Multi-center Trial of Transcatheter Edge-to-edge Mitral Valve Repair With ValveClamp System in High Risk Patients With Degerative Mitral Regurgitation
The ValveClamp (Hanyu Medical Technology, Shanghai, China) is the first edge-to-edge mitral valve repair system for interventional operation in China, which is composed of the front clamp, the rear clamp and the closed ring. The purpose of the multi-center trial is to evaluate the safety and efficacy of the ValveClamp for degenerative mirtal regurgistation.
• age older than 60 years;
• moderate to severe or severe mitral regurgitation;
• symptoms (New York Heart Association \[NYHA\] cardiac function class ≥2) related to MR;
• the primary regurgitant jet originated from malcoaptation of the A2 and P2 scallops of the mitral valve;
• high risk for surgery according the MVARC criteria;
• providing signed informed consent.