The present study aimed to prospectively evaluate whether application of the concept of fractional flow reserve (FFR) guides the immediate decision to perform or to defer coronary angioplasty in unselected consecutive patients with one or more angiographically intermediate (50-70%) stenoses and non-conclusive or lacking non-invasive testing.
Department of Cardiology, Cardiac Catheterization Lab., Ospedale di Circolo e Fondazione Macchi, University Hospital, Varese, Italy. edoardo.verna@virgilio.it
