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: heparin (LMWH or UFH) changes symptomatic thromboembolic events ( compared with no treatment/placebo (very low certainty).
1 finding from 1 review
Symptomatic PE · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
It is very uncertain whether antenatal (± postnatal) prophylaxis: heparin (LMWH or UFH) changes symptomatic PE ( compared with no treatment/placebo (very low certainty).
1 finding from 1 review
Symptomatic DVT · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
It is very uncertain whether antenatal (± postnatal) prophylaxis: heparin (LMWH or UFH) changes symptomatic DVT ( compared with no treatment/placebo (very low certainty).
1 finding from 1 review
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: heparin (LMWH or UFH) changes adverse effects sufficient to stop treatment compared with no treatment/placebo (very low certainty).
1 finding from 1 review
Maternal death · women giving birth by elective or emergency caesarean (elective only (1 trial), emergency or elective (4 trials))
1 finding from 1 review
Symptomatic thromboembolic events ( · women giving birth by elective or emergency caesarean (elective only (1 trial), emergency or elective (4 trials))
It is very uncertain whether peripartum/postnatal prophylaxis (caesarean): heparin (LMWH or UFH) changes symptomatic thromboembolic events (timing of assessment unclear,… compared with no treatment/placebo (very low certainty).
1 finding from 1 review
Symptomatic PE · women giving birth by elective or emergency caesarean (elective only (1 trial), emergency or elective (4 trials))
It is very uncertain whether peripartum/postnatal prophylaxis (caesarean): heparin (LMWH or UFH) changes symptomatic PE (timing of assessment unclear, within 6 weeks… compared with no treatment/placebo (very low certainty).
1 finding from 1 review
Symptomatic DVT · women giving birth by elective or emergency caesarean (elective only (1 trial), emergency or elective (4 trials))
1 finding from 1 review
Adverse effects sufficient to stop treatment · women giving birth by elective or emergency caesarean (elective only (1 trial), emergency or elective (4 trials))
1 finding from 1 review
All‐cause mortality · People with cancer with perioperative thromboprophylaxis
LMWH prophylaxis showed no clear difference in mortality compared with UFH prophylaxis (moderate certainty).
1 finding from 1 review
Postoperative transfusion Median · People with cancer with perioperative thromboprophylaxis
1 finding from 1 review
Intraoperative blood loss (mL) · People with cancer with perioperative thromboprophylaxis
1 finding from 1 review
Postoperative drain volume · People with cancer with perioperative thromboprophylaxis
1 finding from 1 review
Thrombocytopenia · People with cancer with perioperative thromboprophylaxis
LMWH prophylaxis showed no clear difference in thrombocytopenia compared with UFH prophylaxis (moderate certainty).
1 finding from 1 review
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