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1.
Am J Surg ; : 115788, 2024 May 31.
Article in English | MEDLINE | ID: mdl-38839437

ABSTRACT

INTRODUCTION: Point of care ultrasound has long been used in the trauma setting for rapid assessment and diagnosis of critically ill patients. Its utility for diagnosis of pericardial effusion in the setting of penetrating thoracic trauma has more recently been a topic of consideration, given the rapid decompensation that these patients can experience. OBJECTIVES: This study aims to identify the diagnostic accuracy of point of care ultrasound in the diagnosis of pericardial effusion among patients with penetrating thoracic trauma. METHODS: Retrospective review of 2099 patients brought to the trauma bay between the years 2016 and 2021 were analyzed for diagnosis of pericardial effusion. Patients who were diagnosed with a pericardial effusion were investigated for point of care ultrasound findings. Descriptive statistics were performed to identify sensitivity, specificity, positive predictive value, and negative predictive value. RESULTS: Prevalence was calculated to be 26.7 cases of pericardial effusion per 1000 patients presenting with penetrating thoracic trauma. Incidence was estimated to be 3.8 cases of pericardial effusion per 1000 person-years. Calculation of diagnostic capabilities of ED POCUS revealed a sensitivity of 96.36 â€‹%, a specificity of 100 â€‹%, PPV of 100 â€‹%, and NPV of 99.90 â€‹%. CONCLUSIONS: Point of Care cardiac ultrasonography is a reliable tool for the rapid diagnosis of pericardial effusion in penetrating thoracic trauma patients. Patients with ultrasound suggestive of this condition should receive rapid surgical management to prevent decompensation.

2.
Article in English | MEDLINE | ID: mdl-38689386

ABSTRACT

INTRODUCTION: Prehospital resuscitation with blood products is gaining popularity for patients with traumatic hemorrhage. The MEDEVAC trial demonstrated a survival benefit exclusively among patients who received blood or plasma within 15 minutes of air medical evacuation. In fast-paced urban EMS systems with a high incidence of penetrating trauma, mortality data based on the timing to first blood administration is scarce. We hypothesize a survival benefit in patients with severe hemorrhage when blood is administered within the first 15 minutes of EMS patient contact. METHODS: This was a retrospective analysis of a prospective database of prehospital blood (PHB) administration between 2021 and 2023 in an urban EMS system facing increasing rates of gun violence. PHB patients were compared to trauma registry controls from an era before prehospital blood utilization (2016-2019). Included were patients with penetrating injury and SBP ≤ 90 mmHg at initial EMS evaluation that received at least one unit of blood product after injury. Excluded were isolated head trauma or prehospital cardiac arrest. Time to initiation of blood administration before and after PHB implementation and in-hospital mortality were the primary variables of interest. RESULTS: A total of 143 patients (PHB = 61, controls = 82) were included for analysis. Median age was 34 years with no difference in demographics. Median scene and transport intervals were longer in the PHB cohort, with a 5-minute increase in total prehospital time. Time to administration of first unit of blood was significantly lower in the PHB vs. control group (8 min vs 27 min; p < 0.01). In-hospital mortality was lower in the PHB vs. control group (7% vs 29%; p < 0.01). When controlling for patient age, NISS, tachycardia on EMS evaluation, and total prehospital time interval, multivariate regression revealed an independent increase in mortality by 11% with each minute delay to blood administration following injury (OR 1.11, 95%CI 1.04-1.19). CONCLUSION: Compared to patients with penetrating trauma and hypotension who first received blood after hospital arrival, resuscitation with blood products was started 19 minutes earlier after initiation of a PHB program despite a 5-minute increase in prehospital time. A survival for early PHB use was demonstrated, with an 11% mortality increase for each minute delay to blood administration. Interventions such as PHB may improve patient outcomes by helping capture opportunities to improve trauma resuscitation closer to the point of injury. LEVEL OF EVIDENCE: Prospective, Level IV.

3.
J Am Coll Surg ; 238(4): 367-373, 2024 Apr 01.
Article in English | MEDLINE | ID: mdl-38197435

ABSTRACT

BACKGROUND: At the 2023 ATLS symposium, the priority of circulation was emphasized through the "x-airway-breathing-circulation (ABC)" sequence, where "x" stands for exsanguinating hemorrhage control. With growing evidence from military and civilian studies supporting an x-ABC approach to trauma care, a prehospital advanced resuscitative care (ARC) bundle emphasizing early transfusion was developed in our emergency medical services (EMS) system. We hypothesized that prioritization of prehospital x-ABC through ARC would reduce in-hospital mortality. STUDY DESIGN: This was a single-year prospective analysis of patients with severe hemorrhage. These patients were combined with our institution's historic controls before prehospital blood implementation. Included were patients with systolic blood pressure (SBP) less than 90 mmHg. Excluded were patients with penetrating head trauma or prehospital cardiac arrest. Two-to-one propensity matching for x-ABC to ABC groups was conducted, and the primary outcome, in-hospital mortality, was compared between groups. RESULTS: A total of 93 patients (x-ABC = 62, ABC = 31) met the inclusion criteria. There was no difference in patient age, sex, initial SBP, initial Glasgow Coma Score, and initial shock index between groups. When compared with the ABC group, x-ABC patients had significant improvement in vitals at emergency department admission. Overall mortality was lower in the x-ABC group (13% vs 47%, p < 0.001). Multivariable regression revealed that prehospital circulation-first prioritization was independently associated with decreased in-hospital mortality (odds ratio 0.15, 95% CI 0.04 to 0.54, p = 0.004). CONCLUSIONS: This is the first analysis to demonstrate a prehospital survival benefit of x-ABC in this subset of patient with severe injury and hemorrhagic shock. Standardization of prehospital x-ABC management in this patient population warrants special consideration.


Subject(s)
Emergency Medical Services , Shock, Hemorrhagic , Wounds and Injuries , Humans , Exsanguination , Hemorrhage/etiology , Hemorrhage/therapy , Shock, Hemorrhagic/etiology , Shock, Hemorrhagic/therapy , Blood Transfusion , Resuscitation , Wounds and Injuries/complications , Wounds and Injuries/therapy , Retrospective Studies , Injury Severity Score
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