Findings

What do systematic reviews say?

7 questions · 7 findings · 1 reviews · Vascular

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No studies found 4 · 57.1%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 3 · 42.9%High 0 · 0%

Extended prophylaxis vs another VTE extended prophylaxis

Major bleeding · patients with unprovoked venous thromboembolism

VTE extended prophylaxis showed no clear difference in major bleedingd compared with another VTE extended prophylaxis (moderate certainty).

1 finding from 1 review

Secondary prevention of recurrent venous thromboembolism after initial oral anticoagulation therapy in patients with… 2017 · Cochrane Headline outcomes only
OR 3.06 [0.37, 25.51]
1 study · 1389 participants
Moderate

Extended prophylaxis vs another VTE extended prophylaxis

All‐cause mortalitye · patients with unprovoked venous thromboembolism

The review found no eligible studies for this question.

1 finding from 1 review

Secondary prevention of recurrent venous thromboembolism after initial oral anticoagulation therapy in patients with… 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Extended prophylaxis vs another VTE extended prophylaxis

Clinically relevant non‐major bleeding Treatment duration 28 ‐ 42 days · patients with unprovoked venous thromboembolism

VTE extended prophylaxis showed no clear difference in clinically relevant non‐major bleedingf compared with another VTE extended prophylaxis (moderate certainty).

1 finding from 1 review

Secondary prevention of recurrent venous thromboembolism after initial oral anticoagulation therapy in patients with… 2017 · Cochrane Headline outcomes only
OR 0.84 [0.37, 1.94]
1 study · 1389 participants
Moderate

Extended prophylaxis vs another VTE extended prophylaxis

Strokeg · patients with unprovoked venous thromboembolism

The review found no eligible studies for this question.

1 finding from 1 review

Secondary prevention of recurrent venous thromboembolism after initial oral anticoagulation therapy in patients with… 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Extended prophylaxis vs another VTE extended prophylaxis

Myocardial infarction · patients with unprovoked venous thromboembolism

The review found no eligible studies for this question.

1 finding from 1 review

Secondary prevention of recurrent venous thromboembolism after initial oral anticoagulation therapy in patients with… 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Extended prophylaxis vs another VTE extended prophylaxis

VTE‐related mortality4 · patients with unprovoked venous thromboembolism

The review found no eligible studies for this question.

1 finding from 1 review

Secondary prevention of recurrent venous thromboembolism after initial oral anticoagulation therapy in patients with… 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Extended prophylaxis vs another VTE extended prophylaxis

Recurrent VTEb · patients with unprovoked venous thromboembolism

VTE extended prophylaxis probably leads to lower recurrent VTEb compared with another VTE extended prophylaxis (moderate certainty).

1 finding from 1 review

Secondary prevention of recurrent venous thromboembolism after initial oral anticoagulation therapy in patients with… 2017 · Cochrane Headline outcomes only
OR 0.28 [0.15, 0.54]
1 study · 1389 participants
Moderate