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The surgical implementation gap : a mixed method/retrospective exploration of the impact of surgical trials on clinical practice
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Schmidtke, Kelly, Evison, F., Grove, Amy L., Kudrna, L., Tucker, O., Metcalfe, Andrew J., Bradbury, A. W., Bhangu, Bhangu and Lilford, R. J. (2023) The surgical implementation gap : a mixed method/retrospective exploration of the impact of surgical trials on clinical practice. BMJ Quality and Safety, 32 (6). pp. 341-356. doi:10.1136/bmjqs-2022-015077 ISSN 2044-5423.
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Official URL: https://doi.org/10.1136/bmjqs-2022-015077
Abstract
Objectives – Landmark studies published near the turn of the 21st century found an implementation gap concerning the effect of evidenced-based findings on clinical practice. The current study examines the uptake of six trials that produced actionable findings to describe the effects of evidence on practice and the reasons for those effects.
Design – A sequential, explanatory mixed-methods study was conducted. First, a quantitative study assessed whether actionable findings from large, publicly funded elective surgical trials influenced practice. Subsequently, qualitative interviews were conducted to explain the quantitative findings.
Setting – Changes in NHS-funded practice were tracked across hospitals in England. Interviews were conducted online.
Data and Participants – The six surgical trials were funded and published by England’s National Institute for Health Research’s Health Technology Assessment programme between 2006 and 2015. Quantitative time-series analyses used data about the frequencies or proportions of relevant surgical procedures conducted in England between 2001 to 2020. Subsequently, qualitative interviews were conducted with 25 participants including study authors, surgeons, and other healthcare staff in the supply chain. Transcripts were coded to identify major temporal events and Consolidated Framework for Implementation Research (CFIR) domains/constructs that could influence implementation. Findings were synthesised by clinical area.
Results – The quantitative analyses reveal that practice changed in accordance with findings for three trials. In one trial (percutaneous vs nasogastric tube feed after stroke), the change took a decade to occur. In another (patella resurfacing), change anticipated the trial findings. In the third (abdominal aortic aneurysm repair), changes tracked the evolving evidence base. In the remaining trials (two about varicose veins and one about gastric reflux), practice did not change in line with findings. For varicose veins, the results were superseded by a further trial. For gastric reflux, surgical referrals declined as medical treatment increased. The exploratory qualitative analysis informed by CFIR found that evidence from sources apart from the trial in question was mentioned as a reason for non-adoption in the three trials where evidence did not affect practice and in the trial where uptake was delayed. There were no other consistent patterns in the qualitative data.
Conclusion – While practice does not always change in the direction indicated by clinical trials, our results suggest that individuals, official committees, and professional societies do assimilate trial evidence. Decision-makers seem to respond to the totality of evidence such that there are often plausible reasons for not adopting the evidence of any one trial in isolation.
Item Type: | Journal Article | ||||||||
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Subjects: | R Medicine > RD Surgery | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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Library of Congress Subject Headings (LCSH): | Surgery -- Research, Clinical trials | ||||||||
Journal or Publication Title: | BMJ Quality and Safety | ||||||||
Publisher: | BMJ Group | ||||||||
ISSN: | 2044-5423 | ||||||||
Official Date: | 13 May 2023 | ||||||||
Dates: |
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Volume: | 32 | ||||||||
Number: | 6 | ||||||||
Page Range: | pp. 341-356 | ||||||||
DOI: | 10.1136/bmjqs-2022-015077 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Reuse Statement (publisher, data, author rights): | This article has been accepted for publication in BMJ Quality and Safety, 2022 following peer review, and the Version of Record can be accessed online at [insert full DOI eg. http://dx.doi.org/10.1136/xxxxx]. © Authors (or their employer(s)) | ||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||
Date of first compliant deposit: | 11 October 2022 | ||||||||
Date of first compliant Open Access: | 2 November 2022 | ||||||||
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