Sensitivity and specificity of the hyperdense artery sign for arterial obstruction in acute ischemic stroke.
Mair G, Boyd EV, Chappell FM, von Kummer R, Lindley RI, Sandercock P, Wardlaw JM; IST-3 Collaborative Group.
Mair G, et al.
Stroke. 2015 Jan;46(1):102-7. doi: 10.1161/STROKEAHA.114.007036. Epub 2014 Dec 4.
Stroke. 2015.
PMID: 25477225
Free PMC article.
HAS was more commonly identified in proximal than distal arteries (47% versus 37%; P=0.015), and its sensitivity increased with thinner CT slices (r=-0.73; P=0.001). Neither extent of obstruction nor time after stroke influenced HAS accuracy. ...
HAS was more commonly identified in proximal than distal arteries (47% versus 37%; P=0.015), and its sensitivity increased with thinner …