Diagnosis and Assessment of Tricuspid Regurgitation with Doppler Ultrasound
Diagnosis and Assessment of Tricuspid Regurgitation with Doppler Ultrasound
复制标题
多普勒超声诊断和评估三尖瓣反流
DOI：
10.1007/978-94-009-8299-4_34
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发表时间：
1981
期刊：
影响因子：
--
通讯作者：
L. Hatle
中科院分区：
文献类型：
--
作者：
T. Skjærpe;L. Hatle
通过脉冲和连续波（cw）组合多普勒（Pedof）的多普勒超声无创记录通过三尖瓣的血流速度[1]。当心脏收缩期的反向血流（起源于三尖瓣口）可被追踪回右心房（RA）时，诊断为三尖瓣返流（TR）（图1）。在显著三尖瓣返流的情况下，通过瓣膜的前向血流增加，尝试根据通过瓣膜的前向血流速度、返流束的多普勒信号强度（随着血流增加而增加）和右心房TR的延伸来评估返流程度。根据这些多普勒数据，将患者分为三组，轻度、中度和重度返流。
Velocity of blood flow through the tricuspid valve was recorded noninvasively by Doppler ultrasound with a combined pulsed and continuous wave (cw) Doppler (Pedof) [1]. Tricuspid regurgitation (TR) was diagnosed when reverse flow in systole, originating at the tricuspid orifice, could be followed back into the right atrium (RA) (Figure 1). With significant tricuspid regurgitation, forward flow across the valve increases, and assessment of the degree of regurgitation was attempted from the velocity of forward flow across the valve, the intensity of the Doppler signal from the regurgitant jet (increases with increased flow) and the extension of the TR in the right atrium. From these Doppler data the patients were divided in three groups, mild, moderate and severe regurgitation.