Abstract：Objective To investigate the application effect of Tromethamine combined with intrauterine balloon placement in postpartum hemorrhage after cesarean section of placenta previa.Methods A total of 220 patients with postpartum hemorrhage after cesarean section of placenta previa who were admitted to Yichun Maternal and Child Health Hospital of Jiangxi Province from October 2015 to December 2018 were selected as the research objects and divided into the control group and the observation group by random number table method,with 110 cases in each group.The control group was treated with Oxytocin combined with intrauterine balloon placement.The observation group was treated with Tromethamine combined with intrauterine balloon placement.The hemoglobin contents,postpartum hemorrhage and adverse reactions were compared between the two groups.Results The hemoglobin contents in the two groups after surgery were lower than those before surgery,and the differences were statistically significant (P ＜0.05).The hemoglobin content in the observation group after surgery was higher than that in the control group,and the difference was statistically significant (P＜0.05).The blood loss in the observation group at 2 and 24 h postpartum was less than that in the control group,and the differences were statistically significant (P＜0.05).There were no statistically significant differences in the incidence rates of adverse reactions such as nausea and vomiting,transient hypertension,fever,gastrointestinal reactions between the two groups (P＞0.05).Conclusion Tromethamine combined with intrauterine balloon placement can reduce the amount of postpartum hemorrhage after cesarean section of placenta previa.
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