Notes

Insights to the Mini-BESTest Rating Program: Assessment involving Half a dozen Various Constitutionnel Types.
Prognostic, Level III.
Performance of a trauma tertiary survey (TTS) reduces rates of missed injuries, but performance has been inconsistent at trauma centers. The objectives of this study were to assess whether quality improvement (QI) efforts would increase the frequency of TTS documentation and determine if TTS documentation would increase identification of traumatic injuries. VTX27 Our hypothesis was that QI efforts would improve documentation of the TTS.

Before-and-after analysis of QI interventions at a level 1 trauma center was performed. The interventions included an electronic template for TTS documentation, customized educational sessions, and emphasis from trauma leadership on TTS performance. The primary outcome was documentation of the TTS. Detection of additional injuries based on tertiary evaluation was a secondary outcome. Associations between outcomes and categorical patient and encounter characteristics were assessed using χ2 tests.

Overall, 592 trauma encounters were reviewed (296 preimplementation and 296 postimauma patients at teaching hospitals.

Care management, Level IV.
Care management, Level IV.
There is substantial investment in layperson and first responder training involving tourniquet use for hemorrhage control. Little is known however about prehospital tourniquet application, field conversion, or outcomes in the civilian setting. We describe the experience of a metropolitan region with prehospital tourniquet application.

We conducted a retrospective cohort study characterizing prehospital tourniquet use treated by emergency medical services (EMS) in King County, Washington, from January 2018 to June 2019. Emergency medical services and hospital records were abstracted for demographics, injury mechanism, tourniquet details, clinical care, and outcomes. We evaluated the incidence of tourniquet application, who applied the device (EMS, law enforcement, or layperson), and subsequent course.

A total of 168 patients received tourniquet application, an incidence of 5.1 per 100,000 person-years and 3.48 per 1,000 EMS responses for trauma. Tourniquets were applied for penetrating trauma (64%), blunse access and early tourniquet use can provide public health benefit.

Therapeutic, level IV.
Therapeutic, level IV.
Previously, in a murine model of blunt thoracic trauma, we provided evidence of primary pulmonary thrombosis associated with increased expression of the cell adhesion molecule, P-selectin. In this study, mice are treated with P-selectin blocking antibody after injury to investigate the clinical viability of this antibody for the prevention of pulmonary thrombosis. In addition, viscoelastic testing is performed to investigate if P-selectin inhibition has a detrimental impact on normal hemostasis.

A murine model of thoracic trauma was used. Mice were divided into sham control and experimental injury groups. Thirty minutes after trauma, mice were treated with the following P-selectin blocking antibody, isotype control antibody, low-dose heparin, high-dose heparin, or normal saline. At 90 minutes, whole blood was collected for characterization of coagulation by viscoelastic coagulation monitor (VCM Vet; Entegrion, Durham, NC). Mean clotting time, clot formation time, clot kinetics (α angle), and maximum clot gesting that P-selectin antibody can be safely given during the acute posttraumatic period.
This study supports the clinical use of P-selectin blocking antibody for the prevention of pulmonary thrombosis by confirming its efficacy when given after a blunt thoracic trauma. In addition, we demonstrated that the administration of P-selectin antibody does not adversely affect systemic coagulation as measured by viscoelastic testing, suggesting that P-selectin antibody can be safely given during the acute posttraumatic period.
Prospective studies of surgical stabilization of rib fractures (SSRF) have excluded elderly patients, and no study has exclusively addressed the ≥80-year-old subgroup. We hypothesized that SSRF is associated with decreased mortality in trauma patients 80 years or older.

Multicenter retrospective cohort study involving eight centers. Patients who underwent SSRF from 2015 to 2020 were matched to controls by study center, age, injury severity score, and presence of intracranial hemorrhage. Patients with chest Abbreviated Injury Scale score less than 3, head Abbreviated Injury Scale score greater than 2, death within 24 hours, and desire for no escalation of care were excluded. A subgroup analysis compared early (0-2 days postinjury) to late (3-7 days postinjury) SSRF. Poisson regression accounting for clustered data by center calculated the relative risk (RR) of the primary outcome of mortality for SSRF versus nonoperative management.

Of 360 patients, 133 (36.9%) underwent SSRF. Compared with nonoperative ion in octogenarian/nonagenarians.

Therapeutic, Level IV.
Therapeutic, Level IV.
Isolated blunt renal artery injury (BRAI) is uncommon. Treatment options include observation, nephrectomy, surgical reconstruction and endovascular stenting. Over the last decade, there has been an increasing use of angiointervention techniques in vascular trauma. Previous studies reported underutilization of endovascular stenting in BRAI, in favor of observation. The aim of this study was to examine the epidemiology and assess changes in the management of isolated BRAI over the last decade.

Patients with BRAI identified from the National Trauma Data Bank (2016-2017). Deaths in the emergency department, transferral from outside hospital, and those with associated high-grade kidney injuries were excluded. Demographics, type of renal artery injury, and renal artery management were analyzed. Multivariate analysis was used to identify independent factors associated with isolated BRAI.

During the study period, there were 1,708,076 patients with blunt trauma and 873 (0.05%) of them had BRAI. After exclusions,patients with BRAI is managed with observation with only a small number undergoing endovascular intervention. Endovascular stenting utilization has remained very low and has not changed in the last decade.
Emergency general surgery (EGS) is a high-volume and high-risk surgical service. Interhospital variation in EGS outcomes exists, but there is disagreement in the literature as to whether hospital admission volume affects in-hospital mortality. Scotland collects high-quality data on all admitted patients, whether managed operatively or nonoperatively. Our aim was to determine the relationship between hospital admission volume and in-hospital mortality of EGS patients in Scotland. Second, to investigate whether surgeon admission volume affects mortality.

This national population-level cohort study included EGS patients aged 16 years and older, who were admitted to a Scottish hospital between 2014 and 2018 (inclusive). A logistic regression model was created, with in-hospital mortality as the dependent variable, and admission volume of hospital per year as a continuous covariate of interest, adjusted for age, sex, comorbidity, deprivation, surgeon admission volume, surgeon operative rate, transfer status, diagnosis, and operation category.

There were 376,076 admissions to 25 hospitals, which met our inclusion criteria. The EGS hospital admission rate per year had no effect on in-hospital mortality (odds ratio [OR], 1.000; 95% confidence interval [CI], 1.000-1.000). Higher average surgeon monthly admission volume increased the odds of in-hospital mortality (>35 admissions OR, 1.139; 95% CI, 1.038-1.250; 25-35 admissions OR, 1.091; 95% CI, 1.004-1.185; <25 admissions was the referent).

In Scotland, in contrast to other settings, EGS hospital admission volume did not influence in-hospital mortality. The finding of an association between individual surgeons' case volume and in-hospital mortality warrants further investigation.

Care management, Level IV.
Care management, Level IV.
Administering antithrombotics (AT) to the multiply injured patient with blunt cerebrovascular injury (BCVI) requires a thoughtful assessment of the risk of stroke and death associated with nontreatment. Large, multicenter analysis of outcomes stratified by injury grade and vessel injured is needed to inform future recommendations.

Nine hundred and seventy-one BCVIs were identified from the PROspective Vascular Injury Treatment registry in this retrospective analysis. Using multivariate analysis, we identified predictors of BCVI-related stroke and death. We then stratified these risks by injury grade and vessel injured. We compared the risk of adverse outcomes in the nontreatment group with those treated with antiplatelet agents and/or anticoagulants.

Stroke was identified in 7% of cases. Overall mortality was 12%. Both increased with increasing BCVI grade. Treatment with ATs was associated with lower mortality and was not significantly affected by the choice of agent. Withholding ATs was associated with, antiplatelet agents are an efficacious alternative. Given the 40% mortality rate in patients who survived their initial trauma and developed a BCVI-related stroke, nontreatment may no longer be a viable option.

Epidemiological III; Therapeutic IV.
Epidemiological III; Therapeutic IV.
Firearm violence remains epidemic in the United States, with interpersonal gun violence leading to significant morbidity and mortality. Interpersonal violence has strong associations with social determinants of health, and community-specific solutions are needed to address root causes. We hypothesized that open-ended interviews with survivors of interpersonal firearm violence would identify themes in individual and community-level factors that contribute to ongoing violence.

Between July 2017 and November 2019, we performed a mixed-methods study in which qualitative and quantitative data were obtained from survivors of interpersonal firearm violence admitted to our urban level I trauma center. Qualitative data were obtained through semistructured, open-ended interviews with survivors. Quantitative data were obtained via survey responses provided to these same individuals. Qualitative and quantitative data were then used to triangulate and strengthen results.

During the study period, 51 survivors were enct mediation.

Prognostic and epidemiological, level I.
Prognostic and epidemiological, level I.
The National Field Triage Guidelines were created to inform triage decisions by emergency medical services (EMS) providers and include eight anatomic injuries that prompt transportation to a Level I/II trauma center. It is unclear how accurately EMS providers recognize these injuries. Our objective was to compare EMS-identified anatomic triage criteria with International Classification of Diseases-10th revision (ICD-10) coding of these criteria, as well as their association with trauma center need (TCN).

Scene patients 16 years and older in the NTDB during 2017 were included. National Field Triage Guidelines anatomic criteria were classified based on EMS documentation and ICD-10 diagnosis codes. The primary outcome was TCN, a composite of Injury Severity Score greater than 15, intensive care unit admission, urgent surgery, or emergency department death. Prevalence of anatomic criteria and their association with TCN was compared in EMS-identified versus ICD-10-coded criteria. Diagnostic performance to predict TCN was compared.
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