination (OR 3.26), chest auscultation (OR 2.68), and distal pulse examination (OR 2.33) (all p < 0.05). These changes were robust to several sensitivity analyses., Conclusions: Implementation of the WHO Trauma Care Checklist was associated with substantial improvements in patient care process measures among a cohort of patients in diverse settings.

Background: Technical parameters of road traffic crashes are routinely documented by emergency physicians on scene. It is, however, unclear whether this information contributes to the estimation of injury severity of vehicle drivers., Materials and Methods: In this study, three experienced emergency physicians were asked to predict the injury severity of vehicle drivers [categorized according to Injury Severity Score (ISS) values of <16 and ≥16 as moderate to severe or life-threatening] based on increasingly complex technical crash information, ranging from routine variables to photo documentation of the crash scene. A sample of 100 cases (mean ISS 23.6±26.9) was obtained from the prospective database of an in-depth technical and medical car crash research project conducted in the northeastern part of Germany. Statistical analysis comprised inter-rater agreement beyond chance (kappa values) and indicators of diagnostic test accuracy (i.e. sensitivity, specificity and so on)., Results: The inter-rater agreement of injury severity based on technical crash information was moderate to substantial (kappa 0.42-0.66). Amongst the three observers and various amounts of technical data, sensitivity ranged between 18 and 80%, and specificity ranged between 41 and 89% in predicting the presence of major trauma. Presentation of photographs from the crash scene increased diagnostic accuracy. Still, the presented information led to a shift from a 50% prior probability of life-threatening injuries to a maximum of 40% in the negative and 67% in the positive case., Conclusion: Neither basic technical parameters that are easy to obtain after a car crash nor additional technical information markedly contribute to the emergency physician's estimation of a vehicle driver's injury severity. The presented results should be supported by a subsequent study including a larger sample.