Are patients allergic to shellfish at risk for an allergic reaction to an IVP?

Patients who are allergic to shellfish are considered at risk for an allergic reaction to intravenous pyelogram (IVP) procedures because IVP typically involves the administration of radiopaque contrast agents that often contain iodine. Shellfish allergies may indicate a sensitivity to iodine or the specific components found in shellfish, which can cross-react with iodine-based contrast media.

In clinical practice, there is a well-documented association between shellfish allergies and reactions to iodine-based contrast agents. This is important because these reactions can range from mild to severe, potentially leading to anaphylaxis. As a result, patients with a history of shellfish allergies should be screened thoroughly before receiving an IVP to ensure appropriate precautions are taken, which may include pre-medication or the use of alternative imaging methods.

This understanding helps healthcare providers manage patient risk effectively while recognizing that other factors may also contribute to allergy risk, such as previous allergic reactions to similar substances during imaging procedures.