Orthopaedic - Orthopaedic Surgeons with experience in Κnee arthroplasty

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.

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.

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.

Papagiavis Anastasios is an Orthopedic Surgeon specializing in Hip and Knee surgery, maintaining a private practice at Mavili Square and is the founder of the hip-knee team. He obtained his Medical Degree in 2002 and worked as a Military Doctor until 2006 in Athens, Tripoli, and Cyprus. He received advanced training in the specialized treatment of Knee and Hip conditions in the U.S. (Hedley Orthopaedic Institute) and the United Kingdom (City Hospital - Nottingham, Nuffield Orthopaedic Hospital – Oxford, UK). He applies the most innovative SuperPATH MIS technique in Hip Arthroplasty, having been trained by the method’s inventor, Dr. Jimmy Chow. In Knee Surgery, he employs minimally invasive techniques combined with robotic assistance, resulting in rapid recovery with less pain and complications. He undertakes complex cases within his specialty, offering the most modern and effective treatments. His principle is the customization of therapy to the specific characteristics of each patient and the integration of new technological advancements into his surgical practice. More specifically, he performs hip and knee arthroplasty, knee arthroscopy, surgery for cruciate ligament tears - meniscal tears and cartilage defects of the knee, hip fractures, lower limb fracture surgery (femur - tibia), sports injuries, hip and knee arthroplasty revisions, and specialized hip and knee procedures. Finally, the physician serves as Chief Medical Officer at the 401 General Military Hospital and operates at Hygeia Group and other private clinics in Athens.

Spyrantis Manolis is an Orthopedic Surgeon practicing privately in Heraklion, Crete. He studied at the Medical School of Aristotle University of Thessaloniki and is currently pursuing postgraduate studies in Surgical Sciences at the University of Crete. He began his specialization in Orthopedics at the Venizeleio-Paneio General Hospital, where he participated in numerous surgeries addressing trauma, sports injuries, and joint arthroplasties. He continued his training at the Attikon General Hospital "KAT," specializing in upper limb disorders and minor surgeries, as well as at the Paediatric Hospital "Panagiotis & Aglaia Kyriakou." He possesses significant clinical experience, having served as Assistant Consultant B' in Orthopedics at Venizeleio-Paneio General Hospital and Assistant Consultant B' in Orthopedics at the University General Hospital of Heraklion, focusing on arthroscopic surgery, reconstructive surgery of major joints, and trauma management. Furthermore, he has participated in numerous medical conferences, and his scientific contributions include oral presentations, research papers, and contributions to medical textbook authorship.

Popovski Grigorios is an Orthopedic Surgeon with private practices in Thessaloniki and Peraia. He holds a medical degree from the School of Health Sciences in Croatia and specialized in Sports Injuries at the General Hospital of Thessaloniki “Agios Savvas” and in Spine Surgery at the University General Hospital of Thessaloniki AHEPA. He has worked as an Orthopedic Surgeon in the Orthopedic Department of the General Hospital of Thessaloniki “Agios Pavlos” and collaborates with the “Agios Loukas” Clinic, the Diavalkaniko Center, and the Bioclinic of Thessaloniki. Finally, he is a member of the Medical Association of Thessaloniki.

Nikolopoulos Aleksandros MD is an Orthopedic Surgeon - Traumatologist - Sports Medicine Specialist with a private practice in Daphne. He holds a degree from the Faculty of Medicine at the University of Thessaly. He specialized at the General Surgery Clinic of the General Hospital of Karditsa and subsequently moved to Germany, where he continued his specialization in Orthopedics and Traumatology at one of the largest orthopedic clinics in the country, St. Anna Hospital, Herne. For two football seasons, he served as the Sports Medicine Physician for the youth football academies of Schalke 04 e.V., accompanying the teams to home and away matches, gaining significant experience in the management of sports injuries. He worked at the distinguished University Hospital of Bochum, St Josef Hospital - Universitätsklinikum der Ruhr Universität Bochum, where he obtained the Medical Specialty title in Orthopedics and Traumatology and continued his career there as a Consultant. Throughout his career, he has participated in numerous international scientific conferences and seminars, including key topics such as: ultrasonographic neonatal diagnostics according to Graf for early detection of hip dysplasia, specialized traumatology under the auspices of AO Trauma, endoscopic spinal surgery, emergency pre-hospital medicine (Notarzt), pediatric orthopedics, arthroscopic knee and shoulder surgery, microsurgery and arthroscopic surgery of the hand, reconstructive knee and hip surgery, among others. Overall, he has acquired substantial experience across the full spectrum of orthopedics and traumatology as well as significant surgical expertise, performing numerous complex surgical procedures in both adults and children. Finally, the physician is a member of the International Traumatology Society AO Trauma (Arbeitsgemeinschaft für Osteosynthesefragen) and the Hellenic Osteoporosis Foundation.

Ο Κουτσουράδης Παναγιώτης MD, MSc είναι Ορθοπαιδικός Χειρουργός με ιδιωτικό ιατρείο στο Παλαιό Φάληρο. Είναι πτυχιούχος της Ιατρικής Σχολής του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών και εργάστηκε ως ειδικευόμενος Γενικής Χειρουργικής στη Β΄Χειρουργική Κλινική του Ειδικού Αντικαρκινικού Νοσοκομείου Πειραιά "Μεταξά". Μετέπειτα έγινε δεκτός στο University College of London (UCL), όπου και παρακολούθησε το μεταπτυχιακό πρόγραμμα με αντικείμενο την αθλητιατρική και τις αθλητικές κακώσεις (Sports Medicine, Exercise and Health). Παράλληλα, παρακολουθούσε και συμμετείχε σε χειρουργικές επεμβάσεις που λάμβαναν χώρα στο University College Hospital του Λονδίνου. Κατόπιν εξετάσεων και εκπόνησης της μεταπτυχιακής διατριβής του με τίτλο "A Service Evaluation On Outcome Predictors To A Non-operative Multimodal Programme For Knee Osteoarthritis", έγινε κάτοχος του τίτλου Master of Science (MSc) in Sports Medicine, Exercise and Health. Απέκτησε τον τίτλο ειδικότητας κατόπιν εξετάσεων τον Μάιο του 2019. Aπό το 2014 έως το 2019, ειδικεύτηκε στην Ορθοπαιδική Χειρουργική και Τραυματολογία. Συγκεκριμένα εργάστηκε για 4 έτη στην Ορθοπαιδική Κλινική του 417 ΝΙΜΤΣ και για 1 έτος στην Α΄ Ορθοπαιδική Κλινική του Νοσοκομείου Παίδων "Η Αγία Σοφία". Κατά τη διάρκεια του ανωτέρω χρονικού διαστήματος εκπαιδεύτηκε σε όλο το φάσμα της Χειρουργικής Ορθοπαιδικής και Τραυματολογίας και ιδιαίτερα στην αρθροσκοπική και επανορθωτική χειρουργική ενηλίκων. Από τον Ιούλιο του 2019 έως και τον Μάιο του 2024 εργαζόταν ως Επιμελητής στην Κλινική Επανορθωτικής Χειρουργικής Ποδιού και Ποδοκνημικής του ιδιωτικού θεραπευτηρίου Mediterraneo Hospital στη Γλυφάδα, ενώ από τον Ιούνιο του 2024 κατέχει ανάλογη θέση στο Ιατρικό Κέντρο Αθηνών(Παλαιό Φάληρο). Από το Φεβρουάριο του 2019 ο ιατρός είναι υποψήφιος διδάκτωρ της Ιατρικής Σχολής του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών.Είναι συγγραφέας εννέα δημοσιεύσεων σε διεθνή αναγνωρισμένα επιστημονικά περιοδικά, καθώς και άλλων εργασιών και ανακοινώσεων σε ελληνικά επιστημονικά συνέδρια. Τέλος, στα πλαίσια της συνεχούς πρακτικής και θεωρητικής του εκπαίδευσης έχει εκπαιδευθεί και πιστοποιηθεί σε διάφορα courses που έλαβαν χώρα στην Ελλάδα και στο εξωτερικό, ενώ παράλληλα έχει παρακολουθήσει και παρακολουθεί διάφορα επιμορφωτικά σεμινάρια.

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.

Ο Παπαδόπουλος Παναγιώτης MD, MSc είναι Ορθοπαιδικός Χειρουργός, Υποδιευθυντής της Γ΄ Ορθοπαιδικής Κλινικής ΥΓΕΙΑ. Έχει εξειδίκευση στην Αρθροσκοπική και Ανοικτή Χειρουργική Ώμου και Γόνατος, στις Αθλητικές Κακώσεις, την Επανορθωτική Χειρουργική και στις σύγχρονες συνδυαστικές Βιολογικές θεραπείες. Διαθέτει ιδιαίτερο κλινικό και ερευνητικό ενδιαφέρον στην αντιμετώπιση των παθήσεων του ώμου με σύγχρονες τεχνικές ελάχιστης επεμβατικότητας, προηγμένες αρθροσκοπικές μεθόδους και καινοτόμα βιολογικά πρωτόκολλα, με στόχο τη γρήγορη λειτουργική αποκατάσταση και τη μακροχρόνια σταθερότητα του ώμου. Το 2018 μετεκπαιδεύτηκε στη Λυών της Γαλλίας σε ένα από τα κορυφαία κέντρα χειρουργικής ώμου παγκοσμίως, το Centre Orthopédique Santy – FIFA Medical Center of Excellence, όπου ολοκλήρωσε το Shoulder Clinical Fellowship. Κατά τη διάρκεια της μετεκπαίδευσής του εργάστηκε επίσης στο Hôpital Privé Jean Mermoz, αποκτώντας πρακτική εμπειρία σε εξειδικευμένες επεμβάσεις ώμου, σύνθετες βλάβες τενοντίου πετάλου, αστάθειες, αντιμετώπιση καταγμάτων και επανορθωτικές τεχνικές αρθροπλαστικής υψηλής δυσκολίας, υπό την καθοδήγηση διεθνώς αναγνωρισμένων χειρουργών. Έχει παρουσιάσει επιστημονικές εργασίες, τεχνικές και κλινικά δεδομένα σε πολυάριθμα συνέδρια στην Ελλάδα και το εξωτερικό, συμβάλλοντας στη διάδοση της σύγχρονης αρθροσκοπικής χειρουργικής και της ελάχιστα επεμβατικής προσέγγισης στις αθλητικές κακώσεις και στις παθήσεις του ώμου. Επίσης έχει υπάρξει εκπαιδευτής νεότερων Ιατρών στις πιο σύγχρονες χειρουργικές τεχνικές αντιμετώπισης του συνόλου της παθολογίας του ώμου. Από το 2025 κατέχει τη θέση του Υποδιευθυντή της Γ’ Ορθοπαιδικής Κλινικής του Νοσοκομείου ΥΓΕΙΑ, συμμετέχοντας ενεργά στη λειτουργία της Κλινικής, στην ανάπτυξη θεραπευτικών πρωτοκόλλων και στη διαχείριση σύνθετων περιστατικών. Παράλληλα, αποτελεί μέλος της επιστημονικής ομάδας του Athens Shoulder Institute, συμμετέχοντας: στο Τμήμα Εκπαίδευσης (Education and Training) για την ανάπτυξη και διδασκαλία σύγχρονων τεχνικών χειρουργικής ώμου, στο Τμήμα Οργάνωσης και Κλινικού Έργου, συμβάλλοντας στον συντονισμό, στην παροχή υψηλού επιπέδου κλινικών υπηρεσιών και στην ενιαία στρατηγική του Κέντρου, στο Τμήμα Προβολής και Ενημέρωσης, με στόχο την επιστημονική εξωστρέφεια, τη δημιουργία εκπαιδευτικού υλικού και την αναβάθμιση της παρουσίας του Κέντρου στην ιατρική κοινότητα. Διατηρεί ιατρείο Ελάχιστα Επεμβατικής Χειρουργικής στη Γλυφάδα και το Μαρούσι όπου αντιμετωπίζει εξειδικευμένα παθήσεις ώμου και γόνατος, αθλητικές κακώσεις και σύνθετα ορθοπαιδικά περιστατικά, εφαρμόζοντας εξατομικευμένες, τεκμηριωμένες και βιολογικά ενισχυμένες θεραπευτικές προσεγγίσεις.

Dimitrios Xrysovitsianos is an Orthopedic Surgeon who maintains a private practice in Ilion. He holds a degree from the Medical School of the National and Kapodistrian University of Athens and specialized in Orthopedics - Orthopedic Surgery at the Attikon General Hospital of Athens KAT. He is specialized in microsurgery, upper limb and hand surgery, sports injuries, pediatric and adult trauma, osteoporosis, arthritis treatment, hip and knee arthroplasties, and foot disorders. He serves as the Chief of the Orthopedic Clinic of the Upper Limb Surgery - Traumatology Department at Euroclinic Athens, as well as Consultant at the First Pediatric Orthopedic Clinic of the Marousi Medical Center. Additionally, he is a member of the SOS Doctors. Previously, he has served as Consultant in Upper Limb Surgery at Metropolitan Hospital. He has significant professional experience in private hospitals in Athens, having worked in these institutions since 2001. Finally, the doctor has participated in numerous lectures and orthopedic conferences and has authored many medical papers, aiming for continuous engagement with advancements in his field.

Dr. Theodosios Koukoumpis, MD, PhD, is an Orthopedic Surgeon with a private practice in Thessaloniki. His medical education and specialty training were initially completed at the University of Ioannina, followed by further training in the United States. His specialization and primary scientific interest lie in adult reconstructive surgery, with a particular focus on the Hip and Knee. Surgically, he employs modern techniques in Total Hip Arthroplasties for degenerative diseases as well as for complex Congenital Hip Dislocations, and also in Total Knee Arthroplasties. Where indicated for the patient's benefit, he applies minimally invasive surgical approaches (MIS) and selects the ideal implant for each patient, with appropriate planning and the highest quality materials. In Knee Arthroplasties, he utilizes advanced preoperative planning with Computed Tomography to employ patient-specific instruments (PSI). Finally, his scientific work includes hundreds of published papers, presentations, organization of conferences, and chairing of conferences both in Greece and internationally.

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.

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.

Tolis Konstantinos MD, MSc, PhDc is an Orthopedic Surgeon with a private practice in Kolonaki. He graduated from the Medical School of the National and Kapodistrian University of Athens and is a PhD candidate at the same institution. Additionally, he holds a postgraduate degree in "Metabolic Bone Diseases" with a thesis on the "Pathophysiology of Bone Pain" from the Medical School of the National and Kapodistrian University of Athens. He initially specialized in General Surgery at the General Hospital of Pyrgos "Andreas Papandreou," in Pediatric Orthopedics at the First Pediatric Orthopedic Clinic of the General Children's Hospital of Athens "P. & A. Kyriakou," and finally in General Orthopedics at the First University Orthopedic Clinic of the University General Hospital "Attikon." From 2014 to 2020, he was an Academic Fellow at the Laboratory for Research of Musculoskeletal Disorders "Th. Garofalidis," focusing on "Microsurgery" at the General Hospital of Attica KAT. He is the Deputy Director of the 8th Orthopedic Clinic at Metropolitan General and the Scientific Director of the Upper Limb - Microsurgery Clinic. Concurrently, he collaborates with several clinics within Attica. He has participated in numerous conferences in Greece and abroad, presenting poster presentations, oral communications, and lectures. Finally, he is a member of the Athens Medical Association, the Hellenic Society of Orthopedic Surgery and Traumatology, the Hellenic Osteoporosis Foundation, and the Hellenic Society for Hand Surgery.