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- W2389968687 abstract "Objective:To measure the left ventricular ejection fraction (LVEF) at different heart rates (HR) by 64-slice spiral CT angiography,and compared with that of echocardiography,in order to investigate the influence of HR in the measurement of LVEF by 64 spiral CT angiography.Methods:107 patients with suspected or diagnosed coronary artery disease underwent 64-slice spiral CT angiography and echocardiography,end-diastolic volume (EDV)、end-systolic volume (ESV) and LVEF were calculated by using cardiac function analysis software.The results were compared to those obtained by echocardiography.Patients recruited in this study were classified into three groups according to HR:group 1,HR≤65bpm;group 2,HR=66~75bpm;group 3,HR 75bpm.Results:The results of LVEF in 107 patients obtained by 64-slice spiral CT angiography and echocardiography were 0.6963±0.0757 and 0.6998±0.0761 respectively,with good correlation (r=0.962,P0.05).The results of these two modalities also correlated well in evaluating LVEF under the situation of different HRs (r=0.977,0.967 and 0.883 of group A,B and C respectively.P0.05).Conclusion:64-slice spiral CT angiography could be used in the diagnosis of coronary disease and the evaluation of left ventricle function as well." @default.
- W2389968687 created "2016-06-24" @default.
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- W2389968687 date "2009-01-01" @default.
- W2389968687 modified "2023-09-28" @default.
- W2389968687 title "Influence of Heart Rate on Left Ventricular Ejection Fraction Measured Measured by 64-slice Spiral Computed Tomography" @default.
- W2389968687 hasPublicationYear "2009" @default.
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