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465 questions · 491 findings · 45 reviews

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No studies found 117 · 23.8%GRADE not reported 35 · 7.1%Very low 131 · 26.7%Low 133 · 27.1%Moderate 61 · 12.4%High 14 · 2.9%

Summary of findings: Antithrombin III plus heparin vs heparin

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

It is very uncertain whether summary of findings: Antithrombin III plus heparin changes incidence of hepatic veno‐occlusive disease ( compared with heparin alone (very low certainty).

1 finding from 1 review

Summary of findings: Antithrombin III plus heparin vs heparin

Mortality attributable to hepatic veno‐occlusive disease ( · Patients undergoing stem cell transplant with malignant and non‐malignant diseases

It is very uncertain whether summary of findings: Antithrombin III plus heparin changes mortality attributable to hepatic veno‐occlusive disease ( compared with heparin alone (very low certainty).

1 finding from 1 review

Summary of findings: Antithrombin III plus heparin vs heparin

Frequency of adverse events ( · Patients undergoing stem cell transplant with malignant and non‐malignant diseases

It is very uncertain whether summary of findings: Antithrombin III plus heparin changes frequency of adverse events ( compared with heparin alone (very low certainty).

1 finding from 1 review

Low molecular weight heparin vs placebo or no prophylaxis

Deep vein thrombosis · prevention of venous thromboembolism in patients with lower‐limb immobilization

Low molecular weight heparin probably leads to lower deep venous thrombosis compared with no prophylaxis or placebo (moderate certainty).

1 finding from 1 review

Low molecular weight heparin vs placebo or no prophylaxis

Pulmonary embolism · prevention of venous thromboembolism in patients with lower‐limb immobilization

Low molecular weight heparin showed no clear difference in pulmonary embolism compared with no prophylaxis or placebo (low certainty).

1 finding from 1 review

Low molecular weight heparin vs placebo or no prophylaxis

Symptomatic venous thromboembolism · prevention of venous thromboembolism in patients with lower‐limb immobilization

Low molecular weight heparin may leads to lower symptomatic venous thromboembolism compared with no prophylaxis or placebo (low certainty).

1 finding from 1 review

Low molecular weight heparin vs placebo or no prophylaxis

Mortality due to other causes · prevention of venous thromboembolism in patients with lower‐limb immobilization

Low molecular weight heparin showed no clear difference in mortality due to other causes compared with no prophylaxis or placebo (low certainty).

1 finding from 1 review

Low molecular weight heparin vs placebo or no prophylaxis

Adverse outcomes · prevention of venous thromboembolism in patients with lower‐limb immobilization

Low molecular weight heparin showed no clear difference in adverse outcomes compared with no prophylaxis or placebo (low certainty).

1 finding from 1 review

Ultrasound‐assisted catheter‐directed thrombolysis plus standard intravenous heparinisation vs standard intravenous heparinisation

All‐cause mortality (90‐day) · people with intermediate‐risk (submassive) APE

It is very uncertain whether ultrasound‐assisted catheter‐directed thrombolysis plus standard… changes all‐cause mortality (90‐day) compared with standard intravenous heparinisation (very low certainty).

1 finding from 1 review