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Objectives: The Cribari Matrix Method (CMM) is the current standard to identify over/undertriage but requires manual trauma triage reviews to address its inadequacies. The Standardized Triage Assessment Tool (STAT) partially emulates triage review by combining CMM with the Need For Trauma Intervention, an indicator of major trauma. This study aimed to validate STAT in a multicenter sample., Methods: Thirty-eight adult and pediatric US trauma centers submitted data for 97,282 encounters. Mixed models estimated the effects of overtriage and undertriage versus appropriate triage on the odds of complication, odds of discharge to a continuing care facility, and differences in length of stay for both CMM and STAT. Significance was assessed at p <0.005., Results: Overtriage (53.49% vs. 30.79%) and undertriage (17.19% vs. 3.55%) rates were notably lower with STAT than with CMM. CMM and STAT had significant associations with all outcomes, with overtriages demonstrating lower injury burdens and undertriages showing higher injury burdens than appropriately triaged patients. STAT indicated significantly stronger associations with outcomes than CMM, except in odds of discharge to continuing care facility among patients who received a full trauma team activation where STAT and CMM were similar., Conclusions: This multicenter study strongly indicates STAT safely and accurately flags fewer cases for triage reviews, thereby reducing the subjectivity introduced by manual triage determinations. This may enable better refinement of activation criteria and reduced workload., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Author KWS declares that he is funded by the University of Arkansas for Medical Sciences Clinician Scientist Program. All other authors report no conflicts of interest or competing interests exist., (Copyright © 2020. Published by Elsevier Ltd.)

One of the challenges all hospitals, especially designated trauma centers, face is how to make sure they have adequate staffing on various days of the week and at various times of the year. A number of studies have explored whether factors such as weather, temporal variation, holidays, and events that draw mass gatherings may be useful for predicting patient volume. This article looks at the effects of weather, mass gatherings, and calendar variables on daily trauma admissions at the three Level I trauma hospitals in the Minneapolis-St. Paul metropolitan area. Using ARIMA statistical modeling, we found that weekends, summer, lack of rain, and snowfall were all predictive of daily trauma admissions; holidays and mass gatherings such as sporting events were not. The forecasting model was successful in reflecting the pattern of trauma admissions; however, it's usefulness was limited in that the predicted range of daily trauma admissions was much narrower than the observed number of admissions. Nonetheless, the observed pattern of increased admission in the summer months and year-round on Saturdays should be helpful in resource planning.

Objective: To determine the impact of the presence of an attending trauma surgeon during trauma team activation on system function and patient outcome., Methods: After a retrospective review of medical records and trauma registry, a comparative study between two American College of Surgeons Committee on Trauma Level I trauma centers was performed. One center (Hennepin County Medical Center) required a chief surgical resident, two junior residents, and a board-certified emergency medicine faculty to be present in the emergency department for all trauma team activations. The attending trauma surgeon was notified at the time of trauma team activation and was neither required to be present in the emergency department at time of patient arrival nor in the hospital 24 h/day. The other center (St. Paul Ramsey Medical Center) required a chief surgical resident, two junior residents, a board-certified emergency medicine faculty member, and an attending trauma surgeon to be present in the emergency department for all trauma activations and in hospital 24 hours/day. Over a 21-month period, all major trauma patients (Injury Severity Score > 15 or emergent operation within 4 hours of admission and any Injury Severity Score) that triggered trauma team activation were examined. Resuscitation time, time to incision, probability of survival, and mortality were analyzed., Results: Resuscitation time was shorter at St. Paul Ramsey Medical Center when compared with Hennepin County Medical Center. Analysis by mechanism of injury demonstrates that this was true for blunt trauma (39+/-13 vs. 27+/-12 minutes, p = 0.001) and for penetrating trauma (28+/-14 vs. 24+/-17 minutes, p = 0.01). Subgroup analysis of penetrating trauma victims demonstrated that there was a significant difference in resuscitation times for gunshot wounds but not for stabs. There was no difference in how quickly operations could be initiated for blunt trauma patients. However, in penetrating cases, time to incision was significantly shorter at St. Paul Ramsey Medical Center (50+/-29 vs. 66+/-43 minutes, p = 0.01). There was no significant difference in mortality for any category of Trauma and Injury Severity Score probability of survival in blunt or penetrating trauma. Analysis of "in-house" and "out-house" time intervals demonstrated no difference in survival in any mechanism of injury, nor was there a difference in overall mortality., Conclusion: The presence of a trauma surgeon on the trauma team reduced resuscitation time and reduced time to incision for emergent operations, particularly in penetrating trauma. However, it had no measurable impact on mortality based on Trauma and Injury Severity Score probability of survival. Attending trauma surgeon presence on the trauma team improves in-hospital trauma system function without affecting patient outcome.