Doctors for Aneurysm

Dr. Klempetsanis Konstantinos, MD, MSc, is a Specialist Cardiologist with a private practice in Evosmos, Thessaloniki, and simultaneously serves as an Associate at the Diavalkaniko Center in Thessaloniki. He graduated from the Medical School of Aristotle University of Thessaloniki and specialized in Anesthesiology and Intensive Care Unit at the 424 General Military Hospital of Thessaloniki. Additionally, he holds a Master's degree in "Thrombosis - Antithrombotic Therapy." In 2000, he moved to Belgium, where he trained in Clinical Electrophysiology - Arrhythmology at O.L.V. Aalst Hospital in Belgium. He has been an instructor for the Pathology course at the Secondary Technical Vocational Nursing School of Kilkis at the General Hospital of Kilkis and has also taught courses in Nursing and Pathology at the IEK of Neapoli and Evosmos, Thessaloniki. Finally, he consistently participates in all conferences, symposiums, workshops, and training seminars related to his specialization, frequently as a speaker, maintaining comprehensive training and high-level expertise in his field.

Barbaressos Emmanouil MD, MSc, PhDc is a Vascular Surgeon with extensive experience in both traditional vascular and modern endovascular surgery. He maintains a private practice within the Top Meds Private Multiclinic in Nea Smyrni. He is a graduate of the University of Patras and completed his training at the General Hospital of Athens "G. Gennimatas," where he subsequently worked as an assistant vascular surgeon. He received further training in the United Kingdom at St. George’s University Hospital, covering trauma and aortic disease centers in Southwest London. As part of his concurrent teaching responsibilities, he was awarded the title of unpaid Clinical Lecturer by St George’s University of London. Upon returning to Greece, he worked as an assistant vascular surgeon at the University General Hospital of Patras. He is a PhD candidate at the University of Patras and holds two Master’s degrees. He possesses a license to perform Vascular Ultrasound (Triplex) and continues his scientific work through participation in clinical studies, the authorship of scientific articles, and presentations at vascular surgery conferences.

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.

Klotsa Dimitra is a Cardiologist who maintains a private practice in Zografou. She holds a degree from the Medical School of the National and Kapodistrian University of Athens and received further training in echocardiography at King’s College Hospital in London. There, she specialized in the Heart Failure Clinic (diagnosis, treatment, and follow-up of patients) and in the ultrasound department, performing transthoracic and transesophageal echocardiograms on patients with heart failure. Additionally, she specialized in Pathology at the General Oncology Hospital "Agioi Anargyroi" and in Cardiology at the Cardiology Clinic of the Nursing Institution of the Army Pension Fund (NIMTS). Finally, she has conducted stress tests in the Nuclear Medicine Department of the Cardiology Athens, where she is also the Head of the Ultrasound Department.

Ο Μαρτίνος Βασίλειος είναι Νευροχειρουργός και διατηρεί ιδιωτικό ιατρείο στην Αθήνα και στη Ραφήνα. Διαθέτει πτυχίο Ιατρικής και Χειρουργικής και ειδικεύτηκε στη Νευροχειρουργική της Πανεπιστημιακής Κλινικής Νευροχειρουργικής στο 2ο Πανεπιστημιακό Νοσοκομείο της Ρώμης "Policlinico Tor Vergata". Παράλληλα, διαθέτει μεγάλη εμπειρία στη διάγνωση και αντιμετώπιση νευροχειρουργικών περιστατικών, αφού είναι Επιμελητής A' - Μέλος Ομάδας Νευροχειρουργών του “Ερρίκος Ντυνάν Hospital Center”, Επιστημονικός Συνεργάτης της ιδιωτικής παιδιατρικής κλινικής "ΙΑΣΩ Παίδων. Όλα αυτά τα χρόνια, έχει κληθεί να αντιμετωπίσει, επεμβατικά ή μη, πληθώρα παθήσεων του εγκεφάλου, της σπονδυλικής στήλης, του νωτιαίου μυελού και όχι μόνο. Αντιμετωπίζει όλο το φάσμα των νευροχειρουργικών παθήσεων, ενώ είναι εξειδικευμένος στη χειρουργική εγκεφάλου, και πιο συγκεκριμένα στη νευροογκολογία, στη νευροτραυματολογία, στις αγγειακές δυσπλασίες, στη δυναμική εγκεφαλονωτιαίου υγρού, αλλά και στη χειρουργική της σπονδυλικής στήλης με ιδιαίτερη έμφαση στη διαδερμική προσπέλαση, στις ελάχιστα παρεμβατικές τεχνικές στη διαχείριση του σπονδυλικού πόνου, καθώς και στην ενδοσκοπική και λειτουργική νευροχειρουργική (π.χ. θεραπεία επιληψίας και νόσου Πάρκινσον, DBS). Επίσης, λόγω της κλινικής χειρουργικής & ερευνητικής του εμπειρίας, έχει εξειδίκευση στην ογκολογία εγκεφάλου και νωτιαίου μυελού, στις αγγειακές δυσπλασίες εγκεφάλου, όπως είναι τα ανευρύσματα, οι αρτηριοφλεβώδεις δυσπλασίες και τα φλεβικά και σηραγγώδη αγγειώματα. Παράλληλα, εξειδικεύεται στην υδροκεφαλία, στις κακώσεις εγκεφάλου (επισκληρίδια / υποσκληρίδια αιμορραγία, ενδοεγκεφαλικό αιμάτωμα) και σπονδυλικής στήλης. Επιπρόσθετα, ο ιατρός είναι εξειδικευμένος στη νευραλγία τριδύμου, στην παθολογία αυχενικής μοίρας (δισκοκήλη, σπονδύλωση, μυελοπάθεια, ριζοπάθεια) και στην παθολογία οσφυϊκής μοίρας (δισκοκήλη, στένωση σπονδυλικού σωλήνα). Ακόμη, πέραν της μεγάλης εμπειρίας, διαθέτει και άρτια επιστημονική κατάρτιση, αφού έχει συμμετάσχει σε αρκετά διεθνή συνέδρια και σεμινάρια με ομιλίες και δημοσιεύσεις επιστημονικών άρθρων. Τέλος, βασικό μέλημα του ιατρού είναι η παροχή υπηρεσιών σε όλο το φάσμα της νευροχειρουργικής που θέτουν σε προτεραιότητα τις ανάγκες του ασθενή, καθώς και η υπεύθυνη αντιμετώπιση όλων των νευρολογικών διαταραχών και παθήσεων που επηρεάζουν την καθημερινότητά του.

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).

Eukarpidis Euaggelos MD, MSc is a Specialist Cardiologist who has maintained a private practice in Kalamaria, Thessaloniki since 2017. He graduated from the Medical School of Aristotle University of Thessaloniki and holds a postgraduate degree in Medical Research from the same university. He trained in Internal Medicine and Cardiology at the General Hospital of Xanthi, completed his Cardiology specialty at the General Hospital of Thessaloniki "Papanikolaou," and was a fellow of the Hellenic Cardiological Society. In his private clinic, located in a modern, tasteful, and welcoming space in the center of Kalamaria, he offers a wide range of services tailored to the individual needs of each patient.

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.

Papamentzelopoulos Spyridon is a Cardiologist and operates a private practice in Piraeus. He was admitted to the Military Officers School of Corps and is a graduate of the Medical School of Aristotle University of Thessaloniki. He initially specialized in Pathology at the 401 General Military Hospital of Athens for two years, including nine months in the Intensive Care Unit, and subsequently specialized in Cardiology for four years at the Onassis Cardiac Surgery Center. There, he participated in the management of numerous and complex cardiological cases, while also performing hundreds of diagnostic (stress tests, echocardiograms, Holter monitoring, and others) and interventional procedures (coronary angiographies, angioplasties, cardiac catheterizations, intravenous pacing). Additionally, he has participated in international studies of new transcatheter techniques for treating cardiac valve diseases (TAVI), as well as in the monitoring of patients with heart failure (using left ventricular assist devices [LVAD]) and heart transplantation. At his private practice, he provides specialized solutions tailored to the needs of his patients.

Vakalopoulos Paulos MD, MSc is a Vascular Surgeon - Angiologist, former Director of the Vascular Surgery Clinic at the Naval Hospital of Athens, and Director of the 2nd Vascular Surgery Clinic at Mediterraneo Hospital in Glyfada. He is a graduate of Military Medicine (SSAS), which trains Medical Officers of the Armed Forces who simultaneously attend the Medical School of Aristotle University of Thessaloniki. This dual qualification was achieved with considerable effort, while his continuous education and many years of experience, both at the Naval Hospital of Athens and other units of the Navy, as well as in the private sector, have entrusted him with duties and responsibilities requiring expert knowledge of modern medical technology and decisiveness in daily patient care. His pursuit of advancement in medical science and technology was fulfilled through his postgraduate training in Endovascular Vascular Surgery and Vascular Triplex at Imelda Hospital in Bonheiden, Belgium (2005). Numerous cases employing pioneering methods formed his daily training under the guidance of the Director of the Vascular Surgery Clinic, Patrick Peeters. The determination of his mentor translated into trust for the trainee, resulting in a more comprehensive and effective education. His expertise in Vascular Ultrasound led him to attain a Master’s degree (2016) from the Medical School of the University of Thessaly, completed with distinction ("Excellent"). Ongoing education in new interventional methods using the latest and advanced innovative materials propelled him to earn a Master’s degree (2012) from the Medical School of the University of Athens, completed with distinction ("Excellent"). In the aforementioned Intergovernmental Postgraduate Program "Endovascular Techniques," he is an invited Professor, presenting the latest developments from clinical studies and interesting cases related to the Endovascular repair of Abdominal Aortic Aneurysms.