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Abstract
Objective
To describe the key features of a continual evidence surveillance process that can
be implemented for living guidelines and to outline the considerations and trade-offs
in adopting different approaches.
Study Design and Setting
Members of the Australian Living Evidence Consortium (ALEC), National Institute of
Health and Care Excellence (NICE) and the US GRADE Network shared their practical
experiences of and approaches to establishing surveillance systems for living guidelines.
We identified several common components of evidence surveillance and listed the key
features and considerations for each component drawn from case studies, highlighting
differences with standard guidelines.
Results
We developed guidance that covers the initial information needed to support decisions
around suitability for living mode, and the practical considerations in setting up
continual search surveillance systems (search frequency, sources to search, use of
automation, reporting the search, ongoing resources, and evaluation). The case studies
draw on our experiences with developing guidelines for COVID-19, as well as other
conditions such as stroke and diabetes, and cover a range of practical approaches,
including the use of automation.
Conclusion
This paper highlights different approaches to continual evidence surveillance that
can be implemented in living guidelines.
Graphical abstract

Graphical Abstract
Keywords
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Article info
Publication history
Accepted:
December 21,
2022
Received in revised form:
December 15,
2022
Received:
September 20,
2022
Publication stage
In Press Journal Pre-ProofIdentification
Copyright
© 2023 Elsevier Inc. All rights reserved.