Cochrane · systematic review · CD013649

Drugs to reduce bleeding and transfusion in major open vascular or endovascular surgery: a systematic review and network meta‐analysis

Beverly, A, Ong, G, Kimber, C, et al. · Cochrane Database of Systematic Reviews · 2023 · Cochrane Library

VascularAMSTAR 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
10
current version
GRADE rated
7
No studies
3
Included studies
NR
No studies 3 · 30%Ungraded 0 · 0%Very low 6 · 60%Low 1 · 10%Moderate 0 · 0%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

Summary of findings: Tranexamic acid versus placebo

Population: people aged 18 and over undergoing vascular surgery
5 questions
OutcomeEffectEvidenceStatus / GRADE
Red cell transfusions (units per participant) up to 30 days post surgery
Summary of findings: Tranexamic acid vs placebo
no estimate extractedNRNo studies
All‐cause mortality up to 30 days
Summary of findings: Tranexamic acid vs placebo
no estimate extracted1 study · 100 participantsVery low
Downgraded: imprecision, indirectness
Risk of receiving any allogeneic blood product (data only available for intraoperative blood product use)
Summary of findings: Tranexamic acid vs placebo
RR 0.66 [0.11, 3.95]1 study · 100 participantsVery low
Downgraded: imprecision, indirectness
Risk of reoperation or repeat procedure for bleeding within 7 days
Summary of findings: Tranexamic acid vs placebo
RR 0.33 [0.01, 7.99]1 study · 100 participantsVery low
Downgraded: imprecision, indirectness
Risk of a thrombotic/thromboembolic event (MI, CVA, DVT, PE)
Summary of findings: Tranexamic acid vs placebo
RR 1.1 [0.88, 1.36]1 study · 1360 participantsLow
Downgraded: imprecision, indirectness

Summary of findings: Fibrin sealant vs usual care

Population: people aged 18 and over undergoing vascular surgery
5 questions
OutcomeEffectEvidenceStatus / GRADE
Red cell transfusions (units per participant) up to 30 days post surgery
Summary of findings: Fibrin sealant vs usual care
no estimate extractedNRNo studies
All‐cause mortality up to 30 days
Summary of findings: Fibrin sealant vs usual care
RR 0.44 [0.11, 1.76]3 studies · 585 participantsVery low
Downgraded: risk of bias, imprecision
Risk of receiving any allogeneic blood product up to 30 days
Summary of findings: Fibrin sealant vs usual care
no estimate extractedNRNo studies
Risk of reoperation or repeat procedure for bleeding within 7 days
Summary of findings: Fibrin sealant vs usual care
RR 1.03 [0.31, 3.4]1 study · 160 participantsVery low
Downgraded: risk of bias, imprecision
Risk of a thrombotic/thromboembolic event (MI, CVA, DVT, PE)
Summary of findings: Fibrin sealant vs usual care
RR 0.11 [0, 5.84]1 study · 39 participantsVery low
Downgraded: risk of bias, imprecision