End-Diastolic Fractional Flow Reserve | Zendy

David Chalyan | Zendy; Zhang Zhang | Zendy; Shigeho Takarada | Zendy; Sabee Molloi | Zendy

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End-Diastolic Fractional Flow Reserve

Author(s) -

David Chalyan,

Zhang Zhang,

Shigeho Takarada,

Sabee Molloi

Publication year - 2014

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.113.000327

Subject(s) - fractional flow reserve , diastole , cardiology , medicine , circumflex , artery , blood pressure , coronary angiography , myocardial infarction

Diastolic fractional flow reserve (dFFR) has been shown to be highly sensitive for detection of inducible myocardial ischemia. However, its reliance on measurement of left-ventricular pressure for zero-flow pressure correction, as well as manual extraction of the diastolic interval, has been its major limitation. Given previous reports of minimal zero-flow pressure at end-diastole, we compared instantaneous ECG-gated end-diastolic FFR with conventional full-cardiac cycle FFR and other diastolic indices in the porcine model.

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