Orthopaedic - Orthopaedic Surgeons for Spondylolisthesis in the Northern suburbs of Athens

Topkas Athanasios MD, MSc is an Orthopedic Surgeon - Sports Medicine Specialist, affiliated with the Orthopedic Clinic of "Hygeia" Hospital, and maintains a private practice in Marousi. He graduated with honors from the Medical School of Varna University and holds a Master's degree in Metabolic Bone Diseases from the National and Kapodistrian University of Athens. He began his specialization in Orthopedic Surgery - Traumatology at the General Prefectural Hospital of Edessa and continued his training at the 1st IKA Hospital of Athens and the General Attica Hospital KAT. He worked as a Registrar B at the Sports Injuries Department of the General Attica Hospital KAT and subsequently as a Registrar B in the 2nd Hand Surgery and Microsurgery Department of the same hospital. During his specialization and tenure, he specialized in all surgeries related to the upper limb and the hand. Additionally, he specialized in Sports Medicine, with a particular emphasis on knee arthroscopy and anterior cruciate ligament reconstruction (ligament injuries of the knee). To date, Dr. Topkas remains a Scientific Collaborator of numerous private hospitals and groups such as Hygeia Hospital, the Biomed Group, the Athens and Piraeus Bioclinic, the Euromedica Group, the Errikos Dynan Hospital Center, the Mediterraneo Hospital, the Athenian Clinic, and the Athens Medical Group. Throughout his medical career, he has actively participated in the development of numerous studies, which have been presented at Greek and international conferences, and has contributed to the authorship of publications. He has participated in numerous postgraduate training programs and workshops and has served on organizing committees for various conferences. Finally, he is a member of the Athens Medical Association, the Hellenic Society of Reconstructive Microsurgery, the Hellenic Society for Hand Surgery, and the Hellenic Society for Wound and Ulcer Healing.

Roussis Ksenofon MD, PhD is an Orthopedic Surgeon and Sports Medicine Specialist with a private practice in Agia Paraskevi. He holds a medical degree from the School of Medicine and Surgery at the University of Bologna in Italy and completed his doctoral thesis in Sports Medicine. He specialized in Orthopedic Surgery at the General Hospital of Attica KAT and at the 1st IKA Therapeutic Center (Papadimitriou). Additionally, his expertise in both conservative and surgical treatment of sports injuries, particularly those concerning the knee, along with extensive professional experience in recognized hospitals and sports clubs, enables him to manage a wide range of cases. Specifically, he possesses valuable professional experience as a Sports Medicine Physician for numerous football teams and as a Lecturer at football coaching schools, teaching Sports Medicine, Anatomy, and Dietetics. Furthermore, it is noteworthy that he served as an official physician at the Athens and South Korea Olympic Games, as well as the Pre-Olympic Games in Australia. Finally, Dr. Roussis is the President of the Sports Medicine Association of Sports Physicians, a member of the Hellenic Sports Medicine Society, and the European Federation of Sports Medicine Associations, actively participating in conferences held both in Greece and abroad.

Dr. Kormpakis Ioannis is an Orthopedic Surgeon - Traumatologist. He is the Director of the Orthopedic Clinic at Metropolitan General and the Director of the Upper Limb and Microsurgery Clinic. Since 2018, he has held a PhD from the Medical School of the National and Kapodistrian University of Athens and has specialized training from Washington University in the United States of America in Arthroscopic and Microsurgery of the Upper Limb (Shoulder - Elbow and Hand), Peripheral Nerves - Brachial Plexus as well as Ankle and Foot Surgery. Dr. Kormpakis Ioannis maintains private practices in Chalandri and Acharnes and performs numerous surgical procedures across a broad spectrum of Orthopedic and Traumatology conditions at private hospitals with which he collaborates (Metropolitan General, Therapis General, Athens Bioclinic, Medical Center, Mediterraneo Hospital). He is a member of the Hellenic Society of Reconstructive Microsurgery, the Hellenic Society of Orthopedic Surgery and Traumatology, and the Hellenic Society of Hand Surgery. Furthermore, he continues to publish numerous scientific papers in collaboration with world-renowned orthopedic surgeons in scientific journals based in the United States of America and the United Kingdom. Through his ongoing participation in numerous conferences in Greece and abroad and through his personal research on tendon and nerve injuries, he stays continually updated on surgical and conservative-regenerative treatment approaches for conditions such as arthropathies and tendon and nerve injuries.

Tsiavos Konstantinos is an Orthopedic Surgeon and maintains a private practice in the Acharnes area. In recent years, he has worked as a Consultant in the Spine Surgery Department at "Hygeia" Hospital, specializing in Spine Surgery, Adult Reconstructive Surgery, and Trauma Management. He holds a degree from the Medical School of the National and Kapodistrian University of Athens and completed his postgraduate studies focusing on metabolic bone diseases and Osteoporosis at the same university. He began his specialization in Orthopedic Surgery as an assistant physician to Professor Mr. Soukakos at the Athens Bioclinic. Subsequently, for approximately six years, he worked as an Orthopedic Surgeon at some of the largest hospitals in Athens, specifically at the University General Hospital "Attikon" and the General Children's Hospital "P. & A. Kyriakou" (1 year). He has accumulated more than 10 years of experience in Orthopedic Surgery and successfully performs a large number of surgeries daily, focusing on conditions related to the Spine. His clinical interest centers on adult spinal disorders and congenital spinal conditions in children (scoliosis). He continuously pursues further education and attends seminars and specialized training courses in Greece and Europe and has obtained certification from the AO Course Advance In Operative Fracture Management. Finally, he has authored five academic publications, the latest of which was published in 2016 with the participation of academic colleagues and peers.

Lallos Stergios MD, MSc is an Orthopedic Surgeon maintaining a private practice in Agia Paraskevi and also sees patients at the Metropolitan General. He holds a master's degree (MSc) in Metabolic Bone Diseases - Osteoporosis and a Medical Degree from the Medical School of the National and Kapodistrian University of Athens. He completed his specialty in Orthopedics and holds ATLS (Advanced Trauma Life Support) certification as well as a Basic Life Support diploma. Additionally, he is specialized in arthroplasty, arthroscopy, traumatology, sports injuries, and major joint surgery, areas he focused on after completing his specialty and subsequently upon selection by the Medical School of Athens, where he served as a University Fellow of the 2nd Orthopedic Clinic of the University of Athens. He then moved to Switzerland, where he worked as a Consultant in the Orthopedic Clinic of Salem Spital in Bern, covering the full spectrum of joint pathology and surgery. It is noteworthy that during his career, he served as a Scientific Associate at the "Errikos Dynan" Hospital Center and the Medical Diavalkaniko Center. Finally, Dr. Lallos is a member of numerous professional associations and has extensive participation in conferences, seminars, presentations, and publications.

Georgios Sxinas MD, MSc, PhD is an Orthopedic Surgeon with a private practice in Pefki. He holds a doctorate from the National and Kapodistrian University of Athens, specializing in Surgical Orthopedics, and completed advanced training in total joint arthroplasties at the Hospital for Special Surgery (HSS) in New York, supported by a scholarship from the Stavros Niarchos Foundation. As a scholar, he also trained in the sports injuries department of the KAT General Hospital, where he gained extensive surgical experience in sports injuries in both diagnosis and treatment. He serves as a Consultant at Ygeia Hospital and is a former Consultant at the Second Orthopedic Clinic of the General Hospital of Athens "G. Gennimatas," where he acquired significant experience in Emergency Orthopedics, actively participating in the clinic's on-call program. Previously, he worked as a physician in the Orthopedic Clinic at James Paget University Hospital in the United Kingdom. To date, he has authored presentations and publications in renowned scientific and medical journals and has been awarded for the best paper entitled: "Experience and Observations from Bone Lengthening with Unilateral External Fixation Devices."

Liosis Konstantinos is an Orthopedic Surgeon with a private practice in Chalandri, a member of the Medical Team of KAE Panathinaikos, and a Consultant at the Orthopedic Clinic of HYGEIA Hospital. He holds a medical degree from the School of Health Sciences at Ovidius University and a postgraduate degree from the Department of Metabolic Bone Diseases at the Medical School of the National and Kapodistrian University of Athens. Additionally, he has specialized in the management of persistent pain and inflammation, holding a Diploma in Neural Therapy, a therapeutic technique utilizing local anesthetics for the management of acute and chronic pain. His private practice offers a range of services, including meniscal arthroscopy, cruciate ligament arthroscopy, osteoporosis screening, and chondropathy arthroscopy. Furthermore, he is a member of the Hellenic Osteoporosis Foundation, the Hellenic Society of Orthopedic Surgery and Traumatology, and the Hellenic Society of Neural Therapy and Homeostasis Study, while actively attending multiple conferences to stay updated with ongoing advancements in the field.

Vamvatsikos Konstantinos is an Orthopedic Surgeon with private clinics in Agios Stefanos and Oropos. After completing his studies, he specialized in Orthopedics at the 5th Orthopedic Clinic of the General Hospital of Attica KAT, in the Spine and Scoliosis Unit. Subsequently, he received further training at Sheffield Hospital in England, focusing on specialized conditions primarily affecting the spine. In his private clinics, he manages all orthopedic conditions, with particular expertise over the past 10 years in the DRX 9000 technology, a digital decompression bed that successfully treats complex spinal disorders such as sciatica, herniated intervertebral discs, and discopathies with high success rates. More than 8,000 cases of complex spinal disorders have been treated using DRX 9000 technology, which is an FDA-certified American innovation also utilized by NASA. Additionally, he operates podology departments offering reflexology sessions, pedobarography, and the fabrication of custom digital technology insoles, as well as departments for acupuncture, ozone therapy, and osteoporosis. Bone density measurements for osteoporosis diagnosis and treatment of arthritis conditions in the knee, shoulder, or hip are also conducted, utilizing collagen infiltration, hyaluronic acid, autologous activated platelet-rich plasma, and stem cell therapies.

Mitrogiannis Georgios is an Orthopedic Surgeon specializing in Adults and Pediatrics – Sports Medicine Physician, maintaining a private practice in Nea Ionia. Concurrently, he works as a Consultant in the Pediatric Orthopedic Clinic at IASO Children’s Hospital. He holds a medical degree from the University of Ioannina School of Medicine and is a doctoral candidate at the School of Medicine, National and Kapodistrian University of Athens. He completed his specialty training in Orthopedics and Traumatology at the General Children’s Hospital "Panagiotis & Aglaia Kyriakou," the Korgialenio-Benakio Greek Red Cross Hospital, and the General Athens Hospital "Evangelismos," where, following the receipt of his Orthopedic Specialty certification, he remained for an additional two years as a Specialist Orthopedic Surgeon. During his residency, he received extensive training in managing injuries of all severities, sports-related injuries, and arthroplasties, actively participating in a large number of surgical procedures across the full spectrum of Orthopedics. He holds the Barca Innovation Hub Professional Diploma in Team Sports Injuries and the FIFA Diploma in Football Medicine, confirming his advanced expertise in sports medicine. In 2023, he served as a physician for the AEK Football Club, and from September 2024 to the present, he has been the team physician for the Academies of Panathinaikos Football Club. He also has a robust scientific portfolio with publications and presentations at Greek and international medical conferences and journals.

Sarantos Konstantinos MD, FRCS, is the Director of the 7th Orthopedic Clinic at YGEIA Hospital and maintains private practices in central Athens, Marousi, and Kranidi. He is an official trainer of the MAKO Robotic System and the minimally invasive technique “SuperPath” in Europe for Hip and Knee Arthroplasties and has trained over 450 surgeons from Europe and beyond in more than 45 educational courses. He graduated from the Medical School of the University of Ioannina and is a Consultant - Head Orthopedic Surgeon at Coventry and Warwick University Hospital in the United Kingdom and a member of the British Royal College of Surgeons. He specialized and received further training in the United Kingdom in hip and knee surgeries. Additionally, he completed further training in the minimally invasive hip technique, "SuperPath®", in the United States and subsequently performed the first surgery in Europe and the United Kingdom of a total hip arthroplasty using the "SuperPath®" technique in 2014. Since then, he has performed an exceptionally large number of surgical procedures using this method and has contributed to its development and adaptation to European standards. In his private practices, he manages a wide range of cases and provides solutions to his patients' problems, while also being a member of numerous Greek and international scientific societies.

Mr. Nikolaos Kalos is an Orthopedic Surgeon and Deputy Director of the 4th Orthopedic Clinic at Metropolitan General in Cholargos. He maintains a private practice in Neo Psychiko.

He is a graduate of the Medical School of the University of Ioannina and completed his specialization at the University Orthopedic Clinic of Ioannina.

He specialized at the Osteoarthritis and Knee Deformities Treatment Center, LKH Stolzalpe - Murau in Austria. In his private practice, he provides a wide range of services, tailored to the individual needs of each patient.

Dr. Pantos Panagiotis, MD, MSc, PhD, is an Orthopedic Surgeon with private practices in Marousi, Haidari, and Glyfada. He holds a PhD in Medicine from the National and Kapodistrian University of Athens and is a graduate of the Medical School of the same institution. He also has a master's degree in Public Health from the National School of Public Health. He specialized in Orthopedic Surgery & Traumatology at the 1st Orthopedic Clinic of the National and Kapodistrian University of Athens and received training in the Upper Limb and Microsurgery Clinic at the General Hospital KAT. After completing his specialization, he practiced as an Orthopedic Surgeon in Germany, serving as Oberarzt für Orthopädie und Unfallchirurgie in the Department of Orthopedics and Trauma Surgery, Center for Shoulder Surgery, Asklepios Klinik Seligenstadt. From 2016 to 2020, he worked as Leitender Oberarzt in the Clinic for Shoulder Surgery at Klinik Maingau vom Roten Kreuz, Frankfurt am Main. He is also Head of the Upper Limb Surgery and Sports Injuries Department at Osteon Orthopedic and Spine Clinic. Additionally, he is the Director of the Orthopedic Clinic - Upper Limb Department at the Athens Medical Center. In his private practices, he is capable of treating the full spectrum of shoulder conditions using either arthroscopic or open surgical techniques.

Tsimplakis Mixalis is an Orthopedic Surgeon - Sports Medicine Specialist, Deputy Director of the 8th Orthopedic Clinic at Metropolitan General, and maintains a private practice in Nea Smyrni. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and has received advanced training in Shoulder Arthroscopic Surgery at the 401 General Military Hospital of Athens. He has particular expertise in knee arthroplasty, meniscal arthroscopy, chondropathy arthroscopy, shoulder arthroscopy, osteoporosis management, as well as monitoring kyphosis, scoliosis, and fractures. Additionally, he collaborates with the Medical Center of Palaio Faliro, BioClinic of Piraeus, and Doctors Hospital. Finally, the physician has contributed to scientific publications both in Greece and internationally.

Flevarakis Georgios is an Orthopedic Surgeon and maintains private practices in Voula, Cholargos within Metropolitan General, and in Neos Kosmos within Athenian Lab & Medicine. He graduated from the Medical School of the University of Patras, where he was admitted following nationwide examinations. His initial exposure to Orthopedic specialization was at the Orthopedic Clinic of the Naval Hospital of Athens (2006-2008). From 2008 to 2011, he served in the Orthopedic Oncology Department of the Anticancer-Oncology Hospital "Agios Savvas". In 2011, he continued his specialization in the Shoulder Surgery Department of the General Hospital Asklipieio Voula. In 2014, after completing his specialization, he obtained the title of Orthopedic Surgeon following examinations. From 2014 to 2016, he held a salaried position (Clinical Shoulder and Elbow Fellow) in the Shoulder and Elbow Surgery Department of the University Hospital of Liverpool, one of the largest referral centers in the United Kingdom. Since returning to Greece in 2016, he maintains his private practice in Voula and also works at the private hospital Metropolitan General as a consultant in the 3rd Orthopedic Clinic - Minimally Invasive Surgery.

Mr. Georgoulis Stylianos MD, MSC, Dipl is an Orthopedic Surgeon - Traumatologist with a private practice in Marousi. He has received advanced training at Oxford, United Kingdom, specializing in reconstructive orthopedics (hip and knee arthroplasty) and practices orthopedic surgery and traumatology - sports medicine at the 251 Air Force General Hospital as the Director of the 2nd Orthopedic Clinic. Simultaneously, he serves as the Deputy Director of the 7th Orthopedic Clinic at HYGEIA, focusing on robotic hip and knee arthroplasty, having been certified in these techniques. The core principles of his therapeutic approach to patients include information, understanding, honesty, and trust, which form the foundation for a personalized treatment process tailored to meet the distinct needs and demands of his patients. These are the essential elements of a mutual trust relationship between patient and surgeon, which will determine the choice of method, define the patient's therapeutic expectations, and ultimately ensure an excellent outcome.

Dr. Sarantis Mixalis, MD, MSc, PhDc, is an Orthopedic Surgeon with a private practice in Psychiko. Concurrently, he serves as an Orthopedic Consultant specializing in Sports Injuries at Metropolitan Hospital. He has extensive experience, having completed his specialization at the General Children's Hospital "Agia Sofia" and the 4th Orthopedic Clinic of G.N.A. KAT, while also specializing at the same hospital in the Hand-Upper Limb-Microsurgery Clinic, the Sports Injuries Department, and the Pediatric Orthopedic Clinic. In 2018, he successfully completed advanced training in pediatric orthopedic trauma and pediatric skeletal deformities at the Orthopedic Hospital Speising (Vienna, Austria). Since 2019, he holds a Master's degree in "Metabolic Bone Diseases - Osteoporosis" from the Medical School of the National and Kapodistrian University of Athens. In 2020, he was appointed as a doctoral candidate by the Medical School of Athens, and since then he has been pursuing his doctoral thesis at the 2nd Orthopedic University Clinic of the University of Athens (Konstantopouleio Hospital – Agia Olga). He is an active member of the European Paediatric Orthopaedic Society (EPOS), the European Society for Sports Traumatology Knee Surgery and Arthroscopy (ESSKA), the Hellenic Society of Orthopaedic Surgery and Traumatology (EEHOT), and the Athens Medical Association. Finally, he has a rich academic portfolio, authoring numerous publications in peer-reviewed international journals (PUBMED) and actively participating in presentations at Greek and international conferences.

Samdanis Vasileios is an Orthopedic Surgeon with private practices in Agia Paraskevi and Koropi. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens and is specialized in upper limb surgery (shoulder-elbow-wrist-hand) at one of the largest purely orthopedic centers in the United Kingdom. Additionally, he is an attending physician at the 5th Orthopedic Clinic of "Hygeia" Hospital. He holds a postgraduate degree in metabolic bone diseases - osteoporosis from the National and Kapodistrian University of Athens and a medical degree from Aristotle University of Thessaloniki. He has served as a Scientific Collaborator at the 2nd University Orthopedic Clinic of Aristotle University of Thessaloniki. He has an extensive research portfolio, with numerous lectures and presentations at Greek and international medical conferences, as well as publications in scientific journals. Furthermore, he has a rich teaching record spanning several years in the postgraduate program "Metabolic Bone Diseases" at the Medical School of Athens. Finally, he is a member of Greek and international medical associations and scientific societies.

Dempegiotis Petros MD, MSc is an Orthopedic Surgeon with a private practice in Kypseli. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and has attended numerous international educational seminars. He is also a certified physician in Neural Therapy. He is an affiliated physician at Euroclinic Athens, Doctor's Hospital, and Metropolitan General. With extensive experience in orthopedic disorders, he diagnoses and treats orthopedic conditions in both adults and children. Additionally, he manages cases such as tendinitis, osteoarthritis, cervical syndrome, sciatica, as well as pediatric orthopedics.

Mpenakis Leonardos is an Orthopedic Surgeon, Director of the Orthopedic Clinic at Metropolitan Hospital, and maintains a private practice in Vrilissia. He graduated from the Medical School of Democritus University of Thrace, where he was admitted through national university entrance examinations. He received a Scholarship from the Hellenic Society of Orthopedic Surgery and Traumatology (E.E.CH.O.T.) for the first Forte Summer School in 2016. Additionally, he was awarded a scholarship from the Hellenic Arthroscopy Society (E.A.E.) for the Travelling Fellowship in 2017. He has participated in numerous international conferences, specialized seminars on new techniques, and educational courses. He has also served as Director of the Orthopedic Clinic at Euroclinic Athens and was among the first Orthopedic Surgeons in Greece trained in total hip arthroplasty using the minimally invasive SuperPath approach during its introduction in 2016. He undertakes arthroscopic repair of sports injuries in cases unresponsive to conservative treatment. The clinic offers the possibility of biological therapies with platelet-rich plasma.