Tricuspid regurgitation (patient information): Difference between revisions
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Revision as of 18:24, 28 July 2011
For the WikiDoc page for this topic, click here
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Tricuspid regurgitation is a disorder in which the heart's tricuspid valve does not close properly, causing blood to flow backward (leak) into the right upper heart chamber (atrium) when the right lower heart chamber (ventricle) contracts.
Causes
The tricuspid valve separates the right lower heart chamber (the right ventricle) from the right upper heart chamber (right atrium). The most common cause of tricuspid regurgitation is swelling of the right ventricle. Such swelling may be a complication of any disorder that causes failure of the right ventricle. Tricuspid regurgitation may also be caused by or made worse by valve disease on the left side of the heart such as mitral regugitation and mitral stenosis. Other diseases can directly affect the tricuspid valve. The most common of these is rheumatic fever, which is a complication of untreated strep throat infections. Tricuspid regurgitation may be found in those with a type of congenital heart disease called Ebstein's anomaly. Other infrequent causes of tricuspid regurgitation include:
- Carcinoid tumors, which release a hormone that damages the valve
- Marfan syndrome
- Injury
- Rheumatoid arthritis
- Radiation therapy
Another important risk factor for tricuspid regurgitation is use of the diet medications called "Fen-Phen" (phentermine and fenfluramine) or dexfenfluramine.
Diagnosis
The health care provider may detect abnormalities when when gently pressing with the hand (palpating) on your chest. The doctor may also feel a pulse over your liver. The physical exam may reveal liver and spleen swelling. Listening to the heart with a stethoscope shows a murmur or abnormal sounds.There may be signs of fluid collection in the abdomen. An ECG or echocardiogram may show swelling of the right side of the heart. Doppler echocardiography or right-sided cardiac catheterization are used to measure blood pressures inside the heart and lungs.
Treatment options
Treatment may not be needed if there are few or no symptoms. Hospitalization may be required for diagnosis and treatment of severe symptoms. Swelling may be managed by medications (diuretics) that help remove fluids from the body. Underlying disorders should be identified and treated. Some people may be able to have surgery to repair or replace the tricuspid valve. When surgical treatment is done it is usually done as part of another procedure, most commonly mitral valve repair for mitral regurgitation.
When to seek medical care?
Call your health care provider if symptoms of tricuspid regurgitation are present.
What to expect (Outook/Prognosis)?
Treatment of any underlying conditions, especially high blood pressure in the lungs and swelling of the right lower heart chamber, may correct the disorder. Surgical valve repair or replacement usually provides a cure. However, persons with severe tricuspid regurgitation that cannot be corrected may have a poor prognosis.
Possible Complications
- Worsening of heart failure
- Endocarditis
- Cirrhosis
- Weight loss
- Loss of appetite
Prevention
Prompt treatment of disorders that can cause valve disease reduces your risk of tricuspid regurgitation. Treat strep infections promptly to prevent rheumatic fever. Any invasive procedure, including dental work and cleaning, can introduce bacteria into your bloodstream. The bacteria can infect a damaged mitral valve, causing endocarditis. Always tell your health care provider and dentist if you have a history of heart valve disease or congenital heart disease before treatment. Taking antibiotics before dental or other invasive procedures may decrease your risk of endocarditis.
Sources
http://www.nlm.nih.gov/medlineplus/ency/article/000169.htm
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