Faster clinical response to the onset of adverse events: A wearable metacognitive attention aid for nurse triage of clinical alarms

PloS One
Daniel C McFarlaneRanjeev Mittu

Abstract

This study evaluates the potential for improving patient safety by introducing a metacognitive attention aid that enables clinicians to more easily access and use existing alarm/alert information. It is hypothesized that this introduction will enable clinicians to easily triage alarm/alert events and quickly recognize emergent opportunities to adapt care delivery. The resulting faster response to clinically important alarms/alerts has the potential to prevent adverse events and reduce healthcare costs. A randomized within-subjects single-factor clinical experiment was conducted in a high-fidelity 20-bed simulated acute care hospital unit. Sixteen registered nurses, four at a time, cared for five simulated patients each. A two-part highly realistic clinical scenario was used that included representative: tasking; information; and alarms/alerts. The treatment condition introduced an integrated wearable attention aid that leveraged metacognition methods from proven military systems. The primary metric was time for nurses to respond to important alarms/alerts. Use of the wearable attention aid resulted in a median relative within-subject improvement for individual nurses of 118% (W = 183, p = 0.006). The top quarter of relative imp...Continue Reading

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Citations

Jan 5, 2019·Human Factors·Michael T PascaleRobert G Loeb
Jan 25, 2019·Biomedical Informatics Insights·Sarah Poole, Nigam Shah
Mar 5, 2021·Biomedical Instrumentation & Technology·Randall J MumawEmily S Patterson
May 1, 2021·International Journal of Environmental Research and Public Health·Soo-Joung LeeYoun-Jung Son
May 21, 2021·Human Factors·Emily S PattersonSusan D Moffatt-Bruce

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Software Mentioned

MATLAB
HAIL
Omnicell
SimMan
HAIL Alarm Triage ( HAIL - CAT )
MathWorks
CAT
Linux OS
Linux

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