What question did this study set out to answer?

This study examines the association between exposure to gadolinium-based contrast agents (GBCA) and the risk of developing parkinsonism.

February 6, 2026Korean Journal of Radiology0 citationsOpen Access

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Risk of Parkinsonism After Exposure to Different Types of Gadolinium-Based Contrast Agents: A Nationwide Population-Based Cohort Study of 222,977 Individuals

NSNa-Young Shin SPSoo Kyung Park BKBongseong Kim

Key Points

This study examines the association between exposure to gadolinium-based contrast agents (GBCA) and the risk of developing parkinsonism.
Analyzed data from a nationwide population cohort of 222,977 individuals
Compared risks associated with linear GBCA and macrocyclic GBCA exposure
Used statistical analyses to assess the incidence of parkinsonism
Found a slight increase in parkinsonism risk with linear GBCA exposure
No significant risk increase associated with macrocyclic GBCA exposure
Recommends caution in using linear GBCA until more studies confirm these findings

Abstract

Exposure to linear GBCAs may slightly increase the risk of parkinsonism in adults, whereas exposure to macrocyclic GBCAs may not. Caution should be exercised when using linear GBCAs until further evidence emerges.

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Cite This Study

Shin et al. (Thu,) studied this question.

synapsesocial.com/papers/698584b78f7c464f23008284 https://doi.org/https://doi.org/10.3348/kjr.2025.1003

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