Abstract
Background:Exposures to human immunodeficiency virus (HIV) commonly arrive at the Emergency Department (ED) for evaluation of transmission risk and the necessity for post-exposure prophylaxis (PEP). PEP aims to prevent HIV after exposure. International recommendations exist to guide eligibility assessment and standardise prescribing practices.Objective:The primary objective was to describe the patient cohort receiving HIV PEP at the ED. The secondary objective was to assess the ED physicians’ adherence to the 2005 guidelines provided by US Centers for Disease Control and Prevention for HIV PEP.Methods:This retrospective study identified patients prescribed with PEP after presenting with potential HIV exposure to a tertiary hospital ED in Singapore over 2 years. The exposure type and characteristics, source patient characteristics, indications for PEP, HIV status on presentation and on follow-up were assessed. Institutional guidelines recommended tenofovir/emtricitabine (Truvada) and raltegravir as HIV PEP.Results:Twenty-seven patients received HIV PEP during the study period. The majority (81.5%) presented after occupational exposure, with fresh needlestick injury (44.4%) being the most common cause. Amongst all recipients, PEP was indicated in 22.2% and not in 18.5%.Conclusions:With international guidelines simplifying eligibility assessment and prescribing practices, accurate and evidence-based PEP provision should be implemented at the frontline in the ED. These may be encouraged by enforcement of specific workflows and physician education.
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