A modular hard and software system for the analysis of cardiac signals: application to real time pressure-volume loops

N. Bruining, R. Krams, H. Passchier, S. Meij, P. D. de Feijter, D. Keane
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引用次数: 1

Abstract

There is a growing need for (semi) real time measurement of ventricular function which can be quantified by the left ventricular pressure-volume (P-V) relationship. In the catheterization laboratory left ventricular volume is routinely derived from planimetry of contrast ventriculograms. Ventriculography however does not lend itself to repeated assessment as even 40-60 cc of contrast injection can alter baseline ventricular variables. Non-invasive techniques to quantify ventricular volumes combined with electrical pigtail pressure measurement would eliminate these limitations Such real time volume measurements can be achieved by either Doppler flow measurement or planimetry by 2D echo is used. The authors report on a modular system, which enables continuous integration of these rapidly evolving techniques into the existing environment of the catheterization laboratory for on line generation of P-V loops.<>
一种用于心脏信号分析的模块化硬软件系统:应用于实时压力-容量循环
对心室功能(半)实时测量的需求日益增长,这种测量可以通过左心室压力-容积(P-V)关系来量化。在导管室里,左心室容积通常是通过心室造影术的平面测量得出的。然而,心室造影不适合重复评估,因为即使40- 60cc的造影剂注射也可以改变基线心室变量。结合电尾压测量来量化心室容积的无创技术将消除这些限制,这种实时容积测量可以通过多普勒血流测量或二维回波平面测量来实现。作者报告了一个模块化系统,该系统能够将这些快速发展的技术持续集成到导管实验室的现有环境中,以在线生成P-V回路
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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