Atrial fibrillation after arterial catheterization and how to defibrillate?

Patient.
  I had an arterial catheterization and mitral annuloplasty in 2000, but I have been having atrial fibrillation since then, which is said to be permanent and requires long-term medication. Wang Jing, Department of Cardiovascular Medicine, Fu Wai Hospital, Beijing
  The left atrium and left ventricle are obviously enlarged, the pulmonary valve, the second and tricuspid valves have a small amount of regurgitation, the septal motion is lost, and the arterial catheter has a small amount of left-to-right shunt. I was told that I need to take medication for a long time, and the effect of surgery is not obvious.
  What can I do to defibrillate my heart and can I have radiofrequency surgery? Can I improve my heart function if I have another surgery?
 
Wang Jing, Department of Cardiovascular Medicine, Fu Wai Hospital, Beijing.
  The atrium has been enlarged, such as 45mm or more, and it has lasted for 8 years, no resuscitation may be able to control the ventricular rate but there is no need to worry, a well controlled ventricular rate will not affect the survival time.
  Whether you need to operate again, depending on your post-arterial catheterization left-to-right flow, a small amount of the concept is too vague, specifically consult your local surgeon who did the surgery.