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What do systematic reviews say?

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Evidence found and GRADE certainty

4 questions · 4 findings · 2 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 3 · 75%Moderate 1 · 25%High 0 · 0%

Endovascular therapy plus conventional medical treatment vs conventional medical treatment alone

Death · people with symptomatic intracranial artery stenosis

Endovascular therapy plus conventional medical treatment may leads to higher death compared with conventional medical treatment alone (low certainty).

1 finding from 1 review

Endovascular therapy plus conventional medical treatment vs conventional medical treatment alone

Death or stroke · people with symptomatic intracranial artery stenosis

Endovascular therapy plus conventional medical treatment probably leads to higher death or stroke compared with conventional medical treatment alone (moderate certainty).

1 finding from 1 review

Endovascular therapy plus conventional medical treatment vs medical treatment

Death or stroke · people with vertebral artery stenosis

Endovascular treat ment plus medical treatment showed no clear difference in 30‐day post‐randomisation death/stroke compared with medical treatment alone (low certainty).

1 finding from 1 review