Simplified split-bolus intravenous contrast injection technique for pediatric abdominal CT

Publication date: Available online 12 June 2017
Source:Clinical Imaging
Author(s): Yong Hee Kim, Myung-Joon Kim, Hyun Joo Shin, Haesung Yoon, Mi-Jung Lee
PurposeTo investigate pediatric abdominal CT using a simplified split-bolus (Split group) contrast injection compared with a single bolus (Control group).MethodsRadiation dose, image quality and diagnostic accuracy were compared.ResultsSplit group demonstrated lower effective dose (2.46 vs. 2.85mSv, p=0.002) and noise levels in aorta, liver and portal vein (p<0.001). There was one false-negative case of portal vein obliteration in the Split group.ConclusionsA simple method of split-bolus intravenous contrast injection technique can provide adequate and homogeneous enhancement in pediatric abdominal CT.



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