Treatment of Ebstein's anomaly depends on the severity of the defect and your signs and symptoms. The goal of treatment is to reduce your symptoms and avoid future complications, such as heart failure and arrhythmias. Treatments may include:
If you have no signs or symptoms or abnormal heart rhythms, your doctor may recommend only careful monitoring of your heart condition with regular checkups. Checkups typically include a physical exam, electrocardiogram, chest X-ray, echocardiogram and, if necessary, a Holter monitor test. Your doctor may also ask you to undergo an exercise test, such as walking on a treadmill. This test checks your heart's response to physical activity.
If you have heart rhythm disturbances, medications may help control heart rate and maintain normal heart rhythm.
Your doctor may also prescribe medications for signs and symptoms of heart failure, if you need them. These may include drugs that prevent water retention (diuretics) and other medications.
Surgical heart repair
Your doctor may recommend surgical repair when your signs and symptoms are affecting your quality of life or when your heart begins to enlarge and overall heart function begins to decrease. Having surgery at a younger age may lead to better outcomes. Because Ebstein's anomaly is rare, choose a surgeon who's familiar with the defect and who has experience performing procedures to correct it. Different types of procedures can be used to surgically treat Ebstein's anomaly and associated defects, including:
Tricuspid valve repair. This involves reducing the size of the valve opening and allowing the existing valve leaflets to come together to work properly. This procedure is usually done when there's enough valve tissue to allow for repair.
A newer technique for the repair of Ebstein's anomaly, called the cone procedure, uses the existing leaflets to form a cone that works like a valve.
- Tricuspid valve replacement. If the existing valve can't be repaired, it may be replaced by removing the deformed valve and inserting either a mechanical valve or a specially treated biological tissue (bioprosthetic) valve. If a mechanical valve is used, you'll need to take a blood-thinning medication for the rest of your life.
- Closure of the atrial septal defect (ASD). If a hole is present between the two upper champers of the heart (ASD), your surgeon can close the hole during surgery to repair or replace the defective valve.
- Maze procedure. Another procedure that doctors may perform during valve repair or replacement surgery is called a maze procedure. It's used to help correct fast heart rhythms in the atrium (atrial tachyarrhythmias). To do the procedure, your surgeon makes a series of incisions in the right atrium with a scalpel or a device that destroys tissue by freezing it. When these incisions heal, the scars create a barrier of tissue in your heart that causes it to beat at a normal rate. The Maze procedure is an open-heart surgery.
Radiofrequency catheter ablation
Radiofrequency catheter ablation is another procedure that can help treat a fast heartbeat or WPW syndrome. In this procedure, one or more catheters are threaded through your blood vessels to your inner heart, where the electrical impulses that cause your heart to beat are generated. Electrodes at the catheter tips are heated with radiofrequency energy. This destroys (ablates) a small spot of heart tissue and creates an electrical block along the pathway that's causing your arrhythmia. Usually, this stops your arrhythmia. However, this procedure may be less effective for treating people with Ebstein's anomaly than for those with other heart problems. Repeat procedures may be necessary.
If you have severe Ebstein's anomaly and poor heart function, a heart transplant may be necessary.
Apr. 25, 2013
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