Background: In specific patients with severe mitral regurgitation (MR), mitral valve (MV) pathology is unique and requires creative transcatheter repair techniques. This study aimed to evaluate the feasibility and safety of a new transcatheter MV repair technique, using occluder devices in symptomatic high-surgical-risk patients with severe MR, either due to MV leaflet (MVL) perforations or due to post-clips residual MR, and to report on their 6-month outcomes.
Methods: The study enrolled all high-risk patients with severe MR due to MVL perforations and post-clips residual MR who underwent transcatheter MV repair using occluder devices, from November 2016 to August 2019.
Introduction: The systemic load on the right ventricle (RV) after Senning atrial switch leads to ventricular dysfunction. Quantitative assessment of RV contractile reserve is mandatory to anticipate the need for anti-fibrotic treatment. We aimed to quantitatively assess RV contractile reserve in Senning children by estimating speckle-based global longitudinal strain (GLS) during dobutamine stress echocardiography (DSE).
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