David J. Chesire

Selective angiographic embolization of blunt splenic traumatic injuries in adults decreases failure rate of nonoperative management.

BACKGROUND: To determine whether angioembolization (AE) in hemodynamically stable adult patients with blunt splenic trauma (BST) at high risk for failure of nonoperative management (NOM) (contrast blush [CB] on computed tomography, high-grade IV–V injuries, or decreasing hemoglobin) results in lower failure rates than reported. METHODS: The records of patients with BST from July 2000 to December 2010 at a Level I trauma center were retrospectively reviewed using National Trauma Registry of the American College of Surgeons. Failure of NOM (FNOM) occurred if splenic surgery was required after attempted NOM. Logistic regression analysis was used to identify factors associated with FNOM. RESULTS: A total of 1,039 patients with BST were found. Pediatric patients (age <17 years), those who died in the emergency department, and those requiring immediate surgery for hemodynamic instability were excluded. Of the 539 (64% of all BST) hemodynamically stable patients who underwent NOM, 104 (19%) underwent AE and 435 (81%) were observed without AE (NO-AE). FNOM for the various groups were as follows: overall NOM (4%), NO-AE (4%), and AE (4%). There was no significant difference in FNOM for NO-AE versus AE for grades I to III: grade I (1% vs. 0%, p = 1), grade II (2% vs. 0%, p = 0.318), and grade III (5% vs. 0%, p = 0.562); however, a significant decrease in FNOM was noted with the addition of AE for grades IV to V: grade IV (23% vs. 3%, p = 0.04) and grade V (63% vs. 9%, p = 0.03). Statistically significant independent risk factors for FNOM were grade IV to V injuries and CB. CONCLUSION: Application of strictly defined selection criteria for NOM and AE in patients with BST resulted in one of the lowest overall FNOM rates (4%). Hemodynamically stable BST patients are candidates for NOM with selective AE for high-risk patients with grade IV to V injuries, CB on initial computed tomography, and/or decreasing hemoglobin levels. LEVEL OF EVIDENCE: III, therapeutic study.

A prehospital shock index for trauma correlates with measures of hospital resource use and mortality

BACKGROUND The assessment and treatment of trauma patients begins in the prehospital environment. Studies have validated the shock index as a correlate for mortality and the identification of shock in trauma patients. We investigated the use of the first shock index obtained in the prehospital environment and the first shock index obtained upon arrival in the trauma center as correlates for other outcomes to evaluate its usefulness as a triage tool. METHODS This is a retrospective review of data from a level I trauma center. Prehospital and trauma center shock indices for 16,269 patients were evaluated as correlates for duration of hospital stay, duration of stay in the intensive care unit, the number of ventilator days, blood product use, and destination of transfer from the trauma center. RESULTS Pearson correlation coefficients revealed that the relationship of prehospital and trauma center shock indices were correlates for duration of hospital stay, duration of stay in the intensive care unit, the number of ventilator days, and blood product use. A chi-square analysis found that shock indices ≥0.9 indicate a higher likelihood of disposition to the intensive care unit, operating room, or death. CONCLUSION A prehospital shock index for trauma correlates with measures of hospital resource use and mortality. A prospective study is needed to determine the use of this measure as a triage tool.

Age Does Not Affect Outcomes of Nonoperative Management of Blunt Splenic Trauma

BACKGROUND The purpose of this study was to examine the effect of age on the outcomes of nonoperative management (NOM) of blunt splenic trauma (BST). STUDY DESIGN The records of patients with BST, from July 2000 to December 2010 at a level I trauma center, were retrospectively reviewed using NTRACS (National Trauma Registry of the American College of Surgeons). Patients were divided into 2 age groups: 17 to 55 years and greater than 55 years. Stepwise logistic regression analysis was used to identify risk factors associated with failure of nonoperative management (FNOM). RESULTS There were 539 hemodynamically stable patients with BST who underwent NOM. Of these, 459 were age 55 or less, and 80 were greater than 55. Overall, there was no significant difference in FNOM rate for patients age 55 or less vs greater than 55 (4% vs 5%, p = 0.73). This also held true when FNOM was analyzed by each grade: I (1% vs 3%, p = 0.38), II (2% vs 0%, p = 1.0), III (4% vs 0%, p = 1.0), IV (8% vs 20%, p = 0.33), and V (21% vs 50%, p = 0.47). The addition of angioembolization (AE) to high grade IV to V injuries significantly lowered the FNOM rate: age 55 or less (6% AE vs 28% NO-AE, p = 0.02); with a trend toward significance for age greater than 55 (0% AE vs 60% NO-AE, p = 0.2). Age was not a statistically significant independent risk factor for FNOM (p = 0.37). CONCLUSIONS Age does not affect outcomes of NOM of BST. High grade (IV to V) injuries are not a contraindication to NOM for patients older than 55. As experience with AE grows in patients with high grade injury and age greater than 55, it may prove to be a valuable adjunct to NOM in this group of patients.

An analysis of shock index as a correlate for outcomes in trauma by age group.

BACKGROUND Shock index as the ratio of heart rate to systolic blood pressure is a simple triage tool that correlates well with various outcomes in trauma patients. Concern has been raised regarding the accuracy of shock index in older patients. We sought to investigate the effects of age on the accuracy of shock index. METHODS This is a retrospective review of data from a level I trauma center. Shock index was calculated for 16,269 patients, and they were stratified into age groups by decade. The correlation between prehospital shock index for each of the age groups and for several outcome variables were evaluated by Pearson correlation coefficients. Logistic regression was used to evaluate an increase in shock index during transit and its relationship with mortality. RESULTS All correlation values for patients between 16 and 60 years of age were positive (P < .05). In patients who are older than 80 years, none of the correlations with the outcome variables were statistically significant. In patients older than 60 years, an increased shock index during transit correlated with an increase in mortality rates. CONCLUSION As expected, prehospital shock index alone has diminishing accuracy for patients older than 60 years of age and should be interpreted cautiously by trauma triage personnel. Shock index alone in patients younger than 60, and its increase during transit in patients older than 60, can be used as a valuable tool for the prehospital triage of trauma patients when determining the need for transport to a trauma center, preparation of resources, or activation of the trauma team.

Pediatric trauma patients are more likely to be discharged from the emergency department after arrival by helicopter emergency medical services.

BACKGROUND Despite faster transport times, concern about the safety of medical helicopters has led to scrutiny in the national media. Few criteria exist for the use of helicopter emergency medical services (HEMS). This study evaluated if pediatric trauma patients transported by HEMS from the injury scene were more likely to be discharged from the emergency department and more likely to be less severely injured based on Injury Severity Score (ISS) compared with adult patients. METHODS Retrospective data were obtained from the trauma registry at our Level I trauma center between July 1, 2005, and June 30, 2009. Trauma patients arriving by HEMS from the injury scene were included. &khgr;2 was used to compare the discharge rate and the ISS (divided into 0–15 and 16–75) of the adult and pediatric populations. Pediatric patients were those younger than 16 years. RESULTS A total of 2,897 trauma patients were transported by HEMS. A total of 247 (9%) were pediatric patients, and 2,650 (91%) were adults. Among the pediatric patients, 23% were discharged, and 77% were admitted. Of the adult patients, discharge occurred in 16%, and 84% were admitted. Comparison of the discharge rate between pediatric and adult patients revealed a significantly higher proportion of discharge among the pediatric patients (p < 0.01). Among the pediatric patients, 72% had an ISS of 0 to 15, and 28% had an ISS of 16 to 75. Among the adult patients, 55% had an ISS of 0 to 15, and 45% had an ISS of 16 to 75. Comparison of these groups revealed a statistically significantly lower ISS in the pediatric group (p < 0.01). CONCLUSION Consistent with a lower severity of injury, pediatric trauma patients transported by HEMS were more likely to be discharged directly from the emergency department when compared with adult patients. LEVEL OF EVIDENCE Epidemiologic study, level III.

Hospital–School Collaboration to Serve the Needs of Children With Traumatic Brain Injury

Traumatic brain injuries are the leading cause of death and disability for children and adolescents each year in the United States. Children who survive these injuries often suffer from a range of impairments including intellectual, academic, behavioral, affective, and social problems, but they often become mired in a slow-moving process while waiting for educational resources. This case study explores one school districts attempts to implement a best practices model of service delivery for students with a traumatic brain injury, focusing on the role of a school psychologist in the multidisciplinary team, candidly discussing and problem-solving several key challenges, and improving the service delivery model overall.

Barriers to Meeting the Needs of Students with Traumatic Brain Injury.

Many students with traumatic brain injury (TBI) are identified by the medical community each year and many more experience head injuries that are not examined by medical personnel. School psychologists and allied consultants have important liaison roles to identify and assist these students post-injury. In this study, 75 school psychologists (the profession in the United States analogous to educational psychologists in the UK) were surveyed about their experiences meeting the needs of students after brain injury and asked to characterise barriers to service delivery in the schools. Qualitative analysis of respondents’ descriptions of barriers suggested that school psychologists encounter substantial problems in: communication about the injury; lack of knowledge and training among school personnel; lack of resources available to assist students; perceived lack of importance of TBI by school personnel; procedural impediments; and problematic placement options for students with TBI. Results of this study highlight the potential for improving systemic approaches to meeting the needs of students with TBI.

Proficiency of surgical faculty and residents with ethical dilemmas: is modeling enough?

OBJECTIVE Professionalism, an Accreditation Commission for Graduate Medical Education (ACGME) competency, embraces the concept of adherence to ethical principles. Despite this, most surgical residencies do not currently include ethics as part of their core curriculum. Further, expertise in effectively managing ethical dilemmas is frequently obtained via modeling after the attending physician. This study evaluated surgical faculty (SF) and residents (SR) on their understanding of basic ethical principles and their overall confidence in translation of these principles into clinical practice. The objective was to determine if there are any differences in the overall levels of knowledge and confidence in ethics between SR and SF. DESIGN AND SETTING Immediately before the first session of a Kamangar Grant supported monthly Ethics Forum, all SF and SR completed a Pre-Curriculum Questionnaire (PCQ) on their knowledge about ethical principles and their confidence in dealing with ethical issues. PQC contained 13 multiple-choice and true/false knowledge questions and 8 questions evaluating confidence rated on a 5-point Likert scale. PARTICIPANTS Surgical faculty (SF) (n = 16) and SR (n = 36). Knowledge and confidence scores were compared between SR and SF, using Student t-test analysis to evaluate differences between groups. RESULTS No significant differences were found in ethical knowledge scores between faculty and residents. Faculty confidence is higher than resident (p < 0.05). Further, female faculty confidence is higher than that of their male counterparts (p < 0.05). CONCLUSIONS While SF are more confident in their ethical decision-making, their fundamental knowledge base in ethics is not different from that of SR. Female SF report greater self-confidence over their male counterparts. In total, SF may not possess the foundation to effectively mentor residents in appropriate ethical principles and their translation to clinical practice. This study supports the need for both SR and SF to engage in an integrated education program in ethics to promote on-going dialogue in this complex topic.

Comparative Analysis of State Trauma Triage Criteria vs. Paramedic Discretion

Abstract Objective: The Florida Adult Trauma Triage Criteria (FATTC) define specific parameters concerning injury mechanism and physiologic data that prompt paramedics to initiate a trauma alert and necessitate transport to a trauma center. In the state of Florida, paramedics are also given discretion to bring patients to the trauma center who do not meet those criteria. Our aim was to compare the injury characteristics and outcomes of adult patients who were evaluated in our trauma center after activation due to FATTC criteria vs. paramedic discretion (PD) and to identify predictors of PD. Methods: This retrospective study included all patients 18 years and older evaluated in our trauma center from January 1, 2007, to December 31, 2014. Descriptive statistics were computed for all variables. Bivariate and multivariate analyses were performed to compare demographic, injury severity, and outcome differences between groups. Results: A total of 13,963 patients met FATTC during the study period, and 1,811 were brought in by PD. PD patients had lower injury severity and crude mortality. Regression modeling of demographic and injury variables found that only the combination of older age and higher heart rate predicted PD when both were lower than FATTC alone. Conclusions: While PD patients were less seriously injured and had lower mortality, they experienced similar lengths of stay and resource utilization after presentation. Paramedics may be able to identify patients at risk for poor outcomes who would otherwise not be captured by FATTC.

An evaluation of trauma outcomes related to insurance status in patients requiring prehospital helicopter transport

INTRODUCTION Disparities in access to medical care and outcomes of medical treatment related to insurance status are documented. However, little attention has been given to the effect of health care funding status on outcomes in trauma patients. Hypothesis/Problem This study evaluated if adult trauma patients who arrived by air transport to a trauma center had different clinical outcomes based on their health insurance status. METHODS A retrospective analysis was performed of all adult trauma patients arriving by prehospital flight services to a Level I Trauma Center over a 5-year period. Patients were classified as unfunded or funded based on health insurance status. Injury severity scores (ISS) were compared, while the end points evaluated in the study included duration of stay in the intensive care unit (ICU), duration of hospitalization, and mortality. RESULTS A total of 1,877 adult patients met inclusion criteria for the study, with 14% (n = 259) classified as unfunded and 86% (n = 1,618) classified as funded. Unfunded patients compared to funded patients had a significantly lower average ISS (12.82 vs 15.56; P < .001) but a significantly higher mortality rate (16.6% vs 10.7%; P < .01) and a 1.54 relative risk of death (95% CI, 1.136-2.098). Neither mean ICU stay (3.44 days vs 4.98 days; P = .264) nor duration of hospitalization (11.18 days vs 13.34 days; P = .382) was significantly different when controlling for ISS. CONCLUSION Unfunded health insurance status is associated with worse outcomes following less significant injury. Further investigation of baseline health disparities for identification and early intervention may improve outcomes. Additionally, these findings may have implications for the health systems of other countries that lack universal health care coverage.