Analysis of dual-Doppler simultaneous technique and asynchronous technique in assessing left ventricular diastolic function in patients with atrial fibrillation
10.3760/cmaj.i.ssn1.004-44772.0150.40.04
- VernacularTitle:双多普勒同步与非同步成像对心房颤动患者左心室舒张功能参数测量的对比分析
- Author:
Ying DENG
;
Zhenzhen WANG
;
Jiawei TIAN
- Publication Type:Journal Article
- Keywords:
Echocardiography,Doppler;
Atrial fibrillation;
Ventricular function,left;
Dual-Doppler technology
- From:
Chinese Journal of Ultrasonography
2015;(4):287-290
- CountryChina
- Language:Chinese
-
Abstract:
Objective To evaluate the value of dual‐Doppler imaging technology (referred to as dual‐Doppler modality for short) in assessing left ventricular diastolic function in patients with atrial fibrillation (AF) and normal left ventricular ejection fraction (LVEF) .Methods A total of 40 patients with AF and normal LVEF were enrolled as the AF group ,and 40 healthy volunteers were composed of the control group .①Peak early diastolic transmitral flow velocity (E) and tissue Doppler lateral (L ) mitral annular early diastolic velocity (e′) were measured simultaneously in the particular cardiac cycle by dual‐Doppler modality .②Peak early diastolic transmitral flow velocity (E) and tissue Doppler septal (S) mitral annular early diastolic velocity (e′) were measured simultaneously in the particular cardiac cycle .③ Peak early diastolic transmitral flow velocity (E) and color M‐mode Doppler flow propagation velocity (Vp) were measured simultaneously in the particular cardiac cycle .Then E/e′(L) ,E/e′(S) and E/Vp were calculated , respectively .Results Compared to the control group ,E/e′(L) ,E/e′(S)and E/Vp were all higher in AF group ( P <0 0.5) .Bland‐Altman showed that E/e′(L) ,E/e′(S)and E/Vp measured by the dual‐Doppler modality had better reproducibility and higher intraclass correlation coefficient (ICC) than the conventional Doppler modality .Conclusions The dual‐Doppler modality is valuable for evaluating left ventricular diastolic function in patients with AF and has better reproducibility and more accurate results than the conventional Doppler modality .
