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I have Danon Disease (a rare genetic disorder) as well as HCM, CHF,RBBB, MVR, TVR, LVH,VT, Afib with RVR, SVT. I'm just curious if eventually my symptoms will be harder to handle. I've had afib with RVR (since I was 21.im currently 39) 2ablations on my 2nd pacemaker and have had 6 cardio versions, and 2 heart attacks. I've never had a doctor talk to me bout what to expect as I get older.

July 1
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A MyHeartDiseaseTeam Member

@A MyHeartDiseaseTeam Member, you bring up a great point and a sad one. I, too, have a rare congenital deformity (Ebstein's anomaly), and you are right, no one ever talked to me about what to expect as I aged. Turns out that was because they really did not know. So many doctors focus on babies and children, but they grow up and need care.
Some Facebook groups help, but again, they mostly focus on babies. So, what I can tell you is that, yes, things will progress: the arrhythmias will become more frequent, and the CHF will worsen. However, that said, you have a lot of control over how you feel and how quickly things get worse. I am 73 now with severe Ebstiens, and I am doing better than most! My advice: Keep your weight down, watch your diet, exercise as much as you can, get as much restful sleep as you can, and stay positive and hopeful because science and technology are on your side. See if you can find a specialist anywhere who understands your congenital problem and how that problem affects all of the other parts of your body. I use myself as an example, when I was born, they did not know what was wrong with me, and today they can repair this defect in babies, and hopefully prevent some of the other problems that are a result of these defects. I just want to say I am here for you, and we have a group of us who have congenital heart defects. Why not join us? ❤️

PS My doctor is starting a department dedicated to adults with congenital heart defects. I will make an announcement when I have more information. I am in Atlanta, and it would be great to know if you have anything like this in your area.

July 2
MyHeartDiseaseTeam

How does heart failure progression and prognosis differ in Danon Disease compared to heart failure without Danon Disease?

Danon Disease is a rare genetic condition that directly affects the heart muscle, and heart failure associated with it tends to progress more rapidly and severely than typical heart failure. It often Show Full Answer

How does heart failure progression and prognosis differ in Danon Disease compared to heart failure without Danon Disease?

Danon Disease is a rare genetic condition that directly affects the heart muscle, and heart failure associated with it tends to progress more rapidly and severely than typical heart failure. It often appears at a younger age and can lead to advanced heart failure much sooner.

In contrast, general heart failure progresses through four stages (A to D), and many people can remain at earlier stages for years with proper management.

General heart failure symptoms by stage:

- Stage A: No symptoms yet, but risk factors are present
- Stage B: No symptoms, but structural heart changes are detected
- Stage C: Active symptoms such as shortness of breath, fatigue, swelling, and irregular heartbeat
- Stage D: Severe, persistent symptoms even at rest, not responding to standard treatments

With Danon Disease, patients often reach advanced stages faster, and standard heart failure treatments may have limited effectiveness, making heart transplant a more likely consideration at a younger age.

It's really important to work closely with a cardiologist — ideally one familiar with inherited heart conditions — to monitor progression and adjust treatment plans over time.

July 1

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