Chlorhexidine Hypersensitivity: A Case Report of Delayed Reactions Associated with Epidermal Preparations.

MedStar author(s):
Citation: Plastic and Reconstructive Surgery - Global Open. 8(8):e2945, 2020 Aug.PMID: 32983757Institution: MedStar Washington Hospital CenterDepartment: Surgery/Plastic SurgeryForm of publication: Journal ArticleMedline article type(s): Case ReportsSubject headings: IN PROCESS -- NOT YET INDEXEDYear: 2020ISSN:
  • 2169-7574
Name of journal: Plastic and reconstructive surgery. Global openAbstract: Chlorhexidine is a topical antiseptic that is generally well tolerated in patients, making it a common preparatory substance in various surgical settings. Sparse case reports have identified immediate hypersensitivity reactions after exposure to this substance, especially in patients with a history of atopy. The purpose of this case report is to describe 3 unique presentations of delayed hypersensitivity to epidermal chlorhexidine preparation. Patients undergoing breast surgery by a single surgeon between December 2018 and January 2019 were retrospectively reviewed for incidence of dermatologic complications. Medical and surgical history of patients as well as dermatologic hypersensitivity course were collected. Three patients presented with a delayed hypersensitivity to the epidermal chlorhexidine surgical preparation, ChloraPrep. Each patient developed an erythematous, pruritic maculopapular rash in the distribution of the chlorhexidine application. This occurred beyond the immediate postoperative period-ranging from postoperative days 5 to 35. Initial treatment included the use of 1% hydrocortisone along with a systemic antihistamine. If there was no improvement in symptoms after 3 days, we transitioned patients to 0.5% triamcinolone ointment. If there was no improvement after 5 days on triamcinolone, the patient was reexamined and systemic steroids were prescribed. In each of our cases, all skin changes had resolved within 7-10 days of initial symptoms. Our findings highlight a series of delayed adverse reactions to epidermal chlorhexidine occurring beyond the intraoperative and immediate postoperative period. This case report serves to recognize a unique presentation pattern to ensure that all patients are accurately diagnosed and promptly treated via a systematic treatment algorithm. Copyright (c) 2020 The Authors. Published by Wolters Kluwer Health, Inc. on behalf of The American Society of Plastic Surgeons.All authors: Bekeny JC, Bhardwaj P, Nigam M, Sher SR, Zolper EGFiscal year: FY2021Digital Object Identifier: Date added to catalog: 2020-10-06
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Journal Article MedStar Authors Catalog Article 32983757 Available 32983757

Chlorhexidine is a topical antiseptic that is generally well tolerated in patients, making it a common preparatory substance in various surgical settings. Sparse case reports have identified immediate hypersensitivity reactions after exposure to this substance, especially in patients with a history of atopy. The purpose of this case report is to describe 3 unique presentations of delayed hypersensitivity to epidermal chlorhexidine preparation. Patients undergoing breast surgery by a single surgeon between December 2018 and January 2019 were retrospectively reviewed for incidence of dermatologic complications. Medical and surgical history of patients as well as dermatologic hypersensitivity course were collected. Three patients presented with a delayed hypersensitivity to the epidermal chlorhexidine surgical preparation, ChloraPrep. Each patient developed an erythematous, pruritic maculopapular rash in the distribution of the chlorhexidine application. This occurred beyond the immediate postoperative period-ranging from postoperative days 5 to 35. Initial treatment included the use of 1% hydrocortisone along with a systemic antihistamine. If there was no improvement in symptoms after 3 days, we transitioned patients to 0.5% triamcinolone ointment. If there was no improvement after 5 days on triamcinolone, the patient was reexamined and systemic steroids were prescribed. In each of our cases, all skin changes had resolved within 7-10 days of initial symptoms. Our findings highlight a series of delayed adverse reactions to epidermal chlorhexidine occurring beyond the intraoperative and immediate postoperative period. This case report serves to recognize a unique presentation pattern to ensure that all patients are accurately diagnosed and promptly treated via a systematic treatment algorithm. Copyright (c) 2020 The Authors. Published by Wolters Kluwer Health, Inc. on behalf of The American Society of Plastic Surgeons.

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