Instantaneous Wave-free Ratio versus Fractional Flow Reserve to Guide PCI | Zendy

Matthias Götberg | Zendy; Evald Høj Christiansen | Zendy; Ingibjörg Guđmundsdóttir | Zendy; Lennart Sandhall | Zendy; Mikael Danielewicz | Zendy; Lars Jakobsen | Zendy; S. Bertil Olsson | Zendy; Patrik Öhagen | Zendy; Hans Olsson | Zendy; Elmir Ömerovic | Zendy; Fredrik Calais | Zendy; Pontus Lindroos | Zendy; Michael Mæng | Zendy; Tim Tödt | Zendy; Dimitrios Venetsanos | Zendy; Stefan James | Zendy; Amra Kåregren | Zendy; Margareta Nilsson | Zendy; J. Carlsson | Zendy; Dario Hauer | Zendy; Jens Jensen | Zendy; Ann-Charlotte Karlsson | Zendy; Georgios Panayi | Zendy; David Erlinge | Zendy; Ole Frøbert | Zendy

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Instantaneous Wave-free Ratio versus Fractional Flow Reserve to Guide PCI

Author(s) -

Matthias Götberg,

Evald Høj Christiansen,

Ingibjörg Guđmundsdóttir,

Lennart Sandhall,

Mikael Danielewicz,

Lars Jakobsen,

S. Bertil Olsson,

Patrik Öhagen,

Hans Olsson,

Elmir Ömerovic,

Fredrik Calais,

Pontus Lindroos,

Michael Mæng,

Tim Tödt,

Dimitrios Venetsanos,

Stefan James,

Amra Kåregren,

Margareta Nilsson,

J. Carlsson,

Dario Hauer,

Jens Jensen,

Ann-Charlotte Karlsson,

Georgios Panayi,

David Erlinge,

Ole Frøbert

Publication year - 2017

Publication title -

new england journal of medicine

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 19.889

H-Index - 1030

eISSN - 1533-4406

pISSN - 0028-4793

DOI - 10.1056/nejmoa1616540

Subject(s) - medicine , fractional flow reserve , cardiology , hazard ratio , revascularization , confidence interval , clinical endpoint , myocardial infarction , conventional pci , angioplasty , unstable angina , rate ratio , randomized controlled trial , stenosis , coronary angiography

The instantaneous wave-free ratio (iFR) is an index used to assess the severity of coronary-artery stenosis. The index has been tested against fractional flow reserve (FFR) in small trials, and the two measures have been found to have similar diagnostic accuracy. However, studies of clinical outcomes associated with the use of iFR are lacking. We aimed to evaluate whether iFR is noninferior to FFR with respect to the rate of subsequent major adverse cardiac events.

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