Juxtaposition of the atrial appendages is a congenital heart defect in which the left and right atrial appendages (small, finger-like projections of the atria) are abnormally close together. This can lead to an increased risk of stroke and other complications.

The symptoms of Juxtaposition of the atrial appendages (JAA) vary depending on the severity of the condition. Common symptoms include shortness of breath, chest pain, palpitations, fatigue, dizziness, and fainting. In more severe cases, JAA can cause arrhythmias, heart failure, and stroke.

The most common cause of Juxtaposition of the atrial appendages is a congenital heart defect known as Atrial Septal Defect (ASD). This defect occurs when the wall between the two upper chambers of the heart (the atria) does not close completely during fetal development. This allows blood to flow between the two atria, resulting in the juxtaposition of the atrial appendages. Other causes of Juxtaposition of the atrial appendages include certain types of heart surgery, such as the Maze procedure, and certain types of heart disease, such as cardiomyopathy.

1. Atrial Septal Defect (ASD) Repair: This procedure involves closing the hole between the two atria with a patch or device.

2. Atrial Appendage Exclusion: This procedure involves removing the atrial appendages from the heart.

3. Atrial Appendage Ligation: This procedure involves tying off the atrial appendages to prevent blood from flowing through them.

4. Atrial Appendage Closure: This procedure involves using a device to close off the atrial appendages.

5. Atrial Appendage Transposition: This procedure involves moving the atrial appendages to a different location in the heart.

1. Congenital heart defects
2. Atrial septal defect
3. Patent foramen ovale
4. Atrial septal aneurysm
5. Atrial fibrillation
6. Cardiac surgery
7. Hypertension
8. Diabetes
9. Obesity
10. Smoking

At present, there is no known cure for Juxtaposition of the atrial appendages. However, medications such as anticoagulants and antiarrhythmic drugs may be used to reduce the risk of complications such as stroke and arrhythmias. Surgery may also be recommended in some cases.