Three-dimensional transoesophageal echocardiography for the assessment of clip attachment to the leaflets in percutaneous edge-to-edge repair of the mitral valve

Daniel Braun1,2,3*, MD; Martin Orban1,2,3, MD; Fabian Michalk1,3, MD; Petra Barthel1,3, MD; Katharina Hoppe1,3, MD; Carolin Sonne1,3, MD; Hasema Lesevic1,3, MD; Jürgen Pache1,3, MD; Julinda Mehilli1,2,3, MD; Adnan Kastrati1,3, MD; Jörg Hausleiter1,2,3, MD; Steffen Massberg1,2,3, MD