Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

114 questions · 129 findings · 12 reviews

No studies found 37 · 28.7%GRADE not reported 4 · 3.1%Very low 24 · 18.6%Low 37 · 28.7%Moderate 20 · 15.5%High 7 · 5.4%

Low molecular weight heparin vs no LMWH

Symptomatic catheter‐related thrombosis measured as asymptomatic catheter‐related thrombosis (up to 3 months) · people with cancer with thrombosis prophylaxis and central venous catheters

It is very uncertain whether low‐molecular‐weight heparin (LMWH) changes symptomatic catheter‐related thrombosis measured as asymptomatic… compared with no LMWH (very low certainty).

1 finding from 1 review

Low molecular weight heparin vs no LMWH

Antibiotic versus heparin only lock/flush solution: catheter‐related infections · people with cancer with thrombosis prophylaxis and central venous catheters

Low‐molecular‐weight heparin (LMWH) showed no clear difference in catheter‐related infection (up to 3 months) compared with no LMWH (low certainty).

1 finding from 1 review

Low molecular weight heparin vs control

Symptomatic catheter‐related thrombosis (up to 3 months) · children with a CVC

Does low molecular weight heparin prevent central venous… showed no clear difference in symptomatic CVC‐related thrombosis ( compared with control (low certainty).

1 finding from 1 review

Low molecular weight heparin and idraparinux vs usual care

Major bleeding · people > 18 years of age with a diagnosed deep vein thrombosis

The review found no eligible studies for this question.

2 findings from 1 review

Low molecular weight heparin vs placebo or no treatment

Incidence of hepatic veno‐occlusive disease ( · People undergoing stem cell transplant with malignant diseases

It is very uncertain whether summary of findings: Low molecular weight heparin changes incidence of hepatic veno‐occlusive disease ( compared with placebo or no treatment (very low certainty).

1 finding from 1 review