Scanners, brain coverage, acquisition time and contrast agent for CT perfusion amongst hospitals included in this study.

<p>^a Toshiba Medical Systems, Tokyo, Japan</p><p>^b Siemens, Erlangen, Germany</p><p>Scanners, brain coverage, acquisition time and contrast agent for CT perfusion amongst hospitals included in this study.</p

Total ischemic core volume (isc. core vol.), ischemic lesion agreement (light blue) and misclassified ischemic core (dark blue) volume (ml) and FDR (%) for all patients.

<p>If truncation was observed in time-attenuation curves (AIF/ VOF or tissue TAC), this is denoted as 1.</p

Absolute CBV (ml/100g) for misclassified ischemic core and ischemic lesion agreement.

<p>Current threshold value for defining ischemic core is 2.0 ml/100g, and visualized by a horizontal line.</p

Example of a misclassified ischemic core.

<p>A. Ischemic core as selected by CT perfusion software on baseline CTP (projected on follow-up noncontrast CT). B. Final infarct as determined on follow-up noncontrast CT. C. Misclassified ischemic core region projected on follow-up noncontrast CT.</p

Écrits pour l'art

01 août 18911891/08/01 (A5,N5)