Findings

What do systematic reviews say?

2 questions · 2 findings · 2 reviews · Stroke

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 1 · 50%Moderate 1 · 50%High 0 · 0%

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 versus medical treatment for symptomatic intracranial artery stenosis 2023 · Cochrane Headline outcomes only
RR 2.93 [1.81, 4.75]
4 studies · 989 participants
Moderate

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

Percutaneous transluminal angioplasty and stenting for vertebral artery stenosis 2022 · Cochrane Headline outcomes only
RR 2.33 [0.77, 7.07]
3 studies · 349 participants
Low