Accepted for/Published in: JMIR mHealth and uHealth
Date Submitted: Jan 24, 2021
Date Accepted: Mar 30, 2021
Warning: This is an author submission that is not peer-reviewed or edited. Preprints - unless they show as "accepted" - should not be relied on to guide clinical practice or health-related behavior and should not be reported in news media as established information.
The use of head-worn displays for vital sign monitoring in critical and acute care: A systematic review
ABSTRACT
Background:
Continuous monitoring of patient vital signs may improve patient outcomes. Head-worn displays can provide hands-free access to continuous patient vital sign information in critical and acute care contexts and thus may reduce instances of unrecognised patient deterioration.
Objective:
To conduct a systematic review of the literature to evaluate clinical, surrogate and process outcomes when clinicians use head-worn displays for continuous patient vital sign monitoring.
Methods:
The review was registered with PROSPERO: International prospective register of systematic reviews (CRD42019119875). A literature search was conducted for articles published between January 1995 and June 2020. The search included the following databases: PubMed, Embase, CINAHL, PsycINFO, and Web of Science. Two reviewers independently screened titles and abstracts, and then assessed the full text of articles. Original research articles that evaluated the clinical, surrogate, or process outcomes of head-mounted displays for continuous vital sign monitoring in critical care or acute care contexts were included.
Results:
Of the 214 records obtained, 15 articles met the predefined criteria and were included in this review. They included 15 studies overall. Some evidence was found to support the use of HWDs for detecting vital sign changes and changing gaze behaviour. However, no clinical outcomes were reported from the studies conducted in clinical rather than simulated contexts.
Conclusions:
Although there is limited and sometimes conflicting evidence about benefits of HWD from certain surrogate and process outcomes, evidence for clinical outcomes is lacking. Recommendations are to employ user-centred design when developing HWD displays, perform longitudinal studies, and seek clinical outcomes. Clinical Trial: CRD42019119875
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