Centre procedural volume and adverse in-hospital outcomes in patients undergoing percutaneous transvenous edge-to-edge mitral valve repair using MitraClip® in Germany.

Annual numbers of MitraClip® implantations increased from 2011 to 2017 in Germany, whereas in-hospital mortality remained stable. Although patients treated in high-volume centres had a more unfavourable risk profile, in-hospital mortality was comparable to that of low-volume centres.