Experimental Study on Early Detection of Acute Cerebral Ischemic Stroke Using Electrical Impedance Tomography Method

被引：0

作者：

Shi, Xuetao ^{[1
]}

You, Fusheng ^{[1
]}

Xu, Canhua ^{[1
,2
]}

Wang, Liang

Fu, Feng ^{[1
]}

Liu, Ruigang ^{[1
]}

Dong, Xiuzhen ^{[1
]}

机构：

[1] Fourth Mil Med Univ, Med Elect Engn Dept, 17 Chang Le Xi Lu Rd, Xian 710032, Peoples R China

[2] Fourth Military Med Univ, Neurosurgery Tangdu Hosp, Xian, Peoples R China

来源：

WORLD CONGRESS ON MEDICAL PHYSICS AND BIOMEDICAL ENGINEERING, VOL 25, PT 2 - DIAGNOSTIC IMAGING | 2009年 / 25卷

关键词：

stroke; electrical impedance tomography; data acquisition; imaging reconstruct algorithm;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

In order to testify the feasibility of early detection of acute cerebral ischemic stroke by electrical impedance tomography (EIT) technique, an acute cerebral ischemic stroke animal model was established by embolizing the animal's right middle cerebral artery through a infusion catheter, and the EIT images were recorded thereafter using a newly developed EIT system that was optimized for brain imaging. The EIT results showed that after 30 minutes calm period, the resistivity in the target area increased rapidly in the following 4 hours, and increased continuously with a lower slope in the following 11 hours. Those results suggest that EIT is a sensitive method for detecting cerebral ischemic stroke, especially on its early stage.

引用

页码：510 / 513

页数：4

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