Response by Hastrup and Andersen to Letter Regarding Article, “Prehospital Acute Stroke Severity Scale to Predict Large Artery Occlusion: Design and Comparison With Other Scales”
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We appreciate the letter from Heldner et al1 on our recent publication regarding the Prehospital Acute Stroke Severity scale for identification of large-vessel occlusion (LVO).2
We agree that in-hospital angiographies cannot be replaced by neither National Institutes of Health Stroke Scale nor any simpler clinical scales. As documented by the authors, National Institutes of Health Stroke Scale is, despite a significant association with LVO invariably, less accurate than angiography,3 and therefore, it is unlikely that a simpler clinical scale derived from National Institutes of Health Stroke Scale could equal angiography.
But the question is how to identify patients with suspected LVO in the prehospital phase because this is a prerequisite of the …