USEFULNESS OF 3-DIMENSIONAL TIME-OF-FLIGHT MR-ANGIOGRAPHY FOR EVALUATION OF CAROTID-ARTERY BIFURCATION STENOSIS

被引：14

作者：

UEHARA, T ^{[1
]}

TABUCHI, M ^{[1
]}

OHSUMI, Y ^{[1
]}

YONEDA, Y ^{[1
]}

MORI, E ^{[1
]}

机构：

[1] HYOGO INST AGING BRAIN & COGNIT DISORDERS,DEPT CLIN NEUROSCI,HIMEJI,HYOGO,JAPAN

来源：

CEREBROVASCULAR DISEASES | 1995年 / 5卷 / 03期

关键词：

MAGNETIC RESONANCE ANGIOGRAPHY; ANGIOGRAPHY; CEREBROVASCULAR DISEASE; CAROTID ARTERY STENOSIS; DIAGNOSIS;

D O I：

10.1159/000107852

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

We evaluated the usefulness of three-dimensional time-of-flight magnetic resonance angiography (3-D TOF MRA) in the estimation of carotid artery bifurcation stenosis by comparing it with conventional angiography in 81 vessels of 44 patients with cerebrovascular ischemic diseases. Agreement of interpretation on 3-D TOF MRA between two observers was equivalent to that on conventional angiography, indicating that both modalities were similarly reliable. A high correlation between MRA and conventional angiography assessments was apparent (Spearman rank correlation coefficients = 0.96, p = 0.0001). Calculating sensitivity and specificity of MRA for each cutoff point of severity, sensitivity ranged from 93.8 to 100%, and specificity from 96.1 to 98.5%. The only limitation of 3-D TOF MRA was that severe stenosis often mimicked occlusion. We concluded that 3-D TOF MRA is useful for evaluation of narrowing of carotid artery bifurcation.

引用

页码：199 / 203

页数：5

共 21 条

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