Orthopaedic - Orthopaedic Surgeons

Ο Λεωνίδου Ανδρέας PGDip, MSc, PhD, FACS, FRCS (Tr&Orth) είναι Ορθοπαιδικός Xειρουργός - Τραυματολόγος και Διδάκτωρ στο Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης με ιδιωτικό ιατρείο στο Μαρούσι. Παράλληλα, διατελεί Διευθυντής στο Ιατρικό Κέντρο Αθηνών στο Μαρούσι. Είναι απόφοιτος της Ιατρικής Σχολής του Εθνικού & Καποδιστριακού Πανεπιστημίου Αθηνών και έχει ολοκληρώσει μεταπτυχιακές σπουδές στην Ορθοπαιδική Μηχανική στο Πανεπιστήμιο του Cardiff. Μετά την αποφοίτησή του ξεκίνησε να εργάζεται στο Ηνωμένο Βασίλειο, όπου κάτω από διαρκή αξιολόγηση, τακτικές εξετάσεις και συνεντεύξεις, ολοκλήρωσε την ειδικότητα της Ορθοπαιδικής και Τραυματολογίας. Είναι εξειδικευμένος Χειρουργός άνω άκρου, γόνατος και αθλητικών κακώσεων και έχει ολοκληρώσει όλη την ειδικότητα και την υπερεξειδίκευση στο ειδικό γνωστικό αντικείμενό του στην Αγγλία. Μετά το πέρας της ειδικότητας, εξειδικεύτηκε στην παγκοσμίου φήμης Κλινική Ώμου - Αγκώνα στο Reading. Εργάσθηκε δε ως Διευθυντής στην ίδια κλινική και εν συνεχεία στο Πανεπιστημιακό Νοσοκομείο του East Kent. Εργάσθηκε συνεχόμενα στο Ηνωμένο Βασίλειο από το 2005 έως το 2019 αποκτώντας τεράστια χειρουργική εμπειρία. Διαθέτει αναλυτικό - πιστοποιημένο logbook πλέον των 6000 χειρουργείων. Επιστρέφει στην Ελλάδα μετά από 14 χρόνια παραμονής στο Ηνωμένο Βασίλειο, έχοντας αφυπηρετήσει στην υψηλότερη βαθμίδα του μόνιμου Διευθυντή (substantive Consultant), με στόχο να παρέχει στους ασθενείς του τις πιο σύγχρονες τεχνικές διάγνωσης και θεραπείας με βάση τα διεθνή πρότυπα. Ασχολείται με όλο το φάσμα της τραυματολογίας με εξειδίκευση στην αντιμετώπιση των σύνθετων καταγμάτων του ώμου - αγκώνα. Επίσης, εξειδικεύεται στην αρθροσκόπηση ώμου - αγκώνα και γόνατος με μεγάλη χειρουργική εμπειρία και όγκο περιστατικών. Εφαρμόζει το ελάχιστης επεμβατικότητας σύστημα ανάστροφης αρθροπλαστικής ώμου χωρίς stem. Είναι εταίρος (fellow) του Βασιλικού Κολλεγίου των Χειρουργών του Εδιμβούργου, έχοντας ολοκληρώσει με επιτυχία τις σχετικές εξετάσεις. Επιπλέον, είναι εκπαιδευτής στο Advanced Trauma Life Support Course και στο παγκοσμίου φήμης Reading Shoulder and Elbow Course. Ταξιδεύει συχνά στην Ευρώπη όπου διδάσκει την τεχνική της ανάστροφης αρθροπλαστικής ώμου χωρίς stem. Την περίοδο 2017 - 2019 ήταν ο πρώτος Έλληνας που εκλέχτηκε μέλος της Εκπαιδευτικής Επιτροπής της Βρετανικής Εταιρίας Ώμου - Αγκώνα. Tέλος, τo 2020 εκλέχτηκε στην επιτροπή μελών της Ευρωπαϊκής Εταιρίας Ώμου - Αγκώνα.

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."

Klaudianos Dionysios is an Orthopedic Surgeon with private clinics in Haidari and Nikaia and serves as a collaborator at the Peristeri Medical Center. He is a PhD candidate at the Medical School of the National and Kapodistrian University of Athens and holds a degree from the same institution's Medical School. He has specialized in knee arthroscopy, hip and knee arthroplasty, and has significant experience in the management and restoration of fractures. Additionally, he treats cases of osteoporosis as well as knee osteoarthritis using concentrated platelets - growth factors derived from adipose tissue. Finally, the physician has attended numerous international conferences related to sports injuries and their surgical treatment.

Tsatsaronis Xristos was born in Athens. He completed high school in Kypseli and was admitted through the Panhellenic Examinations to the Medical School of Aristotle University of Thessaloniki. He specialized in Orthopedic Surgery and Traumatology at KAT Hospital, where he also trained, among other fields, in Microsurgery. He has worked in both the private and public sectors in Greece and abroad. Among other roles, he served as the physician for the National Under-21 Football Team for one year, for the Judo Team of the National Gymnastic Association for over ten years, as team doctor for the Molaikos Laconia club, as a race doctor for the "Zirineia" Athletics competitions, as well as for the National Judo Team. He served in the National Health System (E.S.Y.) as head of the Orthopedic Department, from which he resigned holding the rank of Senior Registrar (Epithelitis A’). He has over ten years of experience in various hospitals in the United Kingdom, having performed over 2000 surgeries as a surgeon or trainer, most recently at the Royal Bournemouth Hospital of University Hospitals Dorset, where he was also nominated for "Best Trainer." He has won the World Judo Championship for Healthcare Professionals twice (2008 in Germany and 2009 in Spain), as well as his category in the Greek Veterans Judo Championship (Nea Makri, 2024), with additional medals from international and national competitions.

Kaldis Panagiotis is an Orthopedic Surgeon specializing in Upper Limb Surgery and Reconstructive Microsurgery. He graduated from the Medical School of the National and Kapodistrian University of Athens. Alongside his private practice in Pallini, he works as Deputy Director in the B' Department of Hand Surgery and Microsurgery at Hygeia Hospital, where he manages complex hand and shoulder injuries. He is a member of prominent medical associations, including the Athens Medical Association, the Hellenic Society of Surgery, Orthopedics, and Traumatology (HECOS), the Hellenic Society of Hand and Upper Limb Surgery (HEHUS), the Society of Reconstructive Microsurgery (SRM), and the International Wrist Arthroscopy Society (IWAS).

In his private practice, he treats conditions across the full spectrum of orthopedics and provides specialized services tailored to the individual needs of his patients.

Iatrokosmos is a comprehensive primary healthcare unit located in the Ampelokipi area. It consists of the Iatrokosmos Orthopedic Department, staffed by highly trained scientific personnel and equipped with state-of-the-art medical technology. The center's objective is to provide the solution each patient desires, namely diagnosis through to treatment, in a cost-effective, reliable manner and with only the necessary examinations. The goal is to meet the health needs of every family, insured or uninsured, of any age with comprehensive solutions. Their philosophy includes three fundamental principles: friendly service, high-quality examinations, and affordable prices. Finally, always prioritizing patient safety, they assume responsibility for the patient’s health from start to finish, that is, from diagnosis through to treatment.

Athanasopoulos Konstantinos MD, MSc is an Orthopedic Surgeon maintaining private practices in Piraeus and Galata Troizinia, while also collaborating with the Athens Medical Group (Peristeri clinic) and the sports injury center at Mediterraneo Hospital. He is certified in robotic knee and hip arthroplasty using the most advanced robotic system worldwide, the only one with FDA certification in the USA for robotic total joint revision arthroplasty. He holds a postgraduate degree in “Metabolic Bone Diseases” from the Medical School of Athens and graduated in Medicine from the University of Medicine and Pharmacy "Carol Davila". He specialized in Orthopedics and Traumatology at the General Hospital of Piraeus “Tzaneio” and in Pediatric Orthopedics at the Children’s Hospital "P. & A. Kyriakou", and after successful examinations where he ranked first in Attica, he obtained the title of orthopedic specialty. He served as an instructor at the Special Training Center for Health Professionals in the Orthopedics and Traumatology department of the General Hospital of Piraeus "Tzaneio" regarding the implementation of a preventive screening program for scoliosis and other spinal deformities in students. Additionally, he has participated as a speaker and trainee in numerous conferences and seminars in Greece. His areas of expertise include arthroscopic surgery, robotic knee and hip arthroplasty, as well as robotic knee and hip revision surgery with Fast-Track ERAS protocols for rapid return to activities, and minimally invasive surgery.

Pathiakis Ioannis Md, MSc, PhD is an Orthopedic Surgeon who maintains a private practice in Peristeri. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and has obtained two postgraduate degrees in "Minimally Invasive Surgery, Robotic Surgery & Tele-surgery Medicine" and "Surgical Anatomy" from the Medical School of the same university. Additionally, he holds a Doctorate from the National and Kapodistrian University of Athens in the Department of Anatomy. He is specialized in Robotic Knee and Hip Surgery and in Microsurgical Bloodless Carpal Tunnel Release and holds a diploma in Medical Acupuncture from the Scientific Association of Medical Acupuncturists of Greece. He has completed training at numerous hospitals, while his specialty was completed in General Surgery at the General Hospital of Ierapetra. Furthermore, during his career, he has taught courses on First Aid, Traumatology, and musculoskeletal injuries at the IEK of Siteia and at the Volunteer Corps of Samaritans and Rescuers of Siteia, respectively. Finally, as part of his continuous education and updating in microsurgery and medical acupuncture, the physician regularly attends medical conferences, earning personal honorary distinctions.

Beyond Medicine, he holds a degree in Social Theology from the Theological School of Athens.

Ο ορθοπεδικός Ζαχαρίου Δημήτριος διατηρεί το ιδιωτικό του ιατρείο στον Βόλο. Είναι απόφοιτος της Ιατρικής Σχολής του Πανεπιστημίου Ιωαννίνων, από όπου έλαβε το πτυχίο Ιατρικής. Στη συνέχεια πραγματοποίησε μεταπτυχιακές σπουδές στο Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών, όπου ξεκίνησε και τη διδακτορική του διατριβή με θέμα «Εμβιομηχανικές μεταβολές του άκρου ποδός μετά τη χειρουργική αντιμετώπιση του βλαισού μεγάλου δακτύλου». Την ειδικότητα της Ορθοπαιδικής την ολοκλήρωσε στην Γ’ Πανεπιστημιακή Κλινική του ΕΚΠΑ στο Γενικό Νοσοκομείο Αθηνών ΚΑΤ, ενώ πραγματοποίησε fellowship στο τμήμα Άκρου Ποδός και Ποδοκνημικής στο Orthopedic Hospital Valdoltra στο Ankaran της Σλοβενίας.

Stathellis Apostolos MD, PhD is an Orthopedic Surgeon - Sports Medicine Specialist with expertise in arthroscopic surgery of the shoulder, knee, elbow, and ankle, as well as sports injuries. He graduated with honors from the Medical School of the National and Kapodistrian University of Athens and holds a PhD from the University of Ulm in Germany. Following an 8-year training period in Germany (2009 - 2016) at one of the leading arthroscopic surgery centers (Sportklinik - Stuttgart), he now maintains private practices in Vrilissia and Marousi and concurrently serves as an Attending Physician at the 3rd Orthopedic Clinic at Hygeia Hospital. In 2016, he obtained the sports medicine specialization title in Germany, as well as certification in arthroscopic surgery. Additionally, he is trained and certified in musculoskeletal ultrasonography.

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.

Papaioannou K Ioannis is an Orthopedic Surgeon with a private practice in Thessaloniki. He specialized at the 1st Orthopedic Clinic of the Aristotle University of Thessaloniki at the General Hospital of Thessaloniki "G. Papanikolaou". He holds a degree from the Faculty of Medicine at Masaryk University in Brno, Czech Republic. He is specialized in hip and knee surgery, sports injuries, spinal disorders, and trauma. He trained in General Surgery at the 2nd Surgical Clinic of the 424 General Military Training Hospital and to this day serves as an Associate Physician at the Euromedica Cyan Cross Clinic. The doctor provides specialized services in hip and knee surgery (arthroplasty, sports injuries), management of spinal disorders, treatment of kyphosis/scoliosis, hand surgery, and traumatology.

Tasios Nikolaos is an Orthopedic Surgeon with a private practice in Glyfada. He holds a medical degree from Aristotle University of Thessaloniki and specialized in Orthopedics at the Orthopedic Clinic - Hand Surgery Department at Asklipieio Voula. He completed a fellowship as an Orthopedic Surgeon at the Orthopedic Clinic - Knee Disorders and Sports Injuries Department at Erasme University Hospital in Brussels. His practice covers the full spectrum of orthopedic and orthopedic surgical cases, with a specialization in trauma, sports injuries, and hip and knee arthroplasty.

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.

Dr. Trellopoulos Aggelos is an Orthopedic Surgeon who maintains two private clinics in Zografou and Marousi. He holds a Medical Degree and a postgraduate degree in Metabolic Bone Diseases from the National and Kapodistrian University of Athens. He specializes in Arthroscopic Surgery, Arthroplasty & Robotic Arthroplasty, Hand Surgery - Microsurgery, and Sports Injuries. He is a Consultant at the Third Orthopedic Clinic of "Hygeia" Hospital and at the Athens Center for Arthroscopy and Shoulder Surgery. He is a member of the European Society of Sports Traumatology (ESSKA), from which he has received educational fellowships aimed at specializing in athlete injuries. Finally, he is an active member of Greek and international scientific associations, has published numerous scientific articles and papers in Greek and international journals, and has delivered lectures at Greek and international sports medicine conferences.

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.

Dr. Tsoutsanis Athanasios holds a PhD from the University of Athens and is the Director of the 6th Orthopedic Clinic at HYGEIA Hospital. He maintains a private practice at HYGEIA Hospital as well as in Kifisia (opposite KAT Hospital). His initial postgraduate training was completed at the University Orthopedic Clinic of the renowned Rizzoli Hospital in Bologna, Italy, specializing in arthroplasty surgery. Subsequently, he trained in Paris in the innovative minimally invasive AMIS technique for hip arthroplasty and is a certified instructor of this technique. After performing thousands of hip arthroplasty surgeries, he was designated as one of the official reference centers in Europe for training orthopedic surgeons in the AMIS technique. He performed the first live surgery using the AMIS technique in Greece as part of an educational seminar on hip arthroplasty.

He specialized in knee arthroplasty using the minimally invasive MIK technique.

He trained in the United Kingdom and Luxembourg and is a certified user of the MAKO and NAVIO robotic systems for total knee arthroplasty.

Mixailidou - Xristopoulou Melia is an Orthopedic Surgeon and maintains a private practice in Kalamata. She graduated from the Medical School of Aristotle University of Thessaloniki with a grade of "very good." In 2004, she began her specialty in General Surgery at the 1st Surgical Department of the General Hospital of Serres, which she completed in 2005, and continued as an Orthopedic resident at the General Hospital of Serres. She obtained her specialty title in Orthopedics at the University Hospital of Rio Patras and at the Karamanadaneio Children’s Hospital in 2012. During this period, she traveled to SLK Klinikum in Heilbronn, Germany, where she specialized in the Pediatric Orthopedic Clinic, particularly in neonatal ultrasound. She participated in a large number of conferences, presenting papers at several of them, as well as attended numerous seminars of the AO Foundation, whose official representative in Greece is the Orthopedic Clinic of the University Hospital of Rio. Finally, in 2014, she attended courses and received certification for the application of ultrasound in the musculoskeletal system with a specialization in neonatal ultrasound.

Pinto Iosif is an Orthopedic Surgeon and maintains his private practice at OrthoAxis Orthopedic Center in Thessaloniki. He holds a Doctorate in Medicine from the Aristotle University of Thessaloniki, where he also obtained his medical degree, and he currently serves as a Lecturer at the International Hellenic University. He specialized in Orthopedic Surgery at the 1st University Clinic of Aristotle University of Thessaloniki at the General Hospital of Thessaloniki "Georgios Papanikolaou." Subsequently, he traveled to England, where he completed further training on a scholarship in Orthopedics - Traumatology and modern surgical management of injuries at Leeds Teaching Hospitals NHS Trust. He has extensive experience as a Consultant in the National Health System, with his scientific and clinical interests focusing on sports injuries, arthroplasty, traumatology, and upper limb surgery. He has a substantial research portfolio, having authored over 50 studies and articles in Greek and international journals, and is frequently invited as a speaker at conferences both in Greece and abroad. To date, he maintains a collaboration with the 2nd University Clinic of Aristotle University of Thessaloniki at the General Hospital of Thessaloniki "G. Gennimatas" as a Scientific collaborator.  In his practice, he provides comprehensive diagnostic and surgical treatment services for musculoskeletal system disorders.