Evaluation of the effect of information integration in displays for ICU nurses on situation awareness and task completion time: A prospective randomized controlled study |
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| Authors: | Sven H. Koch Charlene Weir Dwayne Westenskow Matthias Gondan Jim Agutter Maral Haar David Liu Matthias Görges Nancy Staggers |
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| Affiliation: | 1. Institute of Medical Biometry and Informatics, University of Heidelberg, Germany;2. Department of Biomedical Informatics, University of Utah, Salt Lake City, UT, USA;3. Salt Lake City Veterans Healthcare System, Salt Lake City, UT, USA;4. Department of Anesthesiology, University of Utah, Salt Lake City, UT, USA;5. Graduate School of College of Architecture + Planning, University of Utah, SLC, UT, USA;6. Drägerwerk AG, Lübeck, Germany;7. School of Information Technology and Electrical Engineering, University of Queensland, Australia;8. Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, Canada;9. School of Nursing, University of Maryland, Baltimore, MD, USA |
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| Abstract: | ObjectiveThe study measured whether nurses’ situation awareness would increase and task completion time decrease when they used an integrated information display compared to traditional displays for medication management, patient awareness and team communication.SettingThe Burn Trauma Intensive Care Unit (BTICU) at the University Hospital, University of Utah Health Science Center, Salt Lake City, Utah, USA.Participants12 experienced BTICU nurses.MeasuresSituation awareness (accuracy of the participants’ answer) and task completion time (response time from seeing the question to submitting the answer) were measured using paper prototypes of both displays.Study designCounter-balanced (on display order), repeated-measures design.Main resultsNurses had a higher situation awareness when using the integrated display, with an overall accuracy of 85.3% compared to 61.8% with the traditional displays (odds ratio 3.61, P < .001, 95% CI = 2.34…5.57). Task completion times were nearly half with integrated displays compared to traditional displays (median 26.0 and 42.1 s, hazard ratio 2.31, P < .001, CI = 1.83…2.93).ConclusionsAn integrated ICU information display increased nurses’ situation awareness and decreased task completion time. Information integration has the potential to decrease errors, increase nurses’ productivity and may allow nurses to react faster to a patient's clinical needs. Bidirectional device communication is needed for these displays to achieve full potential in improving patient safety. |
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