Feasibility of real-time triplane strain rate imaging for quantitative assessment of left atrial function in normal subjects
- VernacularTitle:实时三平面应变率成像定量评价正常人左心房功能的可行性
- Author:
Hui SUN
;
Zhibin WANG
;
Jing NIE
;
Yan LI
;
Xiuxiu FU
- Publication Type:Journal Article
- Keywords:
Real-time triplane strain rate imaging;
Atrial function,left;
Normal subjects
- From:
Chinese Journal of Medical Imaging Technology
2010;26(1):69-71
- CountryChina
- Language:Chinese
-
Abstract:
Objective To evaluate the feasibility of real-time triplane strain rate imaging for the quantitative assessment of left atrial function in normal subjects. Methods Totally 40 healthy volunteers were enrolled. Left atrial expansion index (LAEI), left atrial passive emptying fraction (LAPEF) and left atrial active emptying fraction (LAAEF) were measured using real-time triplane volume analysis. Mean systolic peak strain rate (MSRs), mean early diastolic peak strain rate (MSRe) and mean late diastolic peak strain rate (MSRa) were measured using real-time triplane strain rate imaging. The results were compared respectively. Results MSRs correlated positively with LAEI (r=0.61, P<0.01). MSRe correlated inversely with LAPEF (r=-0.67, P<0.01), so did MSRa with LAAEF (r=-0.78, P<0.01). Conclusion Real-time triplane strain rate imaging is feasible for the quantification of left atrial function in normal subjects.
