Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

123 questions · 129 findings · 13 reviews

No studies found 28 · 21.7%GRADE not reported 25 · 19.4%Very low 20 · 15.5%Low 26 · 20.2%Moderate 28 · 21.7%High 2 · 1.6%

Tranexamic acid vs placebo/no treatment

Blood loss > 1000 mL · pregnant women undergoing vaginal or caesarean birth who received TA for the prevention of postpartum haemorrhage

Tranexamic acid probably leads to lower blood loss > 1000 mL compared with placebo/no treatment (moderate certainty).

1 finding from 1 review

Tranexamic acid vs placebo/no treatment

Use of additional medical interventions to control PPH · pregnant women undergoing vaginal or caesarean birth who received TA for the prevention of postpartum haemorrhage

Tranexamic acid probably leads to lower use of additional medical interventions to control PPH compared with placebo/no treatment (moderate certainty).

1 finding from 1 review

Tranexamic acid vs placebo/no treatment

Thromboembolic events · pregnant women undergoing vaginal or caesarean birth who received TA for the prevention of postpartum haemorrhage

Tranexamic acid showed no clear difference in thromboembolic events compared with placebo/no treatment (low certainty).

1 finding from 1 review

Tranexamic acid vs placebo

Thromboembolic events · patients with upper gastrointestinal bleeding

Tranexamic acid probably leads to higher any thromboembolic event Clinical and radiological assessment compared with placebo (moderate certainty).

1 finding from 1 review

Tranexamic acid vs placebo

Surgery Number of participants who underwent surgery · patients with upper gastrointestinal bleeding

Tranexamic acid probably leads to lower surgery Number of participants who underwent surgery compared with placebo (moderate certainty).

1 finding from 1 review

Tranexamic acid vs placebo

Blood transfusion · patients with upper gastrointestinal bleeding

It is very uncertain whether tranexamic acid changes transfusion Number needing blood transfusion compared with placebo (very low certainty).

1 finding from 1 review