Quantitative Collateral Grading on CT Angiography in Patients with Acute Ischemic Stroke

被引：9

作者：

Boers, Anna M. M. ^{[1
,2
,3
]}

Barros, Renan Sales ^{[1
]}

Jansen, Ivo G. H. ^{[1
,2
]}

Slump, Cornelis H. ^{[3
]}

Dippel, Diederik W. J. ^{[4
]}

van der Lugt, Aad ^{[5
]}

van Zwam, Wim H. ^{[6
]}

Roos, Yvo B. W. E. M. ^{[8
]}

van Oostenbrugge, Robert J. ^{[7
]}

Majoie, Charles B. L. M. ^{[2
]}

Marquering, Henk A. ^{[1
,2
]}

机构：

[1] AMC, Dept Biomed Engn & Phys, Amsterdam, Netherlands

[2] AMC, Dept Radiol & Nucl Med, Amsterdam, Netherlands

[3] Univ Twente, MIRA Inst Biomed Engn & Tech Med, Enschede, Netherlands

[4] Erasmus MC, Dept Neurol, Rotterdam, Netherlands

[5] Erasmus MC, Dept Radiol, Rotterdam, Netherlands

[6] Maastricht UMC, Dept Radiol, Maastricht, Netherlands

[7] Maastricht UMC, Dept Neurol, Maastricht, Netherlands

[8] AMC, Dept Neurol, Amsterdam, Netherlands

来源：

MOLECULAR IMAGING, RECONSTRUCTION AND ANALYSIS OF MOVING BODY ORGANS, AND STROKE IMAGING AND TREATMENT | 2017年 / 10555卷

关键词：

Collateral status; Automatic assessment; Acute ischemic stroke; CT angiography; Endovascular therapy; INTRAARTERIAL TREATMENT; ENDOVASCULAR TREATMENT; OUTCOMES; TRIAL; SCORE; FLOW;

D O I：

10.1007/978-3-319-67564-0_18

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Reliable assessment of collateral blood supply is important in acute ischemic stroke. We propose a quantitative method for evaluation of collateral status on CT angiography (CTA). We collected CTA images of 70 patients from MR CLEAN with an occlusion in the M1 branch. Our proposed quantitative collateral score (qCS) consisted of atlas-based territory-at-risk identification and vessel segmentation using a Hessian-based filter. Ground truth was obtained by manual collateral scoring (mCS). Accuracy was evaluated by analysis of Spearman. and one-way ANOVA. Correlation of mCS and qCS with tissue death and functional outcome was assessed. Receiver operating characteristics curves of mCS and qCS were analyzed to distinguish favorable from unfavorable outcome. qCS strongly correlated with mCS and showed reliable correlations with tissue death and functional outcome. qCS showed higher discriminative power between favorable and unfavorable compared to mCS, indicating potential clinical value.

引用

页码：176 / 184

页数：9

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