Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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A Study on Comparison of Cardiac Ejection Fraction Values Measured in Myocardium SPECT and Cine MRI

  • Han, Jung-Seok (Department of Nuclear Medicine, Asan Medical Center) ;
  • Dong, Kyung-Rae (Department of Radiological Technology, Gwangju Health College University) ;
  • Park, Yong-Soon (Department of Radiological Technology, Gwangju Health College University) ;
  • Chung, Woon-Kwan (Department of Nuclear Engineering, Chosun University) ;
  • Cho, Jae-Hwan (Department of International Radiological Science, Hallym University of Graduate Studies) ;
  • Cho, Young-Kuk (Department of Clinical Laboratory Science, Seoyeong University)
  • Received : 2012.07.07
  • Accepted : 2012.09.12
  • Published : 2012.09.30
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Abstract

This study examined the correlation between MR cine and myocardium Single-photon emission computed tomography (SPECT) by comparing the measured cardiac ejection fractions. The usefulness of cardiac MRI was also evaluated. Ten patients (8 men, 2 women and average age of 58.6 years), who underwent a myocardium SPECT scan and cardiac cine MRI scan among patients who visited the hospital for the chief complaint of cardiac disorder from June 1, 2010 to February 10, 2011, were enrolled in this study. The cardiac ejection fraction was calculated from the images obtained in both scans. The data was used to examine the correlation. The regression equation the cardiac ejection fraction values of the 10 patients obtained in myocardium SPECT and MRI cine was Y = 1.12X-8.91 ($R^2$ = 0.78, significance of F = 0.001639, and confidence level of 95%). The results were significant when the cardiac ejection fraction obtained from MRI cine was compared with that obtained from myocardium SPECT. Overall, a cardiac examination using MRI enables an investigation of not only the ejection fraction but also the ED and ES volumes, stroke volume, wall thickness, and wall thickening in a higher spatial resolution despite the examination being conducted once. This examination is believed to be very useful for diagnosing patients with cardiac disease.

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References

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