Cardiac (Heart)ProceduresAortic Arch Repair Aortic Root Repair Aortic Valve Surgery Atrial Fibrillation Surgery Coronary artery bypass grafts Heart Transplant Mitral Valve Surgery Pericardectomy Thoraco-Abdominal Repair Transcatheter Aortic Valve Implant (TAVI) GlossaryPatient JourneyOutpatient VisitPre-assessment ClinicHospital StayPost DischargeFollow-upMedicationsOutcome DataThoracic (Lungs)ProceduresBronchoscopy Chest Wall surgery Collapsed lung Empyema and Decortication Endobronchial Coils Endobronchial valves Lobectomy Lung Biopsy Lung Transplant Lung volume reduction Pectus Conditions Pleural Biopsy Pneumonectomy Sleeve Resection Thymectomy Tracheal resection Wedge Resection GlossaryPatient JourneyOutpatient VisitPre-assessment ClinicHospital StayPost DischargeFollow-upMedicationOutcome DataCongenital (Children)Congenital Heart Disease OverviewProceduresAtrial Septal Defect (ASD) Atrio Ventricular Septal Defect (AVSD) Coarctation of the Aorta Hypoplastic Left Heart Syndrome (HLHS) Patent Ductus Arteriosus (PDA) Patent Foramen Ovale (PFO) Pulmonary Valve Stenosis Transposition of the Great Arteries (TGA) Tricuspid Atresia Truncus Arteriosus Ventricular Septal Defect (VSD) GlossaryPatient JourneyOutpatient VisitPre-assessment ClinicHospital StayFollow-upMedicationsOutcome DataSupport GroupsCardiac Support GroupsThoracic Support GroupsCongenital Support GroupsSCTS Lay RepresentativeWellbeingWound ManagementFind a HospitalFind a ConsultantDonateUseful Information Home Patients Find a Consultant Mr Theodore Velissaris Find a Consultant Mr Theodore VelissarisLast updated: 3 Jan 2024GMC: 4249887Areas of Practice: Adult CardiacRegion: South CentralHospitals: Southampton General Hospital and Spire Southampton Hospital Profile Cardiac Committees Addresses I have been a Consultant Cardiac Surgeon since 2009. I was initially appointed in Manchester and since 2013 I have been practising in Southampton.Training AttendedMedical School, University of Patras, Greece House Officer, Southampton Basic Surgical Training, Cardiff Basic Cardiac Surgical Training, London and Sheffield Higher Cardiac Surgical Training, SouthamptonQualifications & AccreditationsMedical degree, University of Patras, Greece, 1995 Membership of the Royal College of Surgeons, Royal College of Surgeons of Edinburgh, 1998 DM thesis, University of Southampton, 2007 Fellowship of the Royal College of Surgeons in Cardiothoracic Surgery, 2007 Certificate of Completion of Training in Cardiothoracic Surgery, 2008 Adult Cardiac Surgery SCTS CommitteesThis consultant has not been a member of any SCTS committees. Addresses This consultant has not added any addresses to their public profile. View all Consultants