BACKGROUND:The COVID-19 pandemic has affected the entire global health care system. In California, because of a high burden of cases, a lockdown order was announced on March 19, 2020. This study investigated the impact of the lockdown on the epidemiology and outcomes of trauma admissions at the largest trauma center in Los Angeles. METHODS:A retrospective study comparing epidemiological and clinical characteristics and outcomes of trauma admissions during the lockdown period (March 20, 2020, to June 30, 2020 to a similar period in the previous year (March 20, 2019, to June 30, 2019) was performed. Data collection included demographics, mechanism of injury, prehospital transportation, substance use, injury severity, resource utilization, and outcomes. FINDINGS:There were 1,202 admissions during the lockdown period in 2020 and 1,143 during the same calendar period in 2019. Following the lockdown, there was a reduction in the automobile versus pedestrian admissions by 42.5%, motorcycle injuries by 38.7%, and bicycle accidents by 28.4% but no significant effect on the number of motor vehicle accident admissions. There was an increase in ground level falls by 32.5%, especially in the elderly group. The absolute number of gunshot wounds increased by 6.2% and knife injuries by 39.3%. Suicides increased by 38.5%. Positive testing for substance use increased by 20.9%. During the lockdown, patients suffered less severe trauma, with Injury Severity Score of <9 (p < 0.001), as well as less severe head (p = 0.001) and severe chest trauma (p < 0.001). Trauma deaths were reduced by 27.9%, and the crude overall mortality was significantly lower during the lockdown period (4.1% vs. 5.9%, p = 0.046). Intensive care unit admission rates, mechanical ventilation, and intensive care unit length of stay were all reduced. CONCLUSION:The COVID-19 lockdown in 2020 had a significant effect on the epidemiology, clinical characteristics, and critical care resource utilization of trauma admissions in a large academic trauma center. These findings may help in planning and optimization of hospital resources during the pandemic.
BACKGROUND Timely angioembolization (AE) is known to improve outcomes of patients with hemorrhage resulting from pelvic fracture. The hybrid emergency room system (HERS) is a novel trauma resuscitation room equipped with a computed tomography scanner, fluoroscopy equipment, and an operating room setup. We hypothesized that the HERS would improve the timeliness of AE for pelvic fracture. METHODS A retrospective medical record review of patients who underwent AE for pelvic fracture at our institution from April 2015 to December 2018 was conducted. Patients' demographics, location of AE, Injury Severity Score, Revised Trauma Score, probability of survival by the trauma and injury severity score (TRISS Ps) method, presence of interventional radiologists (IRs) upon patient arrival, time from arrival to AE, and in-hospital mortality were analyzed. These data were compared between patients who underwent AE in the HERS (HERS group) and in the regular angio suite (non-HERS group). RESULTS Ninety-six patients met the inclusion criteria. The HERS group comprised 24 patients, and the non-HERS group, 72 patients. Interventional radiologists were more frequently present upon patient arrival in the HERS than non-HERS group (IRs, 79% vs. 22%, p < 0.01). The time from arrival to AE was shorter in the HERS than non-HERS group (median [range], 46 [5–75] minutes vs. 103 [2–690] minutes, p < 0.01). There were no differences in the rate of in-hospital mortality (13% vs. 15%, p = 0.52) between the two groups. Survivors in the HERS group had a lower probability of survival by the trauma and injury severity score (median [range], 61% [1%–98%] vs. 93% [1%–99%], p < 0.01) than survivors in the non-HERS group. CONCLUSION The HERS improved the timeliness of AE for pelvic fracture. More severely injured patients were able to survive in the HERS. The new team building involving the addition of IRs to the traditional trauma resuscitation team will enhance the benefit of the HERS. LEVEL OF EVIDENCE Therapeutic, level IV.
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