Discordance Between Resting and Hyperemic Indices of Coronary Stenosis Severity | Zendy

Barry Hennigan | Zendy; Keith G. Oldroyd | Zendy; Colin Berry | Zendy; Nils P. Johnson | Zendy; John McClure | Zendy; Peter McCartney | Zendy; Margaret McEntegart | Zendy; Hany Eteiba | Zendy; Mark C. Petrie | Zendy; Paul Rocchiccioli | Zendy; Richard Good | Zendy; Martin M. Lindsay | Zendy; Stuart Hood | Zendy; Stuart Watkins | Zendy

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Discordance Between Resting and Hyperemic Indices of Coronary Stenosis Severity

Author(s) -

Barry Hennigan,

Keith G. Oldroyd,

Colin Berry,

Nils P. Johnson,

John McClure,

Peter McCartney,

Margaret McEntegart,

Hany Eteiba,

Mark C. Petrie,

Paul Rocchiccioli,

Richard Good,

Martin M. Lindsay,

Stuart Hood,

Stuart Watkins

Publication year - 2016

Publication title -

circulation cardiovascular interventions

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.621

H-Index - 95

eISSN - 1941-7632

pISSN - 1941-7640

DOI - 10.1161/circinterventions.116.004016

Subject(s) - fractional flow reserve , cutoff , medicine , cardiology , stenosis , revascularization , radiology , coronary angiography , myocardial infarction , physics , quantum mechanics

Distal coronary to aortic pressure ratio (Pd/Pa) and instantaneous wave-free ratio (iFR) are indices of functional significance of a coronary stenosis measured without hyperemia. It has been suggested that iFR has superior diagnostic accuracy to Pd/Pa when compared with fractional flow reserve (FFR).We hypothesized that in comparison with FFR, revascularization decisions based on either binary cutoff values for iFR and Pd/Pa or hybrid strategies incorporating iFR or Pd/Pa will result in similar levels of disagreement.

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