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Lookup NU author(s): Dr Shahid Junejo
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
We assessed the management and outcomes of non-ST segment elevation myocardial infarction (NSTEMI) patients randomly assigned to fractional flow reserve (FFR)-guided management or angiography-guided standard care.We conducted a prospective, multicentre, parallel group, 1 : 1 randomized, controlled trial in 350 NSTEMI patients with a parts per thousand yen1 coronary stenosis a parts per thousand yen30% of the lumen diameter assessed visually (threshold for FFR measurement) (NCT01764334). Enrolment took place in six UK hospitals from October 2011 to May 2013. Fractional flow reserve was disclosed to the operator in the FFR-guided group (n = 176). Fractional flow reserve was measured but not disclosed in the angiography-guided group (n = 174). Fractional flow reserve a parts per thousand currency sign0.80 was an indication for revascularization by percutaneous coronary intervention (PCI) or coronary artery bypass surgery (CABG). The median (IQR) time from the index episode of myocardial ischaemia to angiography was 3 (2, 5) days. For the primary outcome, the proportion of patients treated initially by medical therapy was higher in the FFR-guided group than in the angiography-guided group [40 (22.7%) vs. 23 (13.2%), difference 95% (95% CI: 1.4%, 17.7%), P = 0.022]. Fractional flow reserve disclosure resulted in a change in treatment between medical therapy, PCI or CABG in 38 (21.6%) patients. At 12 months, revascularization remained lower in the FFR-guided group [79.0 vs. 86.8%, difference 7.8% (-0.2%, 15.8%), P = 0.054]. There were no statistically significant differences in health outcomes and quality of life between the groups.In NSTEMI patients, angiography-guided management was associated with higher rates of coronary revascularization compared with FFR-guided management. A larger trial is necessary to assess health outcomes and cost-effectiveness.
Author(s): Layland J, Oldroyd KG, Curzen N, Sood A, Balachandran K, Das R, Junejo S, Ahmed N, Lee MMY, Shaukat A, O'Donnell A, Nam J, Briggs A, Henderson R, McConnachie A, Berry C, FAMOUS-NSTEMI Investigators
Publication type: Article
Publication status: Published
Journal: European Heart Journal
Year: 2015
Volume: 36
Issue: 2
Pages: 100-111
Print publication date: 01/01/2015
Online publication date: 01/09/2014
Acceptance date: 01/08/2014
Date deposited: 27/08/2015
ISSN (print): 0195-668X
ISSN (electronic): 1522-9645
Publisher: Oxford University Press
URL: http://dx.doi.org/10.1093/eurheartj/ehu338
DOI: 10.1093/eurheartj/ehu338
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