Abstract：Objective To retrospectively study the clinical efficacy and safety of abdominal aorta balloon occlusion pretreatment in the treatment of type Ⅲ cesarean scar pregnancy (CSP). Methods From January 2019 to December 2021, 54 patients with type Ⅲ CSP diagnosed by transvaginal ultrasound or MRI in Maternal and Child Health Care Hospital of Jiangxi Province were selected as the research objects. According to different pretreatment methods, they were divided into the experimental group (26 cases) and the control group (28 cases). The experimental group was pretreated with abdominal aorta balloon occlusion, and then underwent laparoscopic scar pregnancy excision. The control group were pretreated with high intensity focused ultrasound (HIFU) before laparoscopic scar pregnancy excision. The amount of intraoperative bleeding, operation time, postoperative anal exhaust time, hospitalization expenses, hospitalization time and menstrual rehydration time were compared between the two groups. Results There was no significant differences in operation time, postoperative anal exhaust time, hospitalization time and hospitalization expenses, menstrual rehydration time between the two groups (P＞0.05). The amount of intraoperative bleeding in the experimental group was less than that in the control group, the difference was statistically significant (P＜0.05). Conclusion Before operation, abdominal aortic balloon occlusion pretreatment can significantly reduce the amount of intraoperative bleeding of type Ⅲ uterine scar pregnancy. It is a safe and effective pretreatment method, which can preserve the uterus to the greatest extent and preserve the reproductive function.
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