Abstract:
AIMS:To evaluate the correlation between iFR and FFR in real-world clinical practice. METHODS AND RESULTS:Retrospective, single-centre study of 229 consecutive pressure-wire studies (np = 158). Real-time iFR and FFR measurements were performed for angiographically borderline stenoses. Functionally significant stenoses were defined as iFR <0.86 or FFR ≤0.80. An iFR between 0.86 and 0.93 was considered within the grey zone (Hybrid approach). Median iFR and FFR (IQR) were 0.92 (0.87-0.95) and 0.83 (0.76-0.89), respectively. Pearson's correlation coefficient was 0.75 (P < 0.001). Bland-Altman plot showed a mean difference between iFR and FFR that remained consistent throughout the range of values. The optimal iFR cutoff was 0.91-sensitivity 80%, specificity 82% with ROC area under curve of 89%. Using the Hybrid iFR-FFR strategy, we demonstrated high accuracy of iFR results-sensitivity 95%, specificity 96%, PPV 95%, and NPV 96%. In addition, this method would have avoided adenosine in 56% of patients. Mean follow-up period was 17.2 (±3.4) months. All-cause mortality was 3.2% (np = 5) and repeat intervention was required in six lesions (2.6%). CONCLUSIONS:This study demonstrates that iFR is a valuable adjunct to FFR using the Hybrid iFR-FFR strategy in a real-world population. The use of adenosine may be avoided in about half the cases.
journal_name
J Interv Cardioljournal_title
Journal of interventional cardiologyauthors
Ding WY,Nair S,Appleby Cdoi
10.1111/joic.12422subject
Has Abstractpub_date
2017-12-01 00:00:00pages
564-569issue
6eissn
0896-4327issn
1540-8183journal_volume
30pub_type
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journal_title:Journal of interventional cardiology
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journal_title:Journal of interventional cardiology
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journal_title:Journal of interventional cardiology
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章
doi:10.1111/j.1540-8183.2002.tb01029.x
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pub_type: 杂志文章,评审
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journal_title:Journal of interventional cardiology
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章
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journal_title:Journal of interventional cardiology
pub_type: 临床试验,杂志文章
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更新日期:2009-12-01 00:00:00
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章
doi:10.1111/joic.12470
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pub_type: 杂志文章
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journal_title:Journal of interventional cardiology
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2008-02-01 00:00:00
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章,随机对照试验
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journal_title:Journal of interventional cardiology
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章
doi:10.1111/j.1540-8183.2001.tb00364.x
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章
doi:10.1111/j.1540-8183.2010.00603.x
更新日期:2011-02-01 00:00:00
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journal_title:Journal of interventional cardiology
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章,评审
doi:10.1111/j.1540-8183.2004.04040.x
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章
doi:10.1111/j.1540-8183.2008.00374.x
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pub_type: 杂志文章
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更新日期:2017-08-01 00:00:00
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章
doi:10.1111/j.1540-8183.2007.00252.x
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章,多中心研究
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更新日期:2016-10-01 00:00:00
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章
doi:10.1111/joic.12543
更新日期:2018-10-01 00:00:00
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pub_type: 杂志文章
doi:10.1111/j.1540-8183.2005.00069.x
更新日期:2005-10-01 00:00:00
abstract::Local delivery of immunosuppressive or antiproliferative agents using a drug-eluting stent is a new technology that is supposed to inhibit in-stent restenosis, thus providing a biological and mechanical solution. This technique is a very promising. To date, several agents have been used, including paclitaxel, QP-2, ra...
journal_title:Journal of interventional cardiology
pub_type: 杂志文章,评审
doi:10.1111/j.1540-8183.2002.tb01091.x
更新日期:2002-12-01 00:00:00
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章
doi:10.1111/j.1540-8183.2005.00392.x
更新日期:2005-02-01 00:00:00
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章,评审
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更新日期:2018-04-01 00:00:00
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journal_title:Journal of interventional cardiology
pub_type: 杂志文章
doi:10.1111/j.1540-8183.2012.00745.x
更新日期:2012-10-01 00:00:00
abstract:INTRODUCTION:Sirolimus-eluting stents (SES) have demonstrated low target vessel revascularizations and low incidence of angiographic restenosis in several clinical scenarios. The aim of the present study was to assess the efficacy and safety of SES for the treatment of proximal left anterior descending coronary artery ...
journal_title:Journal of interventional cardiology
pub_type: 杂志文章
doi:10.1111/j.1540-8183.2006.00119.x
更新日期:2006-04-01 00:00:00
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pub_type: 杂志文章
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更新日期:2020-05-07 00:00:00