Assessment of right ventricular function in patients with right ventricular overload using real-time three-dimensional echocardiography
10.3760/cma.j.issn.1004-4477.2016.01.002
- VernacularTitle:实时三维超声评估负荷过重患者右心室收缩功能
- Author:
Ting XU
;
Yuwen JIANG
;
Wen ZHU
;
Hui ZHU
;
Guoqian HUANG
;
Yong LI
- Publication Type:Journal Article
- Keywords:
Echocardiography;
real-time three-dimensional;
Ventricular function,right;
Right ventricular overload
- From:
Chinese Journal of Ultrasonography
2016;(1):7-11
- CountryChina
- Language:Chinese
-
Abstract:
Objective To evaluate global and segmental right ventricular ( RV ) systolic functions in patients with excessive volume or pressure load using real‐time three‐dimensional echocardiography ( RT‐3DE) . Methods Forty‐five patients with RV volume overload ,45 patients with RV pressure overload and 45 healthy subjects were underwent RT‐3DE . RV global and segmental ( inflow ,body ,outflow ) end‐diastolic volume (EDV) ,end‐systolic volume (ESV) ,stroke volume (SV) and ejection fraction (EF) were analyzed with TomTec software . The correlations between EF with the three‐dimensional method and two‐dimensional parameters including right ventricle systolic pressure( RVSP) were discussed . Results Global EDV and ESV increased significantly in both patient groups compared with controls ( all P < 0 .05) ,but there was no difference between two patient groups ( P >0 .05) .Compensated increase of SV was found in sixty percent of patients with volume overload but none with pressure overload ( P < 0 .05) . Global EF decreased significantly in both of patient groups (all P <0 .05) ,which was more significant patients with pressure overload ( P < 0 .05 ) . Different patterns of the regional dysfunction were found among the different RV segments . No correlation was found between RVSP and global or segmental EF in patients with pressure overload . Conclusions RT‐3DE could be used to assess global and segmental RV systolic function in patients with pressure and volume overload .
