Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

358 questions · 360 findings · 31 reviews · Vascular

No studies found 86 · 23.9%GRADE not reported 15 · 4.2%Very low 40 · 11.1%Low 117 · 32.5%Moderate 90 · 25%High 12 · 3.3%

Extended prophylaxis vs placebo

Clinically relevant non‐major bleeding Treatment duration 28 ‐ 42 days · patients with unprovoked venous thromboembolism

Extended prophylaxis showed no clear difference in clinically relevant non‐major bleedingh compared with placebo (low certainty).

1 finding from 1 review

Heparin vs placebo

Symptomatic VTE · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair

Heparin showed no clear difference in symptomatic VTE (DVT and PE) Treatment duration 28 ‐ 42 days compared with placebo (high certainty).

1 finding from 1 review

Vitamin K antagonists vs placebo

Major bleeding · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair

Vitamin K antagonists showed no clear difference in bleeding ‐ major Treatment duration 28 ‐ 42 days compared with placebo (low certainty).

1 finding from 1 review

Vitamin K antagonists vs placebo

Clinically relevant non‐major bleeding Treatment duration 28 ‐ 42 days · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair

The review found no eligible studies for this question.

1 finding from 1 review

DOAC vs placebo

Symptomatic VTE · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair

DOAC probably leads to lower symptomatic VTE (DVT and PE) Treatment duration 28 ‐ 42 days compared with placebo (moderate certainty).

1 finding from 1 review

DOAC vs placebo

Symptomatic DVT · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair

DOAC leads to lower symptomatic DVT (proximal or distal) Treatment duration 28 ‐ 42 days compared with placebo (high certainty).

1 finding from 1 review