目的 探讨速度向量成像技术评价高血压患者左心室舒张功能的可行性。
方法 选取2013年1月－12月原发性高血压患者65例和健康对照41例，应用脉冲多普勒测量二尖瓣口舒张早期血流频谱（E峰）、二尖瓣口舒张晚期血流频谱（A峰），应用速度向量成像技术测量二尖瓣环侧壁舒张早期运动速度（Ve）、二尖瓣环侧壁舒张晚期运动速度（Va），并计算E/A、Ve/Va以及E/Ve，对两组之间的参数进行比较。
结果 高血压组与对照组A分别为79.54±13.43、56.47±10.46，Va分别为6.93±1.46、4.73±0.92，E/Ve分别为12.32±3.72、10.61±2.41，高血压组均大于对照组，差异有统计学意义（P＜0.01）；高血压组与对照组E分别为57.45±13.07、81.39±12.28，E/A分别为0.72±0.10、1.46±0.17，Ve分别为5.90±1.50、9.11±1.03，Ve/Va分别为0.89±0.30、2.00±0.43，高血压组均小于对照组，差异有统计学意义（P＜0.001）。
结论 速度向量成像技术可识别左心室舒张功能异常，有望成为评价左心室舒张功能的新方法；同时，E/Ve也有可能成为一个新的评价左心室舒张功能的指标。
Citation：
朱秀玲, 王均, 苏静, 王玉红. 速度向量成像技术对高血压患者左心室舒张功能的评价. West China Medical Journal, 2015, 30(9): 1699-1700. doi: 10.7507/1002-0179.20150485
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Copyright © the editorial department of West China Medical Journal of West China Medical Publisher. All rights reserved
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胡业深, 章春泉. 速度向量成像技术的临床应用进展[J]. 实用临床医学, 2009, 10(9):135-136, 138.
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- 1. 刘力生. 中国高血压防治指南(2010年修订版)[M]. 北京:人民卫生出版社, 2010:20.
- 2. Poulsen SH, Andersen NH, Ivarsen PI, et al. Doppler tissue imaging reveals systolic dysfunction in patients with hypertension and apparent "isolated" diastolic dysfunction[J]. J Am Societ Echocardiogr, 2003, 16(7):724-731.
- 3. Vannan MA, Pedrizzetti G, Li P, et al. Effect of cardiac resynchronization therapy on longitudinal and circumferential left ventricular mechanics by velocity vector imaging:description and initial clinical application of a novel method using high-frame rate B-mode echocardiographic images[J]. Echocardiography, 2005, 22(10):826-830.
- 4. Nagueh SF, Middleton KJ, Kopelen HA, et al. Doppler tissue imaging:a noninvasive technique for evaluation of left ventricular relaxation and estimation of filling pressures[J]. J Am Coll Cardiol, 1997, 30(6):1527-1533.
- 5. Ommen SR, Nishimura RA, Appleton CP, et al. Clinical utility of Doppler echocardiography and tissue Doppler imaging in the estimation of left ventricular filling pressures:a comparative simultaneous Doppler-catheterization study[J]. Circulation, 2000, 102(15):1788-1794.
- 6. Paulus WJ, Tschöpe C, Sanderson JE, et al. How to diagnose diastolic heart failure:a consensus statement on the diagnosis of heart failure with normal left ventricular ejection fraction by the Heart Failure and Echocardiography Associations of the European Society of Cardiology[J]. Eur Heart J, 2007, 28(20):2539-2550.
- 7. 胡业深, 章春泉. 速度向量成像技术的临床应用进展[J]. 实用临床医学, 2009, 10(9):135-136, 138.
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