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实时电阻抗断层成像系统对离体心脏充盈模型成像的初步结果(PDF)

《心脏杂志》[ISSN:1009-7236/CN:61-1268/R]

期数:
2003年第1期
页码:
12-14
栏目:
实验研究
出版日期:
2003-01-01

文章信息/Info

Title:
Prelinimary image results of in vitro heart perfusion model by real-time electrical impedance tomograph
作者:
付峰1; 臧益民2; 董秀珍1; 尤富生1; 王跃民2; 刘锐岗1; 史学涛1
第四军医大学:1.生物医学工程系,2.生理学教研室,陕西 西安710032
Author(s):
FU Feng1; ZANGYi-min2; DONG Xiu-zhen1; YOU Fu-sheng1; WANG Yue-min2; LIU Ruigang1; SHI Xue-tao1
1.Department of Biomedical Engineering,2.Department of Physiology,Fourth Military Medical University,Xi'an,Shaanxi710032,China
关键词:
电阻抗断层成像; 心血管系统成像
Keywords:
electrical impedance tomography; cardiovascular imaging
分类号:
R318.6
DOI:
-
文献标识码:
A
摘要:
目的:探讨电阻抗断层成像技术(EIT)在心血管系统成像中的潜在应用价值,同时通过对离体动物器官的成像实验改进已有的成像实验系统。方法:用自行设计的实时电阻抗断层成像系统,对离体动物心脏充盈模型进行EIT的实验。结果:EIT图像对离体心脏充盈模型中各腔室的电阻抗分布的变化敏感。结论:EIT在心血管系统中有应用前景。
Abstract:
AIM: To investigate the possibility of the electrical impedance tomography(EIT) used in cardiovascular imaging,and assessing and improving the imaging system.METHODS:Heart perfusion model in vitro was used to be imaged by the real-time EIT developed by us.RESULTS:EIT images exhibited sensitivity to variation of resistivity distribution of the heart perfusion model.CONCLUSION:EIT imaging technique can be widely needed in cardiovascular diagnosis.

参考文献/References

[1] 董秀珍, 秦明新, 付峰, 等. 生物电阻抗断层成像技术的研究进展 [J] , 第四军医大学学报, 1999, 20(3):252-255.

[2] Jennifer LM, Samuli S, David I, A direct reconstruction algorithm for electrical impedance tomography [J] . IEEE Trans Med Imaging, 2002, 21(6):553-559

[3] Scharfetter H, Riu P, Populo M, et al. Sensitivity maps for low-contrast perturbations within conducting background in magnetic induction tomography [J] . Physiol Meas, 2002, 23(1):195-202.

[4] Wheeler JL, Wang W, Tang M. A comparison of methods for measurement of spatial resolution in two-dimensional circular EIT images [J] . Physiol Meas, 2002; 23(1):169-176.

[5] 付峰, 臧益民, 董秀珍. 心血管成像技术的现状及展望 [J] . 心脏杂志, 2000, 12(1):47-49

备注/Memo

备注/Memo:
收稿日期：2002-08-02.
更新日期/Last Update: 2003-01-01