Nguyên nhân của trường hợp chảy máu 1 2 3 4 5 6 7 8 9 tổng nhau Previa tổng nhau Previa tổng nhau Previa tổng nhau Previa biên nhau Previa, focally accreta tổng nhau Previa tổng nhau Previa đầu mối nhau accreta đầu mối nhau accreta, đờ biên nhau Previa, focally accreta, đờ đờ, cervico isthmic nước mắt và DIC trong tiền sản giật đầu mối nhau accreta tổng nhau | The balloon internal uterine tamponade as a diagnostic test Table 2 Cause of bleeding and medical treatment before tamponade procedure Case Cause of bleeding Estimated blood loss ml Intrapartum RBC and FFP Postpartum RBC Medical treatment Postpartum hospital admission days 1 total placenta previa 1000 0 0 intramyometrial oxytocin oxytocin infusion 5 2 total placenta previa 3000 RBC 2 U 0 intramyometrial oxytocin oxytocin infusion 11 3 total placenta previa 1000 0 0 intramyometrial oxytocin oxytocin infusion 4 4 total placenta previa 1200 RBC 1 U RBC 2 U intramyometrial oxytocin oxytocin infusion 6 5 marginal placenta previa focally accreta 1200 0 RBC 2 U oxytocin infusion . ergometrine 8 6 total placenta previa 1500 0 0 intramyometrial oxytocin oxytocin infusion 5 7 total placenta previa 1500 0 0 intramyometrial oxytocin oxytocin infusion 5 8 focal placenta accreta 1000 0 0 intramyometrial oxytocin oxytocin infusion 4 9 focal placenta accreta atony 3300 RBC 6 U FFP 6 U 0 intramyometrial oxytocin oxytocin infusion sulprostone infusion 5 10 marginal placenta previa focally accreta atony 5000 RBC 9 U 0 intramyometrial oxytocin oxytocin sulprostone infusion 6 11 atony cervico-isthmic tear and DIC in pre-eclampsia 1100 0 RBC 2 U . oxytocin oxytocin infusion 7 12 focal placenta accreta 1500 RBC 2 U RBC 2 U oxytocin and sulprostone infusion . ergometrine 5 13 total placenta previa accreta 1100 0 0 intramyometrial oxytocin oxytocin infusion 5 RBC red blood cell FFP fresh frozen plasma DIC disseminated intravascular coagulation . intramuscular failed tamponade test Among the ten cases resulting in Cesarean section one patient case 13 showed at ultrasound scan high suspicion of morbid adhesion of the placenta accreta increta before the planned Cesarean section for total placenta previa. During Cesarean section in order to prevent severe bleeding at delivery of the placenta by reducing the blood flow to the uterus a prophylactic O Leary suture35 was positioned .