Hypersensitivity reactions to radiocontrast media: The role of complement activation

Research output: Contribution to journalReview article

33 Citations (Scopus)

Abstract

Although intravenous use of radiocontrast media (RCM) for a variety of radiographic procedures is generally safe, clinically significant acute hypersensitivity reactions still occur in a significant percentage of patients. The mechanism of these anaphylactoid, or "pseudoallergic," reactions is complex, involving complement activation, direct degranulation of mast cells and basophils, and modulation of enzymes and proteolytic cascades in plasma. In this review, basic information on different RCMs and their reactogenicity is summarized and updated, and the prevalence, pathomechanism, prediction, prevention, treatment, and economic impact of hypersensitivity reactions are discussed. Particular attention is paid to the in vitro and in vivo evidence supporting complement activation as an underlying cause of RCM reactions.

Original languageEnglish
Pages (from-to)25-30
Number of pages6
JournalCurrent Allergy and Asthma Reports
Volume4
Issue number1
DOIs
Publication statusPublished - Jan 2004

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Pulmonary and Respiratory Medicine

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