Journal List > J Korean Soc Magn Reson Med > v.15(2) > 1011809

Choi, Choi, Jung, Ahn, and Lee: Acute Adverse Reactions to Gadolinium-based Intravenous Contrast Agents for MRI : Retrospective Analysis Using Computed Reporting System

Abstract

Purpose

To assess the frequency and severity of acute adverse reactions to intravenous administration of gadolinium-based contrast agents using computerized reporting system at a single large academic institution.

Materials and Methods

We assessed data from electronic hospital information system from October 2008 to December 2010. Reactions were classified as mild, moderate, or severe. We compared the frequency of adverse reactions among three contrast agents (Gd-BT-DO3A, Gd-DTPA and Gd-EOB-DTPA).

Results

The total number of administrated contrast agents was 33,600, and the number of administration of Gd-BT-DO3A, Gd-DTPA and Gd-EOB-DTPA were 20,824 (62%), 10,417 (31%) and 2,359 (7%), respectively. Total 39 adverse reactions were reported accounting for 0.1161% of all administrations. The incidences of adverse reactions were 0.1248% (26/39, 67%) for Gd-BT-DO3A, 0.0768% (8/39, 21%) for Gd-DTPA, and 0.2120% (5/39, 13%) for Gd-EOB-DTPA. The difference of frequencies of adverse reaction among three contrast agents was not significant. Most cases of the adverse effect were mild (35/39, 89.7%). Moderate and severe adverse reactions were encountered in two patients, respectively.

Conclusion

Among Koreans, adverse effects were rare, and especially, moderate to severe adverse reactions were much rarer. There was no difference among the frequencies of adverse reactions caused by three different contrast agents.

Figures and Tables

Fig. 1
Distributions of severity of adverse reactions by contrast agents.
(a) Overall distribution of severity of adverse reactions by all three contrast agents. (b) Distribution of severity of adverse reactions by Gd-BT-DO3A. (c) Distribution of severity of adverse reactions by Gd-DTPA. (d) Distribution of severity of adverse reactions by Gd-EOB-DTPA.
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Table 1
Categorization of Reactions to Contrast Agents
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Note.-Adapted from Reference 8.

Table 2
Adverse Reactions Categorized by Severity and Agent
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Note.-Values in parentheses are percentages of all administrations of a specific contrast agent.

Table 3
Symptoms of Adverse Reactions
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Note.-Thirty-nine patients experienced adverse reactions related contrast agents for magnetic resonance imaging, and some reported more than one adverse reaction. The total number of adverse reactions was 65.

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