Percutaneous interventional mitral regurgitation treatment using the Mitra-Clip system

P Boekstegers, J Hausleiter, S Baldus, R S von Bardeleben, H Beucher, C Butter, O Franzen, R Hoffmann, H Ince, K H Kuck, V Rudolph, U Schäfer, W Schillinger, N Wunderlich, Germany Society of Cardiology Working Group on Interventional Cardiology Focus Group on Interventional Mitral Valve Therapy