Major bleeding
Heparin prophylaxis showed no clear difference in major bleeding compared with no prophylaxis (moderate certainty).
1 finding from 1 review
Major bleeding · patients with cancer with venous thromboembolism
Low molecular weight heparin secondary prophylaxis showed no clear difference in major bleeding (main analysis ‐ active cancer) compared with vitamin K antagonist secondary prophylaxis (low certainty).
1 finding from 1 review
Major bleeding · patients with cancer with venous thromboembolism
Direct oral anticoagulant secondary prophylaxis showed no clear difference in major bleeding compared with low molecular weight heparin secondary prophylaxis (low certainty).
1 finding from 1 review
Major bleeding · ambulatory cancer patients receiving chemotherapy
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Major GI bleeding · patients with cancer with venous thromboembolism
Direct oral anticoagulant secondary prophylaxis showed no clear difference in major GI bleeding compared with low molecular weight heparin secondary prophylaxis (low certainty).
1 finding from 1 review
Major bleeding · ambulatory cancer patients receiving chemotherapy
Low‐molecular‐weight heparin probably leads to higher major bleeding compared with no thromboprophylaxis (moderate certainty).
1 finding from 1 review
Major non‐GI bleeding · patients with cancer with venous thromboembolism
It is very uncertain whether direct oral anticoagulant secondary prophylaxis changes major non‐GI bleeding compared with low molecular weight heparin secondary prophylaxis (very low certainty).
1 finding from 1 review
Major upper GI bleeding · patients with cancer with venous thromboembolism
It is very uncertain whether direct oral anticoagulant secondary prophylaxis changes major upper GI bleeding compared with low molecular weight heparin secondary prophylaxis (very low certainty).
1 finding from 1 review
Major lower GI bleeding · patients with cancer with venous thromboembolism
It is very uncertain whether direct oral anticoagulant secondary prophylaxis changes major lower GI bleeding compared with low molecular weight heparin secondary prophylaxis (very low certainty).
1 finding from 1 review
Major bleeding · adults undergoing KA
Low‐molecular‐weight heparin showed no clear difference in major bleeding ( compared with no prophylaxis (moderate certainty).
1 finding from 1 review
Major bleeding · ambulatory cancer patients receiving chemotherapy
The review found no eligible studies for this question.
3 findings from 1 review
Major bleeding · ambulatory cancer patients receiving chemotherapy
Ultra‐low‐molecular‐weight heparin showed no clear difference in major bleeding compared with placebo (moderate certainty).
1 finding from 1 review
Bleeding (major and minor) · participants at risk of venous thromboembolism
1 finding from 1 review
Major bleeding · people with cancer with thrombosis prophylaxis and central venous catheters
It is very uncertain whether low‐molecular‐weight heparin (LMWH) changes major bleeding (up to 3 months) compared with vitamin K antagonist (VKA) (very low certainty).
1 finding from 1 review
Major bleeding · people with cancer with thrombosis prophylaxis and central venous catheters
It is very uncertain whether low‐molecular‐weight heparin (LMWH) changes major bleeding (up to 3 months) compared with no LMWH (very low certainty).
1 finding from 1 review
All adverse effects, including allergies at injection site, minor and major bleeding, others ( · adults undergoing KA
Low‐molecular‐weight heparin showed no clear difference in all adverse effects, including allergies at injection site, minor… compared with no prophylaxis (moderate certainty).
1 finding from 1 review
Adverse events: clinically relevant non‐major bleeding / heparin‐induced thrombocytopenia ‐ not reported · adults with acute lymphoblastic leukaemia treated with asparaginase‐based chemotherapy
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found