Clinical Study of Strain and Strain Rate on the Evaluation of Left Ventricular Function for Patients with Different Geometric Patterns of Hypertension_West China Medical Journal

Authors：

FAN Ying ¹ , WU Changxue ² , GAO Yuli ¹

1 Department of Echocardiography Affiliated Hospital of Luzhou Medical College;2 Department of Thoracic and Cardiovascular Surgery, Affiliated Hospital of Luzhou Medical College, Luzhou Sichuan 646000,China;

Corresponding author：

Keywords：

应变应变率; 高血压; 左室重构; 心功能

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目的:应用应变率探讨不同左心室构型的原发性高血压患者左心室长轴方向应变－应变率成像的变化,及其与EF、FS及二尖瓣血流测量评价左室功能的对照研究。方法:采用M型、二维、多普勒超声及应变率成像技术,测量左室室壁厚度、左室内径、EF、FS,二尖瓣血流频谱E、A及左室平均应变ε,应变率S、e、a。结果:高血压离心性肥厚组EF、FS明显低于对照组,高血压其余各组EF、FS与对照组无统计学差异;收缩期应变率S应变ε在五组间差异均有显著性意义:高血压各组较正常对照组减小(I--Ⅴ呈递减);舒张期应变率e减低、a增高,e/a比值减小,各组间存在统计学差异(P lt;0.05); E/A,e/a结果大体一致。结论:应变率成像为临床提供了一个敏感、简便、可靠的评价原发性高血压患者左室心肌功能的指标。

Citation： FAN Ying,WU Changxue,GAO Yuli. Clinical Study of Strain and Strain Rate on the Evaluation of Left Ventricular Function for Patients with Different Geometric Patterns of Hypertension. West China Medical Journal, 2009, 24(8): 2011-2014. doi: Copy

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1. EVA G. Left ventricular sructure in different types of chronic pressure overload.Eur[J]. Heart J Suppl., 2008, 10(pp): E23- E30.
2. GANAU A, DEVEREUX R B, ROMAN M J, et al. Patterns of left ventricular hypertrophy and geometric remodeling in essential hypertension[J]. J Am Coll Cardiol, 1992,19(7):1550–1558.
3. RAMZI Y KHAMIS and JAMIL MAYET. Echocardiographic assessment of left ventricular hypertrophy in elite athletes[J]. Heart, 2008, 94(10): 1254 – 1255.
4. EVA G, DANA C, GIOVANNI S,et al. Impact of left ventricular geometry on prognosis in hypertensive patients with left ventricular hypertrophy (the LIFE study)[J].Eur J Echocardiogr, 2008, 9(6):809-815.
5. GERALD D B, MANUEL C, MORTEZA G, et al. Sructure/function interface with sequential shortening of basal and apical components of the myocardial band[J]. Eur J Cardiothorac Surg, 2006, 29(Suppl 1): S75- S97.
6. SIMONE G, KITZMAN D W, CHINALI M, et al. Left ventricular concentric geometry is associated with impaired relaxation in hypertension: the HyperGEN study[J]. Eur. Heart J, 2005, 26(10): 1039 -1045.
7. WANG J W, DIRAR S K, VINAY T, et al. Global Diastolic Strain Rate for the Assessment of Left Ventricular Relaxation and Filling Pressures[J]. Circulation, 2007, 115(11): 1376 -1383.

West China Medical Journal

Clinical Study of Strain and Strain Rate on the Evaluation of Left Ventricular Function for Patients with Different Geometric Patterns of Hypertension

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