Acceleration time ratio for the assessment of extracranial internal carotid artery stenosis

被引：5

作者：

Takekawa, Hidehiro ^{[1
]}

Suzuki, Keisuke ^{[2
]}

Takada, Etsuo ^{[3
]}

Tanaka, Hideaki ^{[2
]}

Okabe, Ryuta ^{[1
]}

Yamamoto, Masanari ^{[1
]}

Ishii, Yuko ^{[1
]}

Okamura, Madoka ^{[1
]}

Hirata, Koichi ^{[2
]}

机构：

[1] Dokkyo Med Univ, Dept Neurol, Stroke Div, Shimotsuga, Tochigi 3210293, Japan

[2] Dokkyo Med Univ, Dept Neurol, Shimotsuga, Tochigi 3210293, Japan

[3] Dokkyo Med Univ, Ctr Med Ultrason, Shimotsuga, Tochigi 3210293, Japan

来源：

JOURNAL OF MEDICAL ULTRASONICS | 2014年 / 41卷 / 01期

关键词：

Acceleration time ratio; Stenosis; Internal carotid artery; Carotid artery ultrasonography; DUPLEX SONOGRAPHY; ENDARTERECTOMY;

D O I：

10.1007/s10396-013-0471-2

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

To apply the acceleration time (AcT) ratio as an additional marker for diagnosing internal carotid artery (ICA) stenosis. Carotid artery sonography was performed in 140 patients, and the AcT ratio was calculated as the AcT of the ICA divided by the AcT of the ipsilateral common carotid artery, and compared with diameter stenosis. There was a significant correlation between diameter stenosis and the AcT ratio. The receiver operating characteristic curve revealed a cutoff level of 1.5, with 90.0 % sensitivity and 93.5 % specificity for stenosis > 65 %. Our results indicate that applying the AcT ratio can help in the diagnosis of ICA stenosis.

引用

页码：63 / 67

页数：5

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