Findings

What do systematic reviews say?

6 questions · 8 findings · 3 reviews

No studies found 1 · 12.5%GRADE not reported 0 · 0%Very low 0 · 0%Low 1 · 12.5%Moderate 2 · 25%High 4 · 50%

Symptomatic VTE

Heparin prophylaxis leads to lower symptomatic VTE compared with no prophylaxis (high certainty).

1 finding from 1 review

Parenteral anticoagulation in ambulatory patients with cancer 2017 · Cochrane Headline outcomes only
RR 0.56 [0.47, 0.68]
16 studies · 9036 participants
High

Symptomatic VTE · ambulatory cancer patients receiving chemotherapy

The review found no eligible studies for this question.

1 finding from 1 review

Primary prophylaxis for venous thromboembolism in ambulatory cancer patients receiving chemotherapy 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Symptomatic VTE · ambulatory cancer patients receiving chemotherapy

Low‐molecular‐weight heparin leads to lower symptomatic VTE compared with no thromboprophylaxis (high certainty).

1 finding from 1 review

Symptomatic VTE · ambulatory cancer patients receiving chemotherapy

Low‐molecular‐weight heparin showed no clear difference in symptomatic VTE compared with with active control (1) (low certainty).

3 findings from 1 review

Symptomatic VTE · ambulatory cancer patients receiving chemotherapy

Ultra‐low‐molecular‐weight heparin leads to lower symptomatic VTE compared with placebo (high certainty).

1 finding from 1 review

Symptomatic VTE · patients undergoing abdominal or pelvic surgery

The intervention showed no clear difference in symptomatic VTE (moderate certainty).

1 finding from 1 review

Prolonged thromboprophylaxis with low molecular weight heparin for abdominal or pelvic surgery 2019 · Cochrane Headline outcomes only
OR 0 [0.08, 1.11]
7 studies · 1728 participants
Moderate