Secular trends in the incidence and severity of injuries sustained by riders of electric bikes and powered scooters: The experience of a level 1 adult trauma center

BACKGROUND

The incidence of injuries caused by electric bicycles (E-bikes) and powered scooters (P-scooters) continues to increase. Data on the severity of those injuries is conflicting. The purpose of this study was to explore secular trends in the incidence and severity characteristics of patients following E-bike and P-scooter injuries and predictors for major trauma.

METHODS

A retrospective cohort study of patients aged ≥16 years following E-bike and P-scooter injuries was performed at a level 1-trauma center between 2017 and 2022. We explored secular trends in major trauma cases (primary outcome), emergency department (ED) visits, hospitalizations, and surgical interventions (secondary outcomes). Major trauma was defined by either an injury severity score (ISS) >15 or the patient's need for acute care, defined by any of the following: Intensive care unit admission, direct disposition to the operating room, acute interventions performed in the trauma room, and in-hospital death. Primary and secondary outcomes were compared between two time frames (2017-2018 vs.2019-2022).

RESULTS

In total, 9748 patients were presented following P-scooter and E-bike injuries. Of them, 1183 patients (12.1%) were hospitalized (854 males [72.2%],median age 33 years, median ISS 9).During the study period, the number of ED visits increased by 21-fold, with a parallel increase hospitalizations and surgical interventions numbers, which increased by 3.4-and 3.8-fold, respectively. Numbers of patients with ISSs >15 and patients who required acute care sharply increased during the study period, but no significant differences were found in the percentages of patients with ISSs >15 (p = 0.78) or patients' need for acute care (p = 0.32) between early and late periods. A severity analysis revealed that male sex (adjusted odds ratio [aOR] 1.7 [95% confidence interval (CI): 1.2-2.4], p = 0.001) and E-bike riders compared to P-scooter riders (aOR 1.5 [95% CI:1.1-2.0], p = 0.005) were independent predictors for severe trauma.

CONCLUSIONS

The incidence of E-bike and P-scooter injuries sharply increased over time, with a parallel elevation in numbers of hospitalizations, surgical interventions, and major trauma cases. Major trauma percentages did not increase during the study period. Male sex and E-bikes emerged as independent predictors for major trauma.

Factors Associated With Tracheostomy in Ventilated Pediatric Trauma Patients. A National Trauma Database Study

PURPOSE

The purpose of the study was to find the factors that were associated with tracheostomy procedures in ventilated pediatric trauma patients.

METHODS

The Trauma Quality Improvement Program (TQIP) database of the calendar year 2017 through 2019 was accessed for the study. All patients <18 years old and who were on mechanical ventilation for more than 96 hours were included in the study. Multiple logistic regression analysis was performed to find the factors that were associated with a tracheostomy.

RESULTS

Out of 2653 patients, 1907 (71.88%) patients underwent tracheostomy. The patients who underwent tracheostomy had a lower median [IQR] of Glasgow Coma Scale (GCS) (3 [3-8] vs 5 [3-10], P < .001) and had a higher proportion of severe spine injury (On Abbreviated Injury Scale [AIS]≥3) (11.6% vs 8.8%, P = .044) when compared with patients who did not have tracheostomy. Lower GCS scores and severe spine injury were associated with higher odds of tracheostomy, with all P values <.05. Higher proportion of tracheostomy procedures were performed at level I pediatric trauma centers as compared to non-designated pediatric centers (odds ratio [95% CI]: 1.848 [1.524-2.242], P < .001).

CONCLUSION

A lower GCS score, severe spine injury and highest level trauma centers were associated with a tracheostomy.

Custom injury prevention priority scoring: Local ranking procedures to assess unique community needs: Local Pediatric Injury Prevention Priority Scoring

BACKGROUND

Trauma is the leading cause of morbidity and mortality in children. Many traumatic injuries are preventable and trauma centers play a major role in directing population-level injury prevention strategies. Given the constraint of finite resources, calculating priorities for injury prevention at an institutional level is essential. The Injury Prevention and Priority Score (IPPS) is a widely applicable tool that is more robust than simple prevalence rankings and considers injury severity - an important factor when developing prevention strategies. We developed an adapted-IPPS methodology to define our local injury prevention priorities using our institution's patient population.

METHODS

The institution-specific trauma registry was used, which includes patients presenting to a level 1 pediatric trauma center July 2018 - June 2022. Causes of injury were categorized into injury mechanisms based on external cause codes. Mechanisms of injury were ranked by frequency and severity (based on mean Injury Severity Score, ISS). An IPPS was calculated for each of the injury mechanisms, which were then ranked from highest to lowest priority injury mechanism.

RESULTS

In ranking injury mechanisms by IPPS, "falls" remain the top priority mechanism despite their relatively low severity, given their overwhelming frequency (n = 1993, mean ISS = 5.9). The injury mechanisms "motor vehicle" (n = 434, mean ISS = 10.9) and "pedestrian" (n = 13, mean ISS = 15), become higher priority given their injury severity, despite lower frequency. "Pedestrian" includes non-traffic incidents such as patients run over by cars in driveways or rural settings.

CONCLUSIONS

Computing the IPPS for each injury mechanism, using data collected routinely for trauma registries, enables trauma centers to use local data to inform injury prevention efforts in their communities. Calculating rankings based on an injury mechanism's relative frequency and severity allows a more robust understanding of their impact.

LEVEL OF EVIDENCE

IV.

Maintaining a whole blood-centered transfusion improves survival in hemorrhagic resuscitation

BACKGROUND

Whole blood (WB) transfusion has been shown to improve mortality in trauma resuscitation. The optimal ratio of packed red blood cells (pRBC) to WB in emergent transfusion has not been determined. We hypothesized that a low pRBC/WB transfusion ratio is associated with improved survival in trauma patients.

METHODS

We analyzed the 2021 Trauma Quality Improvement Program (TQIP) database to identify patients who underwent emergent surgery for hemorrhage control and were transfused within 4 hours of hospital arrival, excluding transfers or deaths in the emergency department. We stratified patients based on pRBC/WB ratios. The primary outcome was mortality at 24 hours. Logistic regression was performed to estimate odds of mortality among ratio groups compared with WB alone, adjusting for injury severity, time to intervention, and demographics.

RESULTS

Our cohort included 17,562 patients; of those, 13,678 patients had only pRBC transfused and were excluded. Fresh frozen plasma/pRBC ratio was balanced in all groups. Among those who received WB (n = 3,884), there was a significant increase in 24-hour mortality with higher pRBC/WB ratios (WB alone 5.2%, 1:1 10.9%, 2:1 11.8%, 3:1 14.9%, 4:1 20.9%, 5:1 34.1%, p = 0.0001). Using empirical cutpoint estimation, we identified a 3:1 ratio or less as an optimal cutoff point. Adjusted odds ratios of 24-hour mortality for 4:1 and 5:1 groups were 2.85 (95% confidence interval [CI], 1.19-6.81) and 2.89 (95% CI, 1.29-6.49), respectively. Adjusted hazard ratios of 24-hour mortality were 2.83 (95% CI, 1.18-6.77) for 3:1 ratio, 3.67 (95% CI, 1.57-8.57) for 4:1 ratio, and 1.97 (95% CI, 0.91-4.23) for 5:1 ratio.

CONCLUSION

Our analysis shows that higher pRBC/WB ratios at 4 hours diminished survival benefits of WB in trauma resuscitation. Further efforts should emphasize this relationship to optimize trauma resuscitation protocols.

LEVEL OF EVIDENCE

Therapeutic/Care Management; Level III.

Delayed diagnosed injuries in trauma patients after initial trauma assessment with a total-body computed tomography scan

INTRODUCTION

Even when using the Advanced Trauma Life Support (ATLS) guidelines and other diagnostic protocols for the initial assessment of trauma patients, not all injuries will be diagnosed in this early stage of care. The aim of this study was to quantify how many, and assess which type of injuries were diagnosed with delay during the initial assessment of trauma patients including a total-body computed tomography (TBCT) scan in a Level 1 Trauma Center in the Netherlands.

METHODS

We conducted a retrospective cohort study of 697 trauma patients who were assessed in the trauma bay of the Amsterdam University Medical Center (AUMC), using a TBCT. A delayed diagnosed injury was defined as an injury sustained during the initial trauma and not discovered nor suspected upon admission to the Intensive Care Unit (ICU) or surgical ward following the initial assessment, diagnostic studies, or during immediate surgery. A clinically significant delayed diagnosis of injury was defined as an injury requiring follow-up or further medical treatment. We aimed to identify variables associated with delayed diagnosed injuries.

RESULTS

In total, 697 trauma patients with a median age of 46 years (IQR 30-61) and a median Injury Severity Score (ISS) of 16 (IQR 9-25) were included. Delayed diagnosed injuries were found in 97 patients (13.9 %), of whom 79 injuries were clinically significant (81.4 %). Forty-eight of the delayed diagnosed injuries (49.5 %) were within the TBCT field. Ten delayed diagnosed injuries had an Abbreviated Injury Scale (AIS) of ≥3. Most injuries were diagnosed before or during the tertiary survey (60.8 %). The median time of delay was 34.5 h (IQR 17.5-157.3). Variables associated with delayed diagnosed injuries were primary ICU admission (OR 1.8, p = 0.014), an ISS ≥ 16 (OR 1.6, p = 0.042), and prolonged hospitalization (40+ days) (OR 8.5, p < 0.001).

CONCLUSION

With the inclusion of the TBCT during the primary assessment of trauma patients, delayed diagnosed injuries still occurs in a significant number of patients (13.9 %). Factors associated with delayed diagnosed injuries were direct admission to ICU and an ISS ≥ 16.

Pooled Analysis of Trauma Centers Better Predicts Risk Factors for Firearm Violence Reinjury

INTRODUCTION

Many trauma centers use the first firearm injury admission as a reachable moment to mitigate reinjury. Understanding repeat firearm violence can be difficult in metropolitan areas with multiple trauma centers and laws that prohibit sharing private health information across health systems. We hypothesized that risk factors for repeat firearm violence could be better understood using pooled data from two major metropolitan trauma centers.

METHODS

Two level I trauma center registries were queried (2007-2017) for firearm injury admissions using International Classification of Diseases, Ninth and Tenth Revision (ICD9/10) Ecodes. A pseudo encryption tool allowed sharing of deidentified firearm injury and repeat firearm injury data without disclosing private health information. Factors associated with firearm reinjury admissions including, age, sex, race, payor, injury severity, intent, and discharge, were assessed by multivariable logistic regression.

RESULTS

We identified 2145 patients with firearm injury admissions, 89 of whom had a subsequent repeat firearm injury admission. Majority of repeat firearm admissions were assaulted (91%), male (97.8%), and non-Hispanic Black (86.5%). 31.5% of repeat firearm injury admissions were admitted to a different trauma center from their initial admission. Independent predictors of repeat firearm injuries were age (adjusted odds ratio [aOR] 0.94, P < 0.001), male sex (aOR 6.18, P = 0.013), non-Hispanic Black race (aOR 5.14, P = 0.007), or discharge against medical advice (aOR 6.64, P=<0.001).

CONCLUSIONS

Nearly a third of repeat firearm injury admissions would have been missed in the current study without pooled metropolitan trauma center data. The incidence of repeat firearm violence is increasing and those at the highest risk for reinjury need to be targeted for mitigating interventions.

Evaluating Outcomes of Nonaccidental Trauma in Military Children

BACKGROUND

Nonaccidental trauma (NAT), or child abuse, is a leading cause of childhood injury and death in the US. Studies demonstrate that military-affiliated individuals are at greater risk of mental health complication and family violence, including child maltreatment. There is limited information about the outcomes of military children who experience NAT. This study compares the outcomes between military-dependent and civilian children diagnosed with NAT.

STUDY DESIGN

A single-institution, retrospective review of children admitted with confirmed NAT at a Level I trauma center was performed. Data were collected from the institutional trauma registry and the Child Abuse Team's database. Military affiliation was identified using insurance status and parental or caregiver self-reported active-duty status. Demographic and clinical data including hospital length of stay (LOS), morbidity, specialty consult, and mortality were compared.

RESULTS

Among 535 patients, 11.8% (n = 63) were military-affiliated. The median age of military-associated patients, 3 months (interquartile range [IQR] 1 to 7), was significantly younger than civilian patients, 7 months (IQR 3 to 18, p < 0.001). Military-affilif:ated patients had a longer LOS of 4 days (IQR 2 to 11) vs 2 days (IQR 1 to 7, p = 0.041), increased morbidity or complication (3 vs 2 counts, p = 0.002), and a higher mortality rate (10% vs 4%, p = 0.048). No significant difference was observed in the number of consults or injuries, trauma activation, or need for surgery.

CONCLUSIONS

Military-affiliated children diagnosed with NAT experience more adverse outcomes than civilian patients. Increased LOS, morbidity or complication, and mortality suggest military-affiliated patients experience more life-threatening NAT at a younger age. Larger studies are required to further examine this population and better support at-risk families.

Improper Restraint Use in Fatal Pediatric Motor Vehicle Collisions

PURPOSE

Motor vehicle collisions (MVC) are the second leading cause of death in children and adolescents, but appropriate restraint use remains inadequate. Our previous work shows that about half of pediatric MVC victims presenting to our trauma center were unrestrained. This study evaluates restraint use among children and adolescents who did not survive after MVC. We hypothesize that restraint use is even lower in this population than in pediatric MVC patients who reached our trauma center.

METHODS

We reviewed the local Medical Examiner's public records for fatal MVCs involving decedents <19 years old from 2010 to 2021. When restraint use was not documented, local Fire Rescue public records were cross-referenced. Patients were excluded if restraint use was still unknown. Age, demographics, and restraint use were compared using standard statistical methods.

RESULTS

Of 199 reviewed cases, 92 met selection criteria. Improper restraint use was documented in 72 patients (78%). Most decedents were White (72% versus 28% Black) and male (74%), with a median age of 17 years [15-18]. Improper restraint use was more common among Black (92% vs 73% White, p = 0.040) and male occupants (85% vs 58% female, p = 0.006). Improper restraint use was lower in the Hispanic population (73%) compared to non-Hispanic individuals (89%), but this difference was not statistically significant (p = 0.090).

CONCLUSION

Most pediatric patients who die from MVCs in our county are improperly restrained. While male and Black patients are especially high-risk, the overall dismal rates of restraint use in our pediatric population present an opportunity to improve injury prevention measures.

TYPE OF STUDY

Retrospective Comparative Study.

LEVEL OF EVIDENCE

Level III.

Outcomes of Trauma "Walk-Ins" in the American College of Surgeons Trauma Quality Program Database

BACKGROUND

Outcomes of trauma "walk-in" patients (using private vehicles or on foot) are understudied. We compared outcomes of ground ambulance vs walk-ins, hypothesizing that delayed resuscitation and uncoordinated care may worsen walk-in outcomes.

METHODS

A retrospective analysis 2020 American College of Surgeons Trauma Quality Programs (ACS-TQP) databases compared outcomes between ambulance vs "walk-ins." The primary outcome was in-hospital mortality, excluding external facility transfers and air transports. Data was analyzed with descriptive statistics, bivariate, multivariable logistic regression, including an Inverse Probability Weighted Regression Adjustment with adjustments for injury severity and vital signs. The primary outcome for the 2019 (pre-COVID-19 pandemic) data was similarly analyzed.

RESULTS

In 2020, 707,899 patients were analyzed, 556,361 (78.59%) used ambulance, and 151,538 (21.41%) were walk-ins. We observed differences in demographics, hospital attributes, medical comorbidities, and injury mechanism. Ambulance patients had more chronic conditions and severe injuries. Walk-ins had lower in-hospital mortality (850 (.56%) vs 23,131 (4.16%)) and arrived with better vital signs. Multivariable logistic regression models (inverse probability weighting for regression adjustment), adjusting for injury severity, demographics, injury mechanism, and vital signs, confirmed that walk-in status had lower odds of mortality. For the 2019 (pre-COVID-19 pandemic) database, walk-ins also had lower in-hospital mortality.

DISCUSSION

Our results demonstrate better survival rates for walk-ins before and during COVID-19 pandemic. Despite limitations of patient selection bias, this study highlights the need for further research into transportation modes, geographic and socioeconomic factors affecting patient transport, and tailoring management strategies based on their mode of arrival.

Type-O Blood Is Not Associated With Elevated Mortality After Trauma: A North American Cohort Study

BACKGROUND

Recent studies have presented contradictory findings on the relationship between blood type and mortality in trauma patients. Using the largest population in a study of this type to date, we hypothesized that ABO genotype and Rhesus status would influence trauma-related mortality and morbidity given the relationship between blood type and hemostasis.

METHODS

Data from all trauma patients admitted to level I and level II trauma centers in one city over a five-year period was retrospectively analyzed. Patients were stratified by ABO type. Patient demographics and outcomes were then assessed. Chi-squared and Fisher's exact tests were used to analyze categorical variables. Continuous variables were analyzed using ANOVA or Kruskal-Wallis tests as appropriate. Logistic regression was used to determine independent associations for 28-day mortality and complications.

RESULTS

Of 5249 patients, severe injury (ISS >15) was present in 1469. Approximately one-quarter of patients with severe injury received blood products within the first 24 hours. There were no significant variations in demographics or complications between patients of different blood types. Univariate and multivariable regression analysis showed no association between blood type and mortality. However, penetrating injury, lower GCS, higher ISS, blood transfusion within 24 hours, and Asian descent were associated with higher overall mortality.

CONCLUSIONS

In contrast to previous studies, we found no evidence of an association between blood type and mortality. However, our findings suggest that patients of Asian descent may be at higher risk for mortality following trauma. Further research is warranted to explore this observation.

Complication reporting in trauma: An environmental scan and comparison of nationwide trauma registry data

BACKGROUND

To explore variability in quality measurement, this study aimed to compare abstraction and definitions of complications reported across trauma registries in Canada.

METHODS

A literature search was performed to identify active trauma registries used in Canadian hospitals. Registry characteristics, data abstraction, and reported complications and definitions based on registry data dictionaries were compared.

RESULTS

Nine registries were included, most of which were provincial-level registries (67 ​%). A total of 53 individual complications were identified. Twenty-one (40 ​%) were recorded by only one registry each whereas 5 (9 ​%) were collected by all. Of the 32 complications collected by ​> ​1 registry, 18 (56 ​%) had different definitions. Of the 18 with different definitions, 12 (67 ​%), 5 (28 ​%), and 1 (6 ​%) had 2, 3, and 4 different definitions across registries, respectively.

CONCLUSIONS

Complications reported by trauma registries are variable. Reliable benchmarking is likely challenging, and efforts to standardize complication reporting may be a valuable undertaking.

State of the art of trauma teams in Italy: A nationwide study

Trauma teams play a vital role in providing prompt and specialized care to trauma patients. This study aims to provide a comprehensive description of the presence and organization of trauma teams in Italy. A nationwide cross-sectional epidemiological study was conducted between July and October 2022, involving interviews with 137 designated trauma centers. Centers were stratified based on level: higher specialized trauma centers (CTS), intermediate level trauma centers (CTZ + N) and district general hospital with trauma capacity (CTZ). A standardized structured interview questionnaire was used to gather information on hospital characteristics, trauma team prevalence, activation pathways, structure, components, leadership, education, and governance. Descriptive statistics were used for analysis. Results showed that 53 % of the centers had a formally defined trauma team, with higher percentages in CTS (73 %) compared to CTZ + N (49 %) and CTZ (39 %). The trauma team activation pathway varied among centers, with pre-alerts predominantly received from emergency medical services. The study also highlighted the lack of formally defined massive transfusion protocols in many centers. The composition of trauma teams typically included airway and procedure doctors, nurses, and healthcare assistants. Trauma team leadership was predetermined in 59 % of the centers, with anesthesiologists/intensive care physicians often assuming this role. The study revealed gaps in trauma team education and governance, with a lack of specific training for trauma team leaders and low utilization of simulation-based training. These findings emphasize the need for improvements in trauma management education, governance, and the formalization of trauma teams. This study provides valuable insights that can guide discussions and interventions aimed at enhancing trauma care at both local and national levels in Italy.

Complications and Outcomes After Fixation of Lisfranc Injuries at an Urban Level 1 Trauma Center

OBJECTIVES

To evaluate patients with tarsometatarsal fractures and dislocations and describe complications and secondary operations.

METHODS

DESIGN

Retrospective cohort study.

SETTING

Level 1 trauma center.

PATIENT SELECTION CRITERIA

Consecutive adults treated acutely for Lisfranc injuries with reduction and fixation using standard techniques of rigid medial fixation and flexible lateral fixation.

OUTCOME MEASURES AND COMPARISONS

Complications include infections, wound healing problems, nonunion, malunion, and posttraumatic arthrosis (PTA), and secondary unplanned procedures after a minimum of 2-year radiographic follow-up.

RESULTS

Mean age of the included 118 patients was 40 years (range, 18-73 years) and 96 (74%) were male. Comorbidities included obesity (n = 32; 40%), diabetes mellitus (n = 12; 9%), and tobacco use (n = 67; 52%). Thirty (23%) were open injuries, and concomitant forefoot injuries were present in 47% and hindfoot injuries in 12%. Unplanned secondary procedures, including implant removals, were performed on 39 patients (33%), most often for removal of painful implants (26%) or infectious debridement (9%). Sixty-seven complications occurred, with PTA most frequent (37%). Deep infections occurred in 8%. On multivariate analysis, open injury ( P = 0.028, CI = 1.22-30.63, OR = 6.12) and concomitant forefoot injury ( P = 0.03, CI = 1.12-9.76, OR = 3.31) were independent risk factors for complication.

CONCLUSIONS

Open Lisfranc injuries were associated with complications, with deep infections occurring in 9%. Secondary procedures were most often performed for pain relief; the most common late complication was PTA, warranting counseling of patients about potential long-term sequelae of injury.

LEVEL OF EVIDENCE

Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.

Performance Improvement Program Review of Institutional Massive Transfusion Protocol Adherence: An Opportunity for Improvement

BACKGROUND

Given the acuity of patients who receive MTPs and the resources they require, MTPs are a compelling target for performance improvement. This study evaluated adherence with our MTP's plasma:red blood cell ratio (FFPR) of 1:2 and platelet:red blood cell ratio (PLTR) of 1:12, to test the hypothesis that ratio adherence is associated with lower inpatient mortality.

MATERIALS AND METHODS

The registry of an urban level I trauma center was queried for adult patients who received at least 6 units of packed red blood cells within 4 hours of presentation. Patients were excluded for interfacility transfer, cardiac arrest during the prehospital phase or within one hour of arrival, or for head AIS ≥5. Univariate analysis and multiple logistic regressions were performed to identify variables associated with early transfusion protocol noncompliance and the effect on inpatient mortality.

RESULTS

Three hundred and eighty-three patients were included, with mean ISS of 25.9 ± 13.3 and inpatient mortality of 28.5%. Increasing age, ISS, INR, and total units of blood product transfused were associated with increased odds of mortality, while an increase in revised trauma score was associated with a decreased odds ratio of mortality. Achieving our goal ratios were protective against mortality, with OR of .451 (P = .013) and .402 (P=.003), respectively.

DISCUSSION

Large proportions of critically injured patients were transfused fewer units of plasma and platelets than our MTP dictated; failure to achieve intended ratios at 4 hours was strongly associated with inpatient mortality. MTP processes and outcomes should be critically assessed on a regular basis as part of a mature performance improvement program to ensure protocol adherence and optimal patient outcome.

The relationship between patient volume and mortality in NSW major trauma service hospitals

INTRODUCTION

Conventional wisdom is that Major Trauma Services (MTS) treating larger volumes of severe trauma patients will have better outcomes than lower volume centres, but recent studies from Europe have questioned this relationship. We aimed to determine if there is a relationship between patient volume and outcome in New South Wales (NSW) MTS hospitals.

MATERIALS AND METHODS

Retrospective observational study using data from the NSW State Trauma Registry from 2010 to 2019 inclusive. Adult patients with Injury Severity Score >15 transported directly to a NSW MTS were included. Outcome measures were mortality at hospital discharge, and intensive care unit and hospital length of stay. Generalised estimating equation models were created to determine the adjusted relationship between patient volume and the main outcome measures.

RESULTS

The mean annual patient volume of the MTS ranged from 127.4 to 282.0 patients whilst the observed mortality rates p.a. ranged from 10.4 % to 17.19 %. Multivariate analysis, using low volume MTS as the reference, did not demonstrate a significant difference in mortality between high and low volume MTS (adjusted OR: 1.14 95 % CI: 0.98-1.25, P = 0.087). There was however a significant correlation between volume and length of hospital stay (adjusted β; 0.024, 95 % CI, 0.182 - 1.089, P = 0.006).

CONCLUSIONS

There was no mortality difference between high and low volume MTS demonstrated. Length of hospital stay significantly increased with increasing volume however.

Comparing outcomes in patients with exsanguinating injuries: an Eastern Association for the Surgery of Trauma (EAST), multicenter, international trial evaluating prioritization of circulation over intubation (CAB over ABC)

INTRODUCTION

Hemorrhage is a major cause of preventable trauma deaths, and the ABC approach is widely used during the primary survey. We hypothesize that prioritizing circulation over intubation (CAB) can improve outcomes in patients with exsanguinating injuries.

METHODS

A prospective observational study involving international trauma centers was conducted. Patients with systolic blood pressure below 90 who were intubated within 30 min of arrival were included. Prioritizing circulation (CAB) was defined as delaying intubation until blood products were started, and/or bleeding control was performed before securing the airway. Demographics, clinical data, and outcomes were recorded.

RESULTS

The study included 278 eligible patients, with 61.5% falling within the "CAB" cohort and 38.5% in the "ABC" cohort. Demographic and disease characteristics, including age, sex, ISS, use of blood products, and other relevant factors, exhibited comparable distributions between the two cohorts. The CAB group had a higher proportion of penetrating injuries and more patients receiving intubation in the operating room. Notably, patients in the CAB group demonstrated higher GCS scores, lower SBP values before intubation but higher after intubation, and a significantly lower incidence of cardiac arrest and post-intubation hypotension. Key outcomes revealed significantly lower 24-hour mortality in the CAB group (11.1% vs. 69.2%), a lower rate of renal failure, and a higher rate of ARDS. Multivariable logistic regression models showed a 91% reduction in the odds of mortality within 24 h and an 89% reduction at 30 days for the CAB cohort compared to the ABC cohort. These findings suggest that prioritizing circulation before intubation is associated with improved outcomes in patients with exsanguinating injuries.

CONCLUSION

Post-intubation hypotension is observed to be correlated with worse outcomes. The consideration of prioritizing circulation over intubation in patients with exsanguinating injuries, allowing for resuscitation, or bleeding control, appears to be associated with potential improvements in survival. Emphasizing the importance of circulation and resuscitation is crucial, and this approach might offer benefits for various bleeding-related conditions.

Management of complex pediatric and adolescent liver trauma: adult vs pediatric level 1 trauma centers

PURPOSE

Management of high-grade pediatric and adolescent liver trauma can be complex. Studies suggest that variation exists at adult (ATC) vs pediatric trauma centers (PTC); however, there is limited granular comparative data. We sought to describe and compare the management and outcomes of complex pediatric and adolescent liver trauma between a level 1 ATC and two PTCs in a large metropolitan city.

METHODS

A retrospective review of pediatric and adolescent (age < 21 years) patients with American Association for the Surgery of Trauma (AAST) Grade 4 and 5 liver injuries managed at an ATC and PTCs between 2016 and 2022 was performed. Demographic, clinical, and outcome data were obtained at the ATC and PTCs. Primary outcomes included rates of operative management and use of interventional radiology (IR). Secondary outcomes included packed red blood cell (pRBC) utilization, intensive care unit (ICU) length of stay (LOS), and hospital LOS.

RESULTS

One hundred forty-four patients were identified, seventy-five at the ATC and sixty-nine at the PTC. The cohort was predominantly black (65.5%) males (63.5%). Six injuries (8.7%) at the PTC and forty-five (60%) injuries at the ATC were penetrating trauma. Comparing only blunt trauma, ATC patients had higher Injury Severity Score (median 37 vs 26) and ages (20 years vs 9 years). ATC patients were more likely to undergo operative management (26.7% vs 11.0%, p = 0.016) and utilized IR more (51.9% vs 4.8%, p < 0.001) compared to the PTC. The patients managed at the ATC required higher rates of pRBC transfusions though not statistically significant (p = 0.06). There were no differences in mortality, ICU, or hospital LOS.

CONCLUSION

Our retrospective review of high-grade pediatric and adolescent liver trauma demonstrated higher rates of IR and operating room use at the ATC compared to the PTC in the setting of higher Injury Severity Score and age. While the PTC successfully managed > 95% of Grade 4/5 liver injuries non-operatively, prospective data are needed to determine the optimal algorithm for management in the older adolescent population.

LEVEL OF EVIDENCE

Level IV.

Impact of COVID-19 pandemic on interhospital transfer of patients with major trauma in Korea: a retrospective cohort study

BACKGROUND

Interhospital transfer (IHT) is necessary for providing ultimate care in the current emergency care system, particularly for patients with severe trauma. However, studies on IHT during the pandemic were limited. Furthermore, evidence on the effects of the coronavirus disease 2019 (COVID-19) pandemic on IHT among patients with major trauma was lacking.

METHOD

This retrospective cohort study was conducted in an urban trauma center (TC) of a tertiary academic affiliated hospital in Daegu, Korea. The COVID-19 period was defined as from February 1, 2020 to January 31, 2021, whereas the pre-COVID-19 period was defined as the same duration of preceding span. Clinical data collected in each period were compared. We hypothesized that the COVID-19 pandemic negatively impacted IHT.

RESULTS

A total of 2,100 individual patients were included for analysis. During the pandemic, the total number of IHTs decreased from 1,317 to 783 (- 40.5%). Patients were younger (median age, 63 [45-77] vs. 61[44-74] years, p = 0.038), and occupational injury was significantly higher during the pandemic (11.6% vs. 15.7%, p = 0.025). The trauma team activation (TTA) ratio was higher during the pandemic both on major trauma (57.3% vs. 69.6%, p = 0.006) and the total patient cohort (22.2% vs. 30.5%, p < 0.001). In the COVID-19 period, duration from incidence to the TC was longer (218 [158-480] vs. 263[180-674] minutes, p = 0.021), and secondary transfer was lower (2.5% vs. 0.0%, p = 0.025).

CONCLUSION

We observed that the total number of IHTs to the TC was reduced during the COVID-19 pandemic. Overall, TTA was more frequent, particularly among patients with major trauma. Patients with severe injury experienced longer duration from incident to the TC and lesser secondary transfer from the TC during the COVID-19 pandemic.

Inappropriate Pediatric Orthopaedic Emergency Department Transfers: A Burden on the Health Care System

BACKGROUND

Though the importance of level 1 pediatric trauma has repeatedly been shown to lessen both morbidity and mortality in critically injured children, these same tertiary referral centers also receive numerous transfers of patients with less severe injuries. This not only leads to increased costs and use of limited facility resources but, oftentimes, frustration and unnecessary expense to those families for whom transfer was avoidable. Prior work has demonstrated that half of all inappropriate pediatric interfacility transfers are due to orthopedic injuries. This study aims to evaluate the incidence of inappropriate transfers of pediatric patients with isolated orthopedic injuries to a pediatric level 1 trauma center and identify factors associated with such transfers.

METHODS

All patients transferred to a large metropolitan level 1 pediatric trauma center for isolated orthopedic injuries over a 6-year period were retrospectively evaluated. Medical records were reviewed for demographic and injury data, including age, gender, race, social deprivation index, insurance status, location of transferring institution, timing of transfer, and availability of orthopedic on-call coverage at transferring institution. The transfer was deemed to be appropriate if the patient required a sedated reduction, was admitted to the hospital, or was taken to the operating room within 24 hours of transfer. Regression analysis was reviewed for each of the demographic, patient, and transfer characteristics in an attempt to isolate those associated with inappropriate transfer.

RESULTS

In all, 437 transfers occurred during the study period. Of these, 112 (26%) were deemed inappropriate. 4% of patients transferred for orthopedic injuries did not receive an orthopedic consult following the transfer. Non-white patients were more likely than white patients to be transferred inappropriately (34.01% vs. 21.58%, P=0.009 ). No other demographic characteristic was predictive of inappropriate transfer. There was no difference in the rate of appropriate transfer between patients with private insurance versus government-funded, self-paying, or uninsured patients. The timing of transfer (night vs. day and weekday vs. weekend) did not affect the appropriateness of transfer. Facilities with orthopaedic on-call coverage were more likely to inappropriately transfer patients than those without (26.6% vs. 23.4%, P<0.001 ).

CONCLUSION

A quarter of patients transferred for isolated orthopaedic injuries were inappropriately transferred. Unlike studies published in adult literature, the timing of transfer (overnight and weekend) and the insurance status of the patient did not appear to play a role in the appropriateness of transfer. Inappropriate and unnecessary trauma transfers create a significant burden on tertiary referral centers. Raising awareness of the high incidence of unnecessary transfers coupled with enhanced education of outside emergency medicine providers may result in better stewardship of health care resources, limit delays in patient care, and reduce strain on both the health care delivery system and the families of injured children.

LEVEL OF EVIDENCE

Level III-Therapeutic Study.

Getting patients to the right level of trauma center after motorcycle crashes in a rural trauma system

PURPOSE

After a motorcycle crash (MCC), emergency medical services (EMS) responders must balance trauma center proximity with clinical needs of patients, which is especially challenging in rural states. The study purpose was to determine if MCC patients treated at lower-level trauma centers (LLTC) experienced higher mortality when compared to patients transported directly to the highest level of trauma care available in the state at Level II trauma centers.

PROCEDURES

A retrospective study was conducted on MCC patients transported by EMS to Montana hospitals and met registry inclusion criteria in 2020-2021. The first study group included patients initially transported to state-designated trauma centers (equivalent to Level III-V) or non-designated hospitals (LLTC), and the second group included patients transported directly to American College of Surgeon verified Level II trauma centers (L2TC). Secondary transfer was defined as initial transport to a LLTC and subsequent transfer to a L2TC. Primary study outcome was mortality at the L2TC. Chi-square tests and Wilcoxon rank sum tests were used for analysis.

FINDINGS

In the study period, 337 MCC patients were transported by EMS; 186 (55%) patients were transported to a LLTC while 151 patients (45%) were transported to a L2TC. There were no statistically significant differences in mortality (12% vs 8%, p = 0.30) when comparing secondary transfer patients to patients transported directly to a L2TC.

CONCLUSIONS

Nearly half of patients initially evaluated at a LLTC required transfer to a higher-level of care. Secondary transfer was not associated with increased mortality.

Identification and management of low-risk isolated traumatic brain injury patients initially treated at a rural level IV trauma center

STUDY OBJECTIVE

Our goal was to determine if low-risk, isolated mild traumatic brain injury (TBI) patients who were initially treated at a rural emergency department may have been safely managed without transfer to the tertiary referral trauma center.

METHODS

This was a retrospective observational analysis of isolated mild TBI patients who were transferred from a rural Level IV Trauma Center to a regional Level I Trauma Center between 2018 and 2022. Patients were risk-stratified according to the modified Brain Injury Guidelines (mBIG). Data abstracted from the electronic medical record included patient presentation, management, and outcomes.

RESULTS

250 patients with isolated mild TBI were transferred out to the Level I Trauma Center. Fall was the most common mechanism of injury (69.2%). 28 patients (11.2%) were categorized as low-risk (mBIG1). No mBIG1 patients suffered a progression of neurological injury, had worsening of intracranial hemorrhage on repeat head CT, or required neurosurgical intervention. 12/28 (42.9%) of mBIG1 patients had a hospital length of stay of 2 days or less, typically for observation. Those with longer lengths of stay were due to medical complications, such as sepsis, or difficulty in arranging disposition.

CONCLUSION

We propose that patients who meet mBIG1 criteria may be safely observed without transfer to a referral Level I Trauma Center. This would be of considerable benefit to patients, who would not need to leave their community, and would improve resource utilization in the region.

The effect of a clock's presence on trauma resuscitation times in a Dutch level-1 trauma center: a pre-post cohort analysis

PURPOSE

Interventions performed within the first hour after trauma increase survival rates. Literature showed that measuring times can optimize the trauma resuscitation process as time awareness potentially reduces acute care time. This study examined the effect of a digital clock placement on trauma resuscitation times in an academic level-1 trauma center.

METHODS

A prospective observational pre-post cohort analysis was conducted for six months before and after implementing a visible clock in the trauma resuscitation room, indicating the time passed since starting the in-hospital resuscitation process. Trauma patients (age ≥ 16) presented during weekdays between 9.00 AM and 9.00 PM were included. Time until diagnostics (X-Ray, FAST, or CT scan), time until therapeutic intervention, and total resuscitation time were measured manually with a stopwatch by a researcher in the trauma resuscitation room. Patient characteristics and information regarding trauma- and injury type were collected. Times before and after clock implementation were compared.

RESULTS

In total, 100 patients were included, 50 patients in each cohort. The median total resuscitation time (including CT scan) was 40.3 min (IQR 23.3) in the cohort without a clock compared to 44.3 (IQR 26.1) minutes in the cohort with a clock. The mean time until the first diagnostic and until the CT scan was 8.3 min (SD 3.1) and 25.5 min (SD 7.1) without a clock compared to 8.6 min (SD 6.5) and 26.6 min (SD 11.5) with a clock. Severely injured patients (Injury Severity Score (ISS) ≥ 16) showed a median resuscitation time in the cohort without a clock (n = 9) of 54.6 min (IQR 50.5) compared to 46.0 min (IQR 21.6) in the cohort with a clock (n = 8).

CONCLUSION

This study found no significant reduction in trauma resuscitation time after clock placement. Nonetheless, the data represent a heterogeneous population, not excluding specific patient categories for whom literature has shown that a short time is essential, such as severely injured patients, might benefit from the presence of a trauma clock. Future research is recommended into resuscitation times of specific patient categories and practices to investigate time awareness.

Incidence of surgical rib fixation at chest wall injury society collaborative centers and a guide for expected number of cases (CWIS-CC1)

PURPOSE

Surgical stabilization of rib fractures (SSRF) improves outcomes in certain patient populations. The Chest Wall Injury Society (CWIS) began a new initiative to recognize centers who epitomize their mission as CWIS Collaborative Centers (CWIS-CC). We sought to describe incidence and epidemiology of SSRF at our institutions.

METHODS

A retrospective registry evaluation of all patients (age > 15 years) treated at international trauma centers from 1/1/20 to 7/30/2021 was performed. Variables included: age, gender, mechanism of injury, injury severity score, abbreviated injury severity score (AIS), emergency department disposition, length of stay, presence of rib/sternal fractures, and surgical stabilization of rib/sternal fractures. Classification and regression tree analysis (CART) was used for analysis.

RESULTS

Data were collected from 9 centers, 26,084 patient encounters. Rib fractures were present in 24% (n = 6294). Overall, 2% of all patients underwent SSRF and 8% of patients with rib fractures underwent SSRF. CART analysis of SSRF by AIS-Chest demonstrated a difference in management by age group. AIS-Chest 3 had an SSRF rate of 3.7, 7.3, and 12.9% based on the age ranges (16-19; 80-110), (20-49; 70-79), and (50-69), respectively (p = 0.003). AIS-Chest > 3 demonstrated an SSRF rate of 9.6, 23.3, and 39.3% for age ranges (16-39; 90-99), (40-49; 80-89), and (50-79), respectively (p = 0.001).

CONCLUSION

Anticipated rate of SSRF can be calculated based on number of rib fractures, AIS-Chest, and age. The disproportionate rate of SSRF in patients age 50-69 with AIS-Chest 3 and age 50-79 with AIS-Chest > 3 should be further investigated, as lower frequency of SSRF in the other age ranges may lead to care inequalities.

Treatment of Acute Traumatic Central Cord Syndrome: A Study of North American Trauma Centers

BACKGROUND AND OBJECTIVES

Central cord syndrome (CCS) is expected to become the most common traumatic spinal cord injury, yet its optimal management remains unclear. This study aimed to evaluate variability in nonoperative vs operative treatment for CCS between trauma centers in the American College of Surgeons Trauma Quality Improvement Program, identify patient- and hospital-level factors associated with treatment, and determine the association of treatment with outcomes.

METHODS

Adults with CCS were identified from the Trauma Quality Improvement Program database (2014-2016). Mixed-effects modeling with a random intercept for trauma centers was used to examine the adjusted association of patient- and hospital-level variables with nonoperative treatment. The random-effects output of the model assessed the risk-adjusted variability in nonoperative treatment across centers. Outlier hospitals were identified, and the median odds ratio was calculated. The adjusted effect of nonoperative treatment on mortality, morbidity, and hospital length of stay (LOS) was examined at the patient and hospital level by mixed-effects regression.

RESULTS

Three thousand, nine hundred twenty-eight patients across 255 centers were eligible; of these, 1523 (38.8%) were treated nonoperatively. Older age, noncommercial insurance (odds ratio [OR] 1.26, 95% CI 1.08-1.48, P = .004), absence of fracture (OR 0.58, 95% CI 0.49-0.68, P < .001), severe head injury (OR 1.41, 95% CI 1.09-1.82, P = .008), and comatose presentation (1.82, 95% CI 1.15-2.89, P = .011) were associated with nonoperative treatment. Twenty-eight hospitals were outliers, and the median odds ratio was 2.02. Patients receiving nonoperative treatment had shorter LOS (mean difference -4.65 days). Nonoperative treatment was associated with lesser in-hospital morbidity (OR 0.49, 95% CI 0.37-0.63, P < .001) at the patient level. There was no difference in mortality.

CONCLUSION

Operative decision-making for CCS is influenced by patient factors. There remains substantial variability between trauma centers not explained by case-mix differences. Nonoperative treatment was associated with shorter hospital LOS and lesser inpatient morbidity.

Design and psychometric properties of the acute care quality in trauma emergency units scale

BACKGROUND

Systematic trauma care scale could be designed and used by nurses to completely and adequately fulfill a complex care to improve trauma care quality. The purpose of this study was to design and evaluate the psychometric property of the Nursing Care Quality in Trauma Emergency Units and trauma care promotion.

METHODS

This methodological study was conducted in 2022. The process of designing and psychometric assessment of the scale was performed in two steps such as Generating an Item Pool and Validity and Reliability evaluation (Item reduction). The construct validity was determined using the experimental intervention; for determining the reliability of the scale and internal consistency, we measured the inter-rater reliability (IRR). Data were analyzed using the SPSS software, version 22.

RESULTS

Based on our findings, the CVI and CVR of the scale were 1 and 0.83-1, respectively. A significant difference between the pre- and post-intervention scores in group 1 supports the inference that the construct has been appropriately represented, and the instrument has construct validity (p < 0.001). We found that there was a significant difference in the scores of Patient assessment, Planning and Implementations, and Evaluation of the care plan. The inter-rater reliability method allows the optimal reliability assessment of observational instruments, which was used in this study, and the results confirmed excellent reliability of the instrument.

CONCLUSIONS

The validity and reliability of the Nursing Care Quality in Trauma Emergency Units Scale were confirmed. The instrument could successfully assess the process of nursing care in the trauma emergency ward. The use of this checklist is recommended as a valid observational tool for other researchers.

STUDY TYPE

Therapeutic/care management.

Review article: Pre-hospital trauma guidelines and access to lifesaving interventions in Australia and Aotearoa/New Zealand

The centralisation of trauma services in western countries has led to an improvement in patient outcomes. Effective trauma systems include a pre-hospital trauma system. Delivery of high-level pre-hospital trauma care must include identification of potential major trauma patients, access and correct application of lifesaving interventions (LSIs) and timely transport to definitive care. Globally, many nations endorse nationwide pre-hospital major trauma triage guidelines, to ensure a universal approach to patient care. This paper examined clinical guidelines from all 10 EMS in Australia and Aotearoa/New Zealand. All relevant trauma guidelines were included, and key information was extracted. Authors compared major trauma triage criteria, all LSI included in guidelines, and guidelines for transport to definitive care. The identification of major trauma patients varied between all 10 EMS, with no universal criteria. The most common approach to trauma triage included a three-step assessment process: physiological criteria, identified injuries and mechanism of injury. Disparity between physiological criteria, injuries and mechanism was found when comparing guidelines. All 10 EMS had fundamental LSI included in their trauma guidelines. Fundamental LSI included haemorrhage control (arterial tourniquets, pelvic binders), non-invasive airway management (face mask ventilation, supraglottic airway devices) and pleural wall needle decompression. Variation in more advanced LSI was evident between EMS. Optimising trauma triage guidelines is an important aspect of a robust and evidence driven trauma system. The lack of consensus in trauma triage identified in the present study makes benchmarking and comparison of trauma systems difficult.

Preventable deaths in hospitalized trauma patients

AIM

To study the preventable trauma deaths of hospitalized patients in the United Arab Emirates and to identify opportunities for improvement.

METHODS

We analyzed the Abu Dhabi Emirate Trauma Registry data of admitted patients who died in the emergency department or in hospital from 2014 to 2019. A panel of experts categorize the deaths into not preventable (NP), potentially preventable (PP), and definitely preventable (DP).

RESULTS

A total of 405 deaths were included, and 82.7% were males. The majority (89.1%) were NP, occurring mainly in the emergency department (40.4%) and the intensive care unit (49.9%). The combined potentially preventable and preventable death rate was 10.9%. The median (Interquartile range) age of the DP was 57.5 (37-76) years, compared with 32 (24-42) and 34 (25-55) years for NP and PP, respectively (p = 0.008). Most of the PP deaths occurred in the intensive care unit (55.6%), while the DP occurred mainly in the ward (50%). Falls accounted for 25% of PP and DP. Deficiencies in airway care, hemorrhage control, and fluid management were identified in 25%, 43.2% and 29.5% of the DP/PP deaths, respectively. Seventy-two percent of the Airway deficiencies occurred in the prehospital, while 34.1% of hemorrhage control deficiencies were in the emergency department. Fluid management deficiencies occurred in the emergency department and the operation theater.

CONCLUSIONS

DP and PP deaths comprised 10.9% of the deaths. Most of the DP occurred in the emergency department and ward. Prehospital Airway and in-hospital hemorrhage and excessive fluid were the main areas for opportunities for improvement.

'No zone' approach in the management of penetrating neck injuries - an Australian Tertiary Trauma Centre experience

PURPOSE

Penetrating neck injuries (PNIs), defined as deep to the platysma, can result in significant morbidity and mortality. Management has evolved from a zone-based approach to a 'no zone' algorithm, resulting in reduced non-therapeutic neck exploration rates. The aim of this study was to examine PNIs and its management trends in an Australian tertiary trauma centre, to determine if a 'no zone' approach could be safely implemented in this population, as has been demonstrated internationally.

METHODOLOGY

This was a retrospective observational study at a level 1 adult Australian tertiary trauma centre using prospectively collated data from January 2008 to December 2018. Observed data included age, gender, mechanism of injury, computed tomography angiography (CT-A) use and operative intervention. Patients were examined based on zone of injury and presenting signs - 'hard', 'soft' or 'asymptomatic'. Major outcomes were CT-A usage, positive CT-A correlation with therapeutic neck explorations and negative neck exploration rates.

RESULTS

This study identified 238 PNI patients, with 204 selected for review. Most injuries occurred in zone 2 (71.6%), with soft signs accounting for 53.4% of cases. Over 10 years, CT-A utilization increased from 55% to 94.1%, with positive CT-As being more likely to yield therapeutic neck explorations. There was a general decreased trend in operative intervention but without a clear reduction in non-therapeutic neck explorations.

CONCLUSION

Our data suggests similarities with results from around the world, demonstrating that the 'no zone' approach should be considered when managing PNIs, but with clinician discretion in individual cases.

Cribari, does it apply in real time? An analysis of a community level 1 trauma center

BACKGROUND

Major Trauma Code 1 (TC1) activations require significant resources to provide immediate treatment to potentially unstable, critically ill, patients. The Cribari Matrix Method (CMM) and Need For Trauma Intervention (NFTI) are two ways to determine over and undertriage in trauma. We studied the overtriage rate at a community level 1 trauma center using these two methods to determine the efficacy of the triage criteria in TC1 activations.

METHOD

A retrospective review of all patients in the trauma registry of a level 1 American College of Surgeons trauma program from May to October 2021 was performed. Overtriage rates were determined using CMM and NFTI criteria.

RESULTS

The overtriage rate of 552 activations using CMM alone was 73%. CMM combined with NFTI resulted in a 56% overtriage rate.

CONCLUSION

The Cribari method can be used to determine the effectiveness of a system's trauma code 1 criteria but cannot delineate which criteria should be reviewed.

Tractor Injuries in the Upper Midwestern United States: a retrospective analysis of four trauma centers

OBJECTIVES

The purpose of the present study was to characterize the incidence, injury characteristics, and outcomes of patients presented to four trauma facilities located in the upper Midwest with tractor-related agricultural injuries.

METHODS

We performed a retrospective review of the facility level trauma registries of four trauma centers located in North Dakota, South Dakota, and Minnesota between January 1, 2010 and December 31, 2021. We characterized the incidence, severity and outcomes of traumatic tractor-related agricultural injuries for pediatric and adult patients. We described the nature of these injuries by severity, anatomical site, type, age, sex, and length of stay (LoS). Injury severity was evaluated using Injury Severity Score (ISS) and Abbreviated Injury Scale (AIS).

RESULTS

Findings indicated that farmers aged 65 and older experience polytraumatic, severe tractor-related agricultural injuries and fatalities. Of the 177 tractor patients analyzed, 40 patients were between the ages of 65 and 74 years and 45 patients were 75 and over. Male farmers aged 65 and older are injured year-round, many are discharged to skilled nursing facilities for additional care, are spending more time in the hospital, and have the highest rate of critical injuries out of all age groups. Moreover, the patients who died as a result of tractor-related agricultural injuries were men over 65 years. The most common tractor-related agricultural injuries include falls from tractors (n = 53), struck by object falling/propelled from tractor (n = 25), rollovers (n = 26), and runovers (n = 24). Falls from tractors accounted for 33% of all tractor-related upper extremity fractures, 36% of head injuries and 29% of chest injuries.

CONCLUSION

The findings from this study indicate that tractor-related agricultural injuries represent a significant problem in the upper Midwest. Older, male farm workers experience a higher incidence of tractor-related agricultural injuries, and all tractor-related fatalities occurred in individuals 65 years of age and older. These results underscore the need for further investigation into aging-related farm safety issues.

Comparing outcomes following direct admission and early transfer to specialized trauma centers in open tibial fracture treatment: a systematic review and meta-analysis

INTRODUCTION

Guidelines on the management of open tibia fractures recommend timely treatment in a limb reconstruction center which offer joint orthopedic-trauma and plastic surgery services. However, patient's transfer between centers remains inevitable. This review aims to evaluate the clinical outcomes and hospital factors for patients directly admitted and transferred patients to a limb-reconstruction center.

METHODS

A research protocol adhering to PRISMA standards was established. The search included databases like MEDLINE, EMBASE, and the Cochrane library up until March 2023. Nine articles met the inclusion criteria, focusing on open tibia fractures. Exclusion criteria were experimental studies, animal studies, and case reports. Outcomes of interest were operation and infection rates, nonunion, limb salvage, and the Enneking limb score.

RESULTS

The analysis involved data from 520 patients across nine studies published between 1990 and 2023, with the majority (83.8%) having Gustilo Anderson type III open tibia fractures. Directly admitted patients showed lower overall infection rates (RR 0.30; 95% CI 0.10-0.90; P = 0.03) and fewer deep infections (RR 0.39; 95% CI 0.22-0.68; P = 0.001) compared to transferred patients. Transferred patients experienced an average five-day delay in soft tissue closure and extended hospital stays by eight days. Patients transferred without initial surgical management underwent fewer total surgical procedures. The direct admission group displayed more favorable functional outcomes.

CONCLUSION

Low- to moderate-quality evidence indicates worse clinical outcomes for transferred patients compared to directly admitted patients. Early treatment in specialized limb reconstruction units is essential for improved results in the management of open tibia fractures.

LEVEL OF EVIDENCE

Therapeutic level IIa.

Is it possible to predict mortality in patients with high-grade blunt liver injury? A single trauma center study

BACKGROUND

Blunt abdominal trauma constitutes a significant portion of trauma cases and is often associated with liver injury. Given that high-grade liver injuries remain life-threatening, identifying patients who will likely require more vigilant attention and care is crucial. This study aims to determine the parameters that increase mortality in patients with high-grade liver trauma.

METHODS

This study enrolled 38 patients with Grade III or higher liver injuries, treated by the general surgery department between 2008 and 2023. Eleven patients who died were categorized into Group 1, and 27 survivors were placed in Group 2. We evaluated their respective mechanisms of injury, imaging results, Glasgow Coma Scale scores, Base Excess, Lactate levels, pH, and Injury Severity Score findings. Receiver Operating Characteristics (ROC) analysis was performed for parameters with significant differences, and certain cutoff values were determined.

RESULTS

The grade of liver injury and additional abdominal organ injuries were significantly higher in Group 1 (p<0.05). The difference in extra-abdominal injury sites was statistically insignificant between the groups (p>0.05). Erythrocyte suspension requirements were significantly higher in Group 1 (p<0.05). Average lactate and base deficit values were also significantly higher in Group 1 (p<0.05), while leukocyte counts were significantly lower in Group 1 (p<0.05).

CONCLUSION

Base deficit, hemoglobin (Hb), lactate levels, injury severity, liver injury grade, accompanying abdominal injuries at admission, and erythrocyte suspension demands were found to be associated with increased mortality rates. Certain cutoff values for the aforementioned parameters could be established. However, further data are required to confirm these findings.

Defining pre-existing disability among adults captured by the National Trauma Data Bank: A descriptive assessment of patient characteristics and details of injury

BACKGROUND

There is limited research on trauma in people with disability (PWD), despite potentially increased risk for trauma and negative outcomes following injury.

OBJECTIVE

This study describes characteristics of trauma among both narrow and broad subsamples of PWD.

METHODS

Data from the 2016 National Trauma Data Bank was used to identify two Disability Comparison Groups (DCGs). DCG-1 included adult patients with a functionally dependent health status, and DCG-2 included DCG-1 plus other adult patients with disability-associated diagnoses. Trauma characteristics (e.g., signs of life, intent of injury, mechanism of injury, and injury severity score [ISS]) were compared via logistic regression.

RESULTS

Among the 782,241 reported trauma events, 39,011 belonged to DCG-1 and 193,513 to DCG-2. Falls caused most instances of trauma across both groups (DCG-1: 88.7 %; DCG-2: 67.3 %). Both DCGs were less likely than patients without disability to arrive at the facility without signs of life (DCG-1:aOR = 0.22, 95%CI 0.15-0.31; DCG-2:aOR = 0.40, 95%CI 0.36-0.45) or to have an ISS greater than 15 (DCG-1:aOR = 0.81, 95%CI 0.79-0.84; DCG-2:aOR = 0.92, 95%CI:0.91-0.94). They were, however, more likely to have an ISS greater than or equal to 8 (DCG-1:aOR = 1.14, 95%CI 1.11-1.16; DCG-2:aOR = 1.06, 95%CI 1.05-1.07).

CONCLUSION

PWD have greater odds for moderately scored injuries and presenting with signs of life at U.S. trauma centers compared to patients without disability. However, they can be more likely to have certain intents and mechanisms of trauma depending on their functional status and the nature of their impairment. Differences warrant further and continued assessment of trauma experiences among patients with pre-existing disability.

Development and validation of a trauma frailty scale in severely injured patients: the Nottingham Trauma Frailty Index

Aims

Frailty greatly increases the risk of adverse outcome of trauma in older people. Frailty detection tools appear to be unsuitable for use in traumatically injured older patients. We therefore aimed to develop a method for detecting frailty in older people sustaining trauma using routinely collected clinical data.

Methods

We analyzed prospectively collected registry data from 2,108 patients aged ≥ 65 years who were admitted to a single major trauma centre over five years (1 October 2015 to 31 July 2020). We divided the sample equally into two, creating derivation and validation samples. In the derivation sample, we performed univariate analyses followed by multivariate regression, starting with 27 clinical variables in the registry to predict Clinical Frailty Scale (CFS; range 1 to 9) scores. Bland-Altman analyses were performed in the validation cohort to evaluate any biases between the Nottingham Trauma Frailty Index (NTFI) and the CFS.

Results

In the derivation cohort, five of the 27 variables were strongly predictive of the CFS (regression coefficient B = 6.383 (95% confidence interval 5.03 to 7.74), p < 0.001): age, Abbreviated Mental Test score, admission haemoglobin concentration (g/l), pre-admission mobility (needs assistance or not), and mechanism of injury (falls from standing height). In the validation cohort, there was strong agreement between the NTFI and the CFS (mean difference 0.02) with no apparent systematic bias.

Conclusion

We have developed a clinically applicable tool using easily and routinely measured physiological and functional parameters, which clinicians and researchers can use to guide patient care and to stratify the analysis of quality improvement and research projects.

E-scooter accidents-epidemiology and injury patterns: 3-year results from a level 1 trauma center in Germany

INTRODUCTION

Since the introduction of e-scooters in Germany in 2019, they are becoming more and more popular and associated injuries have increased significantly. The aim of this study was to assess the injury patterns after e-scooter accidents.

MATERIALS AND METHODS

From May 2019 to October 2022, all consecutive patients who presented at our emergency department (ED) following e-scooter accidents were included in our study and retrospectively analyzed.

RESULTS

A total of 271 patients were included in our study. The mean age was 33 years. 38% of the patients were female and 62% were male. Most common injuries were traumatic brain injuries in 38% of the patients together with fractures affecting the upper limb (17%). An operative treatment was necessary in 40 patients. Most of the patients presented at night and about 30% were under the influence of alcohol.

CONCLUSIONS

Our study shows one of the largest cohort of patients suffering e-scooter accidents in Europe. Compulsory helmet use, stricter alcohol controls and locking periods could contribute significantly to safety.

Comparative Analysis of META and SALT Disaster Triage in an Adult Trauma Population: A Retrospective Observational Study

BACKGROUND

Medical professionals can use mass-casualty triage systems to assist them in prioritizing patients from mass-casualty incidents (MCIs). Correct triaging of victims will increase their chances of survival. Determining the triage system that has the best performance has proven to be a difficult question to answer. The Advanced Prehospital Triage Model (Modelo Extrahospitalario de Triaje Avanzado; META) and Sort, Assess, Lifesaving Interventions, Treatment/Transport (SALT) algorithms are the most recent triage techniques to be published. The present study aimed to evaluate the META and SALT algorithms' performance and statistical agreement with various standards. The secondary objective was to determine whether these two MCI triage systems predicted patient outcomes, such as mortality, length-of-stay, and intensive care unit (ICU) admission.

METHODS

This retrospective study used patient data from the trauma registry of an American College of Surgeons Level 1 trauma center, from January 1, 2018 through December 31, 2020. The sensitivity, specificity, and statistical agreement of the META and SALT triage systems to various standards (Revised Trauma Score [RTS]/Sort Triage, Injury Severity Score [ISS], and Lerner criteria) when applied using trauma patients. Statistical analysis was used to assess the relationship between each triage category and the secondary outcomes.

RESULTS

A total of 3,097 cases were included in the study. Using Sort triage as the standard, SALT and META showed much higher sensitivity and specificity in the Immediate category than for Delayed (Immediate sensitivity META 91.5%, SALT 94.9%; specificity 60.8%, 72.7% versus Delayed sensitivity 28.9%, 1.3%; specificity 42.4%, 28.9%). With the Lerner criteria, in the Immediate category, META had higher sensitivity (77.1%, SALT 68.6%) but lower specificity (61.1%) than SALT (71.8%). For the Delayed category, SALT showed higher sensitivity (META 61.4%, SALT 72.2%), but lower specificity (META 75.1%, SALT 67.2%). Both systems showed a positive, though modest, correlation with ISS. For SALT and META, triaged Immediate patients tended to have higher mortality and longer ICU and hospital lengths-of-stay.

CONCLUSION

Both META and SALT triage appear to be more accurate with Immediate category patients, as opposed to Delayed category patients. With both systems, patients triaged as Immediate have higher mortality and longer lengths-of-stay when compared to Delayed patients. Further research can help refine MCI triage systems and improve accuracy.

Progressive Reduction in Preventable Mortality in a State Trauma System Using Continuous Preventable Mortality Review to Drive Provider Education: Results of Analyzing 1,979 Trauma Deaths from 2015 to 2022

BACKGROUND

The state legislature codified and funded the Arkansas Trauma System (ATS) in 2009. Quarterly preventable mortality reviews (PMRs) by the ATS began in 2015 and were used to guide state-wide targeted education to reduce preventable or potentially preventable (P/PP) deaths. We present the results of this PMR-education initiative from 2015 to 2022.

STUDY DESIGN

The ATS uses a statistical sampling model of the Arkansas Trauma Registry to select ~40% of the deaths for quarterly review, reflecting the overall the Arkansas Trauma Registry mortality population. A multispecialty PMR committee reviews the medical records from prehospital care to death, and hospital and regional advisory council reviews for each death. The PMR committee assigns opportunities for improvement (OFIs), cause(s) of death, and the likelihood of preventability for each case. Education to improve trauma care includes annual state-wide trauma meetings, novel classes targeted at level III/IV trauma center hospital providers, trauma evidence-based guidelines, and PMR "pearls."

RESULTS

We reviewed 1,979 deaths with 211 (10.6%) deaths judged to be P/PP deaths. There was a progressive decrease in P/PP deaths and OFIs for P/PP deaths. Five OFI types targeted by education accounted for 72% of the 24 possible OFI types in the P/PP cases, and 94% of the "contributory OFIs." Reductions in "delay in treatment" resulted in the most rapid decrease in P/PP deaths.

CONCLUSIONS

Using ongoing PMR studies to target provider education led to a reduction in P/PP deaths and OFIs for P/PP deaths. Focusing on education designed to improve preventable mortality can result in a substantial decrease in P/PP deaths by 43% (14% to 8%) for trauma systems.

Geriatric Motorcycle-Related Outcomes: A Pennsylvania Multicenter Study

INTRODUCTION

Geriatric patients (GeP) often experience increased morbidity and mortality following traumatic insult and as a result, require more specialized care due to lower physiologic reserve and underlying medical comorbidities. Motorcycle injuries (MCCI) occur across all age groups; however, no large-scale studies evaluating outcomes of GeP exist for this particular subset of patients. Data thus far are limited to elderly participation in recreational activities such as water and alpine skiing, snowboarding, equestrian, snowmobiles, bicycles, and all-terrain vehicles. We hypothesized that GeP with MCCI will have a higher rate of mortality when compared with their younger counterparts despite increased helmet usage.

METHODS

We performed a multicenter retrospective review of MCCI patients at three Pennsylvania level I trauma centers from January 2016 to December 2020. Data were extracted from each institution's electronic medical records and trauma registry. GeP were defined as patients aged more than or equal to 65 y. The primary outcome was mortality. Secondary outcomes included ventilator days; hospital, intensive care unit, and intermediate unit length of stays; complications; and helmet use. 3:1 nongeriatric patients (NGeP) to GeP propensity score matching (PSM) was based on sex, abbreviated injury scale (AIS), and injury severity score (ISS). P ≤ 0.05 was considered significant.

RESULTS

One thousand five hundred thirty eight patients were included (GeP: 7% [n = 113]; NGP: 93% [n = 1425]). Prior to PSM, GeP had higher median Charlson Comorbidity Index (GeP: 3.0 versus NGeP: 0.0; P ≤ 0.001) and greater helmet usage (GeP: 73.5% versus NGeP: 54.6%; P = 0.001). There was a statistically significant difference between age cohorts in terms of ISS (GeP: 10.0 versus NGeP: 6.0, P = 0.43). There was no significant difference for any AIS body region. Mortality rates were similar between groups (GeP: 1.7% versus NGeP: 2.6%; P = 0.99). After PSM matching for sex, AIS, and ISS, GeP had significantly more comorbidities than NGeP (P ≤ 0.05). There was no difference in trauma bay interventions or complications between cohorts. Mortality rates were similar (GeP: 1.8% versus NGeP: 3.2%; P = 0.417). Differences in ventilator days as well as intensive care unit length of stay, intermediate unit length of stay, and hospital length of stay were negligible. Helmet usage between groups were similar (GeP: 64.5% versus NGeP: 66.8%; P = 0.649).

CONCLUSIONS

After matching for sex, ISS, and AIS, age more than 65 y was not associated with increased mortality following MCCI. There was also no significant difference in helmet use between groups. Further studies are needed to investigate the effects of other potential risk factors in the aging patient, such as frailty and anticoagulation use, before any recommendations regarding management of motorcycle-related injuries in GeP can be made.

Association of Designated Pediatric Trauma Center and Outcomes of Severely Injured Children Who Were Mechanically Ventilated and Underwent Tracheostomy: A Propensity-Matched Analysis

OBJECTIVES

The purpose of the study is to examine the outcomes of care delivered at the pediatric trauma center (PTC) in severely injured children who were intubated, mechanically ventilated, and underwent tracheostomy.

METHODS

The study data were obtained from the Trauma Quality Improvement Program database for the calendar years 2017 to 2019. All children aged ≤17 years who sustained severe injury, required intubation and mechanical ventilation for more than 96 hours, and underwent tracheostomy were included in the study. Patients' characteristics, injury severity, and outcomes were compared between the care provided at the PTCs (level I or level II) and nonpediatric trauma centers (NPTCs). The propensity score matching methodology was used to perform the analysis. All P values are 2-sided, and a P value of <0.0.5 is considered statistically significant.

RESULTS

Of 2164 patients who were qualified for the study, 1288 (59%) of the patients were treated at PTCs, and 876 (40.5%) of the patients were treated at NPTCs. Propensity matching created 876 pairs of patients. There were no significant differences found between the 2 groups on patients' characteristics except for age. Patients who were treated at PTCs had a median age of 14 (10-16) versus 15 (11-17) years ( P < 0.001) when compared with care provided at NPTCs. A longer hospital stay was found in the PTC group when compared with the NPTC group (24 [23, 25] vs 22 [21, 24], P = 0.008). Patients who were treated at PTC were found to have significantly less sepsis occurrence (0.9% vs 2.2%), and a higher proportion of patients were discharged home without needing additional support (26.2% vs 18.5%).

CONCLUSIONS

Care at the PTC was associated with a lower occurrence of sepsis complications. A higher number of patients were discharged home without additional services when the care was provided at PTC.

Hollow viscus perforation in blunt abdominal trauma: A 14-year experience from a trauma center

BACKGROUND

Isolated perforations of hollow viscus (HV) represent less than 1% of injuries in blunt abdominal trauma (BAT). When they do present, they are generally due to high-impact mechanisms in the segments of the intestine that are fixed. The aim of this study is to determine the incidence of major HV injuries in BAT at the "Dr. Domingo Luciani" General Hospital (HDL), and address the literature gap regarding updated HV perforations following BAT, especially in low-income settings.

METHODS

A retrospective review was conducted on the medical records of patients admitted to our trauma center with a diagnosis of complicated BAT with HV perforation over 14 years.

RESULTS AND DISCUSSION

Seven hundred sixty-one patients were admitted under the diagnosis of BAT. Of them, 36.79% underwent emergency surgical resolution, and 6.04% had HV perforation as an operative finding. Almost half (44.44%) of these cases presented as a single isolated injury, while the remaining were associated with other intra-abdominal organ injuries. The most common lesions were Grade II-III jejunum and Grade I transverse colon, affecting an equal proportion of patients at 13.33%. In recent years, an increased incidence of HV injuries secondary to BAT has been observed. Despite this, in many cases, the diagnosis is delayed, so even in the presence of negative diagnostic studies, the surgical approach based on the trauma mechanism, hemodynamic status, and systematic reevaluation of the polytraumatized patient should prevail.

Trauma Center Trauma-Sensitive Yoga Versus Cognitive Processing Therapy for Women Veterans With PTSD Who Experienced Military Sexual Trauma: A Feasibility Study

BACKGROUND

Posttraumatic stress disorder (PTSD) is a common sequela to military sexual trauma (MST) among women veterans. Yoga has shown promise in research examining its benefit for symptoms and sequela of PTSD.

AIMS

The objective of this study was to evaluate the feasibility of a randomized controlled trial (RCT) of Trauma Center Trauma-Sensitive Yoga (TCTSY) for women veterans with PTSD related to MST.

METHOD

In this feasibility study, the final sample included women veterans (n = 41) with PTSD related to MST accessing health care in a Veterans Affairs Health Care System in the southeast United States; the majority were African American (n = 33; 80.5%). Interventions used established protocols of 10 weekly sessions of group TCTSY versus 12 weekly sessions of group Cognitive Processing Therapy (CPT). PTSD was assessed via clinical interview and participant report. Additional data collection included multiple participant-reported outcomes commonly associated with PTSD and psychophysiological measures. We also collected data regarding participant satisfaction and feasibility-related feedback from participants and providers.

RESULTS

Feasibility and acceptability were evaluated via demand, practicality, fidelity, and acceptability. This was measured by expressed interest, attendance, program completion, barriers to care and satisfaction with treatment, and satisfaction with interventions and data collection.

CONCLUSIONS

Results indicate the RCT design and TCTSY implementation were feasible; a full-scale RCT was subsequently conducted to determine efficacy of the experimental intervention. Recommendations for successful research strategies are provided.

[Analysis of a differentiated resuscitation room activation at a national trauma center]

BACKGROUND

In order to continue to efficiently provide both personnel-intensive and resource-intensive care to severely injured patients, some hospitals have introduced individually differentiated systems for resuscitation room treatment. The aim of this study was to evaluate the concept of the A and B classifications in terms of practicability, indications, and potential complications at a national trauma center in Bavaria.

METHODS

In a retrospective study, data from resuscitation room trauma patients in the year 2020 were collected. The assignment to A and B was made by the prehospital emergency physician. Parameters such as the injury severity score (ISS), Glasgow outcome scale (GOS), upgrade rate, and the indication criteria according to the S3 guidelines were recorded. Statistical data comparisons were made using t‑tests, χ2-tests, or Mann-Whitney U‑tests.

RESULTS

A total of 879 resuscitation room treatments (A 473, B 406) met the inclusion criteria. It was found that 94.5% of resuscitation room A cases had physician accompaniment, compared to 48% in resuscitation room B assignments. In addition to significantly lower ISS scores (4.1 vs. 13.9), 29.8% of B patients did not meet the treatment criteria defined in the S3 guidelines. With a low upgrade rate of 4.9%, 98% of B patients had a GOS score of 4 or 5.

CONCLUSION

The presented categorization is an effective and safe way to manage the increasing number of resuscitation room alerts in a resource-optimized manner.

A critical appraisal of emergency resuscitative thoracotomy in a Western European level 1 trauma centre: a 13-year experience

Emergency Resuscitative Thoracotomy (ERT) is a lifesaving procedure in selected patients. Outcome mostly in blunt trauma is believed to be poor. The primary aim of this study was to determine the predictors of postoperative mortality following ERT. We retrospectively reviewed 34 patients ≥ 18 years who underwent ERT at San Camillo-Forlanini Hospital (Rome, Italy) between January 2009 and December 2022 with traumatic arrest for blunt or penetrating injuries. Of 34 ERT, 28 (82.4%) were for blunt trauma and 6 (17.6%) were for penetrating trauma. Injury Severity Score (p-value 0.014), positive E-FAST (p-value 0.023), Systolic Blood Pressure (p-value 0.001), lactate arterial blood (p-value 0.012), pH arterial blood (p-value 0.007), and bicarbonate arterial blood (p-value < 0.001) were significantly associated with postoperative mortality in a univariate model. After adjustment, the only independent predictor of postoperative mortality was Injury Severity Score (p-value 0.048). Our experience suggests that ERT is a technique that should be utilized for patients with critical penetrating injuries and blunt trauma in patients in extremis. Our study highlights as negative prognostic factors high values of ISS and lactate arterial blood, a positive E-FAST, and low values of Systolic Blood Pressure, pH arterial blood and bicarbonate arterial blood.

Incidence of overtriage and undertriage and associated factors: A cross-sectional study using a secondary data analysis

BACKGROUND

Improving triage accuracy for accurate patient identification and appropriate resource allocation is essential. Little is known about the trend of triage accuracy, and factors associated with mistriage vary from study to study.

AIM

To identify incidence and risk factors of mistriage, such as overtriage and undertriage.

DESIGN

This is a cross-sectional study.

METHODS

The data came from the National Emergency Department Information System database in 2016-2020. All patients 15 years and older visiting emergency departments in Korea were assessed for eligibility, and 20,641,411 emergency patients' data were used. Multivariable logistic regressions were conducted to confirm the associated factors with overtriage and undertriage compared to expected triage. Demographic characteristics, disease-related signs and triage-related factors were independent variables.

RESULTS

Expected triage decreased from 96.8% in 2016 to 95.7% in 2020. Overtriage (0.5%-0.7%) and undertriage (2.4%-3.3%) increased. The occupation that performed triage the most (over 85%) was nurses. Associated factors with overtriage were demographic characteristics (40-64 age group, female), disease-related signs (known disease, direct visit) and triage-related factors (regional emergency medical centre). Risk factors to undertriage were disease-related signs (systolic/diastolic blood pressure and pulse rates within normal range).

CONCLUSIONS

While the acuity degree remained within the recommended range, the accuracy of triage decreased, and there was a gradual increase in mistriaged cases. Nurses have performed most of the triage and played a key role in expected triage. Associated factors with overtriage were demographic characteristics, disease-related signs and triage-related factors and risk factors to undertriage were disease-related signs.

PATIENT OR PUBLIC CONTRIBUTION

No patient or public contribution.

IMPLICATIONS FOR THE PROFESSION

Nurses should be aware of what factors are associated with mistriage and why the factors cause mistriage to improve the triage accuracy because they are responsible for the majority of the triage assessments.

Original Research: Breaking Through the Bottleneck: Acuity Adaptability in Noncritical Trauma Care

BACKGROUND

Achieving efficient throughput of patients is a challenge faced by many hospital systems. Factors that can impede efficient throughput include increased ED use, high surgical volumes, lack of available beds, and the complexities of coordinating multiple patient transfers in response to changing care needs. Traditionally, many hospital inpatient units operate via a fixed acuity model, relying on multiple intrahospital transfers to move patients along the care continuum. In contrast, the acuity-adaptable model allows care to occur in the same room despite fluctuations in clinical condition, removing the need for transfer. This model has been shown to be a safe and cost-effective approach to improving throughput in populations with predictable courses of hospitalization, but has been minimally evaluated in other populations, such as patients hospitalized for traumatic injury.

PURPOSE

This quality improvement project aimed to evaluate implementation of an acuity-adaptable model on a 20-bed noncritical trauma unit. Specifically, we sought to examine and compare the pre- and postimplementation metrics for throughput efficiency, resource utilization, and nursing quality indicators; and to determine the model's impact on patient transfers for changes in level of care.

METHODS

This was a retrospective, comparative analysis of 1,371 noncritical trauma patients admitted to a level 1 trauma center before and after the implementation of an acuity-adaptable model. Outcomes of interest included throughput efficiency, resource utilization, and quality of nursing care. Inferential statistics were used to compare patients pre- and postimplementation, and logistic regression analyses were performed to determine the impact of the acuity-adaptable model on patient transfers.

RESULTS

Postimplementation, the median ED boarding time was reduced by 6.2 hours, patients more often remained in their assigned room following a change in level of care, more progressive care patient days occurred, fall and hospital-acquired pressure injury index rates decreased respectively by 0.9 and 0.3 occurrences per 1,000 patient days, and patients were more often discharged to home. Logistic regression analyses revealed that under the new model, patients were more than nine times more likely to remain in the same room for care after a change in acuity and 81.6% less likely to change rooms after a change in acuity. An increase of over $11,000 in average daily bed charges occurred postimplementation as a result of increased progressive care-level bed capacity.

CONCLUSIONS

The implementation of an acuity-adaptable model on a dedicated noncritical trauma unit improved throughput efficiency and resource utilization without sacrificing quality of care. As hospitals continue to face increasing demand for services as well as numerous barriers to meeting such demand, leaders remain challenged to find innovative ways to optimize operational efficiency and resource utilization while ensuring delivery of high-quality care. The findings of this study demonstrate the value of the acuity-adaptable model in achieving these goals in a noncritical trauma care population.

Pediatric Trauma Care Disparities: Association of Race and Sex With High Acuity Trauma Hospital Admissions

INTRODUCTION

For adult trauma patients, the likelihood of receiving treatment at a hospital properly equipped for trauma care can vary by race and sex. This study examines whether a pediatric patient's race/ethnicity and sex are associated with treatment at a high acuity trauma hospital (HATH).

MATERIALS AND METHODS

Using the 2017 National Inpatient Sample, we identified pediatric trauma patients ( ≤16 y) using International Classification of Diseases-10 codes. Because trauma centers are not defined in National Inpatient Sample, we defined HATHs as hospitals which transferred 0% of pediatric neurotrauma. We used logistic regression to examine associations between race/ethnicity, sex, age, and treatment at a HATH, adjusted for factors including Injury Severity Score, mechanism of injury, and region.

RESULTS

Of 18,085 injured children (median Injury Severity Score 3 [IQR 1-8]), 67% were admitted to a HATH. Compared to White patients, Hispanic (odds ratio [OR] 0.85 [95% confidence interval [CI] 0.79-0.93]) and other race/ethnicity patients (OR 0.85 [95% CI 0.78-0.93]) had a significantly lower odds of treatment at a HATH. Children aged 2-11 (OR 1.36 [95% CI 1.27-1.46]) were more likely to be treated at a HATH compared to adolescents (age 12-16). After adjustment for other factors, sex was not associated with treatment at a HATH.

CONCLUSIONS

Our study demonstrated racial and ethnic disparities in access to HATHs for pediatric trauma patients. Hispanic and other race/ethnicity pediatric trauma patients have lower odds of treatment at HATHs. Further research is needed to study the root causes of these disparities to ensure that all children with injuries receive equitable and high-quality care.

Multiligament knee injuries. Ten years' experience at a public university, level I Trauma Center

PURPOSE

To describe our institutional experience and results in the surgical management of multiligament knee injuries (MLKI).

MATERIALS AND METHODS

Retrospective series of MLKI consecutively operated on at a single, level I Trauma Center. Data on patients' baseline characteristics, injuries, treatments, and outcomes were recorded up to one-year follow-up. Recorded outcomes included the Tegner-Lysholm Knee Scoring Scale (TLKSS), return to work, and patient satisfaction.

RESULTS

MLKI incidence was 0.03% among 9897 orthopedic trauma admissions. Twenty-four patients of mean age 43.6 years were included in analysis. The mean Injury Severity Score was 12.6. Five patients presented with knee dislocations and six had fracture-dislocations, two of them open fractures. There was one popliteal artery injury requiring a bypass and four common peroneal nerve palsies. Staged ligamental reconstruction was performed in all cases. There were seven postoperative complications. The median TLKSS was 80 and, though patient satisfaction was high, and dissatisfaction was largely restricted to recreational activities (only 58.3% satisfied). Seventeen patients returned to their previous employment.

CONCLUSIONS

We found a high aggregation of fracture-dislocations secondary to road traffic accidents. One in four patients experienced complications, particularly stiffness. Complications were more common in cases involving knee dislocation. Most patients had good functional results, but 25% were unable to return to their previous work, which demonstrates the long-lasting sequelae of this injury.

Database Integration Correlates Street Crossing Design Strategies With Pedestrian Injury

INTRODUCTION

Transportation databases have limited data regarding injury severity of pedestrian versus automobile patients. To identify opportunities to reduce injury severity, transportation and trauma databases were integrated to examine the differences in pedestrian injury severity at street crossings that were signalized crossings (SCs) versus nonsignalized crossings (NSCs). It was hypothesized that trauma database integration would enhance safety analysis and pedestrians struck at NSC would have greater injury severity.

METHODS

Single-center retrospective review of all pedestrian versus automobile patients treated at a level 1 trauma center from 2014 to 2018 was performed. Patients were matched to the transportation database by name, gender, and crash date. Google Earth Pro satellite imagery was used to identify SC versus NSC. Injury severity of pedestrians struck at SC was compared to NSC.

RESULTS

A total of 512 patients were matched (median age = 41 y [Q1 = 26, Q3 = 55], 74% male). Pedestrians struck at SC (n = 206) had a lower injury severity score (ISS) (median = 9 [4, 14] versus 17 [9, 26], P < 0.001), hospital length of stay (median = 3 [0, 7] versus 6 [1, 15] days, P < 0.001), and mortality (21 [10%] versus 52 [17%], P = 0.04), as compared to those struck at NSC (n = 306). The transportation database had a sensitivity of 63.4% (55.8%-70.4%) and specificity of 63.4% (57.7%-68.9%) for classifying severe injuries (ISS >15).

CONCLUSIONS

Pedestrians struck at SC were correlated with a lower ISS and mortality compared to those at NSC. Linkage with the trauma database could increase the transportation database's accuracy of injury severity assessment for nonfatal injuries. Database integration can be used for evidence-based action plans to reduce pedestrian morbidity, such as increasing the number of SC.

Identifying Age-Specific Risk Factors for Poor Outcomes After Trauma With Machine Learning

INTRODUCTION

Risk stratification for poor outcomes is not currently age-specific. Risk stratification of older patients based on observational cohorts primarily composed of young patients may result in suboptimal clinical care and inaccurate quality benchmarking. We assessed two hypotheses. First, we hypothesized that risk factors for poor outcomes after trauma are age-dependent and, second, that the relative importance of various risk factors are also age-dependent.

METHODS

A cohort study of severely injured adult trauma patients admitted to the intensive care unit 2014-2018 was performed using trauma registry data. Random forest algorithms predicting poor outcomes (death or complication) were built and validated using three cohorts: (1) patients of all ages, (2) younger patients, and (3) older patients. Older patients were defined as aged 55 y or more to maintain consistency with prior trauma literature. Complications assessed included acute renal failure, acute respiratory distress syndrome, cardiac arrest, unplanned intubation, unplanned intensive care unit admission, and unplanned return to the operating room, as defined by the trauma quality improvement program. Mean decrease in model accuracy (MDA), if each variable was removed and scaled to a Z-score, was calculated. MDA change ≥4 standard deviations between age cohorts was considered significant.

RESULTS

Of 5489 patients, 25% were older. Poor outcomes occurred in 12% of younger and 33% of older patients. Head injury was the most important predictor of poor outcome in all cohorts. In the full cohort, age was the most important predictor of poor outcomes after head injury. Within age cohorts, the most important predictors of poor outcomes, after head injury, were surgery requirement in younger patients and arrival Glasgow Coma Scale in older patients. Compared to younger patients, head injury and arrival Glasgow Coma Scale had the greatest increase in importance for older patients, while systolic blood pressure had the greatest decrease in importance.

CONCLUSIONS

Supervised machine learning identified differences in risk factors and their relative associations with poor outcomes based on age. Age-specific models may improve hospital benchmarking and identify quality improvement targets for older trauma patients.