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http://dx.doi.org/10.7742/jksr.2017.11.4.247

Analysis of the Maximum Pressure Difference of PSI(pound per square inch) depending on the Size of the Y-shape Connecting Tube of the Automatic Contrast Medium Injector  

Kim, Hyeon-jin (Department of Radiological science, Kaya University)
Im, In-chul (Department of Radiological science, Dongeui University)
Publication Information
Journal of the Korean Society of Radiology / v.11, no.4, 2017 , pp. 247-252 More about this Journal
Abstract
Radiologists who experience extravasation of the contrast medium even once suffer mentally during testing due to the fear of its reoccurrence. Establishing a plan for preventing it beforehand is necessary above all because patients experience severe physical and mental pain and become distrusting of medical staff and treatment. Therefore, the present study attempts to prevent extravasation, which is the result of damage from pressure applied to the patient's blood vessels, by lowering PSI, and conducted a comparative analysis of PSI changes during contrast medium injection depending on the diameter of the Y-shape connecting tube which connects the automatic injector and the intravenous injection of the patient. In the case of product A in which the diameter of the Y-shape connecting tube is about 2mm, the average PSI for all ages was 98.5 and standard deviation was 9.72. In the case of product B in which the diameter of the Y-shape connecting tube is about 3mm, the average PSI for all ages was 62.0 and standard deviation was 8.59. Product B with its wider diameter decreased in average pressure by 37.05% when compared to product A, and when product B is used with the p-value at 0.00, pressure decreased even more, achieving statistically significant results.
Keywords
PSI; Extravasation; Y-shape connecting tube;
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