Prof. Dr. Ahmet Fırat

Gazi Üniversitesi Tıp Fakültesi — Medical education

Atatürk Eğitim ve Araştırma Hastanesi — Specialization in Orthopedics and Traumatology

Medical Park Ankara Batıkent — Orthopedics and Traumatology specialist

Hip joint surgery

Knee joint surgery

Sports injuries and sports surgery

Shoulder and elbow surgery

Ankle disorders

Limb-lengthening surgery

Regenerative orthopedics

Orthopedic trauma

1: Kocabey Y, Fırat A, Yıldırım A, Paksoy AE, Öner K, Veizi E. The Periosteum- Patellar Tendon-Bone Autograft for Anatomic, Single-Bundle Anterior Cruciate Ligament Reconstruction With Press-Fit Tibial Fixation. Arthrosc Tech. 2024 Apr 30;13(8):103021. doi: 10.1016/j.eats.2024.103021. PMID: 39233812; PMCID: PMC11369939.

2: Kılıçarslan K, Naldöven ÖF, Veizi E, Güven Ş, Çepni Ş, Fırat A. C-Reactive Protein and Erythrocyte Sedimentation Rates after Total and Unicompartmental Knee Arthroplasty-Less Implant Equals Quicker Normalization. J Long Term Eff Med Implants. 2024;34(4):49-55. doi: 10.1615/JLongTermEffMedImplants.2023050965. PMID: 38842232.

3: Fırat A, Veizi E, Koutserimpas C, Alkan H, Şahin A, Güven Ş, Erdoğan Y. Extended Interportal Capsulotomy for Hip Arthroscopy, a Single-Center Clinical Experience. Medicina (Kaunas). 2024 Apr 29;60(5):738. doi: 10.3390/medicina60050738. PMID: 38792921; PMCID: PMC11123463.

4: Akgun E, Emet A, Tepedelenlioglu E, Sibar K, Gok H, Firat A. Surgical treatment of patellar tendon rupture after total knee arthroplasty with a double-row repair method using the hamstring tendons: A novel technique with functional results. Medicine (Baltimore). 2024 Apr 26;103(17):e37875. doi: 10.1097/MD.0000000000037875. PMID: 38669383; PMCID: PMC11049757.

5: Emet A, Veizi E, Karaman Y, Akgun E, Tolunay T, Firat A. Volar fixed plating of distal radius fractures: optimizing plate position for enhanced clinical outcomes. BMC Musculoskelet Disord. 2024 Apr 23;25(1):320. doi: 10.1186/s12891-024-07415-z. PMID: 38654260; PMCID: PMC11036783.

6: Barça F, Atilla HA, Demir EB, Çevik K, Ilgın BU, Atlı OY, Yüksel S, Şibar K, Ünlü S, Duman E, Fırat A, Akdoğan M. Comparison of single and double incision leg fasciotomy in disaster settings-Experience from 2023 Türkiye earthquakes. Injury. 2024 Jun;55(6):111582. doi: 10.1016/j.injury.2024.111582. Epub 2024 Apr 17. PMID: 38640595.

7: Fırat A, Veizi E, Karaman Y, Alkan H, Şahin A, Tolunay T, Kılıçarslan K. Unrepaired Trochanteric Bursae as a Risk Factor for Deep Gluteal Syndrome After Total Hip Arthroplasty: A Prospective Randomized Controlled Trial. J Arthroplasty. 2024 Apr;39(4):1025-1030. doi: 10.1016/j.arth.2023.10.049. Epub 2023 Nov 2. Erratum in: J Arthroplasty. 2024 Sep 11:S0883-5403(24)00867-2. doi: 10.1016/j.arth.2024.08.023. PMID: 37924993.

8: Şahin A, Çepni Ş, Veizi E, Erdoğan Y, Fırat A, Kılıçarslan K. Advantages of Simultaneous Cementless Bilateral Unicondylar Knee Arthroplasty Compared to Staged Surgery. Clin Orthop Surg. 2023 Oct;15(5):752-759. doi: 10.4055/cios22178. Epub 2022 Oct 20. PMID: 37811517; PMCID: PMC10551677.

9: Alkan H, Karaman Y, Güven Ş, Biçici V, Subaşı İÖ, Yaşar NE, Fırat A. Are There Any Significant Risk Factors Associated with Lateral Trochanteric Pain in Patients Who Have Undergone Primary Hip Replacement? Cureus. 2023 Sep 7;15(9):e44863. doi: 10.7759/cureus.44863. PMID: 37809213; PMCID: PMC10560105.

10: Alkan H, Erdoğan Y, Veizi E, Sezgin BS, Çepni Ş, Mert HÇ, Fırat A. Better sex after hip arthroscopy; Sexual dysfunction in patients with femoro-acetabular impingement syndrome. Orthop Traumatol Surg Res. 2023 Sep 29:103693. doi: 10.1016/j.otsr.2023.103693. Epub ahead of print. PMID: 37776950.

11: Subaşı İÖ, Çepni Ş, Tanoğlu O, Veizi E, Alkan H, Yapici F, Firat A. A clinical comparison of two different surgical techniques in the treatment of acute Achilles tendon ruptures: Limited-open approach vs. percutaneous approach. Ulus Travma Acil Cerrahi Derg. 2023 Aug;29(8):935-943. doi: 10.14744/tjtes.2023.90839. PMID: 37563893; PMCID: PMC10560806.

12: Subaşı İÖ, Veizi E, Çepni Ş, Alkan H, Oğuz T, Fırat A. Clinical Examination Findings Can Accurately Diagnose Developmental Dysplasia of The Hip-A Large, Single-Center Cohort. Children (Basel). 2023 Feb 4;10(2):304. doi: 10.3390/children10020304. PMID: 36832433; PMCID: PMC9954844.

13: Veizi E, Erdoğan Y, Sezgin BS, Karaman Y, Kılıçarslan K, Fırat A. The painful joint after COVID-19 treatment: A study on joint osteonecrosis following COVID-19-related corticosteroid use. Jt Dis Relat Surg. 2023;34(1):75-83. doi: 10.52312/jdrs.2023.895. Epub 2022 Dec 27. PMID: 36700267; PMCID: PMC9903115.

14: Veizi E, Çelik Z, Güneş BE, Beşer CG, Demiryürek D, Fırat A. To wedge or not to wedge; A cadaveric comparison study of two medial malleolar osteotomy modalities. Foot Ankle Surg. 2022 Dec;28(8):1248-1253. doi: 10.1016/j.fas.2022.05.007. Epub 2022 May 26. PMID: 35641379.

15: Aydın M, Veizi E, Çepni Ş, Şahin A, Fırat A. Transosseous repair with a cortical implant for greater tubercle cyst-related rotator cuff tear results in good clinical outcomes, but significant implant migration. Knee Surg Sports Traumatol Arthrosc. 2022 Oct;30(10):3499-3507. doi: 10.1007/s00167-022-06958-9. Epub 2022 Apr 2. PMID: 35366077.

16: Veizi E, Alkan H, Çay N, Şahin A, Çepni Ş, Tecimel O, Fırat A. Clinical and radiological comparison of bioactive glass and poly-L-lactic acid/hydroxyapatite bioabsorbable interference screws for tibial graft fixation in anterior cruciate ligament reconstruction. Orthop Traumatol Surg Res. 2022 May;108(3):103247. doi: 10.1016/j.otsr.2022.103247. Epub 2022 Feb 12. PMID: 35167963.

17: Çepni Ş, Veizi E, Erdoğan Y, Şahin A, Fırat A, Kılıçarslan K. Closure of the femoral medullary canal after retrograde nailing using an in-situ osteochondral autograft-Technical trick and a case series. Injury. 2022 Feb;53(2):798-801. doi: 10.1016/j.injury.2021.10.030. Epub 2021 Oct 30. PMID: 34742571.

18: Veizi E, Çay N, Güven Ş, Şahin A, Fırat A, Kılıçarslan K. Plain Radiographs Can Safely Be Used to Measure and Follow Up on Tibial Component Alignment in Unicondylar Knee Replacement: A Correlation Study With CT Scans. Cureus. 2021 Aug 5;13(8):e16902. doi: 10.7759/cureus.16902. PMID: 34513475; PMCID: PMC8418210.

19: Çepni Ş, Subaşı İÖ, Şahin A, Bozkurt İ, Fırat A, Kılıçarslan K. Tip-neck distance ratio as a novel predictor for failure in cephalomedullary nailing of unstable trochanteric fractures (UTF). Arch Orthop Trauma Surg. 2022 Oct;142(10):2619-2626. doi: 10.1007/s00402-021-03999-6. Epub 2021 Jun 19. PMID: 34146115.

20: Veizi E, Fırat A, Çepni Ş, İnan HM, Kılıçarslan K. Segmental Defect-Bridging Intramedullary Knee Arthrodesis for Osseous Hydatidosis of the Distal Femur: A Case Report. Cureus. 2021 Feb 11;13(2):e13273. doi: 10.7759/cureus.13273. PMID: 33728208; PMCID: PMC7955198.

21: Veizi E, Fırat A, Tecimel O, Çepni Ş, Subaşı İÖ, Kılıçarslan K. The Change in Posterior Tibial Slope After Cementless Unicondylar Knee Arthroplasty. J Arthroplasty. 2021 May;36(5):1784-1791. doi: 10.1016/j.arth.2020.12.041. Epub 2020 Dec 30. PMID: 33478893.

22: Tecimel O, Bozkurt İ, Çepni Ş, Yaman F, Fırat A, Öçgüder DA. The comparison of single plate and double plate fixation methods for treatment of humeral shaft nonunions. Jt Dis Relat Surg. 2021;32(1):67-74. doi: 10.5606/ehc.2021.74488. Epub 2021 Jan 6. PMID: 33463420; PMCID: PMC8073438.

23: Çepni Ş, Yaman F, Veizi E, Fırat A, Çay N, Tecimel O. Does Malrotation After Minimally Invasive Plate Osteosynthesis Treatment of Distal Tibia Metaphyseal Fractures Effect the Functional Results of the Ankle and Knee Joints? J Orthop Trauma. 2021 Sep 1;35(9):492-498. doi: 10.1097/BOT.0000000000002053. PMID: 33395180.

24: Fırat A, Veizi E, Çepni Ş, Subaşı İÖ, Kılıçarslan K. The "Motionless Gastrocnemius": A Reliable Sign for Safe Graft Harvesting. Arthrosc Tech. 2020 Nov 16;9(12):e1879-e1884. doi: 10.1016/j.eats.2020.08.014. PMID: 33381395; PMCID: PMC7768048.

25: Fırat A, Aydın M, Tecimel O, Öçgüder A, Sanisoğlu Y, Uğurlu M. Comparison of the clinical and radiological outcomes of arthroscopic transosseous and transosseous-equivalent double-row rotator cuff repair techniques. Acta Orthop Traumatol Turc. 2020 Mar;54(2):178-185. doi: 10.5152/j.aott.2020.02.37. PMID: 32254034; PMCID: PMC7286160.

26: Öçgüder DA, Fırat A, Özdemir M, Tecimel O. Is the use of headless compression screws appropriate in arthroscopic ankle arthrodesis? Eklem Hastalik Cerrahisi. 2017 Dec;28(3):171-6. doi: 10.5606/ehc.2017.55466. PMID: 29125815.

27: Bozkurt M, Akkaya M, Tahta M, Gursoy S, Firat A. Tibial Base Plate for Total Knee Arthroplasty: Symmetric or Asymmetric? Clin Orthop Surg. 2017 Sep;9(3):280-285. doi: 10.4055/cios.2017.9.3.280. Epub 2017 Aug 4. PMID: 28861194; PMCID: PMC5567022.

28: Yılmaz S, Cankaya D, Fırat A, Devecı A, Ozkurt B, Bozkurt M. COMBINED INSIDE-OUT AND ALL-INSIDE TECHNIQUE IN BUCKET-HANDLE MENISCUS TEARS. Acta Ortop Bras. 2016 Jul-Aug;24(4):179-183. doi: 10.1590/1413-785220162404156575. PMID: 28243169; PMCID: PMC5035687.

29: Yilmaz S, Cankaya D, Deveci A, Firat A, Ozkurt B, Bozkurt M. The impact of joint line restoration on functional results after hinged knee prosthesis. Indian J Orthop. 2016 Mar-Apr;50(2):136-45. doi: 10.4103/0019-5413.177580. PMID: 27053802; PMCID: PMC4800955.

30: Bozkurt M, Firat A, Gursoy S, Akkaya M. Rotator Cerclage Technique for Partial Rotator Cuff Ruptures. Arthrosc Tech. 2015 Oct 21;4(5):e589-93. doi: 10.1016/j.eats.2015.07.004. PMID: 26900559; PMCID: PMC4722782.

31: Deveci A, Yilmaz S, Firat A, Yildirim AO, Oken OF, Gulcek M, Ucaner A. An Overlooked Deformity in Patients with Hallux Valgus Tailor's Bunion. J Am Podiatr Med Assoc. 2015 May;105(3):233-7. doi: 10.7547/0003-0538-105.3.233. PMID: 26146969.

32: Işik C, Apaydin N, Açar HI, Cay N, Firat A, Bozkurt M. Robotic hip arthroscopy: a cadaveric feasibility study. Acta Orthop Traumatol Turc. 2014;48(2):207-11. doi: 10.3944/AOTT.2014.3273. PMID: 24747631.

33: Deveci A, Fırat A, Bozkurt M, Hücümenoğlu S. A case of osteoid osteoma in the distal radius epiphysis with atypical onset. Acta Orthop Traumatol Turc. 2014;48(1):98-101. doi: 10.3944/AOTT.2014.2502. PMID: 24643108.

34: Deveci A, Firat A, Yilmaz S, Yildirim AO, Acar HI, Unal KO, Bozkurt M. Acromioclavicular reconstruction using hook plate and anterior tibial tendon allograft with triple tunnel: The early results of revision surgery using a novel surgical technique. Int J Shoulder Surg. 2013 Oct;7(4):132-8. doi: 10.4103/0973-6042.123513. PMID: 24403760; PMCID: PMC3883187.

35: Fırat A, Tecimel O, Işık C, Ozdemir M, Oçgüder A, Bozkurt M. Tibia pilon kırıklarının tedavisinde İlizarov eksternal fiksatörü: Ayak bileği eklemli mi yoksa sabit mi? [Ilizarov external fixator in the management of tibial pilon fractures: ankle hinged vs ankle fixed frame]. Eklem Hastalik Cerrahisi. 2013;24(3):133-8. Turkish. doi: 10.5606/ehc.2013.30. PMID: 24191877.

36: Yildiz KI, Isik C, Tecimel O, Cay N, Firat A, Akmese R, Bozkurt M. Use of contact pressure-sensitive surfaces as an indicator of graft tension in medial patellofemoral ligament reconstruction. Arch Orthop Trauma Surg. 2013 Dec;133(12):1657-63. doi: 10.1007/s00402-013-1874-7. Epub 2013 Oct 29. PMID: 24166678.

37: Akmeşe R, Yildiz KI, Işik Ç, Tecimel O, Bilgetekin YG, Firat A, Özakinci H, Bozkurt M. Combined arthroscopic synovectomy and radiosynoviorthesis in the treatment of chronic non-specific synovitis of the knee. Arch Orthop Trauma Surg. 2013 Nov;133(11):1567-73. doi: 10.1007/s00402-013-1853-z. Epub 2013 Sep 19. PMID: 24048363.

38: Deveci A, Firat A, Yilmaz S, Oken OF, Yildirim AO, Ucaner A, Bozkurt M. Short-term clinical and radiologic results of the scarf osteotomy: what factors contribute to recurrence? J Foot Ankle Surg. 2013 Nov-Dec;52(6):771-5. doi: 10.1053/j.jfas.2013.04.003. Epub 2013 May 8. PMID: 23663877.

39: Firat A, Catma F, Tunc B, Hacihafizoglu C, Altay M, Bozkurt M, Kapicioglu MI. The attic of the femoral tunnel in anterior cruciate ligament reconstruction: a comparison of outcomes of two suspensory femoral fixation systems. Knee Surg Sports Traumatol Arthrosc. 2014 May;22(5):1097-105. doi: 10.1007/s00167-013-2486-z. Epub 2013 Apr 4. PMID: 23552667.

40: Işik Ç, Tecimel O, Akmeşe R, Firat A, Tahta M, Bozkurt M. The comparison of plate-screw and tension band techniques in the osteosynthesis of Danis-Weber Type A and B lateral malleolar fractures. Acta Orthop Traumatol Turc. 2013;47(1):27-31. doi: 10.3944/aott.2013.3009. PMID: 23549314.

41: Firat A, Tecimel O, Deveci A, Ocguder A, Bozkurt M. Surgical technique: supine patient position with the contralateral leg elevated for femoral intramedullary nailing. Clin Orthop Relat Res. 2013 Feb;471(2):640-8. doi: 10.1007/s11999-012-2722-8. Epub 2012 Dec 6. PMID: 23224771; PMCID: PMC3549150.

42: Altay M, Demirkale I, Senturk F, Firat A, Kapicioglu S. Results of medial open reduction of developmental dysplasia of the hip with regard to walking age. J Pediatr Orthop B. 2013 Jan;22(1):36-41. doi: 10.1097/BPB.0b013e3283587631. PMID: 22990437.

43: Fırat A, Deveci A, Güler F, Oçgüder A, Oğuz T, Bozkurt M. Evaluation of shoulder and elbow functions after treatment of humeral shaft fractures: a 20-132-month follow-up study. Acta Orthop Traumatol Turc. 2012;46(4):229-36. doi: 10.3944/aott.2012.2486. PMID: 22951752.

44: Ocguder A, Firat A, Tecimel O, Solak S, Bozkurt M. Two-stage total infected knee arthroplasty treatment with articulating cement spacer. Arch Orthop Trauma Surg. 2010 Jun;130(6):719-25. doi: 10.1007/s00402-010-1054-y. Epub 2010 Feb 9. PMID: 20143079.

45: Ocguder A, Tecimel O, Firat A, Bozkurt M. Silent swelling of the tibia in a 43-year-old man. Clin Orthop Relat Res. 2008 Oct;466(10):2565-9. doi: 10.1007/s11999-008-0157-z. Epub 2008 Feb 14. PMID: 18273675; PMCID: PMC2584303.