BACKGROUND Resuscitative endovascular balloon occlusion of the aorta (REBOA) is used for postpartum hemorrhage (PPH), which is one of the leading causes of maternal mortality worldwide; however, its utility in the obstetrics setting remains unclear. Thus, this study aimed to describe the characteristics, demographics, and mortality of patients with PPH who underwent REBOA. METHODS We used the Japanese Diagnosis Procedure Combination inpatient database to identify patients with PPH who underwent REBOA from April 2012 to March 2020. We examined the patients' characteristics, interventions administered, and in-hospital mortality. RESULTS We identified 143 patients with PPH who underwent REBOA. The most common cause of PPH was atonic postpartum hemorrhage (52.4%), followed by disseminated intravascular coagulation (29.4%) and amniotic fluid embolism documented (11.2%). Among patients who delivered at hospitals in which REBOA was performed (n = 55), 38.2% of patients experienced preterm births, and 70.9% delivered via cesarean delivery. The proportion of patients who underwent transcatheter arterial embolization and hysterectomy was 53.8% and 16.1%, respectively. In-hospital mortality was 7.0%. CONCLUSION The results of the present study could be helpful in clinical decision making and providing patients and families with additional treatment options for PPH. LEVEL OF EVIDENCE Therapeutic/Care Management; Level IV.
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