Table 3.

Literature review of prophylactic abdominal aortic balloon occlusion for patients with placenta accreta and placenta previa.

Reference	Treatment comparison	N (PABO, comparison)	Description of the position of aortic balloon	Items with significant lower in IABO group	Complication related to IABO
Peng et al. [4]	Common iliac artery BO	252,38	Below the level of the renal artery	No	Femoral arteriovenous fistula (1) thrombus in the upper femoral artery (7)
Wei et al. [5]	Internal iliac artery BO	52,71	Under the origin of renal artery	Apgar score at 1 min >7 Iodoform gauze packing of the uterine cavity	no
Li et al. [6]	Cesarean section alone	24,32	At the level of the renal artery	Hysterectomy	Thrombus of the right external iliac artery (1)
Duan et al. [7]	Cesarean section alone	22,23	Under the origin of renal artery	Operation time EBL Blood transfusion Stuffing uterine cavity followed by UAE Uterine artery ligation Hysterectomy Postoperative days	No
Wang et al. [8]	Cesarean section alone	10,33	Between the iliac bifurcation and the renal arteries	EBL Blood transfusion Complications in the mother Hemorrhage shock	No
Cui et al. [9]	Cesarean section alone	38,31	Below the level of the renal artery	EBL >1000 ml	Right iliac artery thrombosis (1)
Wu et al. [10]	Cesarean section alone	230,38	At the level of T12	Operation time EBL Blood transfusion Hemodynamical abnormality Admission to ICU Postoperative days	no
Panici et al. [11]	Cesarean section alone	15,18	Iliac bifurcation and the renal arteries	Hysterectomy EBL Blood transfusion Admission to ICU Postoperative days	no
Tokue et al. [12]	Internal iliac artery BO	28,32	Infra-renal abdominal aorta	Operation time Total time of BO Fetal radiation dose	no