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Application of dual source computed tomography in the assessment of left ventricular function for complex congenital heart disease with diminished pulmonary blood flow

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13 Author(s)
Shan-xing Ou ; Dept. of Radiol., Gen. Hosp. of Guangzhou Mil. Command of PLA, Guangzhou, China ; Li Zhang ; Shu-fei Ou ; Guang-ming Peng
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This study was to investigate the diagnosis of DSCT pre-operation about the left ventricular function in complex congenital heart disease with diminished pulmonary blood flow in comparison of 2D-echocardiography. 50 patients scheduled for operation because of suspected or definited complex congenital heart disease with diminished pulmonary blood flow were examined by DSCT. The images were quantitatively assessed. The ejection fraction (EF) and the fraction shortening (FS) of left ventricular function were obtained and statistically analyzed with that of 2D-echocardiography using Pearson's correlation and t-test analysis. It revealed a strong correlation with DSCT and 2D-echocardiography regarding to the quantification of EF and FS: EF(r=0.825), FS(r=0.718). Statistical analysis revealed little systematic underestimation of EF and FS determined by DSCT compared with 2D-echocardiography. DSCT allows for the accurate assessment of global left ventricular functional parameters disregarding heart rate, it could be a reliable pre-operation evaluation method for the complex congenital heart disease with diminished pulmonary blood flow.

Published in:

Computing in Cardiology, 2011

Date of Conference:

18-21 Sept. 2011