建议在外周血管血流定量检查时,正确选用SV大小,以便减小测量误差。
As quantitative bind now measurement was in peripheral vessels by pulsed Doppler ultrasound, SV size was selected selected for decreasing measurement error.
本文报导了一种超声多普勒血流定量测量新方法,叙述了极小值和准补偿的原理。
A new method for quantitative measurement of blood flow velocity with Doppler ultrasound is presented. The principle of the minima and the quasi-compensation is described.
血流定量检测显示:无论记忆任务还是乙酰唑胺注射,治疗前后局部脑血流的强度无显著差异。
Quantitative blood flow measures showed no difference in the magnitude of regional cerebral blood flow responses pretreatment and posttreatment to either memory tasks or acetazolamide injection.
结论流动液体模型证明磁共振相位对比技术是一种客观、准确的流体定量测量技术,可用于临床血流定量研究。
Conclusion Phase-contrast MR imaging is proved to be an accurate and practical flow measurement technique in flow phantom study and can be used in quantitative study of blood flow clinically.
通过你的血流向大脑输送一定量的尼古丁,这样在避免了烟草带来的副作用的同时满足了你身体对尼古丁的渴望。
By sending a controlled amount of nicotine to your brain via your bloodstream, they satisfy your body's craving without the drawbacks of tobacco.
提出了一种实现血流速度定量、双向检测的简单而且准确的方法。
A simple but accurate method is developed to realized directional and quantitative measurement of blood flow velocity.
目的:探讨心肌声学造影时间-强度曲线(TIC)各项参数定量评价冠脉血流储备(CFR)的可靠性及反映CFR的可靠指标。
Objective:To study on reliability and reliable indexes of quantitative assessment of coronary flow reserve(CFR)by time intensity curve(TIC)with myocardial contrast echocardiography.
结论多层螺旋CT可对肾脏组织血流灌注进行定量分析,但注射流率影响灌注数值。
Conclusion Multi-slice spiral ct can provide quantitative analysis to renal blood perfusion, but injection flow rate influence the perfusion parameters.
目的提出一种新的基于计算机彩色目标分割技术的声像图彩色血流像素定量技术。
Objective Based on a computerized color object segmentation technology, a novel ultrasonogram color flow pels quantitative analysis method is proposed.
用血液动力学描述的动脉血压与血流的定量关系是相当复杂的,而且数学分析也十分困难。
The quantitative relationship between blood pressure and blood stream of arteries, which is delineated by hemodynamics, is rather complex to understand and analyze mathematically.
用血流会聚新方法及射流参数对二尖瓣返流定量的价值进行了研究。
The value of flow convergence and jet parameters in quantification of mitral regurgitation was estimated.
目的:应用放射性微球技术定量检测实验兔不同骨骼和肌肉组织的血流量。
Objective: To quantitatively measure the blood flow of bone and muscle tissue by the radioactive microsphere techniques.
本研究应用彩色多普勒血流会聚新方法评价了对二尖瓣狭窄的定量诊断,并与二维超声、压力降半时间及综合法测量二尖瓣狭窄进行了比较。
The quantification of mitral stenosis by using a new color Doppler flow convergence method was evaluated, and compared with two -dimensional echocardiography, pressure half- time and combined method.
目的应用SPECT脑显像定量测定癫痫局部脑血流量的变化,旨在评价其在致痫灶定位诊断中的意义。
Objective To evaluate the value of brain SPECT imaging for the decrease of regional cerebral blood flow (rCBF) and localization of epileptic foci.
用LSFG值来计算平方模糊率(SBR),这是一个相对血流速度的定量指标。
LSFG values were used to calculate the square blur rate (SBR), which is a quantitative index of relative blood flow velocity.
结论在近端血流会聚角为水平型的主动脉瓣反流患者,血流会聚法能够准确地测量ero,是一种简便、实用的定量主动脉瓣反流程度的新方法。
Conclusions FC method for measuring ERO with feasibility in aortic regurgitation with a flat proximal flow convergence Angle, provides a reliable approach to quantify aortic regurgitation.
结论MSCT的肿瘤灌注成像是一种较为准确的定量分析肿瘤血流灌注状态的方法,具有重要的临床应用价值。
Conclusion Intratumoral perfusion imaging using MSCT is an accurate means for analyzing blood perfusion state in tumors and therefore it has important clinical utility.
结论:涎腺肿瘤的CT灌注成像是一种较为准确的定量分析肿瘤血流灌注状态的方法,具有较高的临床应用价值。
Conclusions: CT perfusion imaging is an accurate means for analyzing blood perfusion state, which may play an important role in the diagnosis of salivary tumors.
目的:用“分数维”彩色血流信号定量法来探讨肾脏内部彩色血流信号与肾脏结构及功能的关系。
Objective: To discuss the relationships of the color Doppler signals and the structures and functions of the kidney by Fractal Dimension.
SPECT肺灌注显像是定性、半定量分析肺血流的简单、方便、有用的方法。
SPECT lung perfusion scanning is a simple, convenient and useful method for assessing pulmonary flow qualitatively and semi-quantitatively.
目的探讨三维彩色血管能量成像(3D-CPA)技术定量评估高血压病肾脏血流灌注改变的临床价值。
Objective To assess the clinical application of three-dimensional color power angiography (3D-CPA) in evaluating renal vascular perfusion in patients with hypertension.
结论分数维定量参数可以准确反映彩色血流信号的丰富程度,该软件的临床应用价值值得进一步研究。
Conclusions Fractal dimensions can reflect the amount of color Doppler signals. The clinical value of this software is worthy of further researches.
磁共振动脉自旋标记灌注成像技术是通过对动脉血作磁标记作为内源性对比剂,对脑组织的血流灌注进行定量测量的磁共振成像技术。
Magnetic resonance perfusion imaging of arterial spin labeling is a technique to quantificationally measure the cerebral blood flow using the labeling arterial blood as a endogenous tracer.
目的:探讨心肌声学造影定量冠脉血流储备及心内膜下心肌灌注的意义。
Purpose: This study was designed to investigate the value of myocardial contrast echocardiography (MCE) for measuring the coronary blood flow reserve and subendocardial perfusion.
结论实时声学造影及GAD能够定量分析冠心病患者心肌血流量情况。
Conclusions Real time contrast echocardiography and GAD can evaluate MBF in patients with CAD correctly and directly.
目的评价静脉心肌声学造影定量评估冠脉微循环血流灌注的可行性。
Objective To evaluate quantitatively perfusion in coronary microcirculation by transvenous myocardial contrast echocardiography(MCE).
重症血流动力学治疗是以血流动力学理论为基础,根据机体的实时状态和反应,目标导向的定量治疗过程。病因治疗是这个过程重要的、不可分割的组成部分。
Critical hemodynamic therapy is a goal-directed, quantitative treatment process based on hemodynamic theories in accordance with the patients real-time status and response to intervention.
EBCT血流扫描,可以提供搭桥血管血流的定量数据,是评价血管三维重建定量诊断的补充;
EBCT flow study can provide quantitative data for evaluating coronary bypass graft patency to provide supplemental diagnosis of CABG 3 D reconstruction.
目的建立定量描述双侧椎动脉血流代偿性的方法。
Objective To establish the method to assess mathematically the compensation of flow in bilateral vertebralartery(BVA).
目的建立定量描述双侧椎动脉血流代偿性的方法。
Objective To establish the method to assess mathematically the compensation of flow in bilateral vertebralartery(BVA).
应用推荐