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Aims  We investigated whether common iliac artery balloon occlusion (CIABO) was effective for decreasing blood loss during cesarean hysterectomy (CH) in patients with placenta previa with accreta and was safe for mothers and fetuses.    Methods  Of the 67 patients who underwent CH for placenta previa with accreta at our facility from 1985 to 2014, 57 patients were eligible for the study. The amount of intraoperative bleeding during CH was compared between three groups: surgery without blood flow occlusion (13 patients), internal iliac artery ligation (15 patients) and CIABO (29 patients). Additionally, multivariate analysis was performed to assess risk factors for massive bleeding during CH.    Results  The mean blood loss in the CIABO group (2027 ± 1638 mL) was significantly lower than in the other two groups (3787 ± 2936 mL in the no occlusion, 4175 ± 1921 mL in the internal iliac artery ligation group;  P  < 0.05). Multivariate analysis showed that spontaneous placental detachment during surgery (odds ratio [OR] 49.174, 95% confidence interval [CI] 4.98–1763.67), a history of ≥ 2 cesarean sections (OR 9.226, 95% CI 1.07–231.15) and no use of CIABO (OR 26.403, 95% CI 3.20–645.17) were significantly related to massive bleeding during surgery. There was no case of necrosis resulting from ischemia. The mean radiation dose during balloon placement never exceeded the threshold value for fetal exposure.    Conclusion  Bleeding during CH for placenta previa with accreta can be decreased by CIABO. This study also confirmed the safety of CIABO in regard to maternal lower limb ischemia and fetal radiation exposure during balloon placement.

Study of the utility and problems of common iliac artery balloon occlusion for placenta previa with accreta