• Lisa Bagley, Anna Kordun, Sean Sinnott, Kimberly Lobo, and Joseph Cravero.
• Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
• Paediatr Anaesth. 2021 May 1; 31 (5): 570-577.

BackgroundAnaphylaxis to propofol is rare; however, providers face a clinical quandary as medication warnings still exist regarding propofol administration to egg-, soy-, and peanut-allergic patients.AimsThe primary aim evaluated the rate of allergic reactions during propofol-containing anesthesia in patients listed allergic to egg, soy, or peanut compared with nonallergic patients who received propofol. The secondary aim evaluated the relationship between food allergy history and allergy testing data.MethodsA retrospective chart review conducted between May 2012 and October 2018 identified pediatric patients listed allergic to egg, soy, and/or peanut, who received propofol. Allergy testing and results are presented. Evidence of allergic reaction to propofol during anesthesia was evaluated, and compared with a large nonallergic cohort who received propofol.ResultsOf the 232 392 anesthetics administered, 177 360 (76%) included propofol and 11308 (6%) involved a patient listed allergic to at least 1 index food. A large number of patients had no food allergy testing (n = 6153) or negative testing (n = 2198). Of the 3435 patients listed egg-allergic, 976 tested positive; 750 tested negative; and 1709 had no testing. Of the 2011 patients listed soy-allergic, 322 tested positive; 585 tested negative; and 1104 had no testing. Additionally, 5862 patients were listed peanut-allergic; 1659 tested positive; 863 tested negative and 3340 had no testing. One record of proven propofol anaphylaxis occurred; it was in a patient without a history of food allergies. There were 6 other cases of suspected allergy to propofol. One had a peanut and tree nut allergy and was lost to follow-up; one had no testing available, while 4 patients had positive propofol allergy testing and positive allergy tests to other medications. The rate of proven propofol anaphylaxis during anesthesia in the nonallergic cohort was 0.06/10 000, and the rate in egg- and soy-allergic patients was 0/5446. One patient with a listed peanut allergy had a possible reaction to propofol.ConclusionsIn the listed food-allergic cohort, the majority had no allergy testing or negative testing. We found no evidence of a relationship between food allergy history and perioperative propofol reaction. We suggest multiply allergic and atopic patients may have a similar likelihood of propofol reaction as with other medications.© 2021 John Wiley & Sons Ltd.

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