CardioExchange Archive

February 6th, 2013

FFR vs. iFR: All That Glitters Is Not Gold

Richard A. Lange, MD, MBA and L. David Hillis, MD

David Hillis and Rick Lange consider new evidence that iFR is not an acceptable substitute for FFR. Does the need for adenosine administration hinder the use of FFR to guide management decisions?

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May 22nd, 2012

iFR: A New Tool to Measure Functional Ischemia

Justin E Davies, MD, PhD, Richard A. Lange, MD, MBA and L. David Hillis, MD

The instantaneous wave-free ratio (iFR) is a pressure-derived  index of stenosis severity that does not require adenosine administration. The index was introduced at the 2011 TCT conference and validated by the results of the ADVISE study, published in December 2011. Following a series of presentations at the recent EuroPCR congress, Dr. Justin Davies answers questions […]

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