Hi Sir/Madam

I am Sankar.My brothers heart operation(Aortic Valve replacement) held before three years ago.He is 22 years old. Now he is getting haziness.he went to the doctor, Doctor said haziness coming due to transfer of blood clots to brain.he is taking depletta a-75 for that from 1 year.Is there any cure for that or he have to continue it life long. Please reply to this as fast as possible.

Thanks and Regards.