Artist illustration of the iFR “Wave Free Period”
As previously reported on Angioplasty.Org, a new method for the functional measurement of intracoronary pressures and the severity of blockages has been developed by researchers at Imperial College in London. One of the main advantages of this new method, called Instant Wave-Free Ratio™ (iFR), is that, unlike standard fractional flow reserve (FFR), it does not require injection of a vasodilator drug, such as adenosine, to induce stress on the heart. The result is that the procedure is more comfortable for the patient and potentially useable in clinical scenarios where vasodilation is not feasible, such as acute coronary syndromes, infarctions, unstable patients, patients with breathing problems; it may also be somewhat quicker, easier to use, and more cost-effective.
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For several years now, I’ve been advocating for expanded use of functional measurement, otherwise known as 
This weekend Richard R. Heuser, MD, FSCAI and John E. Lassetter, MD, FSCAI of St. Luke’s Hospital and Medical Center in Phoenix, Arizona will be conducting 
Dr. Paul Chan 
Dr. Ralph Brindis is the Immediate Past President of the American College of Cardiology and helmed the National Cardiovascular Data Registry (NCDR) since its inception in 1997 — this is the registry that was the source for the data analyzed and reported in yesterday’s JAMA study, “
Dr. Jack Hall, Program Director at St. Vincent’s Heart Center in Indianapolis, Indiana will be heading a faculty of transradial experts on Saturday. The “
I had a chance to talk with Alan C. Yeung, MD, FACC of Stanford about the RESOLUTE US study just presented at the 60th Annual Scientific Session of the American College of Cardiology (ACC). He was one of the principal investigators of this study, which was just sent to the FDA as the final component of Medtronic’s approval submission package. The company is hoping for U.S. approval in the first half of 2012. 
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