FFR: It's Not Just About Luminal Narrowing Vasodilatory abnormalities also important in stenosis, review says
Plaque can lead to abnormal fractional flow reserve (FFR) — and subsequent acute coronary syndrome (ACS) — not only because of luminal narrowing, but also because of the atherosclerotic vessel wall’s impaired ability to relax and widen, a review in JAMA Cardiology suggests.