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ترومبکتومی
The ischemic penumbra is potentially salvageable when factors such as collateral flow and residual perfusion blood flow to brain tissue yield a longer period before irreversible ischemic injury, thereby giving the opportunity for aggressive intervention with revascularization therapies such as thrombolysis and mechanical thrombectomy.
Current guidelines recom- mend intravenous thrombolytics within 4.5 hours and embolectomy with modern thrombectomy devices for large vessel occlusion within 6 hours of symptom onset in eli- gible patients.198-200 With current perfusion imaging tools, embolectomy in expanded time windows after stroke onset has shown efficacy in selected patients.201 Vertebrobasilar occlusion may also benefit from the more recent techniques in even longer time windows.202
Thrombectomy 6 to 24 hours after stroke with a mismatch between deficit and infarct.
Time to treatment with endovascular thrombectomy and outcomes from ischemic stroke: a meta-analysis.
Thrombectomy for stroke with selection by perfusion imaging.
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