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KMID : 1131320150170010157
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Journal of Korean Society of Computed Tomographic Technology
2015 Volume.17 No. 1 p.157 ~ p.163
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Analyze the retrogression effects from the studies from the different site of the I.V for the brain artery angiography CT and find the methods to reduce retrodression
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Kim Hyun-Jin
Jung Ha-Boong
Kim Jong-Pil
Yu Bong-Heon
O Dong-Chan
Lee Chung-Hyeok
Hong Mun-Gi
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Abstract
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Introduction : In brain artery angiography CT, not the common carotid artery but the jugular vein enhanced media can be occurs, and if it repeats, it can be the main cause of the degradation of its image quality. So in this study, analyze the different site of the retrogression (I.V) and further, find the method to reduce retrogression effects.
Material & Method : From 01, 2010 to 12, 2012 at our hospital, we did a F/U from 18 patients who did brain artery angiography CT scan regardless of 409 patients. And we analyze research to find effects which cause decrease retrogression. After we fixed our guideline to fix the I.V to only one hand side in 2013, retrogression rate became decreased.
Results : Retrogression effects from the different site of I.V effects on 146 patients out of 409 patients. and it is expected to be 104 patients which is 71.23% from left arm IV and 42 patients which is 28.77% from right arm I.V. By following the new guideline which is to fix the right arm I.V. there were a row of sprinting from 16 patients out of 100 patients. So that’s means it decrease 19.70% compare to reflection of the guideline.(that were 35.70%)
Conclusion : It shows that right arm I.V brain artery angiography CT has less retrogression ratios than left arm I.V brain artery angiography CT. Before, we were chose the site of the I.V randomly. So if we fix the site by right side, it can reduce the retrogression by twice ( or 20% of reduce). And further, it can reduce the repeated ration and reduce working time, useful to prevent reducing image quality.
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KEYWORD
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Brain angiography, I.V , Retrogression, Contrast, Jugular vein
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