The PMVR procedure, however, is typically performed under general anaesthesia. It has recently been shown in a first approach that performing the MitraClip® in deep sedation is feasible; however safety parameters and a direct comparison to general anaesthesia are still missing The aim of this study is to investigate the safety of deep sedation in patients undergoing the PMVR procedure and to evaluate how deep sedation in comparison to general anaesthesia influences procedural time and in-hospital stay.