Abstract

Secondary mitral regurgitation (MR) has a complex pathophysiology that includes global or segmental left ventricular (LV) motion abnormalities (of non-ischaemic or ischaemic origin) leading to impaired leaflet coaptation of a normally structured mitral valve (MV). In this context, the LV functional and geometrical changes result in MV leaflet tethering, MV annulus flattening and the decrement of systolic MV closing forces. In light of its complexity, management of secondary MR remains a challenge. In fact, a long-lasting successful treatment using a single medical device and/or intervention that addresses solely the MV target cannot, at least at the present time, be proposed.

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