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Case Reports
Polyethylene glycols (PEG) and related structures: overlooked allergens in the perioperative setting.
- Emily Wenande, Mogens Kroigaard, Holger Mosbech, and Lene H Garvey.
- From the Danish Anaesthesia Allergy Centre, Allergy Clinic, Copenhagen University Hospital, Gentofte, Hellerup, Denmark.
- A A Case Rep. 2015 Mar 1;4(5):61-4.
AbstractWe describe hypersensitivity to polyethylene glycols (PEGs), with cross-reactivity to a structural analog, polysorbate 80, in a 69-year-old patient with perioperative anaphylaxis and subsequent, severe anaphylactic reactions to unrelated medical products. PEGs and PEG analogs are prevalent in the perioperative setting, contained in a wide range of products seldom suspected of causing hypersensitivity reactions and thus rarely documented in surgical/anesthetic records. We suggest routine testing for PEGs after perioperative anaphylaxis because exposure to these polymers often is significant. Comprehensive brand name documentation on the anesthetic chart of all product exposures is central to identifying the responsible allergen.
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