• M Creaney and S Mac Colgáin.
• National Maternity Hospital, Dublin, Ireland. Electronic address: creaneym@hotmail.com.
• Int J Obstet Anesth. 2020 May 1; 42: 61-64.

IntroductionThe Association of Anaesthetists' guidelines recommend 0.5% chlorhexidine gluconate for skin antisepsis before obstetric neuraxial procedures. In this national survey, we identified the practice of all 19 obstetric units in Ireland. A secondary aim was to investigate complications in units not following guidelines.MethodsA consultant obstetric anaesthetist in each unit was asked seven questions relating to the antiseptic solution used, its application, their awareness of relevant guidelines, the unit epidural and caesarean section rates, and cases of either chemical arachnoiditis or central nervous system (CNS) infection in the previous year.ResultsAll units responded (n=6 incomplete data) and consented verbally to anonymous data use. Thirteen (68%) used 0.5% chlorhexidine and three used 2% chlorhexidine swab-sticks (ChloraPrep™) exclusively; a fourth used mostly 2% chlorhexidine while two units used povidone iodine exclusively (11%). There were no cases of chemical arachnoiditis. One of three reported infective complications was attributed in part to the antiseptic used (povidone iodine) and practice was subsequently changed.ConclusionTwenty-one percent of obstetric anaesthesia units in Ireland, catering for one-third of the total deliveries, use the ChloraPrep™ swab-stick and consider it the safest form of application. Chlorhexidine gluconate has been implicated in devastating neurological injury, however there is no evidence that a less concentrated solution such as 0.5% is safer. We suggest a meticulous application technique should be considered more important for patient safety than the concentration of solution.Copyright © 2019 Elsevier Ltd. All rights reserved.

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