Vascular surgeons - Angiologists with experience in Θρόμβωση

Tziogios Konstantinos is a Vascular Surgeon - Angiologist with a private practice in Agia Paraskevi. He holds a PhD and a degree from the University of Rome and is specialized in endovascular arterial surgery, endovascular venous surgery, and telangiectasias. Furthermore, the doctor has extensive experience in the painless removal of unsightly varicose veins using the new 1470 nm laser and the revolutionary radial fiber, carotid artery stenosis repair, restoration of circulation in the upper and lower limbs, and the removal of aneurysms of the abdominal aorta, iliac, femoral, and popliteal arteries. He has served as Director, Scientific Director, and collaborator of the vascular surgery clinic at the Athens Medical Center, Palaio Faliro Clinic, and is currently the Director of the Vascular Surgery Clinic at Metropolitan Hospital.

Ksiromeritis Konstantinos MD, MSc, PhD is a Vascular Surgeon - Angiologist with private practices in Ilisia and Cholargos. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and completed his specialty training in Vascular Surgery at the First Surgical Clinic of the University of Athens at the General Hospital "Laiko." Dr. Ksiromeritis received further training at the University of Munich as a specialized vascular surgeon at the Klinik für Gefäßchirurgie, Klinikum rechts der Isar der Technischen Universität München. Ksiromeritis Konstantinos specializes in Vascular and Endovascular Surgery - Treatment of Varicose Veins with Endovenous Laser. Additionally, he has contributed to the authorship of textbooks on Surgery and Anatomy, as well as a significant number of scientific publications in Greek (4) and international (29) journals. In the context of continuous professional development, Dr. Ksiromeritis consistently attends numerous educational seminars, emphasizing that medical guidelines, proposals, or advice must invariably adhere to the principles of evidence-based medical science.

Moustardas Marios MD, MSc, PhD, FICA is a Vascular Surgeon - Angiologist, Director of the Vascular Surgery Department at the "Iasis" clinic in Chania, where he also sees patients in a private practice in Marousi. He holds a doctoral thesis in the Surgical Sector of the Medical School of the National and Kapodistrian University of Athens and a medical degree from Aristotle University of Thessaloniki. Additionally, he received advanced training in endovascular surgery at the European Vascular Masterclass in Amsterdam and in the use of laser for the treatment of varicose veins. Throughout his career, he has worked at numerous hospitals in Greece as an Attending Physician, in some of which he has served as Deputy Director, equipping him with the appropriate knowledge and experience to handle all vascular surgical cases. In his clinics, he employs the endovascular method – placement of stent grafts – and is capable of performing angioplastic restorations with balloons or stent placement in both central and peripheral vessels. Finally, he has published articles in international surgical scientific journals and maintains a continuous presence at Greek and international conferences on Vascular and Endovascular Surgery.

Georgios Xatzantonis is a vascular surgeon-endovascular surgeon. He trained at one of the largest centers for diabetic foot management and vascular access (fistula) in Germany and specializes in innovative endovascular techniques, having performed over 2,000 related procedures on hemodialysis patients in Germany and Greece. He is the head of the Vascular Access Center at Errikos Dunant Hospital, as well as the head of the Vascular Access Department at the 2nd Vascular Surgery Clinic, National and Kapodistrian University of Athens, at GNA “Laiko” Hospital. Mr. Xatzantonis is the pioneer behind the establishment of the first vascular access center in Greece, recognized by the international Vascular Access Society as a training center for vascular access surgery for hemodialysis patients. Finally, the physician is a scientific collaborator at Errikos Dunant Hospital, Mediterraneo Hospital, and GNA “Laiko” Hospital.

Doundoulakis Konstantinos is a Vascular Surgeon - Angiologist with a private practice in Ilisia. He graduated from the Medical School of Health Sciences at the National and Kapodistrian University of Athens, specializing in Vascular Surgery under the Medical Association of North Rhine-Westphalia, Germany. He trained as a General Surgery Surgeon at the General Hospital of Piraeus, Tzaneio, and specialized in General Surgery and Vascular Surgery at Ludmillenstift Krankenhaus Meppen. He has worked as a Vascular Surgeon at the Vascular Surgery Clinic of Elisabeth Krankenhaus Essen, as a consultant in the Second Vascular Surgery Clinic at Uniklinik Magdeburg, and in the First Vascular Surgery Clinic at Klinikum Brandenburg an der Havel. From 2020 to 2024, he served as a Consultant in the First Vascular Surgery Clinic at the "Errikos Dynan" Hospital, where he currently holds the position of Deputy Director. Finally, in his practice, he manages cases across the full spectrum of vascular surgery and angiological conditions, with noted expertise in endovascular vein surgery, nephropathy fistulas, and arterial diseases.

Dr. Papakostas Ioannis MD, MSc, PhD is a Vascular Surgeon - Angiologist and maintains private clinics in Ioannina and Preveza. He holds a PhD from the Medical School of Ioannina, a Master's degree in Endovascular Surgery from the National and Kapodistrian University of Athens and the University of Bicocca/Milano, and a degree from the Medical School of the University of Ioannina with a specialty in vascular surgery. Additionally, he has completed further training in the treatment of venous diseases using endovenous laser and other methods at the Vascular Surgery Clinic of Stony Brook University, New York. The doctor specializes in endovascular vein surgery, telangiectasias, and endovascular arterial surgery. Moreover, he has authored a significant number of foreign-language and Greek scientific papers published in reputable international and Greek medical scientific journals. He has also contributed to the writing of medical books in the field of vascular surgery and serves as a reviewer of scientific papers in this field for international medical journals. Finally, it is noteworthy that he has participated in numerous Greek and international medical conferences and seminars as a speaker, trainer, and member of organizing committees.

Mitsiou Pagona is a Hematologist and maintains a private practice in Ampelokipoi. She graduated from the Medical School of the National and Kapodistrian University of Athens and obtained European specialization through the European Hematology Association (EHA). In 2024, she completed postgraduate studies focusing on Thrombosis, Hemorrhage, and Transfusion Medicine at NKUA, further expanding her knowledge and clinical practice. Since 2012, she has been serving in the National Health System, and since 2016, she has worked as a Senior Registrar (Epilipsis B') in the Hematology Clinic and the Autologous Transplantation Unit of the General Hospital of Attica "Sismanogleio - Amalia Fleming." Simultaneously, she maintains a private practice in Ampelokipoi, offering specialized services in the diagnosis and monitoring of hematological disorders, with a scientific approach and patient-centered care. Her experience with complex hematological cases and continuous professional development make her a reliable ally for every patient.

Maria Fragkioudaki is a Hematologist and maintains a private practice in Heraklion, Crete. She is a graduate of the Medical School of the University of Crete, as well as holding a degree from the Department of Biology of the same University. In her private practice, she manages a wide range of cases, respecting the individual needs of each patient.

Ο Γιοσδέκος Αλέξανδρος είναι Αγγειοχειρουργός - Αγγειολόγος, Αν. Διευθυντής Αγγειοχειρουργικής Κλινικής στην Ευρωκλινική Αθηνών. Είναι απόφοιτος της Ιατρικής Σχολής Αθηνών (ΕΚΠΑ) και διατηρεί ιδιωτικό ιατρείο στην οδό Βασ. Σοφιάς 104, στην Πλατεία Μαβίλη. Το 2016 μετέβη στο Ηνωμένο Βασίλειο όπου ειδικεύθηκε στην Αγγειακή και Ενδαγγειακή Χειρουργική. Πιο συγκεκριμένα, εργάσθηκε αρχικά ως Clinical Fellow in Vascular and Endovascular Surgery στο University Hospital of South Manchester (06/2016-02/2017) και εν συνεχεία ως Senior Specialist Registrar in Vascular and Endovascular Surgery στο East Suffolk and North Essex NHS Foundation Trust (02/2017-05/2020). Υπό την καθοδήγηση του Διευθυντή Αγγειοχειρουργικής A. Howard, ειδικεύθηκε σε όλο το φάσμα της κλασικής ανοικτής αγγειοχειρουργικής (ανοικτή αποκατάσταση ανευρυσμάτων κοιλιακής αορτής, ενδαρτηρεκτομή καρωτίδας, αρτηριακές παρακάμψεις- bypass, αρτηριοφλεβικες επικοινωνίες- fistula σε ασθενείς με νεφρική ανεπάρκεια) καθώς και των νεότερα ελάχιστων επεμβατικών/αναίμακτων τεχνικών όπως στις σύγχρονες ενδαγγειακές τεχνικές με την τοποθέτηση stent για αρτηριακές και φλεβικές παθήσεις αλλά και την αντιμετώπιση κιρσών με χρήση θερμικών και χημικών τεχνικών όπως laser, υπερήχους και σκληροθεραπεία. Έλαβε εκπαίδευση στη διενέργεια και ερμηνεία των έγχρωμων υπερηχογραφημάτων (triplex) των αγγείων. Το Αγγειοχειρουργικό Κέντρο του East Suffolk and North Essex αποτελεί σταθμό και ένα από τα ελάχιστα παγκοσμίως στη λαπαροσκοπική/ρομποτική αποκατάσταση των ανευρυσμάτων κοιλιακής αορτής καθώς και στην υβριδική αντιμετώπιση εμμένουσων ενδοδιαφυγών μετά από ενδαγγειακή αποκατάσταση (EVAR) ανευρυσμάτων κοιλιακής αορτής (CEALER). Απέκτησε επίσης εμπειρία στην ελάχιστα επεμβατική αντιμετώπιση σπάνιων παθήσεων, όπως σε endofibrosis των λαγόνιων αρτηριών σε επαγγελματίες ποδηλάτες και αθλητές αντοχής. Το 2019 έγινε κάτοχος μεταπτυχιακού διπλώματος (MSc) με τίτλο «Ενδαγγειακές τεχνικές» και βαθμό «Άριστα», του Διακρατικού Μεταπτυχιακού Προγράμματος Σπουδών των Ιατρικών Σχολών των Πανεπιστημίων Αθηνών και Μιλάνου. Από το 2021 έως σήμερα είναι υποψήφιος Διδάκτωρ της Ιατρικής Σχολής του Πανεπιστημίου Αθηνών. Έχει συμμετάσχει σε πληθώρα Ελληνικών και Διεθνών συνεδρίων, με παρουσίαση εργασιών και βραβεύσεις. Ασχολείται ενεργά με τη συγγραφή μελετών και έχει ιδιαίτερο ενδιαφέρον στη διενέργεια μετα-αναλύσεων που έχουν δημοσιευτεί στα πιο έγκυρα Αγγειοχειρουργικά περιοδικά διεθνώς. Επέστρεψε στην Ελλάδα το 2020 και κατέχει θέση Αν. Διευθυντή Αγγειοχειρουργικής στην Ευρωκλινική Αθηνών.

Galyfos Georgios is a Vascular Surgeon - Angiologist, PhD holder from the National and Kapodistrian University of Athens, and maintains a private practice in Chalkida. He graduated from the Medical School of the National and Kapodistrian University of Athens and completed the Inter-University Master's program (MSc) in Endovascular Techniques at the same university in collaboration with the University of Milano. Additionally, he is an Academic Fellow - Vascular Surgeon at the National and Kapodistrian University of Athens. Furthermore, he specialized in Vascular Surgery at the General Hospital of Attica KAT and at EVK Herne in Witten, Germany. He has also worked as an External Associate at the Evgenidio Hospital and the Euroclinic of Athens. He is specialized in Endovascular arterial surgery, Conventional surgery, and Arterial diseases. Lastly, he is a member of the Hellenic Society for Vascular and Endovascular Surgery.

Xondropoulos Spyros is a Hematologist and maintains a private practice within the Central Medical Park Polyclinic in Kallithea. He graduated from the Medical School of the National and Kapodistrian University of Athens and obtained his hematology specialty title at the University General Hospital "Attikon" in 2012. He served as a Hematology Registrar at the Transplantation Unit of the University Hospital of Patras as well as at the Hematology Clinic of the General Hospital of Athens "Georgios Gennimatas" in Athens. Since 2020, he has been a Hematology Registrar at the Bone Marrow Transplantation Unit at PGN Attikon.

Additionally, he holds a doctoral degree and is a PhD holder from the National and Kapodistrian University of Athens, actively participating in the education of undergraduate medical students as well as teaching in postgraduate programs.

He specializes primarily in hematologic malignancies with a particular scientific interest in cellular therapies.

Dr. Papasideris Xristos is a Vascular Surgeon - Angiologist, PhD holder from Democritus University of Thrace, maintaining private clinics in Marousi and Kallithea. He graduated from the Medical School of the University of Rome “La Sapienza” and holds a postgraduate diploma in "Vascular Surgery: Endovascular Techniques." He also completed advanced training at the Vascular Surgery Clinic of Heinrich – Heinle University in Düsseldorf, Germany. He has been a scientific associate at the Vascular Surgery Clinic of the University of Athens, the University General Hospital Attikon, as well as a collaborator and surgeon at private hospitals. During his specialty training, he worked at the Onassis Cardiac Surgery Center, Evangelismos Hospital, Konstantopouleio General Hospital of N. Ionia “Agia Olga,” and the University General Hospital of Alexandroupolis. Additionally, he teaches at the Medical School of the National and Kapodistrian University of Athens as part of the course ‘Vascular Surgery,’ has participated as a speaker in conferences and workshops, and has numerous presentations at international conferences and publications in internationally recognized journals. He is a member of the Hellenic Professional Association of Vascular Surgeons and a board member of the Angiology Society, the Hellenic Vascular Surgery Society, and the Union of EOPYY Physicians (ENI-EOPYY), serving as the General Secretary. Finally, he specializes in the latest minimally invasive endovascular techniques.

Nikolopoulos Euaggelos is a Vascular Surgeon - Angiologist MD, MSc, maintaining private practices in Neo Irakleio, Attica, and Vathy, Samos. He graduated from the Medical School of Democritus University of Thrace and is a Scientific Collaborator at the University Vascular Surgery Clinic of the same university. He is the Chief Vascular Surgeon at Metropolitan Hospital and has served as a Vascular Surgeon Consultant at the Athens Bioclinic. His core principles are: developing an excellent collaborative relationship between physician and patient, providing analytical, clear, and comprehensive information to the patient regarding their condition and treatment options, and ensuring absolute documentation of therapeutic recommendations based on current literature and the latest guidelines from the European Society for Vascular Surgery.

Stamelou Athanasia is a Hematologist and maintains a private practice in Nea Smyrni. She specialized in Hematology at the General Hospital of Athens "Alexandra," the General Hospital of Piraeus "Tzaneio," the General Hospital of Athens "Laiko," as well as the General Hospital of Athens "Evangelismos." She has served as a Second-Level Consultant in the Hematology Department of the General Hospital of Attica "KAT" and in the corresponding department of the Theia Pronoia Hospital "I Pammakaristos." From 2015 to 2020, she worked as an external collaborator of the General Clinic of Kallithea. Additionally, she has attended numerous Greek and international conferences, continuously updates herself on the latest scientific developments in the field of Hematology, and has published articles in scientific journals. Finally, the physician is a member of the Athens Medical Association, the Hellenic Hematology Society, and the European Hematology Association.

Dr. Konstantopoulos Theofanis MD, MSc, PhD is a Vascular Surgeon - Angiologist, Doctor of the Medical School of Athens, with a private practice in Mavili Square. He holds a Medical Degree from the Medical School of Aristotle University of Thessaloniki and the Military Officer School of Corps, and he received further training at Madigan Army Medical Centre in the United States of America. He specialized in General Surgery at the First Surgical Clinic of the 401 General Military Hospital of Athens and the First Surgical Clinic of the General Hospital of Athens "Sismanoglio." Additionally, he specialized in Vascular Surgery at the Vascular Surgery Clinic of the General Hospital of Athens "Sismanoglio" and completed a postgraduate program in Vascular Surgery and Endovascular Techniques at the Medical School of the National and Kapodistrian University of Athens. He is conducting his doctoral thesis on the "Study of angiogenesis factors during intermittent application of percutaneous electrical stimulation in patients with peripheral artery disease" at the Medical School of the National and Kapodistrian University of Athens. He is a Consultant at the Vascular Surgery Department of the 417 Nursing Foundation of the Army Pension Fund and has served as a Scientific Collaborator at the General Hospital of Rhodes. Finally, Dr. Konstantopoulos actively participates in numerous conferences and seminars in Greece and abroad as part of his continuous professional development.

Dr. Tsoutsas Ioannis A is a Vascular Surgeon - Angiologist with a private practice in Vrilissia. He completed his medical studies at the Medical School of Rome (La Sapienza - Roma) and additional training in Vascular Ultrasound Imaging as well as Endovascular Surgery at the National and Kapodistrian University of Athens. He has worked as a Resident and Specialist Vascular Surgeon at the Attikon General Hospital of Attica "Sismanoglio" and currently serves as the Scientific Director of the Vascular Surgery Department at the "IASO" group. Furthermore, he possesses extensive experience in General Surgery from the Athens Polyclinic and the Athens General Hospital "Evangelismos," in Vascular Surgery from the Attikon General Hospital "Sismanoglio," and in Thoracic Surgery from the Athens General Hospital Hippocrates. He is a member of the Medical Association of Athens, the Medical Association of Livadia, the British Medical Association (NHS), the Hellenic Vascular Surgery Society (HVS), and the European Society of Vascular Surgeons (ESVS).