A real-time device for converting Doppler ultrasound audio signals into fluid flow velocity
A real-time device for converting Doppler ultrasound audio signals into fluid flow velocity
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DOI：
10.1152/ajpheart.00713.2009
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发表时间：
2010-05-01
影响因子：
4.8
通讯作者：
Leuenberger, Urs A.
中科院分区：
文献类型：
--
作者：
Herr, Michael D.;Hogeman, Cynthia S.;Leuenberger, Urs A.
HERR MD，Hogeman CS，Koch DW，Krishnan A，Momen A，Leuenberger UA。一种用于将多普勒超声音频信号转换为流体流速的实时装置。Am J Physiol心脏圈Physiol 298：H1626-H1632,2010。2010年2月19日首次出版；doi：10.1152/ajpheart.00713.2009。-开发了一种多普勒信号转换器，以促进心血管和运动生理学研究。该设备直接将来自临床多普勒超声成像系统的音频信号转换为实时模拟信号，准确地表示血流速度，并可由任何标准数据采集系统轻松记录。当与其他感兴趣的生理信号同时记录时，该实时流速信号允许以使用标准多普勒成像设备时不可能的方式观察对实验干预的瞬时流动响应。这种转换后的流速信号还允许在以前分析方法所需时间的一小部分内对数据进行更稳健和更不主观的分析。这种信号转换器以低廉的成本提供这种能力，并且不需要对成像或数据采集系统进行任何修改。
Herr MD, Hogeman CS, Koch DW, Krishnan A, Momen A, Leuenberger UA. A real-time device for converting Doppler ultrasound audio signals into fluid flow velocity. Am J Physiol Heart Circ Physiol 298: H1626-H1632, 2010. First published February 19, 2010; doi: 10.1152/ajpheart.00713.2009.-A Doppler signal converter has been developed to facilitate cardiovascular and exercise physiology research. This device directly converts audio signals from a clinical Doppler ultrasound imaging system into a real-time analog signal that accurately represents blood flow velocity and is easily recorded by any standard data acquisition system. This real-time flow velocity signal, when simultaneously recorded with other physiological signals of interest, permits the observation of transient flow response to experimental interventions in a manner not possible when using standard Doppler imaging devices. This converted flow velocity signal also permits a more robust and less subjective analysis of data in a fraction of the time required by previous analytic methods. This signal converter provides this capability inexpensively and requires no modification of either the imaging or data acquisition system.