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Gadolinium-Based Contrast Agents: Associated Adverse Reactions.

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Summary

Gadolinium-based contrast agents are generally safe, but rare severe reactions like anaphylaxis can occur. This review covers their classification, causes, symptoms, and risk factors.

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Acute allergic reactionsAdverse eventsContrast mediaGadolinium-based contrast agents (GBCAs)

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Area of Science:

  • Radiology
  • Pharmacology
  • Clinical Medicine

Background:

  • Gadolinium-based contrast agents (GBCAs) are widely used in medical imaging.
  • These agents are generally considered safe with a low rate of adverse events.

Purpose of the Study:

  • To comprehensively review adverse reactions associated with GBCAs.
  • To discuss the classification, pathophysiology, symptoms, and risk factors of these reactions.

Main Methods:

  • Literature review of adverse reactions to GBCAs.
  • Analysis of reported cases and existing data on GBCA-induced adverse events.

Main Results:

  • Most adverse reactions to GBCAs are mild and physiological.
  • Severe acute adverse reactions, including anaphylaxis, are extremely rare but possible.
  • Understanding risk factors is crucial for patient safety.

Conclusions:

  • While GBCAs have a favorable safety profile, awareness of potential severe reactions is essential.
  • Further research into risk stratification and management of rare adverse events is warranted.