Evaluation of right ventricular systolic function by tricuspid annular displacement
10.3760/cma.j.issn.1008-1372.2011.02.014
- VernacularTitle:三尖瓣环位移评价右室收缩功能的价值探讨
- Author:
Jinli LI
;
Weiyuan SHI
;
Binhua DENG
- Publication Type:Journal Article
- Keywords:
Tricuspid valve;
Echocardiography,doppler,color;
Ventricular function,right;
Myocardial contraction
- From:
Journal of Chinese Physician
2011;13(2):191-193
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore the value of tricuspid annular displacement (TAD) in evaluating right ventricular systolic function by speckle tracking imaging.Methods Forty healthy people (RVEF ＞50%) and forty five patients(RVEF ＜50%)were enrolled in this study.The apical four-chamber view was obtained and tricuspid annular midpoint displacement (TADmid) were measured by speckle tracking imaging.Right ventricular ejection fraction (RVEF) was measured by three-dimensional echocardiography.The correlation of tricuspid annular midpoint displacement (TADmid) and right ventricular ejection fraction (RVEF) was analyzed.Results These was statistical significance of tricuspid annular midpoint displacement between healthy people (RVEF ＞ 50%) and patients (RVEF ＜ 50%) (t = 7.28,P ＜ 0.01).There was positive correlation between TADmid and RVEF (P ＜ 0.01).The correlation coefficient between TADmid and RVEF was 0.76 (P ＜ 0.0l).The cut-off value of TADmid for RVEF ＞ 50% was 9.7 with a sensitivity of 72% and a specificity of 86%.Conclusions TAD by speckle tracking imaging showed an excellent correlation with RVEF.Tricuspid annular displacement by speckle tracking imaging was a simple and easy method,and it might be a new index in assessing right ventricular systolic function in clinical practice.
