ISSN 1671-5411 CN 11-5329/R
Chee Khoon LIEW, Tiong Kiam ONG, Sze Piaw CHIN, Yean Yip FONG, Wei Ling CHAN, Choon Kiat ANG, Houng Bang LIEW, Kui Hian SIM, Rapaee ANNUAR, Tobias Seyfarth. Assessment of left ventricular ejection fraction: comparison of two dimensional echocardiography, cardiac magnetic resonance imaging and 64-row multi-detector computed tomography. J Geriatr Cardiol 2006; 3(1): 2-8.
Citation: Chee Khoon LIEW, Tiong Kiam ONG, Sze Piaw CHIN, Yean Yip FONG, Wei Ling CHAN, Choon Kiat ANG, Houng Bang LIEW, Kui Hian SIM, Rapaee ANNUAR, Tobias Seyfarth. Assessment of left ventricular ejection fraction: comparison of two dimensional echocardiography, cardiac magnetic resonance imaging and 64-row multi-detector computed tomography. J Geriatr Cardiol 2006; 3(1): 2-8.

Assessment of left ventricular ejection fraction: comparison of two dimensional echocardiography, cardiac magnetic resonance imaging and 64-row multi-detector computed tomography

  • Publish Date: 2006-03-28
  • Objectives To compare left ventricular ejection fraction (LVEF) determined from 64-row multi-detector computed tomography (64-row MDCT) with those determined from two dimensional echocardiography (2D echo) and cardiac magnetic resonance imaging (CMR). Methods Thirty-two patients with coronary artery disease underwent trans-thoracic 2D echo, CMR and contrast-enhanced 64-row MDCT for assessment of LVEF within 48 hours of each other. 64-row MDCT LVEF was derived using the Syngo Circulation software, CMR LVEF was by Area Length Ejection Fraction (ALEF) and Simpson method and 2D echo LVEF by Simpson method. Results The LVEF was 49.13 ± 15.91% by 2D echo, 50.72 ± 16.55% (ALEF method) and 47.65 ± 16.58%(Simpson method) by CMR and 50.00 ± 15.93% by 64-row MDCT. LVEF measurements by 64-row MDCT correlated well with LVEF measured with CMR using either the ALEF method (Pearson correlation r = 0.94, P <0.01) or Simpson method (r = 0.92, P<0.01). It also correlated well with LVEF measured using 2D echo (r = 0.80, P < 0.01). Conclusion LVEF measurements by 64-row MDCT correlated well with LVEF measured by CMR and 2D echo. The correlation between 64-row MDCT and CMR was better than the correlation between 2D echo with CMR. Standard data set from a 64-row MDCT coronary study can be reliably used to calculate the LVEF.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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