MR Imaging Signs of Gadolinium Retention Are Not Associated with Long-Term Motor and Cognitive Outcomes in Multiple Sclerosis
American Journal of Neuroradiology, ISSN: 1936-959X, Vol: 44, Issue: 4, Page: 396-402
2023
- 4Citations
- 11Captures
- 1Mentions
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- Citations4
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- Captures11
- Readers11
- 11
- Mentions1
- News Mentions1
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Most Recent News
New Findings from University of Naples Federico II in Multiple Sclerosis Provides New Insights (Mr Imaging Signs of Gadolinium Retention Are Not Associated With Long-term Motor and Cognitive Outcomes In Multiple Sclerosis)
2023 APR 07 (NewsRx) -- By a News Reporter-Staff News Editor at Medical Imaging Daily News -- Current study results on Autoimmune Diseases and Conditions
Article Description
BACKGROUND AND PURPOSE: The long-term impact of gadolinium retention in the dentate nuclei of patients undergoing administration of seriate gadolinium-based contrast agents is still widely unexplored. The aim of this study was to evaluate the impact of gadolinium retention on motor and cognitive disability in patients with MS during long-term follow-up. MATERIALS AND METHODS: In this retrospective study, clinical data were obtained from patients with MS followed in a single center from 2013 to 2022 at different time points. These included the Expanded Disability Status Scale score to evaluate motor impairment and the Brief International Cognitive Assessment for MS battery to investigate cognitive performances and their respective changes with time. The association with qualitative and quantitative MR imaging signs of gadolinium retention (namely, the presence of dentate nuclei T1-weighted hyperintensity and changes in longitudinal relaxation R1 maps, respectively) was probed using different General Linear Models and regression analyses. RESULTS: No significant differences in motor or cognitive symptoms emerged between patients showing dentate nuclei hyperintensity and those without visible changes on T1WIs (P = .14 and 0.92, respectively). When we tested possible relationships between quantitative dentate nuclei R1 values and both motor and cognitive symptoms, separately, the regression models including demographic, clinical, and MR imaging features explained 40.5% and 16.5% of the variance, respectively, without any significant effect of dentate nuclei R1 values (P = .21 and 0.30, respectively). CONCLUSIONS: Our findings suggest that gadolinium retention in the brains of patients with MS is not associated with long-term motor or cognitive outcomes.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85152170165&origin=inward; http://dx.doi.org/10.3174/ajnr.a7807; http://www.ncbi.nlm.nih.gov/pubmed/36863844; http://www.ajnr.org/lookup/doi/10.3174/ajnr.A7807; https://dx.doi.org/10.3174/ajnr.a7807; https://www.ajnr.org/content/44/4/396
American Society of Neuroradiology (ASNR)
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