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

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