Title: Assessment of left ventricular myocardial function using 64-slice CT: comparison with MRI
Abstract: Objective To assess functional parameters of left ventricle with 64-slice CT (MSCT) and the results were compared with MRI. Methods End-diastolic-volume (EDV), end-systolic-volume (ESV), stroke-volume (SV), ejection-fraction (EF), and myocardial mass (MM) were calculated based on CT data sets from 20 patients scheduled for noninvasive MSCT angiography of the coronaries suspected coronary artery disease (CAD). The results from MSCT were compared with MRI. Results There was no significant difference among the measurements for MSCT and MRI of the ventricular function parameters. A strong correlation between MSCT and MRI (r=0.72-0.92) was found for all parameters. However, EDV, ESV, SV, and MM were overestimated with MSCT compared to MRI, while EF was underestimated in MSCT. Conclusion A strong correlation between MSCT and MRI was found for all parameters. ECG-gated MSCT angiography of the heart is noninvasive assessment of the coronary tree, whereas the analysis of left ventricular parameters provides additional information of cardiac function without further radiation exposure or scan time.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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