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J Hosp Infect ; 131: 148-155, 2023 Jan.
Article in English | MEDLINE | ID: mdl-36243174

ABSTRACT

BACKGROUND: Healthcare-associated infections are associated with increased patient mortality. Hand hygiene is the most effective method to reduce these infections. Despite simplification of this easy intervention, compliance with hand disinfection remains low. Current assessment of hand hygiene is mainly based on observation by hygiene specialists. The aim of this study was to investigate additional benefits of eye-tracking during the analysis of hand hygiene compliance of healthcare professionals in the intensive care unit. METHODS: In a simulated, randomized crossover study conducted at the interdisciplinary intensive care unit at University Hospital Zurich, Switzerland, doctors and nurses underwent eye-tracking and completed two everyday tasks (injection of 10 µg norepinephrine via a central venous line, blood removal from the central line) in two scenarios where the locations of alcoholic dispensers differed ('in-sight' and 'out-of-sight'). The primary outcomes were dwell time, revisits, first fixation duration and average fixation duration on three areas of interest (central venous line, alcohol dispenser, protective glove box) for both scenarios. Compliance with hand hygiene guidelines was analysed. FINDINGS: Forty-nine participants (35 nurses, 14 doctors) were included in this study. Eye-tracking provided additional useful information compared with conventional observations. Dwell time, revisits, first fixation duration and average fixation duration did not differ between the two scenarios for all areas of interest. Overall compliance with recommended hand hygiene measures was low in both doctors (mean 20%) and nurses (mean 42.9%). CONCLUSION: Compared with conventional observations, eye-tracking offered additional helpful insights and provided an in-depth analysis of gaze patterns during the recording of hand hygiene compliance in the intensive care unit.


Subject(s)
Cross Infection , Hand Hygiene , Humans , Cross-Over Studies , Eye-Tracking Technology , Feasibility Studies , Guideline Adherence , Intensive Care Units , Cross Infection/prevention & control , Hand Disinfection/methods , Ethanol , Infection Control/methods
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