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：

應變應變率; 高血壓; 左室重構; 心功能

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目的:應用應變率探討不同左心室構型的原發性高血壓患者左心室長軸方向應變－應變率成像的變化,及其與EF、FS及二尖瓣血流測量評價左室功能的對照研究。方法:采用M型、二維、多普勒超聲及應變率成像技術,測量左室室壁厚度、左室內徑、EF、FS,二尖瓣血流頻譜E、A及左室平均應變ε,應變率S、e、a。結果:高血壓離心性肥厚組EF、FS明顯低于對照組,高血壓其余各組EF、FS與對照組無統計學差異;收縮期應變率S應變ε在五組間差異均有顯著性意義:高血壓各組較正常對照組減小(I--Ⅴ呈遞減);舒張期應變率e減低、a增高,e/a比值減小,各組間存在統計學差異(P lt;0.05); E/A,e/a結果大體一致。結論:應變率成像為臨床提供了一個敏感、簡便、可靠的評價原發性高血壓患者左室心肌功能的指標。

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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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.
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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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