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KMID : 0861420110150020088
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Korean Journal of Nuclear Medicine Technology
2011 Volume.15 No. 2 p.88 ~ p.93
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The Evaluation of Clinical Usefulness on Application of Myocardial Extract in Quantitative Perfusion SPECT
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Yun Jong-Jun
Im Young-Hyun
Lee Mu-Seok
Song Hyeon-Seok
Jung Ji-Wook
Kim Jae-Hwan
Kim Jung-Uk
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Abstract
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Purpose:As to analytical method of data, the AutoQUANT software in which it is used quantitative rating of the
myocardial perfusion SPECT are reported that there is a difference. Therefore the measured value error of the
mutual program is expected to be generated even if the quantitative analysis is made data of the same patient.
The purpose of this study is to offer the comparative analysis of myocardial extract method in Quantitative
Perfusion SPECT.
Materials and Methods:We analyzed the 51 patients who were examined by Tc-99m MIBI
gated myocardial SPECT in nuclear medicine department of Pusan National University Hospital from June to
December 2010(34 men, 17 women, mean age 66.5±9.9). We acquired the extracted image in myocardial extract
protocol. QPS program that uses the AutoQUANT software measured TID(Transient Ischemic Dilation), ESD(
Extent of Stress Defect), SSS(Summed Stress Score). Then analyzed the results.
Results:The correlation of appyling myocardial extract is TID(r=0.98), ESD(r=0.99), SSS(r=0.99). In the 95% confidence limit, there was no satistically significant difference(TID p=0.78, ESD p=0.31, SSS p=0.19). After blinding test with a physician for making a qualitative analysis, there was no difference.
Conclusion: Quantitative indices in QPS program showed good correlation and the results showed no statistically signigicant difference. The variance between method was small. therefore, the functional parameters by each method can be used interchangeably. Also, we expect patient’s satisfaction.
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KEYWORD
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Myocardial extract, AutoQUANT, QPS, TID, ESD, SSS
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