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Very Long-Term Clinical Follow-up After Fractional Flow Reserve-Guided Coronary Revascularization.
MedLine Citation:
PMID:  22781467     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: Randomized trials using measurement of fractional flow reserve (FFR) to guide percutaneous coronary intervention (PCI) have demonstrated both safety and efficacy with regard to cardiac events. Real-world, long-term outcomes using an FFR-based revascularization strategy are unknown.
METHODS: Prospective clinical data were collected on consecutive patients referred for coronary angiography and found to have lesions of intermediate severity where the operators were unable to make a decision regarding revascularization based on angiographic, clinical, and stress testing parameters. FFR was measured on intermediate lesions, and revascularization was deferred on those lesions with a measurement >0.8. Clinical outcomes of interest included death, myocardial infarction, and late revascularization status.
RESULTS: A total of 151 patients were included in this study. Fifty-seven patients (37.7%) underwent revascularization based on their FFR measurement. The mean length of follow-up was 6.1 years (range, 5-10 years). Follow-up was completed in 97.0%. At the end of the follow-up period, 107 patients (70.9%) were alive. Late revascularization had been performed in 18 patients (11.9%). Comparing the initial revascularization group with the group in which revascularization was deferred, 64.9% and 74.5% were alive, respectively (P=.29). Of the initial revascularization group, 12.3% had undergone late revascularization of the lesion on which FFR was originally performed, compared with 11.7% in the deferred group (P=.99).
CONCLUSIONS: FFR is a useful adjunct to coronary angiography in selecting patients with lesions of intermediate angiographic severity in whom coronary revascularization may be safely deferred.
Louis H Miller; Bora Toklu; Judah Rauch; Jeffrey D Lorin; Iryna Lobach; Steven P Sedlis
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of invasive cardiology     Volume:  24     ISSN:  1557-2501     ISO Abbreviation:  J Invasive Cardiol     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-07-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8917477     Medline TA:  J Invasive Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  309-15     Citation Subset:  IM    
Cardiology, VA New York Harbor Health Care System New York Campus, 423 East 23rd Street, New York, NY 10010 USA.
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