A shortcut review was carried out to establish whether having a shellfish or iodine allergy changed the risk of allergic reaction in patients receiving radiocontrast medium more than other concomitant allergies. One relevant paper (a systematic review) was identified for inclusion using the reported search strategy. The author, date and country of publication; group studied; study type; relevant outcomes; results and study weaknesses of this paper are tabulated. It is concluded that there is no evidence that allergy to shellfish or iodine alters the risk of reaction to intravenous contrast more than any other allergies.
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Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Not required.
Provenance and peer review Not commissioned; internally peer reviewed.