Feature tracking and mapping analysis of myocardial response to improved perfusion reserve in patients with refractory angina treated by coronary sinus Reducer implantation: a CMR study

Anna Palmisano, Francesco Giannini, Paola M. V. Rancoita, Guglielmo Gallone, Giulia Benedetti, Luca Baldetti, Georgios Tzanis, Davide Vignale, Caterina Beatrice Monti, Francesco Ponticelli, Marco Ancona, Matteo Montorfano, Alessandro Del Maschio, Francesco De Cobelli, Antonio Colombo, Antonio Esposito