For anterior circulation AIS, thrombectomy is indicated in select patients up to 16 hours from symptom onset or time last known well for unwitnessed strokes, including wake-up strokes [class I, level A], and is indicated in select patients up to 24 hours from last known normal [class IIa, level B].

When is a thrombectomy needed?

You might need surgical thrombectomy if you have a blood clot in an artery or vein. This surgery is often needed for a blood clot in an arm or leg. In some cases, it may also be needed for a blood clot in an organ or other part of the body.

When is thrombectomy indicated for DVT?

WHEN IS IT INDICATED? Venous thrombectomy is indicated in patients with DVT whose symptoms are severe and have been present for fewer than 7 days.