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Doppler tissue velocity imaging of tricuspid annulus in healthy p. 正常人三尖瓣環(huán)組織多普勒速度成像。
Background and objectivesStrain rate imaging (SRI) or strain imaging (SI) is a new assessment of regional myocardial wall deformation based on Doppler tissue velocity imaging (TVI). 應變率成像(SRI)與應變成像(SI)是在多普勒組織速度成像(TVI)基礎上發(fā)展起來(lái)的以心肌形變?yōu)檠芯繉ο蟮某曅录夹g(shù)。
Gulati VK,Katz WE,Follansbee WP,et al.Quantitative assessment of myocardial tissue velocities in normal children with Doppler tissue imaging.Am J cardiol,1996,77(4):1254. 張連仲;謝明星;范閩延;等.;多普勒組織成像評價(jià)擴張型心肌病患者右心室收縮功能
Assessment of left ventricular function by Doppler tissue velocity and strain rate in normal rabbits 組織運動(dòng)速度及應變率評價(jià)正常家兔左室功能的實(shí)驗研究
Objective Lateral wall velocity of mitral annulus and in infarctive region on patients with myocardial infarction were determined with Doppler tissue imaging(DTI), to study the available value of DTI on myocardial infarction. 目的運用多普勒組織成像 (DTI)技術(shù) ,對心肌梗死患者梗死區域、二尖瓣環(huán)處的運動(dòng)速度進(jìn)行檢測 ,探討DTI技術(shù)在心肌梗死中的應用價(jià)值。
Background and objective: Hie technique of Doppler tissue imaging (DTl) can provide the real-time information of the direction and velocity of regional wall motion, which gives us a new method for quantitative analysis of myocardial function. 背景和目的：多普勒組織成像（DTI）技術(shù)可實(shí)時(shí)顯示局部心肌的運動(dòng)方向和速度，為定量分析心肌功能提供了方便準確的新方法。
Methods The early and late diastolic peak velocity of the mitral annulus(Em and Am)and the ratio(Em/Am)were measured by Doppler tissue imaging(DTI)and compared before and after 3 months treatment with oral valsartan. 方法應用多普勒組織成像(DTI)技術(shù)測定二尖瓣環(huán)舒張早、晚期峰值運動(dòng)速度(Em和Am)及其比值(Em/Am),比較向心性重構型原發(fā)性高血壓左室整體舒張功能減退患者口服纈沙坦3個(gè)月前后Em、Am以及Em/Am的變化。
Objection: To assess ischemic myocardium area by tissue velocity imaging(TVI). 目的:探討組織速度顯像技術(shù)(TVI)對心肌缺血面積的估測作用。
Is Doppler tissue imaging dependent on preload in evaluating left ventricular diastolic function? 脈沖多普勒組織成像技術(shù)評價(jià)左室舒張功能與前負荷的依賴(lài)關(guān)系?
Objective To evaluate the reliability of tissue velocity imaging (TVI) in quantitatively assess-ing left ventricular segmental wall function. 目的探討組織速度顯像 (TVI)技術(shù)評價(jià)左室節段性室壁運動(dòng)的可靠性。
Objective To study the features of abnormal left ventricular diastolic function in ischemic myocardium by DTI (Doppler Tissue Imaging). 目的利用DTI技術(shù)研究缺血心肌左室舒張功能損傷特征。
Objective: to determine clinical value of pulsed wave Doppler tissue imaging(PW-DTI)in evaluating aortic elasticity in coronary heart disease. 目的：探討脈沖波多普勒組織成像(PW-DTI)在評價(jià)冠心病患者主動(dòng)脈彈性時(shí)的應用價(jià)值。
Doppler tissue imaging (DTI) and anatomic M-mode imaging were two new echocardiography techniques developed in the 1990s. 組織多普勒技術(shù)(Doppler tissue imaging，DTI)及全方位M型技術(shù)就是20世紀90年代以后發(fā)展起來(lái)的分析心肌運動(dòng)的超聲心動(dòng)圖新技術(shù)。
Objective:To assess the feasibility and accuracy of electrical depolarization in patients with bundle branch block(BBB)by Doppler tissue imaging(DTI). 目的：擬在探討DTI技術(shù)評價(jià)束支傳導阻滯患者的心室肌電除極狀態(tài)的準確性。
Objective To investigate the characteristics of mitral annular motion in nomal subjects using doppler tissue imging(DTI). 目的應用多普勒組織成像技術(shù)(DTI)探查正常人二尖瓣環(huán)的運動(dòng)，以闡明二尖瓣環(huán)運動(dòng)的特征。
The peak A velocity(VA), velocity time integral of A-wave(A-VTI), atrial ejection force(AEF) and peak atrial tissue velocity(Va) decreased in day 1 after cardioversion, but gradually recovered with time. 房顫患者除顫后 2 4小時(shí)VA、A -VTI、AEF和Va明顯低于正常 ,隨時(shí)間推移逐漸增高 ,至除顫后 7天時(shí)基本恢復至正常水平。
Objective To evaluate the global left ventricular systolic function in type 2 diabetic nephropathy(2-DN) patients in various stages using quantitative tissue velocity imaging(QTVI) and tissue tracking(TT). 目的應用定量組織速度成像技術(shù)(QTVI)及組織追蹤法(TT)研究不同階段2型糖尿病腎病(2-DN)患者的左室整體收縮功能,尋求左室整體收縮功能損害的早期診斷指標。
Objective To evaluate the value of Doppler tissue imaging(DTI)combining Dobutamine stress echocardiography(DSE)in detecting chronic hibernating myocardium(CHM). 目的評價(jià)多普勒組織成像技術(shù)結合多巴酚丁胺超聲負荷試驗 (DTI -DSE)檢出慢性冬眠心肌 (CHM )的價(jià)值。
Objective:To investigate the value of Doppler tissue imaging(DTI)in assessing wall motions of swine by observe the changes of velocities of wall motion in different status. 目的 :利用多普勒組織顯像技術(shù) (DTI)評價(jià)家豬在制備急性冬眠心肌 (AHM)模型前后室壁運動(dòng)的變化情況 ,分析 DTI技術(shù)評價(jià)室壁運動(dòng)的價(jià)值。
To assess the value of quantitative tissue velocity imaging (QTVI), strain and strain rate imaging (SRI) combined with DMSE in detecting miniswine and patients with chronic coronary artery disease. 探討定量組織速度成像(QTVI)、應變與應變率成像在DMSE檢測慢性冠狀動(dòng)脈狹窄中的應用價(jià)值。