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A systematic review of exercise testing in patients with intermittent claudication: A focus on test standardisation and reporting quality in randomised controlled trials of exercise interventions

Birkett, Stefan; Harwood, Amy; Caldow, Edward; Ibeggazene, Said; Ingle, Lee; Pymer, Sean

Authors

Stefan Birkett

Amy Harwood

Edward Caldow

Said Ibeggazene

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Mr Sean Pymer Sean.Pymer@hull.ac.uk
Academic Clinical Exercise Physiologist



Contributors

Ukachukwu Okoroafor Abaraogu
Editor

Abstract

A systematic review was conducted to identify the range of terminology used in studies to describe maximum walking distance and the exercise testing protocols, and testing modalities used to measure it in patients with intermittent claudication. A secondary aim was to assess the implementation and reporting of the exercise testing protocols. CINAHL, Medline, EMBASE and Cochrane CENTRAL databases were searched. Randomised controlled trials whereby patients with intermittent claudication were randomised to an exercise intervention were included. The terminology used to describe maximal walking distance was recorded, as was the modality and protocol used to measure it. The implementation and reporting quality was also assessed using pre-specified criteria. Sixty-four trials were included in this review. Maximal walking distance was reported using fourteen different terminologies. Twenty-two different treadmill protocols and three different corridor tests were employed to assess maximal walking distance. No single trial satisfied all the implementation and reporting criteria for an exercise testing protocol. Evidence shows that between-study interpretation is difficult given the heterogenous nature of the exercise testing protocols, test endpoints and terminology used to describe maximal walking distance. This is further compounded by poor test reporting and implementation across studies. Comprehensive guidelines need to be provided to enable a standardised approach to exercise testing in patients with intermittent claudication.

Citation

Birkett, S., Harwood, A., Caldow, E., Ibeggazene, S., Ingle, L., & Pymer, S. (in press). A systematic review of exercise testing in patients with intermittent claudication: A focus on test standardisation and reporting quality in randomised controlled trials of exercise interventions. PLoS ONE, 16(5), https://doi.org/10.1371/journal.pone.0249277

Journal Article Type Article
Acceptance Date Mar 22, 2021
Online Publication Date May 3, 2021
Deposit Date Mar 30, 2021
Publicly Available Date May 4, 2021
Journal PLOS ONE
Print ISSN 1932-6203
Publisher Public Library of Science
Peer Reviewed Peer Reviewed
Volume 16
Issue 5
Article Number e0249277
DOI https://doi.org/10.1371/journal.pone.0249277
Public URL https://hull-repository.worktribe.com/output/3746298

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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/

Copyright Statement
Copyright: © 2021 Birkett et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which
permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.





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