Any PE · People with cancer with perioperative thromboprophylaxis
LMWH prophylaxis showed no clear difference in any PE compared with UFH prophylaxis (moderate certainty).
1 finding from 1 review
Symptomatic DVT · People with cancer with perioperative thromboprophylaxis
LMWH prophylaxis showed no clear difference in symptomatic DVT compared with UFH prophylaxis (moderate certainty).
1 finding from 1 review
Symptomatic DVT measured as asymptomatic DVT · People with cancer with perioperative thromboprophylaxis
LMWH prophylaxis showed no clear difference in symptomatic DVT measured as asymptomatic DVT compared with UFH prophylaxis (low certainty).
1 finding from 1 review
Major bleeding · People with cancer with perioperative thromboprophylaxis
LMWH prophylaxis showed no clear difference in major bleeding compared with UFH prophylaxis (moderate certainty).
1 finding from 1 review
Minor bleeding · People with cancer with perioperative thromboprophylaxis
LMWH prophylaxis showed no clear difference in minor bleeding compared with UFH prophylaxis (moderate certainty).
1 finding from 1 review
Wound hematoma · People with cancer with perioperative thromboprophylaxis
LMWH prophylaxis probably leads to lower wound hematoma compared with UFH prophylaxis (moderate certainty).
1 finding from 1 review
Adverse events (Re‐operation for bleeding (reoperation for major bleeding within 30 days (yes/no))) · People with cancer with perioperative thromboprophylaxis
LMWH prophylaxis showed no clear difference in reoperation for bleeding compared with UFH prophylaxis (moderate certainty).
1 finding from 1 review
Intraoperative transfusion · People with cancer with perioperative thromboprophylaxis
1 finding from 1 review
Thrombosis · people with antiphospholipid antibodies and no history of thrombosis
1 finding from 1 review
Bleeding ‐ major/excessive · people with antiphospholipid antibodies and no history of thrombosis
1 finding from 1 review
Subcutaneous bruises · people with antiphospholipid antibodies and no history of thrombosis
ASA + high‐dose LMWH showed no clear difference in subcutaneous bruises compared with ASA + low‐dose LMWH or UFH (low certainty).
1 finding from 1 review
All‐cause mortality · people with antiphospholipid antibodies and no history of thrombosis
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Quality of life · people with antiphospholipid antibodies and no history of thrombosis
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse events other than bleeding · people with antiphospholipid antibodies and no history of thrombosis
1 finding from 1 review
no estimate extracted
1 participants
GRADE not reported
Adverse effects sufficient to stop treatment · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
It is very uncertain whether antenatal (± postnatal) prophylaxis: LMWH changes adverse effects sufficient to stop treatment compared with UFH (very low certainty).
1 finding from 1 review
Maternal death · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Symptomatic thromboembolic events ( · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
It is very uncertain whether antenatal (± postnatal) prophylaxis: LMWH changes symptomatic thromboembolic events ( compared with UFH (very low certainty).
1 finding from 1 review
Symptomatic PE · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
1 finding from 1 review
Symptomatic DVT · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
1 finding from 1 review
Maternal death · women giving birth by elective or emergency caesarean (elective or emergency (1 trial), elective cesarean only (1 trial),…
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found