Vascular surgeons - Angiologists with experience in Θρόμβωση in Attica

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.

Dr Med Galanis Nektarios is a Vascular Surgeon maintaining private vascular surgery clinics in Athens and Chalkida. He holds degrees in Medicine and Radiation Protection and is a Doctor of the Medical School of Ulm in Germany. He has been trained in vascular diagnostic ultrasound, endovascular techniques, and endovenous laser ablation techniques for varicose veins. He possesses extensive clinical experience, having worked for 18 consecutive years (2003-2020) in clinics abroad in Germany and Switzerland, and since March 2020, he has been professionally active in Greece.

The vascular surgeon has performed more than 4,500 procedures both abroad and in Greece.

Since 2020, after his repatriation, he has served as the Director of the 1st Vascular Surgery Clinic at "IASO Thessaly". From October 2022, for three consecutive years, he was the director of the 5th Vascular Surgery Clinic at "Metropolitan General", and since September 2025, he has been directing the 2nd Vascular Surgery Clinic at "White Cross - The Athens Clinic" in Athens.

From 2021 for three consecutive years, he has been a scientific associate at the Institute of Anatomy of the Medical School of Aristotle University of Thessaloniki, where he taught Anatomy to medical students. Since September 2025, he continues his academic and teaching activities at the same school, now holding the position of Assistant Professor of Medicine at AUTh Medical School.

Additionally, during the academic year 2024–2025, he served as a scientific associate in the Anatomy Laboratory of the Medical School of the National and Kapodistrian University of Athens.

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. 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.

Eleutheriou Georgios MD, PhD is a Doctor of Medicine from Athens and the Director of Vascular Surgery at Metropolitan Hospital in Piraeus. He practices as a Vascular Surgeon - Angiologist with a private clinic in Athens and concurrently examines and operates on patients at Metropolitan Hospital in Piraeus. The physician completed additional training in Europe and America, gaining extensive experience in all modern endovascular techniques in Vascular Surgery, as well as contemporary methods for treating varicose veins of the lower limbs and all forms of venous diseases, painlessly and effectively, using both Laser and RF, avoiding surgical incisions and general anesthesia. In 2002, he began working as an attending physician at the Vascular Surgery Clinic of "Errikos Dynan" Hospital and subsequently took responsibility for the vascular surgery department of the 7th IKA Hospital. In 2005, he was appointed Deputy Director of Metropolitan Hospital in Athens and since 2016 holds the title of Director of the Vascular Surgery Clinic at the same hospital. He provides reliable treatments for vascular problems in a fully equipped clinic with highly trained staff. His aim is the detailed diagnosis and management of all forms of venous disease, always relying on evidence-based treatment methods, applying state-of-the-art techniques to make treatment simpler, painless, and safer.

Grimpampi Despoina is a Hematologist and maintains private clinics in Spata, Marousi, and Vyronas. She is a graduate of the Medical School of the National and Kapodistrian University of Athens and completed her specialization in Hematology at the First Propaedeutic Internal Medicine Clinic of the General Hospital of Athens "Laiko," where she also specialized in lymphoma. Additionally, she has gained extensive experience in the management of both malignant and non-malignant hematologic disorders, including the investigation of anemias and other blood cytopenias, treatment of myeloproliferative syndromes, as well as lymphoproliferative diseases such as Hodgkin and non-Hodgkin lymphomas and chronic leukemias. Concurrently, she deals with the management of blood coagulation disorders, regulation of anticoagulant therapy, and monitoring of thrombophilic women requiring anticoagulation during pregnancy. Furthermore, she worked for 16 years as a Senior Registrar at the Errikos Dynan Hospital and currently serves as the Scientific Head of Hematology and the Immunology Laboratory at the private hospital "Mitera." Lastly, she is a member of the Hellenic and European Hematology Societies and participates annually in international scientific conferences concerning updates on the latest developments in Hematology.

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.

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.

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.

Dimopoulos Xristos is the Consultant of the 3rd Vascular Surgery Department at the Athens Medical Center, while also maintaining a private practice as a Vascular Surgeon / Angiologist in Kolonaki and downtown Tripoli. He graduated from the Medical School of the University of Athens and holds a doctoral degree from the Medical School of the University of Athens as well as from the Medical School of the University of Düsseldorf, Germany. He is a certified specialized user of vascular ultrasound and has participated as a speaker at international Vascular Surgery conferences. He specialized in the full spectrum of Vascular Surgery & Angiology at the University Clinic of Vascular & Endovascular Surgery in Düsseldorf, Germany (Universitätsklinik Düsseldorf, Germany). After obtaining his specialty, he underwent further training in Minimally Invasive Endovascular Surgery at the internationally recognized Aorta & Peripheral Artery Disease center at the University Clinic of Hamburg, Germany (Universitäres Herz- und Gefäßzentrum Hamburg, Germany) under the supervision of the distinguished Professor Univ.-Prof. Dr. med. Eike Sebastian Debus.

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.

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.

Kanavos Georgios is a Hematologist with a private practice located in Ilisia. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and specializes in thromboembolic disease, thrombophilia conditions (both hereditary and acquired), and hematology in pregnancy. In addition to his private practice, he serves as the Chief Hematologist of the Hematology Laboratory and the Coagulation / Blood Transfusion Department at the Gynecological - Obstetric Clinic "REA". Finally, he is a member of the Hellenic Hematological Society.