Neurologic Effects of Gadolinium Retention in the Brain after Gadolinium-based Contrast Agent Administration.
Journal
Radiology
ISSN: 1527-1315
Titre abrégé: Radiology
Pays: United States
ID NLM: 0401260
Informations de publication
Date de publication:
03 2022
03 2022
Historique:
pubmed:
22
12
2021
medline:
5
3
2022
entrez:
21
12
2021
Statut:
ppublish
Résumé
Background Concerns over the neurotoxic potential of retained gadolinium in brain tissues after intravenous gadolinium-based contrast agent (GBCA) administration have led to pronounced worldwide use changes, yet the clinical sequelae of gadolinium retention remain undefined. Purpose To assess clinical and neurologic effects and potential neurotoxicity of gadolinium retention in rats after administration of various GBCAs. Materials and Methods From March 2017 through July 2018, 183 male Wistar rats received 20 intravenous injections of 2.5 mmol per kilogram of body weight (80 human equivalent doses) of various GBCAs (gadodiamide, gadobenate, gadopentetate, gadoxetate, gadobutrol, gadoterate, and gadoteridol) or saline over 4 weeks. Rats were evaluated 6 and 34 weeks after injection with five behavioral tests, and inductively coupled plasma mass spectrometry, transmission electron microscopy, and histopathology were performed on urine, serum, cerebrospinal fluid (CSF), basal ganglia, dentate nucleus, and kidney samples. Dunnett post hoc test and Wilcoxon rank sum test were used to compare differences between treatment groups. Results No evidence of differences in any behavioral test was observed between GBCA-exposed rats and control animals at either 6 or 34 weeks (
Identifiants
pubmed: 34931861
doi: 10.1148/radiol.210559
pmc: PMC8893178
doi:
Substances chimiques
Contrast Media
0
Gadolinium
AU0V1LM3JT
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
676-683Subventions
Organisme : NCI NIH HHS
ID : P30 CA015083
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS076491
Pays : United States
Organisme : NINDS NIH HHS
ID : R43 NS110114
Pays : United States
Organisme : NINDS NIH HHS
ID : R44 NS107111
Pays : United States
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