External Validation of VAN, VES and LARIO Scales in Suspected Acute Stroke

Plain-language summary

In acute ischemic stroke, treatments include intravenous thrombolysis (IVT) and mechanical thrombectomy (MT). IVT is viable up to 4.5 hours post-stroke onset, while MT is applicable within 24 hours but primarily for large vessel occlusions. MT is specialized and performed in select stroke centers. Effective early triage improves neurological outcomes. Pre-hospital stroke severity assessment and direct transfers for MT are crucial. Although the National Institute of Health Stroke Scale (NIHSS) is widely recognized, its practicality is limited in emergency settings due to its complexity. Alternative scoring systems like LAMS, CPSS, and RACE have been introduced but have limitations. Recently developed scores, namely Vision, Aphasia, and Neglect (VAN), Ventura Emergency Large Vessel Occlusion (VES), and Large Artery Intracranial Occlusion Stroke Scale (LARIO), demonstrate promising diagnostic accuracy in pilot studies, suggesting potential benefits for early detection, appropriate triage, and better neurological outcomes

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