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Background: The optimal candidates for resuscitative endovascular balloon occlusion of the aorta (REBOA) remains unclear. We hypothesized patients with delayed transfer to operating room (OR) would benefit from REBOA., Methods: Using the 2016-2017 ACS-TQIP database, patients were divided based on the transfer time to OR: ≤1 h (early) and >1 h (delayed). In each group, patients who underwent REBOA in emergency department (ED-REBOA) were matched with those without REBOA (non-REBOA) using propensity scores, and survival to discharge was compared., Results: Among 163,453 patients, 114 and 138 patients (38 and 46 ED-REBOA) were included in the early and delayed groups, respectively. Survival to discharge was comparable between ED-REBOA and non-REBOA patients in the early group (39.5% vs. 48.7%, p = 0.35), whereas it was higher in ED-REBOA patients in the delayed group (39.1% vs. 12.0%, p < 0.01)., Conclusions: Patients with delayed transfer to OR >1 h benefited from REBOA., (Copyright © 2022 Elsevier Inc. All rights reserved.)

Background: The optimal candidates for resuscitative endovascular balloon occlusion of the aorta (REBOA) remain unclear. We hypothesized that patients who experience delays in surgical intervention would benefit from REBOA., Methods: Using the Japan Trauma Databank (2014-2019), patients transferred to the operating room (OR) within 3 h were identified. Patients treated with REBOA were matched with those without REBOA using propensity scores, and further divided based on the transfer time to OR: ≤ 1 h (early), 1-2 h (delayed), and >2 h (significantly-delayed). Survival to discharge was compared., Results: Among 5258 patients, 310 underwent REBOA. In 223 matched pairs, patients treated with REBOA had improved survival (56.5% vs. 31.8%; p < 0.01), although in-hospital mortality was reduced by REBOA only in the delayed and significantly-delayed subgroups (HR = 0.43 [0.28-0.65] and 0.42 [0.25-0.71])., Conclusions: REBOA-treated trauma patients who experience delays in surgical intervention (>1 h) have improved survival., Competing Interests: Declaration of competing interest The authors have no conflict of interest to report., (Copyright © 2020 Elsevier Inc. All rights reserved.)

Background: Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a technique for temporary control of arterial hemorrhage. However, its effectiveness and clinical outcomes are unclear., Methods: Using a nationwide database (2004-2016) in Japan, trauma patients with survival data were identified. Patients were divided between REBOA and non-REBOA groups, and a propensity score was developed using multivariate logistic regression. Survival to discharge was compared between the groups after propensity score matching., Results: Among 82,371 patients included in this study, 385 were treated with REBOA. After propensity score matching, 117 pairs were selected. Survival to discharge was significantly higher among patients treated with REBOA than among those treated without REBOA (53 [45.3%] vs. 38 [32.5%]; odds ratio = 1.72; 95% CI = 1.01-2.93; p = 0.04)., Conclusions: REBOA use was associated with improved survival to discharge and should therefore be considered during the management of severely injured trauma patients., (Copyright © 2019 Elsevier Inc. All rights reserved.)