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KMID : 0385920090200060709
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Journal of the Korean Society of Emergency Medicine
2009 Volume.20 No. 6 p.709 ~ p.714
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Clinical Features and Treatment Patterns of Radiocontrast Mediainduced Anaphylaxis in the Emergency Department
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Kim Hahn-Bom
Kim Do-Kyun
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Abstract
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Purpose: With the advances in diagnostic and interventional radiology, emergency physicians have been frequently confronted with radiocontrast media (RCM)-induced anaphylaxis. However, few studies have addresses RCMinduced anaphylaxis in Korea. The aim of this study was to describe the clinical features and treatment patterns of RCM-induced anaphylaxis patients who visited an emergency department (ED) in a tertiary referral hospital.
Methods: All patients who visited the ED and were diagnosed with “anaphylaxis” during a 3-year period were evaluated and cases of RCM-induced anaphylaxis were selected based on medical records.
Results: Twenty patients with RCM-induced anaphylaxis were retrospectively analyzed. Nine patients (45.0%) were male and the mean age was 59.5±14.9 years. Eighteen patients were referred following computed tomography (CT) examination and 2 patients from home. The most common manifestations were systolic blood pressure (SBP) < 90 mmHg (75.0%), followed by dizziness (55.0%), syncope (40.0%), angioedema (35.0%), and dyspnea (35.0%). Epinephrine was administered in 16 patients (80.0%), corticosteroids in 18 (90.0%), and antihistamine in 18 (90.0%). Only 4 patients (22.2%) were managed by epinephrine in the CT room. Seventeen patients were discharged directly from the ED after some observation period (7.3±5.0 hours) and 3 were admitted to the ICU. Corticosteroids were prescribed at discharge only in 9 patients (45.0%).
Conclusion: The clinical features of RCM-induced anaphylaxis were similar to those of other causative agents. The underuse of epinephrine in the CT room and the under-prescription of corticosteroids at discharge indicate a need for anaphylaxis management education and treatment plan.
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KEYWORD
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Contrast Media, Anaphylaxis, Epinephrine
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