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戴汝平

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期刊论文

Coronary artery stenoses: A phantom study using contrast enhanced three-dimensional electron beam tomography

戴汝平Bin Lu a RuPing Dai a Hua Bai a Sha He a BaoLian Jing a ShiLiang Jiang a Nan Zhuang a XiaoGang Sun bc Matthew J. Budoff d*

Journal of Clinical Imaging 25(2001)95-100,-0001,():

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摘要/描述

This paper evaluated the accuracy of electron beam tomographic angiography (EBA) with conventional coronary arteriography (CCA) using four graded artificial stenoses in a postmortem swine coronary phantom model. The sensitivity, specificity, and accuracy of EBA for diagnosing significant stenosis (≥50% stenosis) were 94.3%, 96.7%, and 95.8%, respectively. The diagnostic accuracy of EBA had no significant difference with CCA (x2=0.0162; P>.05). EBA three-dimensional (3D) procedures had high interobserver reproducibility (k=.92-.95, P>.05). Maximum intensity projection (MIP) was the most sensitive and curved planar reformation (CPR) was the most accurate 3D procedure for quantitatively identifying coronary stenosis. EBAyields promising results concerning the visualization of coronary artery stenosis with high accuracy for stenoses >50%.

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【免责声明】以下全部内容由[戴汝平]上传于[2005年01月19日 18时32分36秒],版权归原创者所有。本文仅代表作者本人观点,与本网站无关。本网站对文中陈述、观点判断保持中立,不对所包含内容的准确性、可靠性或完整性提供任何明示或暗示的保证。请读者仅作参考,并请自行承担全部责任。

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