DVT (symptomatic, asymptomatic, non‐fatal) · people undergoing major amputation of the lower extremity
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Symptomatic PE Treatment duration 28 ‐ 42 days · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair
Heparin showed no clear difference in symptomatic PE Treatment duration 28 ‐ 42 days compared with placebo (low certainty).
1 finding from 1 review
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
PE (symptomatic, asymptomatic, non‐fatal) · people undergoing major amputation of the lower extremity
Heparin showed no clear difference in PE (symptomatic, asymptomatic, non‐fatal) (timing not specified) compared with placebo (low certainty).
1 finding from 1 review
Symptomatic DVT · people requiring prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair
Heparin showed no clear difference in symptomatic DVT (proximal or distal) Treatment duration 28 ‐ 42 days compared with placebo (moderate certainty).
1 finding from 1 review
Asymptomatic VTE at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Asymptomatic VTE at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Symptomatic DVT · participants at risk of venous thromboembolism
1 finding from 1 review
Asymptomatic DVT · participants at risk of venous thromboembolism
1 finding from 1 review
Symptomatic recurrent VTE at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in symptomatic recurrent VTE at 3 months compared with intravenous unfractionated heparin (low certainty).
1 finding from 1 review
Symptomatic recurrent DVT at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in symptomatic recurrent DVT at 3 months compared with intravenous unfractionated heparin (low certainty).
1 finding from 1 review
Symptomatic recurrent VTE at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in symptomatic recurrent VTE at 3 months compared with low molecular weight heparin (low certainty).
1 finding from 1 review
Symptomatic recurrent DVT at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in symptomatic recurrent DVT at 3 months compared with low molecular weight heparin (low certainty).
1 finding from 1 review
PE (symptomatic, asymptomatic, non‐fatal) · people undergoing major amputation of the lower extremity
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Symptomatic VTE
Heparin prophylaxis leads to lower symptomatic VTE compared with no prophylaxis (high certainty).
1 finding from 1 review
Symptomatic PE · 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
DVT (symptomatic, asymptomatic, non‐fatal) · people undergoing major amputation of the lower extremity
It is very uncertain whether unfractionated heparin changes DVT (symptomatic, asymptomatic, non‐fatal) (5 to 8 days after surgery) compared with low molecular weight heparin (very low certainty).
1 finding from 1 review
Symptomatic VTE · 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
Symptomatic DVT · 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
Symptomatic intracranial haemorrhage/haemorrhagic transformation of the cerebral infarct during treatment period (range 6 days to 16 days)⁹ · acute ischaemic stroke
Low‐molecular‐weight heparins or heparinoids showed no clear difference in symptomatic intracranial haemorrhage/haemorrhagic transformation of… compared with unfractionated heparin (low certainty).
1 finding from 1 review