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Gadolinium retention in rat abdominal organs after administration of gadoxetic acid disodium compared to gadodiamide and gadobutrol

 Hyewon Oh  ;  Yong Eun Chung  ;  Je Sung You  ;  Chan Gyu Joo  ;  Pan Ki Kim  ;  Joon Seok Lim  ;  Myeong-Jin Kim 
 MAGNETIC RESONANCE IN MEDICINE, Vol.84(4) : 2124-2132, 2020-10 
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abdomen ; contrast media ; gadolinium ; gadoxetic acid disodium ; magnetic resonance imaging
Purpose: To compare gadolinium retention in the abdominal organs after administration of gadoxetic acid disodium, a liver-specific contrast agent, compared to gadodiamide and gadobutrol. Methods: Three types of gadolinium-based contrast agents (GBCAs) were administered to rats. A single (gadodiamide and gadobutrol, 0.1 mmol/kg; gadoxetic acid disodium, 0.025 mmol/kg) or double label-recommended dose was intravenously administered once (Group 1), a single dose was administered 4 times (Group 2) and a single dose with or without a chelating agent (intraperitoneal injection immediately after each GBCA administration) was administered (Group 3). Rats were sacrificed after 1, 4, and 12 weeks and gadolinium concentrations in the liver, spleen, kidney, muscle, and bone were measured by inductively coupled plasma mass spectrometry. P values less than 0.05 were considered statistically significant. Results: More gadolinium was retained with a double dose compared to a single dose, but there was no observed significant difference in gadolinium retention after a double dose compared to a single dose (P > .05). Gadodiamide was retained the most in all tissues followed by gadobutrol and gadoxetic acid disodium. Residual gadolinium was significantly less at 4 weeks compared to 1 week (P < .05), but no further decrease was observed after 4 weeks (P > .05). The presence of the chelating agent did not significantly decrease the concentration of residual gadolinium (P > .05). Conclusion: Gadolinium was retained the least in abdominal organs after gadoxetic acid disodium was administered and most of the residual gadolinium was excreted 4 weeks after GBCA administration when a label-recommended dose was administered. A commercially available chelation therapy agent could not reduce gadolinium retention.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Emergency Medicine (응급의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > BioMedical Science Institute (의생명과학부) > 1. Journal Papers
Yonsei Authors
Kim, Myeong Jin(김명진) ORCID logo https://orcid.org/0000-0001-7949-5402
You, Je Sung(유제성) ORCID logo https://orcid.org/0000-0002-2074-6745
Lim, Joon Seok(임준석) ORCID logo https://orcid.org/0000-0002-0334-5042
Chung, Yong Eun(정용은) ORCID logo https://orcid.org/0000-0003-0811-9578
Joo, Chan Gyu(주찬규) ORCID logo https://orcid.org/0000-0002-1415-9245
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