The Effect of Tranexamic Acid on Preventing Post-partum Hemorrhage Due to Uterine Atony: A Triple-blind Randomized Clinical Trial.

BACKGROUND

Postpartum haemorrhage (PPH) is an important cause of early maternal death which needs to be controlled.

OBJECTIVE

This study was designed to compare the effect of intravenous tranexamic acid (TXA) and prostaglandin analogue on reducing PPH resulted from uterine atony in women undergoing C section or vaginal delivery.

METHOD

A randomized, triple-blind, placebo-controlled study was conducted on 248 pregnant women with PPH due to uterine atony who were randomly assigned into two groups of TXA as the intervention group (n=124) and prostaglandin analogue as the control group (n=124). The intervention group received 4 g TXA for an hour and then 1 g over 6 hours infusion intravenously and the control group received prostaglandin analogue.

RESULTS

Postoperative bleeding did not significantly differ between the two groups (68.2±6.1 ml and 69.1±175.73 ml, respectively, P =0.6). Moreover, hemoglobin declines were 1±0.4 g/dl and 1.2±0.5 g/dL in TXA and prostaglandin group respectively, indicating that the difference was not statistically significant (P =0.7).

CONCLUSION

The results of the present study showed that administrating intravenous TXA had comparable effects with prostaglandin analogue on reducing PPH in women with uterine atony and in those undergoing C section or vaginal delivery. Therefore, TXA can be used instead of prostaglandin in managing such patients.