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.

Armakolas Nikolaos MD, MSc, PhD is an Orthopedic Surgeon and maintains a private practice in Nea Smyrni. He holds a Doctorate from the Medical School of the National and Kapodistrian University of Athens with a Master’s Degree in "Metabolic Bone Diseases" from the same University. Additionally, he is a Scientific Collaborator at the 3rd Orthopedic Clinic of the General Hospital of Attica KAT, at the "Hygeia" Clinic in Marousi, and at the private clinic "Leto" in Kalamata, while also collaborating with major clinics such as the Iatriko and Mediterraneo Hospital. At his practice, he provides comprehensive information and appropriate treatment tailored to each patient’s needs, following the most modern techniques. Finally, the doctor is a member of the Medical Association of Athens, the Medical Association of the United Kingdom, and the Medical Association of Sweden.

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.

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.

Tsonis Konstantinos is an Orthopedic Surgeon. He maintains a private practice in Peristeri. He offers a personalized approach and treatment for a wide range of acute and chronic conditions affecting the upper and lower limbs as well as the spine. He has worked at the Metaxa General Oncology Hospital, the Athens General Children's Hospital "Panagiotis & Aglaia Kyriakou," and the General Hospital of Nikaia, where he received training in Trauma Orthopedics, managing chronic conditions such as knee and hip osteoarthritis, peripheral compressive neuropathies like Carpal Tunnel Syndrome, lumbar and cervical spine disorders, as well as metabolic diseases. Additionally, he has participated in the activities of the Neurosurgery Clinic and the Intensive Care Unit at the Metaxa General Oncology Hospital. He possesses extensive experience in Pediatric Orthopedics. Finally, he exhibits particular sensitivity to sports injuries and is himself an amateur long-distance runner.

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.

Georgokostas Athanasios is an Orthopedic Surgeon who maintains private practices in Moschato and Psychiko. Additionally, he serves as a Scientific Collaborator at the 3rd Orthopedic Clinic of YGEIA Hospital and as a Consultant at MEDITERRANEO Hospital and YGEIA-MITERA Hospital. He graduated with honors from the Medical School of Rome and holds an ATLS (Advanced Trauma Life Support) certification from the American College of Surgeons. He specialized in the Sports Injuries and Lower Limb Reconstructive Surgery department at Hinchingbrooke Hospital NHS, in the Sports Injuries of Knee, Hip, and Ankle department at Santy and Jean Mermoz Hospital in Lyon, France, as well as in the Shoulder Surgery department at the 8th Orthopedic Clinic of Asklipieio Voula Hospital. Finally, he has extensive experience and training and has participated in numerous presentations and publications.

Ο Κωνσταντίνος Σούμπασης είναι Ορθοπαιδικός Χειρουργός με μακρά κλινική εμπειρία και εξειδίκευση στη χειρουργική γόνατος και στις αθλητικές κακώσεις, τόσο στην Ελλάδα όσο και στο εξωτερικό. Απόφοιτος της Ιατρικής Σχολής του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών (2009) και πτυχιούχος Φυσικοθεραπείας του Τεχνολογικού Εξπαιδευτικού Ιδρύματος Αθηνών, ολοκλήρωσε το 2018 την ειδικότητά του στην Ορθοπαιδική Χειρουργική, εκπαιδευόμενος σε κορυφαία Νοσοκομεία, όπως το Γενικό Νοσοκομείο Αθηνών "Ευαγγελισμός" και το Γενικό Νοσοκομείο Αττικής ΚΑΤ. Κατά τη διάρκεια της ειδίκευσης του, εξειδικεύθηκε στις κλινικές Άνω Άκρου & Χειρός, Παιδοορθοπαιδικής και Αθλητικών Κακώσεων. Υπηρέτησε ως επικουρικός επιμελητής στη Γενική Νοσοκομειακή Μονάδα Σπάρτης. Με στόχο τη διαρκή επιστημονική εξέλιξη, μετεκπαιδεύτηκε στο Ηνωμένο Βασίλειο στη Χειρουργική Γόνατος, στο Basingstoke and North Hampshire Hospital και στο Lister Hospital in Stevenage, όπου διατηρεί έως σήμερα ενεργό ρόλο ως επιστημονικός συνεργάτης. Κατά την παραμονή του στη Βρετανία, απέκτησε εις βάθος εμπειρία σε σύγχρονες και ελάχιστα επεμβατικές τεχνικές, τις οποίες εφαρμόζει με συνέπεια στην κλινική του πράξη. Σήμερα, διατηρεί ιδιωτικό ιατρείο στο Περιστέρι Αττικής και συνεργάζεται με τις ιδιωτικές κλινικές Λευκός Σταυρός, Ευρωκλινική Αθηνών, Ερρίκος Ντυνάν και Therapis General Hospital. Έχει ενεργό συμμετοχή σε πλήθος επιστημονικών συνεδρίων, ημερίδων και εξειδικευμένων σεμιναρίων στην Ελλάδα και το εξωτερικό, με στόχο τη συνεχή παρακολούθηση και εφαρμογή των νεότερων εξελίξεων στην Ορθοπαιδική Χειρουργική.

 🔹 Παρεχόμενες Υπηρεσίες

. Η ιατρική είναι ευθύνη αλλά και σχέση εμπιστοσύνης Με σεβασμό στις ανάγκες του κάθε ανθρώπου και πάντα με επιστημονική τεκμηρίωση, ο ιατρός προσφέρει ολοκληρωμένη φροντίδα διάγνωσης, θεραπείας και αποκατάστασης, συνδυάζοντας συντηρητικές και χειρουργικές μεθόδους με στόχο τη βέλτιστη έκβαση για κάθε ασθενή. Κάθε θεραπευτική απόφαση λαμβάνεται με ηρεμία, διαφάνεια και από κοινού με ζητούμενο πάντα λιγότερο πόνο,γρήγορη κινητοποίηση και ασφαλή αποκατάσταση.

Ασχολείται με:

✔️ Αθλητές και δραστήρια άτομα που επιδιώκουν επιστροφή σε υψηλό επίπεδο λειτουργικότητας

✔️ Ηλικιωμένους, με στόχο τη διατήρηση της αυτονομίας και την πρόληψη πτώσεων και επιπλοκών

✔️ Οποιονδήποτε αντιμετωπίζει πόνους ή περιορισμούς στην καθημερινή του κίνηση

      🔸 Αθλητικές Κακώσεις & Αρθροσκοπική Χειρουργική

• Αντιμετώπιση ρήξεων πρόσθιου/οπίσθιου χιαστού, μηνίσκων, συνδέσμων
• Τενοντίτιδες, διαστρέμματα, μυϊκοί τραυματισμοί
• Αρθροσκοπικές επεμβάσεις γόνατος & ώμου
• Προγράμματα αποκατάστασης και σταδιακής επιστροφής στην αθλητική δραστηριότητα

🔸 Χειρουργική Γόνατος

• Ολική Αρθροπλαστική Γόνατος
• Μονοδιαμερισματική Αρθροπλαστική
• Οστεοτομίες για πρώιμη οστεοαρθρίτιδα ή αξονικές αποκλίσεις

🔸 Χειρουργική Ισχίου

• Ολική Αρθροπλαστική Ισχίου με ελάχιστα επεμβατικές τεχνικές

🔸 Τραυματολογία

• Αντιμετώπιση καταγμάτων άνω & κάτω άκρων, λεκάνης και σπονδυλικής στήλης
• Επείγουσες χειρουργικές επεμβάσεις και συντηρητικές θεραπείες

🔸 Παθήσεις Σπονδυλικής Στήλης & Άκρων

• Οσφυαλγία, ισχιαλγία, δισκοπάθεια, αυχενικό σύνδρομο
• Σύνδρομο καρπιαίου σωλήνα, πελματιαία απονευρωσίτιδα, τενοντίτιδες

🔹 Εξειδικευμένες Θεραπείες

• Ορθοβιολογικές θεραπείες: PRP, υαλουρονικό, αυτόλογοι αυξητικοί παράγοντες
• Ελάχιστα επεμβατική χειρουργική άνω άκρου – μικροχειρουργική
• Προεγχειρητική και μετεγχειρητική καθοδήγηση και παρακολούθηση

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.

Gantas Georgios is an Orthopedic Surgeon who maintains his private practice in Thermi, Thessaloniki, and serves as the Head of the Orthopedic Department at the Medical Diavalkaniko Thessaloniki. With respect for the patient’s individuality and a strong sense of responsibility towards accurate diagnosis, appropriate therapeutic indications, and effective treatment, he provides high-quality medical services for comprehensive solutions to musculoskeletal health problems. The physician sees patients daily at his clinic by appointment only.

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.

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.

Ioannis Masiotis is an Orthopedic Surgeon with private practices in Agia Paraskevi and Cholargos. He holds a doctoral dissertation on the "Effect of anticoagulant factors on fracture healing," conducted in collaboration with the 4th University Clinic of the General Hospital of Attica KAT at the National Technical University of Athens. He has undergone advanced training in metabolic bone diseases and minimally invasive total hip arthroplasty techniques. Utilizing modern surgical methods (Minimally Invasive Surgery), he ensures minimal pain and rapid recovery in the management of sports injuries (meniscal tears, cruciate ligament tears, chondral lesions – cartilage transplantation, chondropathy, tendon ruptures, shoulder dislocation), knee, shoulder, ankle, and hip arthroscopies, knee and hip arthroplasty (Path and SuperPath techniques), fractures, hand disorders (carpal tunnel syndrome, ulnar neuropathy, trigger finger, tendinitis, etc.), foot conditions, and osteoporosis. Furthermore, Dr. Masiotis has authored numerous pioneering studies and publications presented at national and international conferences and is a member of the European Society of Sports Traumatology, Knee Surgery and Arthroscopy.

Papaioannou Xristoforos is an Orthopedic Surgeon and Doctor of Medicine from the Medical School of the University of Freiburg, Germany, with a private practice in Agia Varvara. After completing his studies at the Medical School of the National and Kapodistrian University of Athens, he specialized in Orthopedics and Traumatology and sub-specialized in Upper Limb, Hand Surgery, and Microsurgery at major centers in Germany. He is a certified Hand Surgeon (Handchirurg) following examinations at the University of Münster, Germany. He currently maintains a position as an Orthopedic Surgeon in the Department of Orthopedics, Traumatology & Hand Surgery at the Kreisklinikum Siegen clinic, an academic center of the University of Marburg. Furthermore, he specialized in the Department of Orthopedics, Traumatology & Hand Surgery at Darmstadt Hospital (Kreisklinikum Darmstadt). Additionally, he worked at the certified orthopedic center and arthroplasty center, as well as in the spinal surgery department of the orthopedic clinic in Lorsch, Germany, where he specialized in minimally invasive knee and hip arthroplasty surgery and in targeted fluoroscopy-guided injection therapy with slow-release corticosteroids for the management of chronic pain in spinal disorders. Finally, he served for several years as a scientific collaborator at the University of Freiburg and has numerous publications in scientific journals and conferences.

Stylianos Kouzoupis is an Orthopedic Surgeon who has maintained a private practice in Piraeus since 2004. He graduated from the Medical School of the National and Kapodistrian University of Athens and completed his specialty in Orthopedics at the Attica General Hospital KAT. He specializes in Hip and Knee Surgery, Arthroscopy, and Traumatology. In addition to his private practice, he is a Scientific Associate at "Hygeia" Hospital and Metropolitan Hospital. Previously, he worked for several years at IKA Piraeus as an Orthopedic Surgeon and served as the Physician for the Hellenic Equestrian Federation. Finally, he is a member of the Hellenic Society of Orthopedic Surgery and Traumatology.

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.

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.

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.

Paulos Xristodoulou is an Orthopedic Surgeon and Spinal Surgeon, maintaining a clinic in the center of Thessaloniki and serving as Consultant at the 2nd Orthopedic Clinic of the 424 General Military Training Hospital. He graduated from the Medical School of Aristotle University of Thessaloniki. He specialized in Orthopedic Surgery at the Hippocrateio General Hospital of Thessaloniki and further specialized in spinal surgery abroad (QMC Hospital, Nottingham, U.K.). Since 2002, he has been working at the 424 General Military Training Hospital as Consultant and Deputy Director. He deals with trauma, sports injuries, and degenerative diseases of the knee and hip. He has a particular interest and expertise in the full spectrum of Spinal Diseases including trauma, degenerative disease, infection, deformity, and congenital abnormalities. He has extensive experience in the management of herniated discs, spinal stenosis, degenerative scoliosis, adolescent scoliosis, and spinal fractures. He has attended and been an invited speaker and trainer at numerous conferences and workshops in this field. He is a member of the European Spine Society and a reviewer for the European Spine Journal.