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. 2021 Jun 12;28(6):1308-1317.
doi: 10.1093/jamia/ocab026.

Real-time locating systems to improve healthcare delivery: A systematic review

Kevin M Overmann  1   2 , Danny T Y Wu  2   3 , Catherine T Xu  3 , Shwetha S Bindhu  3 , Lindsey Barrick  1   2
Affiliations

Real-time locating systems to improve healthcare delivery: A systematic review

Kevin M Overmann et al. J Am Med Inform Assoc. .

Abstract

Objective: Modern health care requires patients, staff, and equipment to navigate complex environments to deliver quality care efficiently. Real-time locating systems (RTLS) are local tracking systems that identify the physical locations of personnel and equipment in real time. Applications and analytic strategies to utilize RTLS-produced data are still under development. The objectives of this systematic review were to describe and analyze the key features of RTLS applications and demonstrate their potential to improve care delivery.

Materials and methods: We searched MEDLINE, SCOPUS, and IEEE following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. Inclusion criteria were articles that utilize RTLS to evaluate or influence workflow in a healthcare setting. We summarized aspects of relevant articles, identified key themes in the challenges of applying RTLS to workflow improvement, and thematically reviewed the state of quantitative analytic methodologies.

Results: We included 42 articles in the final qualitative synthesis. The most frequent study design was observational (n = 24), followed by descriptive (n = 12) and experimental (n = 6). The most common clinical environment for study was the emergency department (n = 12), followed by entire hospital (n = 7) and surgical ward (n = 6).

Discussion: The focus of studies changed over time from early experience to optimization to evaluation of an established system. Common narrative themes highlighted lessons learned regarding evaluation, implementation, and information visibility. Few studies have developed quantitative techniques to effectively analyze RTLS data.

Conclusions: RTLS is a useful and effective adjunct methodology in process and quality improvement, workflow analysis, and patient safety. Future directions should focus on developing enhanced analysis to meaningfully interpret RTLS data.

Keywords: RTLS; systematic review; workflow; “real-time locating system,”.

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Figures

Figure 1.
Figure 1.
PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) diagram of included studies.
Figure 2.
Figure 2.
Categories of real-time locating systems over time.
See this image and copyright information in PMC

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