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KMID : 1131320150170010083
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Journal of Korean Society of Computed Tomographic Technology
2015 Volume.17 No. 1 p.83 ~ p.91
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A research about injection method of contrast media on a patient with poor vein while at Cardiac CTA
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Lee Sun-Pyo
Choi Jae-Sung
Bum Hee-Nam
Jeon Joo-Seob
Choi Nam-Gil
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Abstract
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Purpose : This study evaluated on the usefulness of both sides injection using Reverse Y connector compared to ordinary one side contrast media injection for poor vein patient in Cardiac CTA.
Materials and method : The study included 18 patients (5male, 12females, mean age 64) who had poor vein through Cardiac CTA in between February, 2012 to August, 2014. Examining process went as the following, we obtained a image from automatic contrast media injection at a speed of 4~4.5 mL/sec after gaining IV route through 24G catheter in both of arms. A comparison of the image qualities and degree of vascular contrast enhancement was made between the two groups and evaluated statistically by SPSS program.
Result : By using reverse Y connector, we obtained a image and the initial image and obtained result was Ascending aorta and RCA and LM’s contrast enhancement level was shown as 418.82 ± 36.99~391.05 ± 56, 419.82 ± 35.83~389.23 ± 51.67, 422.41 ± 38.94~392.70 ± 53.74, which are higher HU value than others and shown difference in between statistically. Also the qualification score for two examination will be 4.21 ± 0.42 and 3.84 ± 0.52, so therefore the image of both injection tells an outstanding difference.
Conclusion : Reverse Y connector is used to test out contrast media by IV line and when it was done, it brought higher quality for evaluating the increasing level and higher quality than previous injection exam. The contrast media injection through both veins divides the pressure that gets into one vein to both veins, so angiodynia, extravasation problems could be minimized and the increasing attenuation value has been shown that Cardiac CTA Reverse Y connector usage can be very useful.
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KEYWORD
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Cardiac CTA, Contrast media, Reverse Y connector
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