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

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

doi:10.1056/nejmoa1616540

Public

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

Published in New England Journal of Medicine • Mar 18, 2017

Authors:

Matthias Götberg

Evald Høj Christiansen

Ingibjörg Jóna Guðmundsdóttir

Abstract

BACKGROUND: 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 clin...

Subject

Fractional flow reserve

Conventional PCI

Flow (mathematics)

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