Comparison between second-generation dual-source computed tomography angiography with MinDose sequence and echocardio-graphy for preoperative evaluation of aortic stenosis patients
FENG Juan
WANG Xi-ming
JI Xiao-peng
LI Qiao
WANG ZHeng-jun
Abstract：Objective The purpose of this study was to assess and compare coronary artery ,AVAD and LVEF of aortic stenosis patients using MinDose sequence of DSCT and 2D-TTE before operation .Methods Thirty-three patients suspec-ted for aortic valve disease underwent MD-DSCT to observe coronary artery ,AVAD and LVEF .Of MD-DSCT ,the full tube current time window was applied only 10% RR interval ,the minimal tube current (4% ) was used in all other parts of the cardiac cycle .Images were reconstructed at 70% of RR interval and analyzed by using double oblique reconstruction . Results In all 33 patients ,MinDose technique successfully evaluated coronary artery .There was a strong correlation be-tween LVEF-MD-DSCT and LVEF-2D ( r =0 .96 ,P <0 .01) .There was also a strong correlation between AVAD-MD-DSCT and AVAD-2D ( r =0 .91 ,P <0 .01) .The CTDIvol ,DLP ,as well as ED of the experimental group differed sig-nificantly from those of the control group ( P < 0 .01) .Conclusion As an one-stop preoperative evaluation ,MinDose-DSCT can comprehensively reflect the coronary ,AVAD and LVEF of aortic stenosis patients .
Keywords：Dual-source CTAortic stenosisEchocardiographyLeft ventricular function
Publication Date：2014-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 1146-1151 )