NDLI: A study evaluating of the dependence of the clinical usefulness on the use of a half-time acquisition factor in a multiple-gated blood-pool (MUGA) scan using Tc-99 m

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A study evaluating of the dependence of the clinical usefulness on the use of a half-time acquisition factor in a multiple-gated blood-pool (MUGA) scan using Tc-99 m

Content Provider	Springer Nature Link
Author	Chung, Woon Kwan Lee, Dong Hun Cho, Jae Hwan Park, Yong Soon Dong, Kyung Rae Yeo, Hwa Yeon Kim, Ho Sung Jung, Woo Young
Copyright Year	2012
Abstract	This study evaluated the clinical usefulness of reducing the scan time based on a comparative analysis of the left ventricular cardiac ejection fraction of a full-time image in a gated cardiac blood-pool scan by using the half-time image obtained by applying an image processing technique and using the results from a blind test conducted by radiologists. Fifty patients who underwent a multiple-gated blood-pool (MUGA) scan at the Nuclear Medicine Department of ASAN Medical Center from June 20 to August 14, 2011 were enrolled in this study. Images of the left anterior oblique (LAO) view were obtained continuously in full time (6,000 kcts) and half time (3,000 kcts) in the same posture. The obtained images were used to calculate the left ventricular cardiac ejection fraction 10 times in the full-time image, the half-time image obtained without applying an image processing technique, and the half-time image obtained by applying an image processing technique. To evaluate the cardiac ejection fraction under the same conditions, we set the regions of interest (ROIs) of the left ventricle and the background radioactivity to be the automated ROIs on the same X and Y axes. According to the results of quantitative analyses of the cardiac ejection fraction, the mean ± standard deviation value for the full-time image, the half-time image obtained without applying an image processing technique, and the half-time images obtained by applying an image processing technique were 69.1 ± 7.6%, 68.2 ± 8.4%, and 68.7 ± 8.0%, respectively. The cardiac ejection fraction did not show any significant difference (p > 0.05). For a qualitative analysis, a blinding test was conducted with two radiologists. According to the test results, when the examination was conducted for cardiac wall motion of the left ventricle, no difference was found between the full-time and half-time images obtained by applying an image processing technique.
Starting Page	2054
Ending Page	2059
Page Count	6
File Format	PDF
ISSN	03744884
Journal	Journal of the Korean Physical Society
Volume Number	61
Issue Number	12
e-ISSN	19768524
Language	English
Publisher	The Korean Physical Society
Publisher Date	2013-01-03
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Theoretical, Mathematical and Computational Physics Half-time image Full-time image MUGA scan Left ventricular cardiac ejection fraction Physics Particle and Nuclear Physics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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Automatic determination of left ventricular ejection fraction from gated blood-pool tomography.

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A study evaluating of the dependence of the clinical usefulness on the use of a half-time acquisition factor in a multiple-gated blood-pool (MUGA) scan using Tc-99 m

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A study evaluating of the dependence of the clinical usefulness on the use of a half-time acquisition factor in a multiple-gated blood-pool (MUGA) scan using Tc-99 m