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?
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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