Seref Aktas, MD

Ortopedi Doktorum Clinic

Prof.Dr. Seref Aktas Orthopedic Surgery Clinic was founded in 2011. Prof.Dr. Şeref Aktaş has special interest and experience in Pediatric Orthopedics, Foot and Ankle Surgery and Complex Orthopedic Problems. We proudly announce that we have been treated more than two hundreds International patients since then. Our patients came from variety of Countries such as England, Kosova, Holland, Azerbaijan, Algeria, Belgium, Bulgaria, Canada, Denmark, Iraq, South Africa, France, China, Germany, UAE, Qatar, United States, Yemen and others. Over the years it has been our principle to provide excellence in  medical care and surgical treatment. We have been using most updated information and technologies to evaluate our patients. Prof.Dr.Seref Aktas prefers to apply the most updated yet proved surgical techniques to our patients. Our clinic which is in walking distance in major hospitals like American Hospital, Acibadem Hospital and Florence Nightingale Hospital is located in Fulya. We perform our surgeries in these very well equipped and JCI Accredited Hospitals. We have also been working closely with these hospitals to help your surgical cost being covered by your insurance company. We are happy to make necessary correspondence with your insurance company as well. (www.istanbulorthopedics.comserefaktas.com)

You  can e-mail us to get information about your disease and possible treatment options, estimated costs, and more about your orthopedic treatment in Turkey.


Professor Dr. Seref Aktas

Medical License

  • TURKEY (1990- present)
  • Oregon, USA (1994)
  • Oregon, USA (1996-1997)
  • Missouri,USA (2001-2002)

Postdoctoral Training

  • Turkish Knee and Arthroscopic Surgery Association
    (1993, Arthroscopic Surgery Certificate)
  • Trakya University Faculty of Medicine Department of Orthopedic Surgery and Traumatology
    (1995, Orthopedic Surgeon)
  • Shriners Hospital For Children,Portland OR, USA
    (1997, Pediatric Orthopedics Fellowship)
  • Shriners Hospital For Children, Portland, OR, USA
    (1997, Clinical Research Fellowship)

Education

  • 1989-1990                  İntern
    Hacettepe University Faculty of Medicine
  • 1990                            Hacettepe University Faculty of Medicine, (M.D.)
    Ankara, TURKEY

Scholarship

  • 1984-1990                  Hacı Ömer Sabancı Foundation
    Adana, Turkey

Professional Experience

  • 10/1990 – 2/1995        Resident
    Department of Orthopedic Surgery and Traumatology
    Trakya University Faculty of Medicine
    Edirne, Turkey
  • 7/1992                        Visiting Resident, Pediatric Orthopedics
    Department of Orthopaedic Surgery
    Royal London Hospital
    London, England
  • 3/1994 – 5/1994          Visiting Resident, Arthroscopic Surgery
    Department of Orthopaedic Surgery
    Istanbul University Faculty of Medicine
    Istanbul, Turkey
  • 9/1994 – 11/1994        Visiting Resident, Pediatric Ortopedics
    Shriners Hospital for Crippled Children
    Portland, Oregon USA
  • 2/1995 – 12/1995        Instructor
    Department of Orthopaedic Surgery
    Trakya University Faculty of Medicine
    Edirne, Turkey
  • 12/1995 – 8/1996        Assistant Professor
    Department of Orthopaedic Surgery
    Trakya University Faculty of Medicine
    Edirne, Turkey
  • 8/1996 – 8/1997          Pediatric  Orthopedics Fellow
    Shriners Hospital For Children
    Portland, Oregon USA
  • 8/1997 – 12/1997        Clinical Research Fellow
    Shriners Hospital For Children
    Portland, Oregon USA
  • 12/1997 – 11/2000      Assistant Professor
    Department of Orthopedic Surgery and Traumatologyı
    Trakya University Faculty of Medicine
    Edirne, Turkey
  • 11/2000 – 1/2003        Associate Professor
    Department of Orthopedic Surgery and Traumatology
    Trakya University Faculty of Medicine
    Edirne, Turkey
  • 11/2001 – 2/2002       Visiting Professor
    Department of Orthopaedic Surgery
    University of Missouri
    Columbia, Missouri USA
  • 2003 – 2009                Associate Professor
    Acıbadem Hospital
    Kadıköy, İstanbul, Turkey
  • 2009 –  2011                Professor, Department of Orthopedic Surgery
    Istanbul Bilim University Medical School, Istanbul, Turkey
  • 2011 – present        Private Physician Office Practice, Istanbul

Memberships

  • 1994                           Turkish Orthopedic Surgery Association
  • 1994                           Istanbul Chamber of Medicine
  • 1995                           Turkish Shoulder and Elbow Surgery Association
  • 1996                           Turkish Pediatric Orthopedics Society (2002 – Board Member)
  • 1999                           American Academy of Cerebral Palsy and Developmental Medicine-Corresponding Member
  • 2000                          European Pediatric Orthopaedic Surgery Society – Active Member
  • 2002                           Turkish Orthopedic Education and Training Council (TOTEK)
  • 2005                           Turkish Foot and Ankle Society
  • 2009                           European Foot and Ankle Society

Reviewer in Medical Journals

  • 2006-                 Ulusal Travma ve Acil Cerrahi Dergisi (SCI Expanded)
  • 2008-                Trakya Universitesi Tıp Fakültesi Dergisi (SCI Expanded)
  • 2010-                Acta Orthopaedica et Traumatologica Turcica (SCI Expanded)

INVITED TALKS

  1. Surgical Treatment In Cerebral Palsy (Lower Extremity). Trakya University Orthopaedic Surgery Day-III, Treatment of Cerebral Palsy & The Aproach to Ankle and Foot Trauma , 6/12/1999, Edirne, Turkey.
  2. Supracondylar Humerus Fractures in Children. Turkish Pediatric Orthopaedics Course , 10/1-3/1999, Istanbul, Turkey.
  3. What Is The Ideal Set-up For A CP Clinic? Innovations in The Treatment Of The CP , 10/12/2000, Istanbul, Turkey.
  4. Physical Examination Of The Patient With CP. Turkish Pediatric Orthopaedics Course , 10/13-15/2000, Istanbul, Turkey.
  5. Hip Problems in CP. The Meeting Of Trakya University Armagan Donertas Crippled Children Center, 11/22/2000, Edirne, Turkey.
  6. The Surgical Treatment Of DDH Via Medial Approach. Turkish Pediatric Orthopaedics Course , 10/2001, Istanbul, Turkey.
  7. The Pes Cavus Deformity. Turkish Pediatric Orthopaedics Course , 10/2001, Istanbul, Turkey.
  8. Surgical Treatment in Foot and Ankle Problems. Trakya University Physical Therapy and Rehabilitation Day , 10/2001, Edirne, Turkey.
  9. Orthopaedic Evaluation of The Patient With CP. Turkish National Congress of Orthopaedic Surgery and Traumatology, 10/24-29/2001, Antalya, Turkey.
  10. Hip Problems in Cerebral Palsy. Congress of Turkish Pediatric Orthopaedics, 9/15-19/2002, Antalya, Turkey.
  11. Orthopaedic Approach To Ankle And Foot Problems In CP. Spastic Children Days, 11/1-2/2002, Istanbul, Turkey.
  12. Izmir Hand and Microsurgery Hospital, 5/3/2003, Izmir, Turkey.
  13. Diabetic Foot Panel, Surgical Treatment. XVIII. Turkish National Congress of Orthopaedic Surgery and Traumatology, 18-23 October, 2003, Istanbul.
  14. Approach to Lower Extremity Problems seen in Cerebral Palsy, Foot and Ankle Problems. Turkish National Congress of Orthopaedic Surgery and Traumatology, 18-23 October 2003, Istanbul.
  15. Fractures in Children with Spina Bifida. Orthopedic Surgery Meeting , 19-23 May 2004, Antalya.
  16. Orthopedic Approach to Lower Extremity Problems seen in Cerebral Palsy. Current Multidisciplinary Treatment of Cerebral Palsy Symposium . 17 December 2004, Istanbul.
  17. Surgical Treatment of Forearm Fractures in Children. Pediatric Orthopedics Society Monthly Meetings . February 16, 2005. Istanbul.
  18. Session Chair, Developmental Hip Dysplasia Session. Pediatric Orthopedic Surgery Course . March 18-20, 2005, Istanbul.
  19. Hip Instability in Cerebral Palsy. Pediatric Orthopedic Surgery Course . March 18-10, 2005, Istanbul.
  20. Supracondylar humerus fractures in Children. Pediatric Orthopedic Surgery Course . March 18-10, 2005, Istanbul.
  21. Foot and Ankle Problems seen in Cerebral Palsy. International Uludag Orthopedic Surgery Days – Orthopedic Meeting of Turkish and Greek Universities . March 23-28, 2005, Bursa.
  22. Nerve Entrapments seen in Foot and Ankle. Güven Medicine Days , June 16, 2005, Ankara.
  23. Ankle Sprains. National Sports Physiotherapy Congress . September 17, 2005, Istanbul.
  24. Ruptures of Achilles Tendon. Derviş Manizade Orthopedic Surgery Days, November 18-19 , 2005, Istanbul.
  25. Orthopedic Treatment in Cerebral Palsy. Turkish Physiotherapists Society Bursa City Branch New Developments in the treatment of Cerebral Palsy . December 23, 2006. Bursa.
  26. Knee and Ankle Problems in Myelodysplasia. Uludag Orthopedic Surgery Days . March 14-18, 2007, Bursa.
  27. Foot and Ankle Surgery in Cerebral Palsy. Cerebral Palsy Symposium . March 23-24, 2007, Bilkent Hotel, Ankara
  28. Case Debate – What would you do? Cerebral Palsy Symposium . March 23-24, 2007, Bilkent Hotel, Ankara
  29. Congenital Knee Dislocation. Pediatric Knee Congress , Istanbul
  30. Complications in DDH, Panelist, 26th International Turkish Orthopedic Surgery and Traumatology Congress, Antalya , Turkey, 26-29 October 2016
  31. Soft tissue surgeries in the hips at risk of Cerebral Palsy Patients. 26th Turkish Orthopedic Surgery and Traumatology Congress, Antalya , Turkey, 26-29 October 2016

 

PUBLICATIONS

  1. Saridogan K, Aktas S : Posteromedial release in the treatment of congenital clubfoot. J Trakya Uni Med Fac 8,9,10 (Combined Issue): 147-155, 1991-1993.
  2. Saridogan K, Yamak E, Aktas S : Evaluation of the severity in multiple injured patients. Acta Orthop Traumatol Turc 26:251-254, 1992.
  3. Çalpur OU, Aktas S : Poland’s syndrome (A case report). Acta Orthop Traumatol Turc 27:280-281, 1993.
  4. Yalniz E, Numan S, Er T, Özgür M, Boyacioglu M, Özak N, Aktas S , Kurtulus A: Tuberculosis of the spine. J Turkish Spinal Surgery 5(1):9-11,1994.
  5. Çalpur OU, Aktas S , Candan L, Gülmez T: The repair of Achilles tendon defects with polypropylene mesh (Experimental study in rabbits). Acta Orthop Traumatol Turc 28:51-55,1994.
  6. Çalpur OU, Aktas S : Bilateral stress fracture of the femoral neck (A case report). Acta Orthop Traumatol Turc 28:272-273,1994.
  7. Çalpur OU, Aktas S : Extraperitoneal bladder rupture with ipsilateralfracture-dislocation of the hip and fracture of tibia-fibula. Turkish Journal of Arthroplasty and Arthroscopic Surgery 5(9): 62-64,1994.
  8. Yalniz E, Aktas S , Hüseyinova G, Kayapinar R: The effects of autoclaving and freezing on the rabbit bone. Acta Orthop Traumatol Turc 29:63-69,1995.
  9. Aktas S , Sarisaltik H, Çalpur OU: Pelvis fractures (Consideration of relation between classification and results). Acta Orthop Traumatol Turc 29:111-115,1995.
  10. Aktas S , Sarisaltik H, Çalpur OU: The relationship between Young classification system and hemodynamic instability in pelvic fractures. J Trakya Uni Med Fac 12(1,2,3):199-202,1995.
  11. Gurbuz H, Çalpur OU, Aktas S , Kurtulus A, Karamanlioglu B. Interscalene block anesthesia in upper extremity surgery. Acta Orthop Traumatol Turc 30:154-156, 1996.
  12. Aktas S , Durukan T, Yalniz E: Surgical treatment of displaced supracondylar humerus fractures in children via medial approach. Acta Orthop Traumatol Turc 30:256-258, 1996.
  13. Çalpur OU, Aktas S , Hüseyinova G, Aktas RG: The repair of cartilage defects with lyophilized collagen. Acta Orthop Traumatol Turc 31:41-43,1997
  14. Aktas S , Sarisaltik H. Treatment selection in pediatric femoral shaft fractures. Acta Orthop Traumatol Turc 31: 198-202,1997.
  15. Aktas S , Sarisaltik H, Gurbuz H, Sekhavat H. Treatment selection for the patellar fractures. Acta Orthop Traumatol Turc 31:135-138,1997. 5
  16. Aktas S , Demiral H, Bilgi S, Caglar T, Calpur OU. Patellar Metastasis From A Lung Epidermoid Carcinoma. A Case Report. Yonsei Med J 39(5):474-7 , 1998.
  17. Aktas S , Saridogan K, Moralar U, Ture M. Patterns of Single Segment Non-Physeal Extremity Fractures in Children. Int Orthop 23(6): 345-7, 1999.
  18. Aktas S. Hip instability in spastic diplegia. J Trakya Uni Med Fac 16(1): 55-60, 1999.
  19. Aktas S , Sekhavat H, Tan L, Sarıdoğan K. Breaking of intact cortex in the treatment of greenstick fractures of forearm. J Trakya Uni Med Fac 16(3):125-127, 1999.
  20. Aktas S , Sarıdoğan K, Tan L. Acetabular development after one-stage surgical treatment of developmental hip dysplasia. Acta Orthop Traumatol Turc 33: 101-104, 1999.
  21. Aktas S, Sarıdoğan K. Bilateral non-traumatic radial head dislocation in a case with cerebral palsy. J Hacettepe Orthop 10(2): 70-73, 2000.
  22. Karlıkaya C, Aktas S , Tan L, Candan L. Joint tuberculosis (Case Report). J Trakya Uni Med Fac 17(2):105-112, 2000.
  23. Aktas S , Aiona MD, Orendurff M. Evaluation of Rotational Gait Abnormality in The Patients with Cerebral Palsy. J Pediatr Orthop 20(2): 217-20, 2000.
  24. Aktas S , Wheeler D, Sussman MD. Chef’s Hat Appearance of Femoral Head in Cleidocranial Dysplasia. J Bone Joint Surg B 82(3): 404-8, 2000.
  25. Aktas S , Sussman MD. The Radiological Analysis of Pes Cavus Deformity in Charcot Marie Tooth Disease. J Ped Orthop B 9(2): 137-40, 2000.
  26. Yalniz E, Pekindil G, Aktas S . Atypical Tuberculosis of the Spine. Yonsei Med J 41(5):657-61, 2000.
  27. Aktas S , Pekindil G, Ercan S, Pekindil Y. Acetabular Dysplasia in Normal Turkish Adults. Bull Hosp Jt Dis 59 (3): 158-162, 2000.
  28. Aktas S , Ercan S, Candan L, Moralar U, Akata E. Early Mobilization After Sliding and Z-Lengthening of Heel Cord: A Preliminary Experimental Study in Rabbits. Arch Orthop Surg 121(1/2): 87-89, 2001.
  29. Pekindil G, Aktas S , Saridogan K, Pekindil Y. Magnetic Resonance Imaging in Follow-up of Treated Clubfoot During Childhood. Eur J Radiol 37:123-129, 2001.
  30. Tan L, Aktas S, Copuroglu C, Ozcan M, Ture M. Reliability Of Radiological Parameters Measured On Anteroposterior Pelvis Radiographs Of Patients With Developmental Dysplasia Of The Hip. Acta Orthop Belgica ; 67(4):374-379, 2001.
  31. Hicdonmez T, Aktas S, Basar P, Gozen S, Cobanoğlu S, Kutlu K. Problems In Early Diagnosis Of Open Spinal Dysraphism. J Turkish Neurosurg 11:117-120, 2001.
  32. Aktas S , Celik Y. An evaluation of underlying causes of fall induced hip fractures in elderly persons. Turkish Journal of Trauma and Emergency Surgery 2004; 10(4): 250-252.
  33. Gurbuz H, Aktas S , Calpur OU. Clinical Evaluation Of Ulnar Nerve Repair At Wrist Level. Arch Orthop Trauma Surg 2004; 124(1): 49-51.
  34. Nalbantoğlu U, Aktas S , Peker KR. Chondromyxoid Fibroma Involving the Entire Metacarpal: A Case Report. J Hand Surg [Am]. 2005 Sep;30(5):1083-1086.
  35. Nalbantoglu U, Gereli A, Kocaoğlu B, Aktas S , Seyhan M. Surgical treatment of PIP joint unstable fracture dislocations. Acta Orthop Traumatol Turc 41(5): 373-379, 2007.
  36. Aktas S , Kocaoglu B, Nalbantoglu U, Seyhan M, Guven O. End to end versus Augmented Repair in The Treatment of Acute Achilles Tendon Ruptures J Foot Ankle Surg . 2007 Sep-Oct; 46(5): 336-40.
  37. Nalbantoglu U, Kocaoğlu B, Gereli A, Aktas S , Güven O. Open Reduction and Internal Fixation of Mason Type 3 Radial Head Fractures With and Without An Associated Elbow Dislocation. J Hand Surg [Am] . 2007 Dec;32(10):1560-8.
  38. Aktas S , Kocaoglu B, Nalbantoglu U, Seyhan M, Guven O. Incidence of chondral lesions of talar dome in ankle fracture types. Foot Ankle Int . 2008 Mar; 29(3): 287-92.
  39. Nalbantoglu U, Gereli A, Kocaoğlu B, Aktas S . Fibro-osseous Pseudotumor of the Digit: A Rare Tumor in An Unusual Location. J Hand Surg [Am] . 2008 Feb; 33(2):273-276.
  40. Seyhan M, Kocaoglu B, Nalbantoglu U, Aktas S ,Guven O. A Positioning Technique For Closed Intramedullary Nailing Of Tibia Fractures. J Trauma . 2008 May;64(5):1408-11.
  41. Nalbantoglu U, Gereli A, Kocaoğlu B, Aktas S , Turkmen M. Capitellar cartilage injuries concomitant with radial head fractures. J Hand Surg [Am] . 2008 Nov;33(9):1602-7.
  42. Aktas S, Kocaoglu B. Open versus minimal invasive repair with achillon device. Foot Ankle Int . 2009 May;30(5):391-7.
  43. Aktas RG, Aktas S, Yazgan O, Altaner S. The effects of long term low-dose cyclosporin A treatment on muscles and tendons: an experimental study. Turkish Journal of Trauma and Emergency Surgery . 2009; 15(4): 317-323.

 

BOOK CHAPTERS

  1. Sussman MD, Aktas S . The Child With Total Body Involvement Cerebral Palsy. In Oxford Textbook of Orthopaedics and Traumatology . Oxford University Press, New York, 2002.
  2. Aktas S. Topuk Ağrısı Cerrahisi Komplikasyonları (Complications in Surgery for Heel Pain). In Ortopedi ve Travmatoloji’de Komplikasyonlar (Complications in Orthopedic Surgery and Traumatology), Vol I, Ed by Kalenderer O, Guven M. TOTBID, Ankara, 2016.

 

PODIUM PRESENTATIONS PEER REVİEWED

  1. Çalpur OU, Aktas S , Candan L, Gülmez T: Polypropylene reconstruction of Achilles tendon defects (Experimental study in rabbits). The Second Turkish Congress of Arthroscopy and Knee Surgery .3/30/1994-4/2/1994, Antalya – Turkey (Poster presentation).
  2. Aktas S , Sarisaltik H, Çalpur OU: The relationship between Young classification system and hemodynamic instability in pelvic fractures. 1. Congress of Trauma and Emergency Surgery . 9/19-23/1995, Istanbul – Turkey (Oral presentation).
  3. Aktas S , Çalpur OU, Hüseyinova G, Akata E: The effect of collagen on tendon repair. SICOT Regional and XIV. Turkish National Congress of Orthopaedic Surgery and Traumatology . 9/29-4/10/1995, Izmir – Turkey (Poster presentation).
  4. Çalpur OU, Aktas S , Hüseyinova G, Aktas RG: The repair of cartilage defects with lyophilized collagen. SICOT Regional and XIV. Turkish National Congress of Orthopaedic Surgery and Traumatology . 9/29-4/10/1995, Izmir – Turkey (Poster presentation).
  5. Çalpur OU, Aktas S , Kurtulus A. ACL reconstruction with Tutoplast processed allograft. The 7th Congress of the European Society of Sports Traumatology, Knee Surgery and Arthroscopy. 5/10-15/1996, Budapest- Hungary (Poster presentation).
  6. Aktas S , Sussman MD. Chef’s Hat Appearance of the Proximal Femoral Epiphysis in Cleidocranial Dysplasia (CCD). 17t h Meeting of the European Pediatric Orthopaedics Society (EPOS) and The Inaugural Meeting of The International Federation of Paediatric Orthopaedic Societies (IFPOS). 1-4/4/1998, Madrid, Spain (Oral presentation).
  7. Aktas S , Aiona MD, Orendurff M. Evaluation of Rotational Gait Abnormality in the Patients with Cerebral Palsy. 1998 Gait and Clinical Movement Analysis Meeting. 7-10/4/1998, San Diego, CA, USA (Poster presentation).
  8. Aktas S , Sussman MD. Pes Cavus Deformity in Charcot Marie Tooth Disease. Pediatric Orthopaedic Society of North America 1998 Annual Meeting. 7-9/5/1998, Cleveland, OH, USA (Oral presentation).
  9. Bursalı A, Okan N, Aktas S . The Orthopaedic Profile of the Turkish School Age Children. 1999 Annual Congress of the European Society for Social Pediatrics. 13-16 October 1999, Istanbul, Turkey (Oral presentation).
  10. Aktas S , Saridogan K, Moralar U, Ture M. Patterns of Single Segment Non-Physeal Extremity Fractures in Children. III. National Trauma and Emergency Surgery Meeting. 31/8-4/9/1999, Antalya, Turkey (Oral presentation).
  11. Tan L, Aktas S , Ture M. The Reliability of Radiographic Parameters Measured in the Anteroposterior Pelvis Radiographs of the Patients with Developmental Hip Dysplasia. The Meeting of Bulgarian Pediatric Orthopaedics , 1-3 June 2000, Varna, Bulgaria (Oral presentation).
  12. Gurbuz H, Aktas S , Birtane M, Çopuroglu C, Oney T. The Effects of Acromioclavicular Arthrosis and Shape of Acromion on the Shoulder Impingement Syndrome. 8th Congress of the International Circle of Friends of TSOT , 9-12 June 2000, Edirne, Turkey (Oral presentation).
  13. Pekindil G, Aktas S , Saridogan K, Pekindil Y. Magnetic Resonance Imaging in Follow-up of Surgically Treated Clubfoot During Childhood . I. National M. R. Congress. 12/14-16/2000, Izmir, Turkey (Poster presentation).
  14. Aktas S , Moralar U. Comparison of the open and closed reduction techniques in children supracondylar humerus fractures. XVII. Turkish National Congress of Orthopaedic Surgery and Traumatology, 10/24-29/2001, Antalya, Turkey.
  15. Aktas S , Catak N, Hicdonmez T, Ture M. The reliability of the Ashworth Scale In The Assessment of Spasticity. XVII. Turkish National Congress of Orthopaedic Surgery and Traumatology, 10/24-29/2001, Antalya, Turkey.
  16. Arıkan E, Tuna H, Aktas S . Pedographic Evaluation of the Patients with Type II Diabetes Mellitus. XVII. Turkish National Congress of Orthopaedic Surgery and Traumatology, 10/24-29/2001, Antalya, Turkey.
  17. Celik Y, Aktas S . The Etiology of the Fall in Elder Patients with The Fracture of The Proximal Femur. XVII. Turkish National Congress of Orthopaedic Surgery and Traumatology, 10/24-29/2001, Antalya, Turkey.
  18. Bursali A, Gulman B, Aktas S . Definition Of The New Risk Factor In DDH. XVII. Turkish National Congress of Orthopaedic Surgery and Traumatology, 10/24-29/2001, Antalya, Turkey.
  19. Hicdonmez T, Aktas S , Hamamcıoglu MK, Cobanoglu S, Catak N, Kılıncer C, Simsek O. Brachial Plexus Selective Dorsal Rhizotomy in Upper Extremity Spasticity: Case Report. IV. International Congress On Cerebral Venous System and IV. International Congress On The Meningiomas Combined with Annual Meeting of Turkish Neurosurgical Society, June 3-8 2002, İstanbul.
  20. Seyhan M, Abbasoğlu A, Nalbantoğlu U, Haklar U, Aktaş Ş , Güven O. Locked Intramedullary Nail Treatment of Femoral Fractures. XVIII. Turkish National Congress of Orthopaedic Surgery and Traumatology, 18-23 October 2003, Istanbul.
  21. Seyhan M, Güven O, Nalbantoğlu U, Haklar U, Aktaş Ş , Abbasoğlu A. Primary Unreamed Intramedullary Nail Treatment in Open Tibial Shaft Fractures. XVIII. Turkish National Congress of Orthopaedic Surgery and Traumatology, 18-23 October 2003, Istanbul.
  22. Seyhan M, Nalbantoğlu U, Abbasoğlu A, Haklar U, Güven O, Aktaş Ş . SurgicalTreatment of Clavicle Midshaft Fractures. XVIII. Turkish National Congress ofOrthopaedic Surgery and Traumatology, 18-23 October 2003, Istanbul.
  23. Nalbantoğlu U, Seyhan M, Haklar U, Abbasoğlu A, Aktaş Ş . Surgical Treatments of Metacarpal Fractures. XVIII. Turkish National Congress of Orthopaedic Surgery and Traumatology, 18-23 October 2003, Istanbul.
  24. Aktaş Ş , Balık M. Surgical Treatment of Forearm Fractures in Children. XVIII. Turkish National Congress of Orthopaedic Surgery and Traumatology, October 18-23, 2003, Istanbul.
  25. Seyhan M, Haklar U, Abbasoğlu A, Nalbantoğlu U, Aktaş Ş , Güven O. EarlyUnreamed Nailing of Open gunshot fractures of femur and tibia. XVIII. Turkish National Congress of Orthopaedic Surgery and Traumatology, 18-23 October 2003, Istanbul.
  26. Aktaş Ş, Kocaoğlu B, Nalbantoğlu N, Seyhan M, Abbasoğlu A. A Comprehensive study of End to end versus Augmented repairs of Acute Heel Cord Ruptures V. National Trauma and Emergency Surgery Congress, November 16-20, 2005, Antalya.
  27. Dr. Ufuk Nalbantoğlu, Dr. Barış Kocaoğlu, Dr. Arel Gereli, Dr. Şeref Aktaş, Dr. Osman Güven. ORIF Treatment of Radial Head Mason Type 3 and 4 fractures: Do we really need to excise the radial head do an arthroplasty? XX. Turkish National Congress of Orthopaedic Surgery and Traumatology, October 23-28, 2007, Ankara.
  28. Dr.Mustafa Seyhan, Dr.Barış Kocaoğlu, Dr.Adnan Abbasoğlu, Dr.Şeref Aktaş, Dr.Osman Güven. Comparison of Sliding Hip Nails and Proximal Femoral Nails in the treatment of trochanteric fractures. XX. Turkish National Congress of Orthopaedic Surgery and Traumatology, October 23-28, 2007, Ankara.
  29. Dr.Ufuk Nalbantoğlu,Dr.Arel Gereli,Dr.Barış Kocaoğlu, Dr.Şeref Aktaş,Dr.Mustafa Seyhan,Dr.Osman Güven. Outcomes of Surgical Treatment of Coronoid Fractures. XX. Turkish National Congress of Orthopaedic Surgery and Traumatology, October 23-28, 2007, Ankara.
  30. Şeref Aktaş, Nuri Aydın, Mustafa Seyhan, Ufuk Nalbantoğlu, Barış Kocaoğlu, Osman Güven. Colloss (Collagen) Use in Orthopedic Surgery: Clinical Outcomes. XX. Turkish National Congress of Orthopaedic Surgery and Traumatology, October 23-28, 2007, Ankara.
  31. Dr.Şeref Aktaş, Dr.Barış Kocaoğlu, Dr.Arel Gereli, Dr.Mustafa Seyhan, Dr.Osman Güven. Chondral Lesion Incidence Rates of different Ankle Fracture Types. XX. Turkish National Congress of Orthopaedic Surgery and Traumatology, October 23-28, 2007, Ankara.
  32. Dr.Mustafa Seyhan, Dr.Barış Kocaoğlu, Dr.Ufuk Nalbantoğlu, Dr.Şeref Aktaş, Dr.Osman Güven. New Surgical Positioning in Tibial Nailing. XX. Turkish National Congress of Orthopaedic Surgery and Traumatology, October 23-28, 2007, Ankara.
  33. Dr. Şeref Aktaş, Dr.Barış Kocaoğlu, Dr.Ufuk Nalbantoğlu, Dr.Mustafa Seyhan , Dr.Osman Güven.Heel cord repairs:clinical outcomes. XX. Turkish National Congress of Orthopaedic Surgery and Traumatology, October 23-28, 2007, Ankara.

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