Fixing Heart Valve Leaks Without Open Heart Surgery
A breakthrough innovation using such a device is making it possible for more people with something called mitral valve regurgitation to be treated with a minimally invasive procedure – rather than undergo open heart surgery to repair or replace the valve.
You probably know your heart pumps blood through its chambers and into the body. But did you know heart valves keep blood flowing in the right direction? That’s what the mitral valve does. It moves oxygen-rich blood from the left atrium into the left ventricle. The mitral valve’s two leaflets open and close quickly to allow blood to move forward while preventing it from escaping backward into the left atrium.
Why Does the Heart Valve Leak?
Sometimes the leaflets don’t close completely. This can occur when special chords which attach the leaflets to your heart muscle stretch or become ruptured. When that happens, the valve leaks and lets blood flow backward. This is calledmitral regurgitation. It can be mild to severe and symptoms include:
- Shortness of breath
- Excessive urination
Sometimes, the mitral valve is pulled apart and leaks from the center. Called secondary mitral regurgitation, this happens in people with atrial fibrillation, heart failure or other heart conditions.
How is the Leaky Heart Valve Fixed?
Treatment options for MR traditionally included medication for mild cases and open heart surgery for more severe MR. More recently, a minimally invasive procedure was developed which involves implanting a special device in the leaky portion of the mitral valve.
It works like this:
- A small puncture is made in the femoral artery in the groin
- Using imaging technology, the precise location of leakage is determined
- The device, which resembles a clip or a staple, is attached to the valve
- Leakage is eliminated or minimized
Contact a志健康科学家for more information.
HINANSHU AGARWAL博士是一位介入心脏病专家，目前担任主任Structural Heart Program at CHI Health Heart and Vascular Institutein Omaha, Nebraska.