Heart valve repair without open surgery
A major innovation are the recent reports of success in replacing or repairing diseased or damaged aortic or mitral valves via catheter-based techniques instead of open surgery.
Mitral regurgitation is when the valve becomes unable to close tightly. Once the regurgitation becomes sufficiently severe to cause heart failure, the death rate reaches about 5% per year. Most such individuals are referred for cardiac surgery to either try to repair the valve, …