Measurements of Mitral Annular Displacement in 2D Echocardiography Images

Faten A. Dawood; Rahmita W. Rahmat; Suhaini B. Kadiman; Lili N. Abdullah; Mohd D. Zamrin

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Measurements of Mitral Annular Displacement in 2D Echocardiography Images

机译：二维超声心动图图像中二尖瓣环位移的测量

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Mitral Annular Displacement (MAD) in echocardiography has been described as a variation in mitral annulus position between the end-diastolic and the end-systolic in a complete cardiac cycle. It could be used as a rapid and reproducible method of determining the LV global systolic function and could be an easily detectable index for wall motion abnormalities. In this study, a computational method of MAD was implemented based on the mitral annulus motion tracking at both sides; namely the lateral side and the septal side using 2D-Echocardiographic (2DE) datasets. This method comprises three main processing stages: 2DE dataset preparation, Region Of Interest (ROI) selection and MAD measurements. For each 2DE dataset, MAD was computed as the movement distance toward the LV apex at both sides individually in two-consecutive frames using the 'Euclidian distance' method. Then, the maximum displacement occurs during a complete cardiac cycle was measured in millimetres (mm) for each side. The overall datasets used are 178 original 2D-echocardiography images in 4-chamber view. The experimental results for MAD measurements were compared with results that obtained by TMQ Advanced technique using QLAB software. The comparative analysis was done qualitatively by visual observation of two expert and the comparison scores show that the proposed method of MAD measurements has high acceptability of 85%. Furthermore, the quantitative analysis of the MAD method is comparable with TMAD measurements by QLAB and there is no significant differences in displacement measurements.

机译：超声心动图中的二尖瓣环位移（MAD）已被描述为在整个心动周期中，舒张末期和收缩末期之间的二尖瓣环位置变化。它可以用作确定LV总体收缩功能的一种快速且可重现的方法，并且可以作为壁运动异常的易于检测的指标。在这项研究中，MAD的计算方法是基于两侧的二尖瓣环运动跟踪来实现的。即使用2D超声心动图（2DE）数据集的外侧和隔侧。该方法包括三个主要处理阶段：2DE数据集准备，关注区域（ROI）选择和MAD测量。对于每个2DE数据集，使用“欧氏距离”方法在两个连续的帧中分别将MAD计算为朝着LV顶点两侧的移动距离。然后，以毫米（mm）为单位测量整个心动周期期间发生的最大位移。使用的整体数据集是4腔视图中的178张原始2D超声心动图图像。将MAD测量的实验结果与使用QLAB软件通过TMQ Advanced技术获得的结果进行了比较。通过两位专家的目测定性进行了比较分析，比较分数表明，所提出的MAD测量方法具有85％的高可接受性。此外，MAD方法的定量分析与QLAB的TMAD测量结果相当，并且位移测量结果没有显着差异。

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《American journal of applied sciences》 |2015年第5期|295-303|共9页
作者
Faten A. Dawood; Rahmita W. Rahmat; Suhaini B. Kadiman; Lili N. Abdullah; Mohd D. Zamrin;
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Department of Computer Science, College of Science, University of Baghdad, Iraq,Department of Multimedia, Faculty of Computer Science and Information Technology, UPM, 43400 Selangor, Malaysia;

Department of Multimedia, Faculty of Computer Science and Information Technology, UPM, 43400 Selangor, Malaysia;

Department of Anaesthesiology, Institute Jantung Negara IJN hospital, Jalan Tun Razak 50400 Kuala Lumpur, Malaysia;

Department of Multimedia, Faculty of Computer Science and Information Technology, UPM, 43400 Selangor, Malaysia;

Department of Surgery, Heart and Lung Centre HUKM, National University of Malaysia, 56000 Cheras, Malaysia;

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正文语种 eng
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关键词
LV Systolic Function; Displacement Measurements; QLAB Software; Statistical Analysis; Mitral Annulus;

机译：左室收缩功能;位移测量;QLAB软件;统计分析;二尖瓣环;

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1. Measurements of Mitral Annular Displacement in 2D Echocardiography Images | Science Publications [J] . Faten A. Dawood, Lili N. Abdullah, Mohd D. Zamrin, American journal of applied sciences . 2015,第5期

机译：二维超声心动图图像中二尖瓣环位移的测量科学出版物
2. Mitral annular velocity measurement with cardiac magnetic resonance imaging using a novel annular tracking algorithm: Validation against echocardiography [J] . Thavendiranathan Paaladinesh, Guetter Christoph, da Silveira Juliana Serafim, Magnetic resonance imaging: An International journal of basic research and clinical applications . 2019,第期

机译：二尖瓣环速度测量，采用新型环状跟踪算法，具有心脏磁共振成像：对超声心动图的验证
3. Mitral annular velocity measurement with cardiac magnetic resonance imaging using a novel annular tracking algorithm: Validation against echocardiography [J] . Thavendiranathan Paaladinesh, Guetter Christoph, da Silveira Juliana Serafim, Magnetic resonance imaging: An International journal of basic research and clinical applications . 2019,第期

机译：二尖瓣环速度测量，采用新型环状跟踪算法，具有心脏磁共振成像：对超声心动图的验证
4. A Novel System for the Assessment of Mitral Annular Geometry and Analysis of 3D Motion of the Mitral Annulus from 3D Echocardiography [C] . G. Saracino, M. Daimon, N. L. Greenberg, Computers in Cardiology . 2004

机译：三尖瓣环形几何形状评估的新系统及三联星形造影二尖瓣环比的分析
5. 3D Reconstruction of Left Ventricle with Mitral and Aortic Valves from Multiple Axis 2D Echocardiography at Standard Cross Sections and Flow Simulations [D] . Patel, Tatsat Rajendra. 2018

机译：多轴2D超声心动图在标准横截面上用二尖瓣和主动脉瓣进行左心室3D重建和血流模拟
6. Mitral valve annular velocity measurements derived from cine MRI: validation against Doppler echocardiography [O] . Christoph Guetter, Paaladinesh Thavendiranathan, Marie-Pierre Jolly, 2012

机译：来自电影MRI的二尖瓣环速度测量结果：针对多普勒超声心动图的验证
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Measurements of Mitral Annular Displacement in 2D Echocardiography Images

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