This movie shows that there is no aortic valve insufficiency following Melody-in-incomplete-ring procedure. This is a very importatnt finding, because up until this point, it was generally believed that absence of a ring along the anterior leaflet would result in deformation of the aortic valve due to the mitral-to-aortic valve fibrous continuity. These experiments proved that this was indeed not true.
View full article: Transcatheter Mitral Valve Replacement: Update on New Devices.