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Doctor insights on: Why Do People With Artificial Heart Valves Have To Take Blood Thinners

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Why do people with artificial heart valves have to take blood thinners?

Why do people with artificial heart valves have to take blood thinners?

Risk x clots: Artificial valves statistically are more prone to cause clots. Red blood cells crash against their hard surfaces triggering the cascade for clotting. This does not occur with bio prosthetic valves made of animals like pigs, or cadaver duramadre( meningeal layer). ...Read more

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Dr. Michael Gabor
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Valve (Definition)

A valve is a structure that regulates the direction of flow. The heart is a special kind of pump. It moves blood by squeezing and relaxing. There are 4 chambers and each chamber has a valve. This keeps blood from moving backwards when the heart squeezes. When a chamber squeezes it lets the blood move forward but when the chamber is relaxed it prevents the blood from ...Read more


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How safe are artificial heart valves?

How safe are artificial heart valves?

Quite safe: In this day in age, several hundred thousand of these procedures have been performed successfully. Three types of valves: animal (porcine or bovine), bioprosthetic, mechanical. The latter requires long term blood thinners and blood test have to be performed periodically to ensure the blood is thinned enough. The latter tends to have a longer life, too. ...Read more

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Why are artificial heart valves important?

Why are artificial heart valves important?

Artificial heart : They are important as a therapeutic option for patients whose native valves are causing severe trouble. Without the option their outcome can be very poor. ...Read more

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When heart valves are slightly affected during rheumatic fever, can it still pump enough blood and nutrients around the body?

When heart valves are slightly affected during rheumatic fever, can it still pump enough blood and nutrients around the body?

Many do: After the primary infection has resolved, the patient may do well. Damage is variable but also can evolve over time. A person may function quite well for years but end up needing a valve or valves replaced at some point in the future. Regular follow up with a heart specialist should be expected. ...Read more

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How is an artificial heart valve inserted into the b body?

How is an artificial heart valve inserted into the b body?

Surgery or Catheter: Traditionally, open heart surgery was the only way to replace heart valves. Techniques have now been developed to repair or replace some heart valves using catheters using less invasive methods (i.e. Closed chest procedures). ...Read more

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What are the materials in an artificial heart valve?

What are the materials in an artificial heart valve?

See below: The structure of the current st jude valve, the most commonly used valve, is made of graphite with a prolytic carbon coating. There is a sewing cuff which is a ring around the valve shich is made of synthetic fiber like polyester, or teflon, or dacron. ...Read more

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I am 87 and in extremely good health, take no medications. have 2 leaky heart valves, left side. Heart pounding sound at night. Is Mitra clip for me ?

I am 87 and in extremely good health, take no medications. have 2 leaky heart valves, left side. Heart pounding sound at night. Is Mitra clip for me ?

Maybe.: At your age treatment should be based upon improving quality of life. If you feel great and have no functional limitations doing surgery to "improve" your condition sounds like a tough sell. "No surgery" is always an option. ...Read more

Dr. Boris Aronzon
523 doctors shared insights

Blood Thinners (Definition)

Agents which slow ;/or break down blood clot formation in up to 3 different ways (they do not decrease blood viscosity; thickness.) (1) some inhibit platelet function (e.g. Aspirin, clopidogrel, etc.). (2) others interfere with some of the clot forming proteins (warfarin, dabigatran, rivaroxaban, etc.), (3) others stimulate the blood clot destruction ...Read more