Value of omni-directional M-mode echocardiography in the evaluation of left ventricular systolic function in patients with premature ventricular beat from right ventricular outflow tract
LAI Baochun1 GUO Wei1▲ WANG Xinkang2 YE Zhensheng1
1.Department of Ultrasonography, Provincial Clinical College of Medicine, Fujian Medical University Fujian Provincial Hospital, Fujian Province, Fuzhou 350001, China;
2.Department of Electrocardiology, Provincial Clinical College of Medicine, Fujian Medical University Fujian Provincial Hospital, Fujian Province, Fuzhou 350001, China
Abstract：Objective To evaluate the application value of omni-directional M-mode echocardiography in the evaluation of systolic function of left ventricular in patients with premature ventricular beat (PVB) from right ventricular outflow tract (RVOT). Methods From November 2015 to November 2018, 45 patients with PVB from RVOT admitted to Fujian Provincial Hospital were selected as the experimental group and 45 healthy people were selected as the control group. The peak myocardial systolic velocities were measured by OME at 6 sites of mitral annular during sinus rhythm and PVB beats respectively. Results At the normal sinus beat, the peak myocardial systolic velocities of mitral annular in the left ventricular anterior, lateral, and posterior segments of the experimental group in normal sinus rhythm were significantly decreased than those of the control group, the differences were statistically significant (P < 0.05). In the experimental group, the peak myocardial systolic velocities of mitral annular of all sites of in PVB were lower than those in the normal sinus rhythm, the differences were highly statistically significant (P < 0.01). Conclusion The peak myocardial systolic velocities can effectively evaluate the changes of left ventricular systolic function of the patients with PVB from RVOT.
赖宝春1 郭薇1▲ 王新康2 叶振盛1. 全方向M型超声心动图评价右心室流出道起源室性早搏患者左心室收缩功能的价值[J]. 中国医药导报, 2019, 16(22): 150-154.
LAI Baochun1 GUO Wei1▲ WANG Xinkang2 YE Zhensheng1. Value of omni-directional M-mode echocardiography in the evaluation of left ventricular systolic function in patients with premature ventricular beat from right ventricular outflow tract. 中国医药导报, 2019, 16(22): 150-154.
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2019, Vol. 16 
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