Heart Valve Surgery

Heart valve surgery is a procedure to treat heart valve disease. Heart valve disease involves at least one of the four heart valves not working properly. Heart valves keep blood flowing in the correct direction through your heart. The four valves are the mitral valve, tricuspid valve, pulmonary valve, and aortic valve. Each valve has flaps — called leaflets for the mitral and tricuspid valves and cusps for the aortic and pulmonary valves. These flaps open and close once during each heartbeat. Valves that don’t open or close properly disrupt blood flow through your heart to your body.
In heart valve surgery, your surgeon repairs or replaces the affected heart valves. Many surgical approaches can be used to repair or replace heart valves, including open-heart surgery or minimally invasive heart surgery.

Types of Replacement Valves?

Believe it or not, heart transplantation is a relatively simple operation for a cardiac surgeon. In fact, the procedure actually consists of three operations.

The first operation is harvesting the heart from the donor. The donor is usually an unfortunate person who has suffered an irreversible brain injury, called “brain death“. Very often these are patients who have had major trauma to the head, for example, in an automobile accident. The victim’s organs, other than the brain, are working well with the help of medications and other “life support“ that may include a respirator or other devices. A team of physicians, nurses, and technicians goes to the hospital of the donor to remove donated organs once the brain death of the donor has been determined.

The removed organs are transported on ice to keep them alive until they can be implanted. For the heart, this is optimally less than six hours. So, the organs are often flown by airplane or helicopter to the recipient’s hospital.
Mechanical and biologic valves are used to replace faulty valves. Mechanical valves are artificial components that have the same purpose as a natural heart valve. They’re created from carbon and polyester materials that the human body tolerates well. They can last between 10 and 20 years. However, one of the risks associated with mechanical valves is blood clots. If you receive a mechanical heart valve, you’ll need to take blood thinners for the rest of your life to reduce your risk of stroke.

Biologic valves, also called bioprosthetic valves, are created from human or animal tissue. There are three types of biologic heart valves:

  1. An Allograft or homograft is made of tissue taken from a human donor’s heart.

  2. A porcine valve is made from pig tissue. This valve can be implanted with or without a frame called a stent.

  3. A bovine valve is made from cow tissue. It connects to your heart with silicone rubber.






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OM Eye & Heart Care(Vishrantwadi)
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Copyright by DMS Solutions 2020. All rights reserved.

Copyright by DMS Solutions 2020. All rights reserved.