Electrical Impedance Tomography: Tissue Properties to Image Measures
Electrical Impedance Tomography: Tissue Properties to Image Measures
复制标题
电阻抗断层成像：从组织特性到图像测量
DOI：
10.1109/tbme.2017.2728323
复制
发表时间：
2017-11-01
影响因子：
4.6
通讯作者：
Boyle, Alistair
中科院分区：
文献类型：
--
作者：
Adler, Andy;Boyle, Alistair
电阻抗断层成像（EIT）使用体表的电刺激和测量来成像内部组织的电特性。它具有非侵入性和高时间分辨率的优点，但空间分辨率差，对电极移动和接触质量敏感。EIT可用于其中在组织、流体或气体之间存在导电对比的应用，诸如癌性或缺血性组织的成像或呼吸、血流、胃运动和神经活动的功能监测。在过去的十年中，已经看到了使用EIT进行通气监测的临床应用和商业活动。基于EIT的措施的解释是复杂的，这篇评论文章的重点是描述图像解释的路径。“我们回顾了这条途径，从组织电特性，EIT电极和硬件，灵敏度，图像重建，图像处理到EIT措施。讨论了临床相关参数与重建特性之间的关系。概述了EIT的应用领域和我们的研究和开发的前景。
Electrical impedance tomography (EIT) uses electrical stimulation and measurement at the body surface to image the electrical properties of internal tissues. It has the advantage of noninvasiveness and high temporal resolution but suffers from poor spatial resolution and sensitivity to electrode movement and contact quality. EIT can be useful to applications, where there are conductive contrasts between tissues, fluids, or gasses, such as imaging of cancerous or ischemic tissue or functional monitoring of breathing, blood flow, gastric motility, and neural activity. The past decade has seen clinical application and commercial activity using EIT for ventilation monitoring. Interpretation of EIT-based measures is complex, and this review paper focuses on describing the image interpretation "pathway." We review this pathway, from Tissue Electrical Properties, EIT Electrodes & Hardware, Sensitivity, Image Reconstruction, Image Processing to EIT Measures. The relationship is discussed between the clinically relevant parameters and the reconstructed properties. An overview is given of areas of EIT application and of our perspectives for research and development.