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Anaphylactoid reactions to radiocontrast media

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Abstract

Adverse reactions to contrast material are a concern because iodinated contrast materials are commonly used drugs. The risk for adverse reaction is 4% to 12% with ionic contrast materials and 1% to 3% with nonionic contrast materials. The risk for severe adverse reaction is 0.16% with ionic contrast materials and 0.03% with nonionic contrast materials. The death rate, one to three per 100,000 contrast administrations, is similar for both ionic and nonionic agents. More than 90% of adverse reactions with nonionic contrast materials are anaphylactoid. The types of severe reactions seen with nonionic contrast administration were initially predominantly anaphylactoid. With the advent of helical CT angiography, the reactions are now predominantly attributable to cardiopulmonary decompensation. With the widespread use of nonionic contrast materials, adverse reactions are now seen less frequently. Skills involved in evaluating and treating adverse reactions are not as frequently used. Periodic reviews and updates of specific treatment plans for various reactions with the physicians and staff who use contrast material are very important to ensure optimal preparedness. The key to successful treatment is preparation and early intervention.

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Authors and Affiliations

  1. David Geffen School of Medicine at UCLA, 10833 Le Conte Avenue, 90095-1721, Los Angeles, CA, USA

    Sachiko T. Cochran MD, FACR

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  1. Sachiko T. Cochran MD, FACR
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Cochran, S.T. Anaphylactoid reactions to radiocontrast media. Curr Allergy Asthma Rep 5, 28–31 (2005). https://doi.org/10.1007/s11882-005-0051-7

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  • DOI: https://doi.org/10.1007/s11882-005-0051-7

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