基于自组织图的冠状动脉灌注拓扑模型

G. Coppini, E. Tamburini, A. L'Abbate, G. Valli
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引用次数: 3

摘要

提出了一种基于自组织映射理论的冠状动脉灌注拓扑模型。该模型是基于关于动脉网络空间组织的基本机制的一般物理假设。在这些假设的基础上,作者得到了一个代价函数,其优化导致模型参数的计算。应用于x线冠状动脉造影术描述,特别注意的是评估区域潜在灌注的每条血管。此外,为了考虑心脏血管树对病理条件(如血管腔减少)的潜在适应,分析了所提出模型的自适应能力。本文描述了临床数据的初步结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A model of the topology of coronary perfusion based on self-organizing maps
A model of the topology of coronary perfusion based on the theory of self-organizing maps is proposed. The model is based on general physical assumptions about the basic mechanisms of the spatial organization of arterial networks. On the basis of such assumptions the authors obtain a cost functional whose optimization leads to the computation of model parameters. Application to X-ray coronary angiography is described, a particular attention being paid to the assessment of the regions potentially perfused by each vessel. Moreover, in order to account for the potential adaptation of the heart vascular tree to pathological conditions such as vessel lumen reduction, the self-adaptation capabilities of the proposed model are analyzed. Preliminary results from clinical data are described.
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