2010-2012: (Specialist. Dr.) TR Ministry of Health, Istanbul Metin Sabancı Bone Diseases Training and Research Hospital
2012-2017: (Specialist Dr.) TR Ministry of Health, Istanbul Metin Sabancı Bone Diseases Training and Research Hospital
2017-Present: Assoc. Dr. Istanbul Aydın University VM Medical Park Hospital
1. European Board of Orthopedics and Traumatology(EBOT), Member, 2014
2. Hip and Knee Arthroplasty Association, Member, 2014
3. Orthopedic Trauma Branch, Member, 2011
4. Turkish Orthopedics and Traumatology Education Council (TOTEK), Member, 2010
5. Turkish Orthopedics and Traumatology Association (TOTBID), Member, 2007
6. Turkish Orthopedics and Traumatology Association (TOTDER), Member, 2005
7. Turkish Medical Association Istanbul Branch, Member, 2005
COMMITMENT, PROVINCIAL HEALTH DIRECTORATE, 2011
Read moreCitizenship : Turkmenistan
Place / Date of Birth: Turkmenistan / 1988
EDUCATION STATUS
2005-2011 Medical Education: Istanbul Faculty of Medicine
2013 – 2018 Specialization Training: M.S Baltalimani Bone Diseases Training and Research Hospital
WORK EXPERIENCE
2018 – 2021 year: Private Baypark Hospital
2021 -2022 year : Private TRG Hospitalist Hospital
2022- : Private Küçükçekmece Hospital
EDUCATION AND SEMINARS
Various Orthopedics congresses with national and international participation
FOREIGN LANGUAGE
English Russian
ORGANIZATIONS OF ITS MEMBERSHIP
Turkish Medical Association
Turkish Orthopedic Association Association
AREAS OF EXPERTISE
Trauma surgery (Fractures-dislocations)
Sports and soft tissue injuries (Anterior cruciate ligament, meniscus, other ligament and tendon tears)
Knee-Shoulder-Ankle Arthroscopy
Calcification of the Joints Diagnosis and Treatment (Knee, Hip, Shoulder, Ankle)
Prosthetic Surgery
Pediatric Orthopedics (Congenital hip dislocation, clubfoot..)
Diagnosis and Treatment of Spinal Diseases
Hand and Microsurgery
Read morePlace and Date of Birth: 08.12.1983 / ANKARA
Nationality: T.R.
Marital Status: He is married and has 1 child.
Foreign Language: English
Education
•Hamdullah Suphi Tanrıöver Primary School/Istanbul
• Karşıyaka Anatolian High School/İzmir
•Gülhane Military Medical Academy (2001 – 2007)
•Haydarpaşa Numune Hospital Orthopedics Clinic – Specialization (2012-2018)
Professional Experience
•Sahra Medical School Samsun (2007-2008)
•Ankara Gendarmerie Logistics Command Dispensary (2008-2010)
•Üsküdar Private Yunus Emre Hospital Emergency Physician (2010-2012)
•Haydarpaşa Numune Hospital Orthopedics Clinic (2012-2018)
•Şanlıurfa Suruç State Hospital (2018-2019)
•Np Istanbul Brain Hospital Orthopedic Specialist – Surgical Branch Specialist Medical
Deputy Director (2019- December 2020)
Medipol University Pendik Hospital (2020 -)
Member of Scientific Organizations
• Chamber of Physicians
• Turkish Orthopedics and Traumatology Association
• Turkish Industry and Business Association
• Robotic Knee Surgery Association
Scientific Studies
• Prevalence of metabolic syndrome and frequency of cardiovascular risk factors in obese children M.Emre Taşcılar , Bülent Hacıhamdioğlu , Mehmet Soyarslan, Ayhan Abacı
(Gülhane Medical Journal 2010;52 :32-35)
• Determination of the hip rotation centre from landmarks in pelvic radiograph Hasan Bombacı, Bestami Şimşek, Mehmet Soyarslan Murat Yıldırım (Acta orthopaedica et traumatologica turcica 51(6) October 2017)
• Compartment syndrome secondary to Baker’s cyst rupture: A case report and up-todate review Serkan Erkuş, Mehmet Soyarslan, Özkan Köse, Önder Kalenderer
(International Journal of Critical Illness and Injury Science 9(2):82 April 2019)
• Cutibacterium Acnes (Formerly Propionibacterium Acnes) Incidence In Shoulder Arthroscopy and Correlation with the Clinical Status Mehmet Soyarslan, Mehmet Kerem Canbora, Özkan Köse (HNH Medical Journal January 202
• 25. National Orthopedics and Traumatology Congress (2015)
1) Comparison of open and closed surgery in pediatric supracondylar humerus fractures (Poster)
2) What affects the clinical outcome most in open tibia fractures?
Is it the type of treatment chosen or the extent of the damage? (Poster)
3) Does lateral epicondylitis affect grasp strength? (Oral statement)
• 26. National Orthopedics and Traumatology Congress (2016)
1) Detection of hip rotation center in the pelvis X-ray of adult Turkish individuals (Poster)
• Hasan Bombaci* , Bestami Simsek, Mehmet Soyarslan, Mustafa Murat Yildirim, Determination
of the hip rotation centre from landmarks in pelvic radiograph, Acta Orthopaedica et
Traumatologica Turcica, Available online 10 October 2017, doi:
https://doi.org/10.1016/j.aott.2017.09.004
• 38. SICOT World Congress (Cape Town/South Africa 2017)
1) P.acnes Insidence In Shoulder Arthroscopy and Correlation With The Clinical Results
(Poster)
• 27. National Orthopedics and Traumatology Congress (2017)
1) “Propionibacterium acnes” Incidence and Clinical Reflections in Tissue Cultures Taken in Shoulder Arthroscopy
(Oral statement)
• 28. SECEC-ESSE Congress (Geneva/Switzerland 2018)
1) P.acnes Insidence In Shoulder Arthroscopy and Correlation With The Clinical Results
(Oral statement)
• 28. National Orthopedics and Traumatology Congress (2018)
1) Is hip flexion effective on respiratory and hemodynamic parameters of patients who underwent shoulder arthroscopy in the sitting position? (Oral statement)
2) Our Conventional Titanium Plate and PEEK Plate Applications in Multipartite Upper End of Humerus Fractures in Patients aged 55-70 years who were treated with Surgery: Is There a Radiological and Clinical Difference? (Oral statement)
• 10. Shoulder and Elbow Surgery Congress (2018)
1) “P.acnes” Incidence and Clinical Results in Shoulder Arthroscopy: Our Conventional Titanium Plate and PEEK Plate Applications in Multipartite Upper End of Humerus Fractures in Patients aged 55-70 years who were treated with Glenohumeral Joint and Surgery: Is There a Radiological and Clinical Difference? (Oral statement)
2) Evaluation of the Diagnostic Value of the Pain Chart in the Pathologies of the Shoulder in Patients Undergoing Arthroscopic Surgery (Poster)
• 1. Digital Shoulder Elbow Surgery Association Congress (2020)
1) Are the Size of Bone Loss and Number of Anchors Effective in Clinical Results and Failure after Arthroscopic Bankart Repair of Recurrent Shoulder Dislocations?
(Oral statement)
2) K-wire migration into the spinal canal after acromioclavicular dislocation surgery: Case
Presentation (Poster)
VI- Courses
• Training Course of Emergency Medicine Trainer (2007)
• PEV DDH (Developmental Hip Dysplasia and Pes Echinovarus) Course (2016)
• Basic Arthroscopy Course (2016)
• Turkish Orthopedics and Traumatology Education Council Basic Sciences School (2016)
• Acıbadem University Tibia Fractures Cadaver Course (2017)
• Bone and Soft Tissue Tumors Basic Course (2017)
• Knee Joint Arthroscopy and Foot - Ankle Surgical Interventions Applications Cadaver Courses (2017)
• Acıbadem University Advanced Knee Peripheral Sports Injuries Cadaver Course(2018)
• LIMA Corporate Shoulder Surgery Cadaver Course Verona/Italy (2018)
• Gazi University Ankle Arthroscopy Cadaver Course(2019)
• Antalya University Knee Arthroscopy Cadaver Course (2019)
• Antalya University Ankle Arthroscopy Cadaver Course (2019)
• Basic Microsurgery Course – Ankara (2019)
• Antalya University Wrist Arthroscopy Cadaver Course (2019)
Read moreName Ahmet Dogan, Prof. Dr.
Date of birth September 25, 1970
Place of birth Biga, Canakkale, Turkey
Citizenship Republic of Turkey
Marital status Married
Hospital Department of Orthopaedic Surgery and Traumatology,
Current position Chief in Department of Orthopaedic Surgery and
Traumatology,
Education
Education and Research Hospital, Istanbul, Turkey.
Date and location of Orthopedic Certification:
January 29, 2001, Istanbul Education and Research Hospital, Istanbul, Turkey.
Fellowship: 01.02-31.03 2010 Orthopadisches Spital Speising (Prof.Dr.Franz Grill), Wien, Austria.
31.07.1993-31.07.1994 Erzincan State Hospital (Emergency Department), Erzincan,
as a general practitioner.
01.08.1994-01.12.1995 Isparta Military Hospital, Isparta, Turkey (Military sevice),
as a general practitioner.
01.01.1996-01.01.1997 Erzincan State Hospital (Emergency Department), Erzincan,
as a general practitioner.
02.01.1997-29.05.2001 Istanbul Education and Research Hospital, Istanbul, Turkey.
as a resident in Orthopaedic Surgery and Traumatology.
01.06.2001-25.05.2004 SSK Fethiye Hospital, Fethiye, Mugla, Turkey
as an Orthopaedic surgeon.
02.06.2004-13.11.2011 Istanbul Education and Research Hospital, Istanbul, Turkey
as an Orthopaedic surgeon.
14.11.2011-31.07.2016 Medical Park Bahcelievler Hospital, Istanbul, Turkey
as an Orthopaedic surgeon.
01.08.2016- 11.05.2019 Kolan International Hospital, Okmeydani, Sisli, Istanbul
as an Orthopaedic surgeon.
Paediatric Orthopaedic Society
Turkish Medical Association
Turkish Society of Orthopaedic Surgery and Traumatology
Turkish Ilizarov Society (Turkish ASAMI)
Europian Paediatric Orthopaedic Society (EPOS)
11.05.1998-13.05.1998, Courses given by Prof. R, Graf, Stolzalpe, Austria.
13.05.1998-15.05.1998, Courses given by Prof. R, Graf, Stolzalpe, Austria.
03.08.1998-07.08.1998, Helsinki, Finland.
May,29-01,1998, İzmir, Turkey
May,29-01,1998, Izmir, Turkey
May 24-28, 2000, San Francisco, California, USA
September 25-27,2000 “Shriners Hospital for Children “, Helsingborg, Sweden
April 5-7, 2001, Montpellier, France
April 17-20, 2002, Istanbul, Turkey
August 23-30,2002 San Diego,California, USA
XXIII World Congress,August 23-30,2005 Istanbul, Turkey.
11-14 April, 2007, Sorrento, Italy.
congress course given by Prof.M.Catagni, Prof.M.Kocaoglu, Prof.K.Tetsworth.
World Congress on External Fixation 2007, October 16, 2007, Cairo, Egypt.
October 17-19, 2007, Cairo, Egypt.
Prof.J.Herzenberg. World Congress on External Fixation 2007,
October 20-21, 2007, Cairo, Egypt
April 9, 2008 Warsaw, Poland.
April 9-12,2008 Warsaw, Poland.
April 1-4, 2009 Lisbon, Portugal.
March 22-25, 2010 Vienna, Austria.
Casablanca, Morocco
9-11 October 1998,Istanbul, Turkey.
1-3 October 1999,Istanbul, Turkey.
13-15 October 2000,Istanbul, Turkey.
Turkey
15. Serebral Palsi’de Güncel Mültidisipliner Yaklaşım Simpozyumu II, 17 Aralık
2004, Pediatrik Ortopedi Derneği, İstanbul.
16.Coxarthrosis, 3. Derviş Manizade Days, November 19-20, 2004, Department of
Orthopaedic Surgery and Traumatology, Cerrahpasa Medical School Hospital,
University of Istanbul, Istanbul, Turkey.
17. Gait patterns in lower extremity malalignment and treatment options. December 25,
2004, Department of Orthopaedic Surgery and Traumatology, Istanbul Medical
School Hospital, University of Istanbul, Istanbul, Turkey
18. V.Paediatric Orthopaedic Courses, Turkish Paediatric Orthopaedics Society
March 18-20, 2005, Istanbul, Turkey.
19. XIX. National Orthopaedy and Traumatology Congress, May 14-19, 2005, Turkish
Society of Orthopaedic Surgery and Traumatology, Antalya, Turkey
20. Contemporary fixation methods, April 7-8, 2006, XXV.Akif Şakir Şakar
Days, Turkish Society of Orthopaedic Surgery and Traumatology, Istanbul, Turkey.
21. Current concept in the treatment of developmental displasia of the hip. Courses given
by Prof.D.Tonnis. Baltalimani Education and Research Hospital, Department of
Orthopaedic Surgery and Traumatology 13-14 October 2006, İstanbul, Turkey
22. Foot and Ankle Diseases Symposium. 2 November 2006, Department of Orthopaedic
Surgery and Traumatology, Antalya Medical School Hospital, University of Akdeniz,
Antalya, Turkey.
23. Ankle Arthroscopy Course “basic”, 3-4 November 2006, Department of Orthopaedic
Surgery and Traumatology, Antalya Medical School Hospital, University of Akdeniz,
Antalya, Turkey.
24. Pediatric Knee Problems Symposium, TOTBİD, 15-16 June 2007, Istanbul.
25. PEV-DDH Course TOTBİD, Yeditepe University Tıp Fakültesi, Ortopedi ve
Travmatoloji Kliniği, İstanbul.
26. Foot and Ankle Surgery Course, TOTBİD, 14-15 Eylül 2007, İstanbul
Üniversitesi Cerrahpaşa Tıp Fakültesi, Ortopedi ve Travmatoloji Kliniği, İstanbul.
27. AO Masters Symposium Orthopaedic Trauma Update: Current Concepts in Fracture
Management, 28-29 Eylül 2007, AO Türkiye, Amerikan Hastanesi, İstanbul.
28. Pes Equinovarus
TOTDER Sürekli Eğitim Toplantıları, Sağlık Bakanlığı İstanbul Eğitim ve Araştırma Hastanesi, 13 Ocak 2007, İstanbul.
29. Kompartmant Syndrom
TOTDER Sürekli Eğitim Toplantıları, Sağlık Bakanlığı Taksim Eğitim ve Araştırma Hastanesi, 06 Ekim 2007, İstanbul.
30. XX. National Orthopaedy and Traumatology Congress
(Prof.. Dr. Rıdvan Ege Onuruna), 23-28 October, 2007, Ankara.
31. II.Turkish Talipes Equinovarus Course: Ponseti Method (eğitmen olarak),
Paediatric Orthopaedics Society, 16-17 November, 2007, Istanbul
32. IV.Pediatric Hip Ultrasound Course: Graf Method (eğitmen olarak),
Paediatric Orthopaedics Society, 15-17 February, 2008, Istanbul
33. Botulinum Toksin Course
Yeditepe Üniversitesi Tıp Fakültesi, Ortopedi ve Travmatoloji Kliniği, 30 April 2008, Istanbul.
34. 4.Ortopedi Buluşması
Türk Ortopedi ve Travmatoloji Birliği Derneği, 23-27 Nisan 2008, Antalya.
Paediatric Orthopaedics Society, November, 2010, Istanbul.
6.Uludağ Ortopedi ve Travmatoloji Günleri, El Cerrahisi Toplantısı
Paediatric Orthopaedics Society, 18-19 October 2014, Afyon
TOTBİD Ayak ve Ayak Bileği Cerrahisi Şubesi, 9-10 October 2015, Istanbul.
TOTBID, 27 October-1 November 2015, Antalya.
XIII.Artroplasti Kış Toplantısı
26 February-1 March 2015, Bursa.
Paediatric Orthopaedics Society, 7-8 March 2015, Izmir
28 October 2015, Istanbul.
Paediatric Orthopaedics Society, 19-20 December 2015, Istanbul.
12-15 May 2016, Istanbul.
A.Erdem Bagatur, Ahmet Dogan, Gazi Zorer
Acta Orthop Traumatol Turc 2001; 35:245-251.
A.Erdem Bagatur, Ahmet Dogan, Gazi Zorer
Acta Orthop Traumatol Turc 2001; 35:336-341.
by distraction osteogenesis.
A.Erdem Bagatur, Ahmet Dogan, Gazi Zorer
Acta Orthop Traumatol Turc 2002; 36:111-116.
Ahmet Dogan, A.Erdem Bagatur, Gazi Zorer
Acta Orthop Traumatol Turc 2002, 36: 248-255.
Yusuf Ozturkmen, Cemal Dogrul, Ahmet Dogan, Mahmut Karli
Ulus Travma Acil Cerrahi Derg. 2002; 8(3): 164-169
Gazi Zorer, A.Erdem Bagatur, Ahmet Dogan, Tayyar Unlu
Acta Orthop Traumatol Turc 2003; 37: 162-69.
bandages for sterilization
Ahmet Dogan, Mehmet Albayrak, I.Erhan Mumcuoglu
Acta Orthop Traumatol Turc 2005;39:437-40
clinical and radiographic results
Ahmet Dogan, Mehmet Albayrak, Fatih Ugur, Gazi Zorer
Acta Orthop Traumatol Turc 2006;40:220-7
8. Traumatic obturator hip dislocation in a five-year-old boy: open reduction after a
six-weeks delay in diagnosis.
Mehmet Albayrak, Ahmet Dogan, Y.Bilge Surel
Acta Orthop Traumatol Turc 2006;40:260-3.
9. The results of calcaneal lengthening osteotomy for the treatment of flexible pes
planovalgus and evaluation of alignment of the foot
Ahmet Dogan, Mehmet Albayrak, Y. Emre Akman, Gazi Zorer
Acta Orthop Traumatol Turc 2006;40(5):356-366
10. İdiyopatik karpal tünel sendromlu hastalarda transvers karpal ligaman ve fleksör
tenosinovyum örneklerinde histopatolojik çalışma
A.Erdem Bagatur, Sergulen Dervisoglu, Mehmet Albayrak, Ahmet Dogan, I.Erhan Mumcuoglu, Gazi Zorer
Eklem Hastalıkları ve Cerrahisi Derg. 2006; 17(2):72-78.
Read more
Sports Injuries and Surgical Treatment (Arthroscopic and Open
Surgical Treatments of Knee, Hip, Elbow, Shoulder, Ankle injuries)
Shoulder and Elbow Diseases and Surgical Treatment
Joint and Cartilage injuries
Hand and Upper Extremity Surgery and Reconstruction
Joint Arthroplasty (Knee, Hip and Shoulder Prosthetic Surgery)
Treatment of Trauma (Orthopedic Fractures, Dislocations and Soft tissue injuries)
Graduation, Istanbul University Cerrahpaşa Faculty of Medicine
Specialty Training, Bezmialem Foundation University Faculty of Medicine Department of Orthopedics andTraumatology
South Korea Korean Shoulder and Elbow Society (KSES) Traveling Fellowship Scholarship Award in SouthKorea
Orthopedic Trauma Research Assistant, Thomas Jefferson University Research Fellowship Program
Maltepe University Faculty of Medicine Hand and Upper Extremity Surgery Fellowship Program
State service obligation, Ordu Ünye State Hospital
Istanbul Okmeydanı Training and Research Hospital
Associate Professor Doctor, Okmeydanı Training and Research Hospital
Clinical administrative responsibility, Prof. Dr. Cemil Taşçıoğlu State Hospital
Professor Doctor,Chief Physician,Clinical Training Officer, Istanbul Baltalimanı Bone Diseases Training and Research Hospital
Liv Hospital
Turkish Orthopedics and Traumatology Education Council (TOTEK),
Turkish Society of Orthopaedics and Traumatology (TOTBİD),
Turkish Society of Shoulder Elbow Surgery
Turkish Society of Sports Traumatology Arthroscopy and Knee Surgery (TUSYAD)
European Society For Surgery Of The Shoulder And The Elbow (SECEC)
Turkish Medical Association Reconstructive Microsurgery Association
Member of the Ethics Committee of the Turkish Association of Orthopedics and Traumatology
Turkish Medical Association, Istanbul Medical Chamber
Read moreSports Injury Treatment and Rehabilitation,
Arthroscopic Surgery of Articular Cartilage and Ligament Injuries,
Treatment of Complex Bone Fractures
Cell Applications
Bachelor’s Degree-Marmara University Faculty of Medicine (English Medicine) 2000-2007
Residency-Uludağ University Faculty of Medicine, Department of Orthopedics and Traumatology 2007-2012
2007-2012 Uludağ University Faculty of Medicine, Department of Orthopedics and Traumatology - Assistant Doctor
2013 - 2016 İstanbul Medeniyet University Göztepe Training and Research Hospital - Orthopedics Specialist
2016 - 2017 Çerkezköy State Hospital-Orthopedics Specialist / Attending Physician
2017 - 2018 Çorlu State Hospital-Orthopedics Specialist
2018 - 2022 Maltepe University Faculty of Medicine, Department of Orthopedics and Traumatology - Dr. Lect. / Associate Prof. Dr.
2022-Still Liv Hospital Vadistanbul - Associate Prof.Dr.
• Evaluation of axillary nerve integrity and shoulder functions in patients who underwent lateral deltoid splitting approach, Clinical Research Maltepe University Hospital - İstanbul - Turkey, Research, 01.02.2015 -01.07.2018 (National)
• Radiological and clinical outcomes of medial approach open reduction by using two intervals in developmental dysplasia of the hip., Clinical Research, Goztepe Training and Research Hospital - Istanbul - Turkey, Research,
• Effect of Repeated Sterilization by Different Methods on Strength of Carbon Fiber Rods Used in External Fixator Systems., Clinical Research , Goztepe Training and Research Hospital - Istanbul - Turkey, Research, 01.12.2016 -01.06.2017 (National)
• Thigh pain might be a prodromal symptom of atypical fracture in long term biphosphonate users, Clinical Research, Goztepe Training and Research Hospital - Istanbul - Turkey, Research, 01.01.2014 -01.10.2014 (National)
• GUse of provisional K wires instead of Poller screws for treatment of diametaphyseal fractures of the distal femur and proximal and distal tibia., Clinical Research, Goztepe Training and Research Hospital - Istanbul - Turkey, Research, 01.12.2012 -01.09.2014 (National)
• Motorcycle injuries in Orthopedics and Traumatology: Risk factors, injury characteristics and hospital costs, Clinical Research, Goztepe Training and Research Hospital - Istanbul - Turkey, Research, 01.01.2014 -01.08.2014 (National)
• Precise placement of lag screws in operative treatment of trochanteric femoral fractures with a new guide system., Clinical Research, Goztepe Training and Research Hospital - Istanbul - Turkey, Research, 01.10.2011 -01.12.2012 (National)
• Graft retaining debridement in patients with septic arthritis after anterior cruciate ligament reconstruction., Clinical Research, Uludag University Hospital - Bursa - Turkey, Research, 01.10.2009 -01.03.2010 (National)
• Reconstruction of Femoral Bone Defects in Total Hip Prosthesis Revision Cases with Structural Shaft Allograft, Clinical Research, Uludag University Hospital - Bursa - Turkey, 01.10.2008 -01.06.2009 (National)
• ÜNAL ÖMER KAYS, DAĞTAŞ MİRZA ZAFER, DEMİR CİHAN, NAJAFOV TURAN, UGUTMEN ENDER (2021). The Effects of Proximal Fibular Osteotomy on the Knee and Ankle Joints: A Finite Element Analysis. Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca, 88(4), 313-320.
• ÜNAL ÖMER KAYS, DAĞTAŞ MİRZA ZAFER (2020). Comparison of the Results of Hook Plate and Endo-Button Used in the Surgical Treatment of Acromioclavicular Joint Separation. Cureus, 12(12), Doi: 10.7759/cureus.11987
• ÜNAL ÖMER KAYS, SUR ÜNAL ÜLKÜ, DAĞTAŞ MİRZA ZAFER, DEMİRAĞ BURAK (2020). Comparison of Outcomes of Anterior Cruciate Ligament Reconstructions Using Patellar Tendon or Hamstring Tendon Autografts with Femoral Cross-pin Fixation. Anadolu Clinic Journal of Medical Sciences, 25(3), 192-199., Doi: 10.21673/anadoluklin.735533
• ÜNAL ÖMER KAYS, Ateş Miruna Florentina,DAĞTAŞ MİRZA ZAFER,UGUTMEN ENDER (2020). Evaluation of axillary nerve integrity and shoulder functions in patients who underwent lateral deltoid splitting approach. Journal of Surgery and Medicine, 4(8), 645-648., Doi: 10.28982/josam.777069
• ÜNAL ÖMER KAYS, POYANLI OĞUZ ŞÜKRÜ,SUR ÜNAL ÜLKÜ,MUTLU HASAN HÜSEYİN,ÖZKUT AFŞAR TİMUÇİN,ESENKAYA İRFAN (2018). Effect of Repeated Sterilization by Different Methods on Strength of Carbon Fiber Rods Used in External Fixator Systems. Journal of Orthopaedic Trauma, 32(8), 425-430., Doi: 10.1097/ BOT.0000000000001224
• ÜNAL ÖMER KAYS, DAĞTAŞ MİRZA ZAFER (2021). Wrist Fixator for Distal Intraarticular Fractures of Radius Comparison of Mid-Term Outcomes of Patients with Open Reduction and Plate Screws. Fırat University Health Sciences Medical Journal, 35(2), 127- 133.
• ÜNAL ÖMER KAYS, DAĞTAŞ MİRZA ZAFER (2020). Comparison of different dynamization techniques applied in tibial fracture cases with fracture union problem after intramedullary nail application. Journal of Uludag University Faculty of Medicine, 46(3), 329-335., Doi: 10.32708/uutfd.799044
• ÜNAL ÖMER KAYS, DAĞTAŞ MİRZA ZAFER (2021). Wrist Fixator for Distal Intraarticular Fractures of Radius Comparison of Mid-Term Outcomes of Patients with Open Reduction and Plate Screws. Fırat University Health Sciences Medical Journal, 35(2), 127- 133.
• DAĞTAŞ MİRZA ZAFER, ÜNAL ÖMER KAYS (2022). A New Fluoroscopy Technique for Supracondylar Humerus Fractures. Acta Ortopédica Brasileira, 30(1), 1-4., Doi: 10.1590/1413- 785220223001e246231
• DAĞTAŞ MİRZA ZAFER, ÜNAL ÖMER KAYS (2021). Using autograft in the surgical treatment of isolated distal ulna fractures with open reduction internal fixation improves short-term clinical outcomes: 11 years of experience. Orthopaedics & Traumatology: Surgery & Research, 107(8), 103082, Doi: 10.1016/j.otsr.2021.103082
• SÖYLEMEZ MEHMET SALİH,Demiroğlu Murat,Aydın Davut,AKPINAR FUAT,Kılıç Bülent, ÜNAL ÖMER KAYS,ÖZKAN KORHAN (2019). Is there a relationship between the lengths of the ipsilateral clavicle and the ulna? An anthropometric and statistical study. ARCHIVES OF CLINICAL AND EXPERIMENTAL MEDICINE, 4(2), 86-89., Doi: 10.25000/acem.571566
• DAĞTAŞ MİRZA ZAFER, ÜNAL ÖMER KAYS, NAJAFOV TURAN, UGUTMEN ENDER (2022). Novel lateral support system increases stability and reduces angular error in total hip arthroplasty: A case control study. Journal of Surgery and Medicine, 6(2), 186-190., Doi: 10.28982/josam.1049928
• ÖZKUT AFŞAR TİMUÇİN, İYETİN YUSUF, ÜNAL ÖMER KAYS, SÖYLEMEZ MEHMET SALİH, UYGUR MEHMET ESAT, ESENKAYA İRFAN (2018). Radiological and clinical outcomes of medial approach open reduction by using two intervals in developmental dysplasia of the hip. Acta Orthopaedica et Traumatologica Turcica, 52(2), 81-86., Doi: 10.1016/j.aott.2018.01.006
• POYANLI OĞUZ ŞÜKRÜ, SÖYLEMEZ MEHMET SALİH, ÖZKUT AFŞAR TİMUÇİN, ESENKAYA İRFAN, ÜNAL ÖMER KAYS, KILINÇOĞLU VOLKAN (2016). Use of provisional K wires instead of Poller screws for treatment ofdiametaphyseal fractures of the distal femur and proximal and distal tibia. Acta Orthopaedica Belgica, 82(3), 579- 585.
• POYANLI OĞUZ ŞÜKRÜ, SÖYLEMEZ MEHMET SALİH, ÖZKUT AFŞAR TİMUÇİN, UYGUR MEHMET ESAT, KEMAH BAHATTİN, ÜNAL ÖMER KAYS (2015). Precise placement of lag screws in operative treatment of trochanteric femoral fractures with a new guide system. Injury, 46(11), 2190-2195., Doi: 10.1016/j.injury.2015.06.003
• AVCI CEM COŞKUN, ÖZKAN FEYZA ÜNLÜ, ÜNAL ÖMER KAYS, Türkmen İsmail, KURTULMUŞ TUHAN, SAKA GÜRSEL, SAĞLAM NECDET (2015). Thigh pain might be a prodromal symptom of atypical fracture in long term bisphosphonate users. Turkish Journal of Geriatrics 18(1), 87-91.
• DEMİRAĞ BURAK, ÜNAL ÖMER KAYS, ÖZAKIN CÜNEYT (2011). Graft retaining debridement in patients with septic arthritis after anterior cruciate ligament reconstruction. Acta Orthopaedica et Traumatologica Turcica, 45(5), 342- 347., Doi: 10.3944/AOTT.2011.2469
• DAĞTAŞ MİRZA ZAFER, ÜNAL ÖMER KAYS (2021). Deltoid Ligament Repair in Addition to Syndesmotic Fixation in Distal Fibula Fractures is Associated with Better Clinical Results in Midand- Long-term Follow-up: A Comparative Study. Bagcilar Medical Bulletin, 6(4), 431-437., Doi: 10.4274/BMB.galenos.2021.05.068
• SUR ÜNAL ÜLKÜ, ÜNAL ÖMER KAYS (2021). Severe gonarthrosis without pain and disability: A case report. Maltepe Medical Journal, 13(3), 111-114., Doi: 10.35514/mtd.2021.58
• DAĞTAŞ MİRZA ZAFER, ÜNAL ÖMER KAYS (2021). Clinical and Radiologic Results of Two Different Proximal Femur Nails Used in the Treatment of Intertrochanteric Femur Fractures. Journal of Faculty of Medicine, SDU 28(3), 441-447., Doi: 10.17343/sdutfd.856822
• DAĞTAŞ MİRZA ZAFER, ÜNAL ÖMER KAYS (2020). Comparison of long-stemmed cementless hemiarthroplasty with proximal femur nail in unstable intertrochanteric femur fractures over 85 years of age. Journal of Surgery and Medicine, 4(10), 857-860., Doi: 10.28982/josam.798123
• DAĞTAŞ MİRZA ZAFER, ÜNAL ÖMER KAYS (2022). Long-Term Outcome of Electrodiagnostic Values and Symptom Improvement After Carpal Tunnel Release: A Retrospective Cohort Study. The Journal of Hand Surgery, 47, Doi: 10.1016/j.jhsa.2022.04.003
• UYGUR MEHMET ESAT, ÜNAL ÖMER KAYS, ESENKAYA İRFAN, KEMAH BAHATTİN,BAŞARAN HÜSEYİN (2014). Motorcycle injuries in Orthopedics and Traumatology: Risk factors, injury characteristics and hospital costs. Göztepe Medical Journal, 29(4), 230-235., Doi: 10.5222/J.GOZTEPETRH.2014.230
• BİLGEN MUHAMMET SADIK, ÖNCAN TEVFİK, KÜÇÜKALP ABDULLAH, KARA HASAN, ÜNAL ÖMER KAYS, BİLGEN ÖMER FARUK (2009). Reconstruction of Femoral Bone Defects with Structural Shaft Allograft in Total Hip Replacement Revision Cases. Journal of Uludag University Faculty of Medicine, 35(1), 37-40.
• TULGAR SERKAN, SELVİ ONUR, ŞENTÜRK ÖZGÜR, ÜNAL ÖMER KAYS, THOMAS DAVİD TERENCE, ÖZER ZELİHA (2019). The Maltepe combination: Novel parasacral interfascial plane block and lumbar erector spinae plane block for surgical anesthesia in transfemoral knee amputation. Journal of Clinical Anesthesia, 57, 95-96., Doi: 10.1016/j. jclinane.2019.03.024
• TULGAR SERKAN, ÜNAL ÖMER KAYS, THOMAS DAVİD TERENCE, ÖZER ZELİHA (2019). A novel modification to ultrasound guided lumbar erector spinae plane block: Tulgar approach. Journal of Clinical Anesthesia, 56, 30-31., Doi: 10.1016/j.jclinane.2019.01.016
• Maltepe Medical Journal, Journal Secretary and Editorial Board Member, Member , 2021
• Hip Knee Arthroplasty Association, Member , 2021
• urkish Orthopedics and Traumatology Education Council, Member , 2016
• Turkish Sports Injuries Arthroscopy and Knee Surgery Association, Member , 2015
• Turkish Orthopedics and Traumatology Association, Member , 2014Editorial
•Skin and Trauma, Book, Editor, Publisher: Livre de Lyon, Risk Factors of Surgical Site Infection in Orthopedic Surgery, Book, Editor, Publisher: Akademisyen Publishing House, Chapters in national/international books
• Risk Factors for Surgical Site Infection in Orthopedic Surgery, Chapter title: Surgical Factors (2020) ÜNAL ÖMER KAYS, Akademisyen Publishing House, Editor: Mirza Zafer Dağtaş, Ömer Kays Ünal, Edition:1, Pages 173, ISBN:978-625-7707-36-7, Turkish(Scientific Book)
• Risk Factors for Surgical Site Infection in Orthopedic Surgery, Chapter title: Assessment of physical conditions (2020). ÜNAL ÖMER KAYS, Akademisyen Kitabevi, Editör: Mirza Zafer Dağtaş, Ömer Kays Ünal, Edition:1, Pages 173, ISBN:978-625-7707-36-7, Turkish(Scientific Book)
• Trauma: Emergency Service Management, Chapter name: Femoral Head, Femoral Neck, Trochanteric, -Intertrochanteric, Subtrochanteric Fracture, Traumatic Hip Dislocation and Femur Diaphysis Fracture -(2017)., POYANLI OĞUZ ŞÜKRÜ, ÜNAL ÖMER KAYS, Yeditepe Üniversitesi Publishing House, Editor:Can Aktaş, Baki Ekçi, Issue:1, Page Number 613, ISBN:978-975-307-073-7, Turkish(Scientific Book)
• Complications in Orthopedics and Traumatology, Chapter name: Complications of Intramedullary Nails (2016). POYANLI OĞUZ ŞÜKRÜ,ÜNAL ÖMER KAYS, Turkish Orthopedics and Traumatology Association, Editor: Önder Kalenderer, Melih Güven, Issue:1, Page Number 943, ISBN:978-605-6600-75-3, Turkish(Scientific Book)
• Orthopedic Surgery Operative Techniques, Chapter name: Primary and Metastatic Tumors of Spinal Cord: Total En Block Spondylectomy (2015)., AKESEN BURAK, ÜNAL ÖMER KAYS, Güneş Tıp Publishing Houses, Editor: Prof. Dr. Mustafa BAŞBOZKURT, Prof. Dr. Selçuk BÖLÜKBAŞI, Assoc. Prof. Dr. Dr. Akif M. ÖZTÜRK, Prof. Dr. Alpaslan ŞENKÖYLÜ, Prof. Dr. Cemil YILDIZ, Issue: 1, Page Number 5344, ISBN: 9789752775695, Turkish (Book Translation), Papers presented in scientific meetings
ÜNAL ÖMER KAYS, DAĞTAŞ MİRZA ZAFER, NAJAFOV TURAN, DEMİR CİHAN, AKPINAR FUAT, UGUTMEN ENDER(2021). Medial Plating Versus Newly Designed Intramedullary Nail with Distal Interlocking System for Distal Tibia Fractures – A Biomechanical Study with Finite Element Analysis. II. International Ankara Multidisciplinary Studies Congress, 370-372. (Abstract Paper/Oral Presentation)
DAĞTAŞ MİRZA ZAFER, ÜNAL ÖMER KAYS (2020). A New Fracture Model In Rats. 28th Annual Meeting European Orthopaedic Research Society, 388-388. (Abstract Paper/Poster)
ÜNAL ÖMER KAYS, DAĞTAŞ MİRZA ZAFER,DEMİR CİHAN,NAJAFOV TURAN,UGUTMEN ENDER (2020). The Effects Of Proximal Fibular Osteotomy On The Knee And Ankle Joints A Finite Element Analysis. 28th Annual Meeting European Orthopaedic Research Society, 244-245. (Abstract Paper/Oral Presentation)
DAĞTAŞ MİRZA ZAFER, ÜNAL ÖMER KAYS (2019). Rare Complication of Partial Hip Prosthesis. 4th Bezmialem Orthopedics Meeting, 46-46. (Abstract Paper/Oral Presentation)
ÜNAL ÖMER KAYS (2019). Ethical Issues in Orthopedics. The 8th International Congress of Islamic Medical History and Ethics, 162-163. (Abstract Paper/Oral Presentation)
DAĞTAŞ MİRZA ZAFER, ÜNAL ÖMER KAYS (2019). Comparison of Cementless Parsiel Hip Prosthesis and Intramedullary Hip Nailing in Unstable Intertrochanteric Femur Fractures Above 85 Years of Age. 2nd Turkish World Orthopaedics and Traumatology Congress, 51-51. (Abstract Paper/Oral Presentation)
ÜNAL ÖMER KAYS, DAĞTAŞ MİRZA ZAFER (2019). The Effect of Removal of the Distal Dynamic Screw on Fracture Slippage in Intramedullary Nailing of Tibial Diaphyseal Fractures. 2nd Turkish World Orthopaedics and Traumatology Congress, 20-20. (Abstract Paper/Oral Presentation)
KEMAH BAHATTİN, ÖZKAN KORHAN, POYANLI OĞUZ ŞÜKRÜ, ÜNAL ÖMER KAYS, ERİNÇ SAMET, ÖZKAN FEYZA ÜNLÜ (2018). Comparing Vitamin D, Pth, Alp, Protein Levels Of Patients With Hip Fracture According To Fracture Types And Control Groups. 20th Asia Pacific Orthopaedic Association Congress, 246-246. (Abstract Paper/Poster)•
AKAN KAYA HÜSNÜ, ÜNAL ÖMER KAYS, POYANLI OĞUZ ŞÜKRÜ, KEMAH BAHATTİN, ERİNÇ SAMET, ÖZTURAN BURAK (2015). Evaluation of Naproxen Sodium and Codein Phosphate Combination in Osteoarthritis. 23rd Annual Meeting of European Orthopaedic Research Society, 268-268. (Abstract Paper/Oral Presentation)
DAĞTAŞ MİRZA ZAFER, ÜNAL ÖMER KAYS (2020). Comparison of Conservative Treatment and Surgical Treatment in Trigger Finger Treatment. 17th National Turkish Hand and Upper Extremity Surgery Congress - 6. National Hand Rehabilitation Congress, 78-79. (Abstract Paper/Oral Presentation)
ÜNAL ÖMER KAYS, Ateş Miruna Florentina, DAĞTAŞ MİRZA ZAFER, UGUTMEN ENDER (2019). Evaluation of the effects of lateral deltoid split procedure in the surgical treatment of proximal humerus fractures in terms of axillary nerve and shoulder joint function. 29. National Turkish Orthopedics and Traumatology Congress, 53(S1), 82-83. (Abstract Paper/Oral Presentation)
DAĞTAŞ MİRZA ZAFER, ÜNAL ÖMER KAYS, NAJAFOV TURAN, UGUTMEN ENDER (2019). Comparison of Cementless Parsiel Hip Prosthesis and Intramedullary Hip Nailing in Unstable Intertrochanteric Femur Fractures Above 85 Years of Age. 29. National Turkish Orthopedics and Traumatology Congress, 53(S1), 165- 165. (Abstract Paper/Poster)
ÜNAL ÖMER KAYS, POYANLI OĞUZ ŞÜKRÜ, SUR ÜNAL ÜLKÜ, MUTLU HASAN HÜSEYİN, ÖZKUT AFŞAR TİMUÇİN, ESENKAYA İRFAN (2017). Effects of different sterilization methods and repeated sterilization on carbon fiber rods. 27. National Turkish Orthopedics and Traumatology Congress, 51(S1), 106-106. (Abstract Paper/Oral Presentation)
ÖZKUT AFŞAR TİMUÇİN, ÜNAL ÖMER KAYS, POYANLI OĞUZ ŞÜKRÜ, ESENKAYA İRFAN, DEMİROĞLU MURAT (2016). Our results of fixation with double plate and strut graft in 3 cases of nonunion after repeated surgery in humerus fractures. 26. National Turkish Orthopedics and Traumatology Congress, 50(S1), 73- 73. (Abstract Paper/ Oral Presentation)
DEMİROĞLU MURAT, SÖYLEMEZ MEHMET SALİH, AYDIN DAVUT, AKPINAR FUAT, KILIÇ BÜLENT, ÜNAL ÖMER KAYS, ÖZKAN KORHAN (2016). Mathematical ratio between clavicle and ulna lengths and its role in clinical practice. 26. National Turkish Orthopedics and Traumatology Congress, 50(S1), 54-54. (Abstract Paper/Oral Presentation)
ÖZKUT AFŞAR TİMUÇİN, İYETİN YUSUF, ÜNAL ÖMER KAYS, SÖYLEMEZ MEHMET SALİH, UYGUR MEHMET ESAT, ESENKAYA İRFAN (2016). Our Results in the Mid-Term with Modified Medial Approach in Developmental Hip Dysplasia Patients over 10 years. TOTDER 6. Istanbul Meeting of Orthopedics and Traumatology, 48-49. (Abstract Paper/Oral Presentation)
KEMAH BAHATTİN, ÖZKAN KORHAN, POYANLI OĞUZ ŞÜKRÜ, ÜNAL ÖMER KAYS, ERİNÇ SAMET, ÖZKAN FEYZA ÜNLÜ, KILIÇ BÜLENT (2015). Comparison of vitamin D, PTH, CA, ALP levels of patients with hip fracture according to fracture type and control group in Turkish population. 25. National Turkish Orthopedics and Traumatology Congress, 49(S1), 45-45. (Abstract Paper/Oral Presentation)
AKAN KAYA HÜSNÜ, ÜNAL ÖMER KAYS, POYANLI OĞUZ ŞÜKRÜ, KEMAH BAHATTİN, ERİNÇ SAMET, ÖZTURAN BURAK (2015). Evaluation of naproxen sodium vecodein phosphate combination use in osteoarthritis. 25. National Turkish Orthopedics and Traumatology Congress, 49(S1), 72-72. (Abstract Paper/Oral Presentation)
ÜNAL ÖMER KAYS, DEMİRAĞ BURAK, ÖZHAN GÖKHAN (2014). Comparison of treatment outcomes of patients undergoing anterior cruciate ligament repair with patellar tendon and hamstring tendonotograft using in-tunnel nailing system for femoral fixation. 24. National Turkish Orthopedics and Traumatology Congress, 48(S1), 27-28. (Abstract Paper/Oral Presentation) Supervised Theses - Specialization in Medicine
Najafov Turan, (2022). Biomechanical Comparison of Polyaxial Pedicle Screw and Angled Screw in Lumbar Stabilization Methods, Maltepe University-> Faculty of Medicine - Department of Orthopedics and Traumatology (Completed)Scientific Projects
Investigation of the accelerating effect of Vitamin K2 (Menakinon-7) on fracture union - Animal Experiment, Scientific research project supported by Higher Education Institutions, Executive: ÖMER KAYS ÜNAL, Researcher: MIRZA ZAFER DAĞTAŞ, Researcher: BELKIZ ÖNGEN İPEK, Researcher: BARIŞ KANBUROĞLU, , 07/02/2020 (NATIONAL)
Comparison of Tibia Intramedullary Nail (DSBLS with Distal Bolt Locking) and Distal Tibia Metaphyseal Plate in the Fixation of Distal Diaphyseal Oblique Fractures of Tibia: Biomechanical Study, Scientific research project supported by Higher Education Institutions, Executive: ÖMER KAYS ÜNAL, Researcher: MİRZA ZAFER DAĞTAŞ, , 28/02/2020 (NATIONAL)
Comparison of Tibia Intramedullary Nail (Distal Bolt Locking - DSBLS) and Distal Tibia Metaphyseal Plate in the fixation of distal diaphyseal oblique fractures of the tibia: Finite Element Analysis, Scientific research project supported by Higher Education Institutions, Executive Director: MIRZA ZAFER DAĞTAŞ, Researcher: ÖMER KAYS ÜNAL, , 28/02/2020 (NATIONAL)
Term 5 Education Coordination - Maltepe University Faculty of Medicine 2022
Faculty Board Member - Maltepe University Faculty of Medicine 2021
Quality Commission Membership - Maltepe University Faculty of Medicine 2020
Infection Control Committee Member - Maltepe University Faculty of Medicine 2022
Read moreI was born in Russia in 1984. I got into Erciyes University Medical Faculty after graduating from Cengiz Aytmatov High School. I continued my education at Maltepe University and obtained the title of Orthopedics and Traumatology Specialist.
I can speak English and Russian at an advanced level. After working at a few institutions, I am working as an Orthopedics and Traumatology Specialist at Eren Hospital since 2020.
I was born in Elazığ in 1983. After finishing Elazığ Ahmet Kabaklı Anatolian Teacher High School, I got into the Faculty of Medicine of Istanbul University. I completed my specialty in the Department of Orthopedics and Traumatology at the Faculty of Medicine of Fırat University in 2019, earning the title of Orthopedics and Traumatology Specialist.
Until earning my specialty, I worked at Elazığ Maden Public Hospital, Elazığ 112 Emergency, Elazığ Arıcak Üçocak Family Medicine respectively.
After earning my specialty, I proceeded to work at Bitlis Public Hospital as an Orthopedics and Traumatology Specialist.
As of 2019, I’ve been working as an Orthopedics and Traumatology Specialist at Private Eren Hospital.
I have advanced knowledge of the English language.
The symposiums and congresses I attended are as follows;
I was born in Irbid in 1979. I got into Istanbul University Medical Faculty after graduating from Bani Kananah-King Hüseyin High School. I continued my education at Marmara University Medical Faculty and obtained the title of Orthopedics and Traumatology Specialist.
I worked at many private and state hospitals. I attended many courses and congresses.
I was awarded the grand prize in the branch of Sports injury and arthroscopic knee surgery of 2015 Ulusal Türk Ortopedi ve Travmatoloji Kongresi (National Turkish Orthopedics and Traumatology Congress) with the study with the title of “Mozaikoplasti Yöntemi ile Patellar Osteoid Osteoma En-blok Eksizyonu ve Kıkırdak Rekonstrüksiyonu (Patellar Osteoid Osteoma En-bloc Excision with Mosaicplasty Procedure and Cartilage Reconstruction)”.
I have nearly 10 publications.
Doctor's visit | price on request |
Arthroscopic meniscectomy | $2000 - $2600 |
Undergraduate: Medicine, Istanbul University Istanbul Faculty of Medicine, 2004-2010
Ph: Orthopedics and Traumatology, Bezmialem Vakif University Faculty of Medicine, 2011-2016
Hakkari Yüksekova State Hospital (2016 - 2017, State Service Yüas Deputy Chief Physician)
Department of Orthopedics and Traumatology, Biruni University Faculty of Medicine (2017 - present)
Head of Department of Orthopedics and Traumatology, Biruni University Faculty of Medicine (2018 - present)
General Practitioner, Muş Merkez Azize Hersat Health Center (DHY), 2010-2010
General Practitioner, Muş Varto State Hospital Emergency Department (DHY), 2010-2010
General Practitioner, Muş State Hospital Emergency Department (DHY), 2010-2011
Assistant Physician, Bezmialem Vakıf University Faculty of Medicine, 2011-2016
Specialist Physician (Op. Dr.), Hakkari Yüksekova State Hospital (DHY), 2016-2017
Dr. Assoc. Member, Biruni University Faculty of Medicine Hospital, 2017 (currently)
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After completing his medical doctorate education at Gazi University School of Medicine, which is located in the capital city of Ankara he carried on to his Orthopaedic and Traumatology fellowship training at the same university. After his fellow training, he completed his mandatory governmental and military duties as an orthopaedic surgeon between 2008 and 2011. He later started his Orthopaedic career in Istanbul Acıbadem Hospitals network. Between 2013 and 2022 he served as an academic member of the Department of Orthopedics and Traumatology at Acıbadem Mehmet Ali Aydınlar School of Medicine where he was entitled Associate Professor in 2021. He is now private practicing in his own clinic in Istanbul.
Starting from the year 2014 he has been especially focused on the fields of patient-specific orthopaedic surgery, computer-aided surgical planning, 3D printed custom surgical guides and implants. These fields are very novel even throughout the world. He performed many surgeries as the first examples of their own for Turkey. He mainly uses his special interest and knowledge on patient-specific orthopaedics to surgically treat technically challenging cases of malunion, bone deformity and complex arthroplasty cases including revision arthroplasty.
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