Facharzt FMH Neurologie Practice Questions - Facharzt FMH Für Neurologie Spécialiste FMH En Neurologie Exam

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A 74-year-old man presents 14 hours after last being seen well with a severe right middle cerebral artery stroke syndrome (NIHSS 18). CT perfusion and CT angiography reveal an occlusion of the right proximal M1 segment, an ischemic core volume (rCBF 6.0 s) of 110 mL (mismatch volume 92 mL, mismatch ratio 6.1). His baseline modified Rankin Scale (mRS) score was 0. According to the DAWN and DEFUSE-3 criteria, what is the most appropriate next step?

Conservative supportive care on the stroke unit, as the 6-hour therapeutic window for mechanical intervention has elapsed Intravenous thrombolysis with tenecteplase 0.40 mg/kg Immediate endovascular mechanical thrombectomy Urgent superficial temporal artery to middle cerebral artery (STA-MCA) bypass surgery

Correct Answer:

Immediate endovascular mechanical thrombectomy

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