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Comparative Study
A comparison of Google Glass and traditional video vantage points for bedside procedural skill assessment.
- Heather L Evans, Dylan J O'Shea, Amy E Morris, Kari A Keys, Andrew S Wright, Douglas C Schaad, and Jonathan S Ilgen.
- Department of Surgery, Harborview Medical Center, University of Washington, 325 Ninth Avenue, Box 359796, Seattle, WA, 98104, USA. Electronic address: hlevans@uw.edu.
- Am. J. Surg. 2016 Feb 1; 211 (2): 336-42.
BackgroundThis pilot study assessed the feasibility of using first person (1P) video recording with Google Glass (GG) to assess procedural skills, as compared with traditional third person (3P) video. We hypothesized that raters reviewing 1P videos would visualize more procedural steps with greater inter-rater reliability than 3P rating vantages.MethodsSeven subjects performed simulated internal jugular catheter insertions. Procedures were recorded by both Google Glass and an observer's head-mounted camera. Videos were assessed by 3 expert raters using a task-specific checklist (CL) and both an additive- and summative-global rating scale (GRS). Mean scores were compared by t-tests. Inter-rater reliabilities were calculated using intraclass correlation coefficients.ResultsThe 1P vantage was associated with a significantly higher mean CL score than the 3P vantage (7.9 vs 6.9, P = .02). Mean GRS scores were not significantly different. Mean inter-rater reliabilities for the CL, additive-GRS, and summative-GRS were similar between vantages.Conclusions1P vantage recordings may improve visualization of tasks for behaviorally anchored instruments (eg, CLs), whereas maintaining similar global ratings and inter-rater reliability when compared with conventional 3P vantage recordings.Copyright © 2016 Elsevier Inc. All rights reserved.
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