Patients with heart valve disease Social security rights Walailak University Hospital received heart valve repair surgery services (Mitral Valve Repair + TV annuloplasty) on August 30, 2023, led by Dr. Somchai Waikittiphong, thoracic surgeon, resident physician at Walailak University Hospital. And received cooperation from the team of cardiologists, vascular and thoracic surgeons, as well as