Acute Ischemic Stroke-Thrombectomy — SCE Neurology MCQ

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ModerateNeurologyAcute Ischemic Stroke-ThrombectomySCE Neurology

A 64-year-old arrives 9 hours after last known well with dense left hemiplegia. CT angiography shows right M1 occlusion. Perfusion imaging meets DAWN/DEFUSE‑3 criteria. What is indicated?

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Correct answer: C — Endovascular thrombectomy

Explanation lettering: E = shown as B · B = shown as D · D = shown as E

Endovascular thrombectomy is indicated for anterior circulation large‑vessel occlusion within appropriate imaging‑selected windows up to 24 hours. IV alteplase (A) window has passed. Intra‑arterial thrombolysis alone (B) is not standard. Aspirin alone (D) misses a proven therapy. Saying no therapy beyond 6 hours (E) is outdated.

Reference: https://www.nice.org.uk/guidance/conditions-and-diseases/neurological-conditions