Why the study?
Does a saline flush technique prolong time to peak aortic enhancement and save contrast medium during thoracic helical CT?
Population
125 patients undergoing thoracic helical CT (5 groups of n=25 each)
Comparison
75 ml of contrast medium pushed with 6 ml, 12… vs 75 ml of contrast material only without saline…
Design
Cohort
Follow-up
30 to 55 seconds after injection
Authors
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May allow 12 ml contrast reduction in thoracic CT via saline flush; leaves open need for randomized trials to confirm benefit.
Does a saline flush technique prolong time to peak aortic enhancement and save contrast medium during thoracic helical CT?
Using a 12 ml saline flush after contrast injection during thoracic CT significantly prolongs peak aortic enhancement, allowing for a 12 ml reduction in contrast volume.
Irie et al. (2002) studied this question.
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