Cochrane · systematic review · CD007872

Tranexamic acid for preventing postpartum haemorrhage

Novikova, N, Hofmeyr, GJ, Cluver, C · Cochrane Database of Systematic Reviews · 2015 · Cochrane Library

Pregnancy and ChildbirthAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
7
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 2 · 28.6%Moderate 5 · 71.4%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Tranexamic acid versus placebo/no treatment for preventing postpartum haemorrhage

Population: pregnant women undergoing vaginal or caesarean birth who received TA for the prevention of postpartum haemorrhage
7 questions
OutcomeEffectEvidenceStatus / GRADE
Blood loss > 400 mL or > 500 mL
Tranexamic acid vs placebo/no treatment
RR 0.52 [0.42, 0.63]6 studies · 1398 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency
Blood loss > 1000 mL
Tranexamic acid vs placebo/no treatment
RR 0.4 [0.23, 0.71]6 studies · 2093 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency
Mean blood loss (mL)
Tranexamic acid vs placebo/no treatment
no estimate extracted5 studies · 1186 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency
Use of additional medical interventions to control PPH
Tranexamic acid vs placebo/no treatment
RR 0.48 [0.34, 0.68]5 studies · 2049 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency
Maternal death or severe maternal morbidity such as seizure, thromboembolic events, need for intensive care unit admission, hysterectomy, organ failure
Tranexamic acid vs placebo/no treatment
no estimate extracted4 studies · 1511 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Side effects
Tranexamic acid vs placebo/no treatment
RR 2.48 [1.36, 4.5]8 studies · 2616 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency
Thromboembolic events
Tranexamic acid vs placebo/no treatment
RR 0.98 [0.14, 6.78]11 studies · 3012 participantsLow
Downgraded: risk of bias, imprecision, inconsistency