St. Jude Medical, Inc. (NYSE:STJ) applauds the updated level of evidence for Fractional Flow Reserve (FFR)-guided treatment in the Guidelines on Percutaneous Coronary Intervention (PCI). The American College of Cardiology (ACC)/American Heart Association (AHA)/Society for Cardiovascular Angiography and Interventions (SCAI) guidelines upgrade the level of evidence for FFR, a physiological measure of coronary stenosis, from a "B" to an "A" because of new research conducted to determine its efficacy; the landmark FAME (Fractional Flow Reserve (FFR) vs... 
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