ADDED Index or percentage diameter of residual coronary stenosis to risk-stratify patients presenting with STEMI.

Abstract Background. We compared the prognostic value of the ADDED Index with visually estimated diameter (DS) of residual coronary stenosis (RS) in STEMI patients after successful PCI of the culprit lesion. Background. Even though associated with a positive outcome, the functional assessment of non-culprit stenosis remains largely underused, especially in STEMI patients. The Angiography-DeriveD hEmoDynamic index (ADDED index) showed high accuracy to predict FFR and it might be used to better guide the diagnostic and therapeutic work-up of such patients. Methods. We retrospectively included 596 patients grouped on the basis of either the ADDED Index (ADDED Negative (