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Br J Radiol. 2013 Dec;86(1032):20130418. doi: 10.1259/bjr.20130418. Epub 2013 Nov 4.

Evaluation of adverse reactions to contrast media in the hospital.

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1
College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea.

Abstract

OBJECTIVE:

To determine and analyse the characteristics of contrast media adverse reactions (CM-ARs) reported in a hospital.

METHODS:

A retrospective review of CM-ARs from the electronic spontaneous adverse drug reaction (ADR) report system between January 2011 and August 2012 was conducted. CM-ARs were evaluated in terms of causality, severity, preventability and affected organs. Also, agreement and correlation among the tools used to evaluate CM-ARs were analysed.

RESULTS:

The overall reaction rate was 1.5% (n = 286). In total, 269 CM-ARs were identified. For ADR causality, 96.7% (n = 260) and 98.5% (n = 265) were evaluated as "probable" ADR using the Naranjo probability scale and the World Health Organization-Uppsala Monitoring Centre causality categories, whereas 98.1% (n = 264) were evaluated as "certain" with Korean algorithm v. II. Of these, 91.4% (n = 246) were mild in severity and 96.7% (n = 260) were unpreventable. Most patients (n = 233, 86.7%) could be managed with observation and/or simple treatment. The most frequent reaction (n = 383, 79.5%) was dermatological. Spearman's correlation coefficient was 0.667 (p < 0.01), and the agreement was 98.1% between the Naranjo scale and the World Health Organization-Uppsala Monitoring Centre categories. No relationship was seen between CM-AR severity and gender or between in- and outpatients.

CONCLUSION:

In our study, most CM-ARs were mild and managed with simple treatment. However, as the number of patients undergoing CT procedures continues to increase, it is essential to identify and observe patients at risk for CM-ARs to prevent severe ADRs.

ADVANCES IN KNOWLEDGE:

Continuous careful review of reporting and treatment protocols of CM-ARs is needed to prevent morbidity and mortality.

PMID:
24191123
PMCID:
PMC3856550
DOI:
10.1259/bjr.20130418
[Indexed for MEDLINE]
Free PMC Article
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