Steam, dry heat, radiation, ethylene oxide gas, evaporated hydrogen peroxide, and many other sterilization methods are used to sanitize medical equipment (e.g., chlorine dioxide gas, nitrogen dioxide, and vaporized peracetic acid). The benefits of ethylene oxide (EO) are its great processing capabilities, high ionic conductivity, high flexibility, low cost, and exceptional adhesive qualities. Patients on hemodialysis, those undergoing extracorporeal photopheresis, and plasmapheresis donors have all reported allergic reactions to EO. Differentiating between IgE-mediated anaphylaxis and anaphylactoid reactions is often impossible in practice due to the wide range of clinical symptoms. The infrequency of EO reactions coupled with healthcare personnel's lack of familiarity with this clinical phenomenon may result in their underdiagnosis. We describe the case of a platelet donor who developed an allergy, while donating at a transfusion facility, due to an ethylene oxide-sterilized apheretic kit. We aim to draw attention to the fact that care should be given while handling cases of this nature as they can become life-threatening.
Keywords: citrate toxicity; ethylene oxide; first use syndrome; platelet apheresis; skin blister.
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