Protopapas Eleftherios

Protopapas Eleftherios Cardiac Surgeon

2nd Pediatric Cardiac Surgery Department

Education & Academic Qualifications


  • Medical Degree: Medical School of University of Ioannina (2003)
  • Specialty of Cardiothoracic Surgery (2013)
  • MSc in ”Thoracic Oncology : Clinical approach and Research” Medical School of National and Kapodistrian University of Athens (2015)


  • Advance Trauma Life Support ATLS (2004/ University of Ioannina) By American College of Surgeons
  • Emergency Prehospital Medicine -14th ΕΠΙ (2007-2008/ ΕΚΑΒ) by National Emergency Aid Center
  • Advance Life Support Provider Course -ALS (3.2013/Onassis Cardiac Center) by European Rescucitation Council (ERC)
  • Advance Paediatric Life Support – APLS (6.2015/Iaso Hospital) by Advanced Life Support Group (ALSG), Manchester, UK
  • Postgraduate Surgical Workshops on Arterial Switch Operation, On Ross operation, on Konno Operation


• «Χειρουργική αντιμετώπιση των ασθενών με βρογχοκυψελιδικό καρκίνωμα (BAC). Αναδρομική καταγραφή και μελέτη.», Published in Health Sciences Library of University of Athens

Board Member

• Member of the Hellenic Society of Thoracic and Cardiovascular Surgeons

• Full Member of European Congenital Heart Surgeons Association (ECHSA)

• Member of General Medical Council GMC-UK (Reg. No: 7852451)

• Board Member of Research Committee in European Congenital Heart Sur-geons Association (ECHSA)

• Member of Association for European Paediatric and Congenital Cardiology (AEPC), 2017

• Board member ( Gen. secretary) Of Hellenic Sports Medicine Society (Α-ΘΛΕΤΙΑ)


• World Journal for Pediatric and Congenital Heart Surgery

• Cardiology in the Young

• Contributor to the Journal Watch of the World University for Pediatric and Congenital Heart Surgery (WUPCHS)



Professional Experience

• Consultant as Cardiac Surgeon at the 2nd Department of Pediatric Heart Surgery at MITERA Children’s Hospital, Athens, Greece (2021- till today)

• Member of Athens Heart surgery Institute and Associate Cardiac Surgeon in private Hospitals (Athens Medical Center, EuroClinic, Metropolitan General Hospital) (2020-2021)

• Consultant as Cardiac Surgeon at Department of Pediatric and

• Congenital Heart Surgery at IASO Children’s Hospital, Athens, Greece (2013-2020)

• Private Office in Lesvos island (2018)

• Residency in cardiac transplants and mechanical circulatory support 

Transplant Unit of Onasis Cardiac Center (2010-2013)

• Residency in Thoracic Surgery at 1st Department of Thoracic

Surgery at the Chest Disease Hospital Of Athens ” ΣΩΤΗΡΙΑ¨ (2010-2012)

• Residency in Cardiac Surgery at 1st Department of Cardiac Surgery and Transplant Unit in Onasis Cardiac Center (2009-2013)

• Residency in General Surgery at 1st Hospital of IKA (2006-2009)

• Rural Practice in General Hospital of Korinthos (2005-2006)

• Greek army duty as general doctor (2004)

Clinical and Research Interest

Clinical Interest: 

• Pediatric Cardiac surgery

• Tetralogy of Fallot

• Heart Transplant

• Mechanical Circulation Assist Devices (ECMO-VAD)

• Sports Medicine

• Medical statistics

• Multicenter Registries

• Use of Artificial Intelligence in Medicine

• 3D-Printing in Medicine 

Research Interest:  

• Site Coordinator in Edwards Sapien Aortic Bioprosthesis European Outcome Registry “SOURCE” (4.2009-5.2013 /Onasis Cardiac Center)

• As Principal Investigator in multicenter Registries:

o “Aorto-Ventricular Tunnel” by ECHSA-WSPCHS

o “3D Printing European Registry” by ECHSA

o “COVID-19 International Congenital Heart Disease Taskforce” by ECHSA-WSPCHS-CHSS

o “EUROFONTAN-International Fontan Study_EUROPE” by ECHSA

o “AAOCA European Prospective Registry” by ECHSA

o “Pulmonary Valve Replacement in patients with TOF” by writing group for the STS/WSPCHS Clinical Practice Guidelines (CPG)

o Artificial Intelligence (AI) in Medicine co-ordinated by Massachusetts Institute of Technology (MIT)-Dr Bertsimas


Recent Publications

• “The results of arterial switch surgery for transposition of the great arteries: the European Congenital Heart Surgeons Association (ECHSA) Congenital Database and Children’s City Clinical Hospital named after N.F. Filatov database” in Kardiologiya I serdechno-sosudistaya khirurgiya. June 2022 DOI: 10.17116/kardio202215041327

• “Diagnostic Yield of Non-Invasive Testing in Patients with Anomalous Aortic Origin of Coronary Arteries: A Multicentric Experience. Congenital Heart Disease, 17(4), 375–385 DOI:

• “COVID-19 International Congenital Heart Surgery Taskforce. Early Impact of the COVID-19 Pandemic on Congenital Heart Surgery Programs Across the World: As-sessment by a Global Multi-Societal Consortium.” World J Pediatr Congenit Heart Surg. 2020 Nov;11(6):689-696. doi: 10.1177/2150135120949462. Epub 2020 Aug 26 ( in top 3 readed and cited articles of World journal)

• «Η χρήση της τρισδιάστατης εκτύπωσης στην καρδιοχειρουργική αντιμετώπιση Σύ-μπλοκων Συγγενών και άλλων Δομικών Καρδιοπαθειών» στην Ελληνική Καρδιολο-γική Επιθεώρηση.

• “The Use of Three-Dimensional Printing in Complex Cardiovascular Disease: Our 5-year Experience in Greece” In Clin Surg. 2020; 5: 2902.

• “Surgical Management of Aorto-Ventricular Tunnel. A Multicenter Study” in Semi-nars in Thoracic and Cardiovascular Surgery, 2020 32(2), 271–279.

• “Late management of the aortic root after repair of tetralogy of Fallot: A European multicenter study.” In J Cardiac Surg. 2020; 35: 40– 47.

• “Remarkably Still Repairable Large Aortopulmonary Window in an Adult Patient” In World Journal for Pediatric and Congenital Heart Surgery,Vol 11, (1),p.117-119

• “Anomalous aortic origin of coronary arteries: Early results on clinical management from an international multicenter study.” In International Journal of Cardiology, Vol. 291, 15.09.2019, p. 189-193

• “Left-Sided Reoperations After Arterial Switch Operation: A European Multicenter Study” in Ann Thorac Surg. 2017 Sep;104(3):899-906. doi: 10.1016/j.athoracsur.2017.04.026. Epub 2017 Jul 12.


2 Chapters in the book named «Σύγχρονη Παιδοκαρδιολογία και Συγγενείς Καρδιοπάθειες Ενηλίκων» published by the Hellenic Society of Cardiology (HSC) written in Greek

• Chapter 9 “Ebstein Disease”

• Chapter 27 “Subvalvular Aortic Stenosis”