Ricardo A Spampinato, Mateo Marin-Cuartas, Antonia van Kampen, Florian Fahr, Franz Sieg, Elfriede Strotdrees, Cosima Jahnke, Kristin Klaeske, Karoline Wiesner, Jordan E Morningstar, Yasufumi Nagata, David Izquierdo-Garcia, Maja-Theresa Dieterlen, Russell A Norris, Robert A Levine, Ingo Paetsch, Michael A Borger
PURPOSE: Mitral valve prolapse (MVP) is associated with left ventricle (LV) fibrosis, including the papillary muscles (PM), which is in turn linked to malignant arrhythmias. This study aims to evaluate comprehensive tissue characterization of the PM by cardiovascular magnetic resonance (CMR) imaging and its association with LV fibrosis observed by intraoperative biopsies. METHODS: MVP patients with indication for surgery due to severe mitral regurgitation (n = 19) underwent a preoperative CMR with characterization of the PM: dark-appearance on cine, T1 mapping, conventional bright blood (BB) and dark blood (DB) late gadolinium enhancement (LGE)...
October 28, 2023: International Journal of Cardiovascular Imaging