Application of Real-time Three-dimensional Transesophageal Echocardiography in Evaluating Cardiac Function of Patients with NVAF-MR

doi:10.7517/issn.1674-0475.200327

Abstract

Abstract: The purpose of this paper is to evaluate the cardiac function of nonvalvular atrial fibrillation and mitral reflux (NVAF-MR) patients with the real-time three-dimensional transesophageal echocardiography (RT-3d-TEE). 40 NVAF-MR patients and 40 healthy individuals were selected as the observation group and the control group. Patients in both groups received RT-3d-TEE examination. The results showed that left atrial diameter(LAD), anterolateral-posteromedial annulus diameter (DAlPm), three dimensional circumference(C3D), two dimensional area(A2D) and nonplanarity angle(NPA) in the observation group were significantly higher than those in the control group (P<0.05). The valvular height and coaptation index were significantly lower than those in the control group (P<0.05). 838 The logistics regression analysis showed that LAD, DAlPm, A2D and coaptation index were correlated with NVAF-MR. The ROC curve analysis showed that LAD and coaptation index had highly sensibility and specificity in the diagnosis of NVAF-MR patients. Therefore, it is believed that RT-3d-TEE technology can accurately assess the mitral valve function of patients, and the diagnosis of those patients with LAD and coaptation index has higher sensitivity and specificity. A2D, DAlPm may be correlated with mitral regurgitation in NVAF patients.

Key words: real-time three-dimensional transesophageal echocardiography, non-valvular atrial fibrillation, mitral regurgitation, quantitative analysis

LEI Ming, JIAO Linyang, DAI Hanxing. Application of Real-time Three-dimensional Transesophageal Echocardiography in Evaluating Cardiac Function of Patients with NVAF-MR[J]. Imaging Science and Photochemistry, 2020, 38(5): 838-843.

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