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.

Konstantinos Xorianopoulos is an Orthopedic Surgeon - Sports Medicine Specialist - Traumatologist and maintains a private practice in the Agioi Anargyroi area. He specializes in sports injuries and traumatology and has attended specialized seminars at dedicated arthroscopy centers in the city of Tours, France. The physician is a Scientific Collaborator at the Peristeri Medical Center and the Psychiko Medical Center. In his private practice, he offers a multitude of services, tailored to the individual needs of each patient.

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.

Dr. Mparmpounakis Nikolaos MD, MSc is an Orthopedic Surgeon with private practices in Marousi within the "Mitera" Hospital, in Salamina, and in Ilisia. He holds a medical degree from the University of Medicine and Pharmacy "Iuliu Hatieganu" and completed a postgraduate program in "Metabolic Bone Diseases" at the National and Kapodistrian University of Athens. He specialized in Orthopedics at the Sports Injuries Department of the 4th Orthopedic Clinic of the General Hospital "Asklipieio" Voulas and received further training in the Shoulder Disease Clinic at the Istituto Clinico Humanitas in Milan. Additionally, he specialized in sports injuries at the Pediatric Orthopedic Clinic of the General Children's Hospital of Athens "Panagiotis & Aglaia Kyriakou" and in the management of Upper Limb and Shoulder disorders at the Microsurgery Clinic of the Attikon General Hospital of Athens KAT. Finally, he is a Scientific Collaborator at the Athens Bioclinic, the Medical Group at the Peristeri Clinic, and the Evgenidio Therapeutic Center, and collaborates with the private hospitals "Mitera," Metropolitan General, and Mediterraneo Hospital.

Antoniadou Thekla is an Orthopedic Surgeon and a PhD candidate at the National Technical University of Athens (NTUA), with a private practice in Palaio Faliro. She graduated from the Medical School of the University of Patras and completed postgraduate studies in "Exercise and Health" at the Medical School of the National and Kapodistrian University of Athens. She specialized at the 1st University Orthopedic Clinic of the Attikon University General Hospital. Her specialization continued at the Sydney Orthopaedic Research Institute and the Hospital for Special Surgery in New York. She has received a scholarship from the Hellenic Society of Reconstructive Microsurgery and

Hellenic Society of Hand Surgery and Upper Limb and has undergone further training in Hand Surgery and Reconstructive Microsurgery at Queen Victoria Hospital, NHS Trust in the United Kingdom. Finally, she possesses significant clinical experience, having worked in hospitals in the United Kingdom, and currently serves as an Orthopedic Surgeon at the Athens Medical Center and as a scientific associate of the 1st University Orthopedic Clinic of the University of Athens.

Dimitriou I. Euaggelos MD, MSc is a graduate of the Medical School of the University of Ioannina and holds a Master of Science (MSc) degree from the National and Kapodistrian University of Athens. He specialized in Orthopedics and Traumatology and sub-specialized in Hip and Knee Reconstructive Surgery, Upper Limb Surgery, Sports Injuries, Arthroscopic Surgery, Pediatric Orthopedics, and Osteoporosis treatment. He has extensive experience working at the Attica General Hospital KAT and internationally. He maintains a private practice in Melissia and performs surgeries at major private clinics in Athens.

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. 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.

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.

Andreopoulos Asimakis is an Orthopedic Surgeon - Sports Medicine Specialist who has maintained his medical practice since 2008 in Ilion, Attica. He has been a Consultant at the 1st Orthopedic Clinic of Metropolitan General since 2008 and a collaborator at the Athens Medical Center in the Peristeri Clinic. He specializes in hip and knee arthroplasties, shoulder and knee arthroscopies, and traumatology. Throughout his career, he has worked in numerous hospitals and clinics, such as the General Hospital of Attica KAT and the General Hospital of Athens "Evangelismos," treating conditions including sports injuries, sciatica, fractures, low back pain, osteoarthritis, osteosynthesis, scoliosis, and spinal stenosis. Finally, he is a member of the Athens Medical Association, the Hellenic Society of Orthopedic Surgery & Traumatology, and the Hellenic Osteoporosis Foundation.

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.

Maria Vlaxou is an orthopedic surgeon who maintains a private practice in Ilioupoli and concurrently holds the position of attending physician in the pediatric orthopedic clinic at Metropolitan Hospital.

Dr. Vlaxou was admitted to the medical school of the University of Patras in 2008 and graduated in 2014. Immediately thereafter, she worked for one year at the Corinth Hospital, where she was trained in the reception and management of polytrauma patients. From November 2015, she worked in the orthopedic oncology clinic at "Agios Savvas" Hospital, participating in major oncological surgeries and monitoring oncology patients. From June 2016 to 2023, she worked at General Hospital Georgios Gennimatas in the First Orthopedic Clinic, gaining experience in orthopedic trauma, arthroplasty of major joints, and sports injury rehabilitation. Concurrently, for two years, she completed a rotation in the Second Orthopedic Clinic of the Children's Hospital Agia Sofia, where she was trained in pediatric orthopedic trauma, neonatal hip ultrasound according to Graf, the Ponseti method, and a wide range of other pediatric orthopedic conditions.

Ο Θωμάς Χατζηπέτρου είναι Ορθοπαιδικός Χειρουργός, με εξειδίκευση στις αθλητικές κακώσεις και στη ρομποτική χειρουργική ισχίου και γόνατος και διατηρεί ιδιωτικό ιατρείο στην Θεσσαλονίκη. Είναι απόφοιτος της Ιατρικής Σχολής του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης και ειδικεύτηκε στην Ορθοπαιδική Χειρουργική στο Γενικό Νοσοκομείο Θεσσαλονίκης «Άγιος Παύλος», στο Τμήμα Αθλητικών Κακώσεων. Το κλινικό του αντικείμενο περιλαμβάνει τη διάγνωση και αντιμετώπιση μυοσκελετικών παθήσεων και αθλητικών τραυματισμών, καθώς και τη ρομποτικά υποβοηθούμενη αρθροπλαστική ισχίου και γόνατος. Η θεραπευτική προσέγγιση προσαρμόζεται στις ανάγκες κάθε ασθενούς, από τη συντηρητική αντιμετώπιση έως τη χειρουργική θεραπεία και τη μετεγχειρητική αποκατάσταση. Διαθέτει πολυετή εμπειρία στην ιατρική υποστήριξη αθλητών υψηλού επιπέδου. Έχει αναλάβει καθήκοντα επικεφαλής ιατρού στις Εθνικές Ομάδες Καλαθοσφαίρισης U16 και U20, συμμετέχοντας σε ευρωπαϊκά πρωταθλήματα και διεθνείς διοργανώσεις της FIBA. Έχει επίσης προσφέρει ιατρική υποστήριξη στην ανδρική ομάδα χειροσφαίρισης του ΠΑΟΚ και στην ποδοσφαιρική ομάδα των Ακριτών Συκεών. Δίνει έμφαση στη σαφή ενημέρωση του ασθενούς, στην εξατομικευμένη επιλογή θεραπείας και στη συνεχή παρακολούθηση της αποκατάστασης, με στόχο τη βελτίωση της κινητικότητας και την ασφαλή επιστροφή στην καθημερινότητα και την άθληση.

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.

Triantafyllidis Pantelis is an Orthopedic Surgeon with a clinic located in Galatsi, Marousi. He specializes in Knee and Hip Arthroplasty, Robotic Arthroplasty, Arthroscopic surgery of the knee, shoulder, and ankle, the treatment of Sports injuries, Osteoporosis, and fracture management. Additionally, during his specialty training, he has been trained in Microsurgery and upper limb surgery, as well as Pediatric Orthopedics. The clinic treats adult and adolescent patients with all types of orthopedic problems. Concurrently, he serves as the Director and Scientific Supervisor of the orthopedic department at Orthobiomed. He performs surgeries and collaborates with major hospitals in Athens, such as "Hygeia," where he also served as Deputy Director, and Mitera. He graduated from the Medical School of the University of Ioannina, holds a specialty title in Orthopedic Surgery from the Orthopedic Clinic of the University of Athens at KAT Hospital, and is a PhD candidate at the Medical School of the National and Kapodistrian University of Athens. He has participated in the education of students in Orthopedics and the first aid laboratory for Physiotherapy students. He has served as a physician for various teams and sports clubs and has operated on numerous athletes. He has participated as a speaker and organizer in numerous conferences, lectures, and presentations in Greece and abroad, as well as in writing articles for Greek and international scientific journals. Finally, he is a member of many Greek and international scientific societies.

Petroulakis Vasilis is an Orthopedic Surgeon and maintains a private practice in Chania. He served for over 20 years as the coordinating Director - Head of Department - of the Orthopedic Clinic at the Chania Hospital, one of the largest clinics in the country. He possesses extensive experience in all orthopedic conditions, both in traditional orthopedics and traumatology. He has been a president, organizer, trainer, and speaker at numerous conferences in Greece and abroad, and is a member of several European and Greek scientific societies.

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.

Ksomeritaki Eleni is an Orthopedic Surgeon and maintains a private practice in Pangrati. She studied at the Medical School of the University of Crete in Heraklion. She served her mandatory Rural Service at the Vamou Health Center in Chania. In 1998, she obtained her specialty title in Orthopedic Surgery and Traumatology. She specialized in Orthopedics at the Asklipieio Hospital of Voula and at KAT Hospital in specialized departments of hand surgery, microsurgery, and pediatric orthopedics. Additionally, she completed postgraduate studies in the organization and management of health services. She has completed three years of training in medical acupuncture (2 years at the Northern Greece Institute of Acupuncture and 1 year at the Medical Acupuncture Training Center) and holds certification according to the standards of ICMART - International Council of Medical Acupuncture Related Techniques. Furthermore, she has been trained in homeopathy. Alongside Orthopedics, she has been practicing acupuncture since 2010, primarily addressing musculoskeletal pain by administering homeopathic medicines in combination.

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.

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.