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KMID : 1149020180200020099
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Journal of Korean Society of Computed Tomographic Technology
2018 Volume.20 No. 2 p.99 ~ p.106
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Study of Body Temperature Change after CT Contrast Media Injection
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Yun Seung-Min
Yoo Sang-Jae
Gong Jin-Ho
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Abstract
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Purpose: The heat sensation of the patient during hypersensitivity reactions after contrast media injection is one of the most frequent side effects. The actual patient's body temperature is measured to ascertain whether this heat sensation is caused by a rise in body temperature.
Material and methods: A total of 100 patients who underwent Neck CT (contrast) test from August 1, 2017 to December 31,
2017 were measured for pre-test body temperature of axillary and forehead (right eyebrow) at intervals of 10 seconds after the injection of contrast agent. The contrast agent injection rate (m/sec) and volume (ml) were fixed at 2.7 m/sec and 90 ml according to the hospital’s protocol of this application. The measured results were divided into T0, before measurement, T1 for 30 seconds after the injection of contrast agent, T2 for 40 to 70 seconds, and T3 for 80 to 100 seconds and the temperature change was confirmed through statistical analysis. To determine the presence and degree of heat sensitivity after the test, it was recorded by a Likert scale (5 points).
Result: 88 patients (88%) felt the feeling of heat, and the degree of sensation of heat was 3.04 points on the 5 points of the
Likert scale. The result of the actual measurement of the heat sensation shows that there was no change in body temperature at T1 with 36.53°C for 30 seconds after injection of contrast agent, and at T2 with 36.72°C, an increase of 0.25°C during 40 to 70 seconds. The interval between 80 and 100 seconds (T3) was 36.75℃, which was almost similar to the T2 interval temperature. The results were almost identical in both axillary and forehead areas.
Conclusion: It could not be referred from the results that the body temperature must change by heat sensation after injectiong contrast media. However, it was found that body temperature was changed in most patients.
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KEYWORD
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contrast agent, heat sensation, temperature measurement
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