Densitometric measurements in coronarographic images for blood flow estimation

H. Goszczynska, P. Bogorodzki, T. Wolak, R. Kurjata, M. Orzechowski
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Abstract

The paper presents the experimental validation of the coronary blood flow measured from coronarographic images. Measurements of the image intensity along the cross-section lines of the artery were performed on two sequences of coronarographic images: one with the standard injection of the contrast and the second one with the small quantity of slowly injected contrast. Experimental validation was performed using a simple artery model. The preliminary results of the flow calculation show that the error is below 19%.
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血流估计用冠状造影图像中的密度测量
本文介绍了用冠状动脉造影图像测量冠状动脉血流的实验验证。在两组冠状造影图像上沿动脉横切线测量图像强度:一组是标准注射造影剂,另一组是少量缓慢注射造影剂。采用简单动脉模型进行实验验证。流量计算的初步结果表明,误差在19%以下。
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