Edward Carlton
Randomised controlled trial of the Limit of Detection of Troponin and ECG Discharge (LoDED) strategy versus usual care in adult patients with chest pain attending the emergency department: Study protocol
Carlton, Edward; Campbell, Sarah; Ingram, Jenny; Kandiyali, Rebecca; Taylor, Hazel; Aziz, Shahid; Beresford, Peter; Kendall, Jason; Reuben, Adam; Smith, Jason; Vickery, Patricia Jane; Benger, Jonathan Richard
Authors
Sarah Campbell
Jenny Ingram
Rebecca Kandiyali
Hazel Taylor
Shahid Aziz
Peter Beresford
Jason Kendall
Adam Reuben
Jason Smith
Patricia Jane Vickery
Jonathan Richard Benger
Abstract
© 2018 Author(s). Published by BMJ. Introduction Observational data suggest a single high-sensitivity troponin blood test taken at emergency department (ED) presentation could be used to rule out major adverse cardiac events (MACE) in 10%-60% of ED patients with chest pain. This is done using an 'undetectable' cut-off (the Limit of Detection: LoD). We combined the LoD cut-off with ECG findings to create the LoDED strategy. We aim to establish whether the LoDED strategy works under real-life conditions, when compared with existing strategies, in a way that is cost-effective and acceptable to patients. Methods and analysis This is a parallel-group pragmatic randomised controlled trial across UK EDs. Adults presenting to ED with suspected cardiac chest pain will be randomised 1:1. Existing rule-out strategies in current use across study centres, using serial high-sensitivity troponin testing, will be compared with the LoDED strategy. The primary outcome is successful early discharge (discharge from hospital within 4 hours of arrival) without MACE occurring within 30 days. Secondary outcomes include initial length of hospital stay; comparative costs; patient satisfaction and acceptability to patients. To detect a 9% difference between the early discharge rates (assuming an 8% rate in the standard care group) with 90% power, 594 patients need to be recruited, assuming a 95% follow-up rate. Ethics and dissemination The study has been approved by the Frenchay Research Ethics Committee (reference 18/SW/0038). Results will be published in an international peer-reviewed journal. Lay summaries will be made available to patients.
Citation
Carlton, E., Campbell, S., Ingram, J., Kandiyali, R., Taylor, H., Aziz, S., …Benger, J. R. (2018). Randomised controlled trial of the Limit of Detection of Troponin and ECG Discharge (LoDED) strategy versus usual care in adult patients with chest pain attending the emergency department: Study protocol. BMJ Open, 8(10), e025339. https://doi.org/10.1136/bmjopen-2018-025339
Journal Article Type | Article |
---|---|
Acceptance Date | Aug 7, 2018 |
Online Publication Date | Oct 2, 2018 |
Publication Date | Oct 1, 2018 |
Deposit Date | Oct 22, 2018 |
Publicly Available Date | Oct 22, 2018 |
Journal | BMJ Open |
Electronic ISSN | 2044-6055 |
Publisher | BMJ Publishing Group |
Peer Reviewed | Peer Reviewed |
Volume | 8 |
Issue | 10 |
Pages | e025339 |
DOI | https://doi.org/10.1136/bmjopen-2018-025339 |
Public URL | https://uwe-repository.worktribe.com/output/857792 |
Publisher URL | http://dx.doi.org/10.1136/bmjopen-2018-025339 |
Files
Final Protocol Paper.pdf
(454 Kb)
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