• Xiao-Rong Qi, Xing-Hui Liu, Yong You, Xiao-Dong Wang, Rong Zhou, Ai-Yun Xing, Li Zhang, Gang Ning, Fu-Min Zhao, and Kai-Ming Li.
• Department of Gynecology and Obstetrics, West China Second University Hospital, Sichuan University, Chengdu 610041, China.
• Sichuan Da Xue Xue Bao Yi Xue Ban. 2016 Jul 1; 47 (4): 618-623.

ObjectivesTo evaluate the clinical application value of internal iliac artery balloon occlusion in pernicious placenta previa.MethodsWe retrospectively reviewed the medical records of the patients of pernicious placenta previa in a single center from Jan, 2010 to Jan, 2015. The patients were divided into two groups, internal iliac artery balloon occlusion group and the control group without endovascular intervention. Blood loss in operation, volume of transfused blood products, caesarean hysterectomy, operating time, hospital days after operation and postoperative morbidity were compared between the two groups.ResultsThe balloon occlusion group had significantly less blood loss, the volume of transfused blood products, caesarean hysterectomy, hospital day after operation than the control group had. There was no statistical difference in operating time, intensive care units (ICU), hypotension, infection, hypoxemia, bladder injury, bowel obstruction, neonatal asphyxia between the two groups. The balloon occlusion group had significantly higher rate in coagulopathy, hypoalbuminemia, electrolyte imbalance. Among the patients whose uterus were preserved, the blood loss was not significantly difference between the two groups. Among the patients with the complication of placenta accreta, caesarean hysterectomy was less in balloon group, and blood loss between the two groups was not significantly different. Among the patients without placenta accrete, the blood loss was less in balloon group, and caesarean hysterectomy between the two groups was not significantly different. The risk of hysterectomy in balloon group was related to placenta accreta, uterine arteries engorgement, placental invasive serosa, taking placenta by hand, placental invasive bladder, barrel-shaped thickening of lower uterine segment, unable to remove placenta.ConclusionsInternal iliac artery balloon occlusion is an effective treatment for pernicious placenta previa.

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