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UZER, GÖKÇER

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GÖKÇER
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UZER
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Now showing 1 - 10 of 27
  • PublicationOpen Access
    Comparison of Small-diameter-hole and Traditional Microfracture in Cartilage Repair and the Effect of Adding a Hyaluronic Acid-based Acellular Matrix Scaffold: An Animal Study
    (2021-03-01T00:00:00Z) UÇAN, VAHDET; YILDIZ, FATİH; ELMADAĞ, Nuh Mehmet; UZER, GÖKÇER; GÜZEL, YUNUS; TOK, OLGU ENİS; Mukaddes, E.; UÇAN, VAHDET; YILDIZ, FATİH; ELMADAĞ, NUH MEHMET; UZER, GÖKÇER; TOK, OLGU ENİS; EŞREFOĞLU, MUKADDES
    Objective: Since, there is no standardized technique for the treatment of focal cartilage defects that can recreate original cartilage tissue; researchers continue to explore and evaluate various treatment modalities. This study compared post-operatke healing of cartilage defects after treatment with small-diameter-hole microfracture (SDHM) technique with that of traditional microfracture technique. The effects of the hole density and augmentation with hyaluronic acid-based acellular matrix (HA-based AM) on cartilage healing were also investigated. Methods: Articular cartilage defects measuring 5 mm in diameter and 3 mm in depth were created in each femoral trochlear groove of 21 New Zealand rabbits. Rabbits were assigned to seven groups comprising six knees each. The rabbits were sacrificed 12 weeks later, and the regenerated cartilage was harvested for histological evaluation using the Wakitani scoring system. Results: All defects were filled with regenerated tissue macroscopically. Group I (14; range 10-14 points) had significantly higher Wakitani score than in groups VI (6; range 1-11 points) and VII (5; range 3-10 points) (p=0.043 and p=0.016, respectively). No significant differences were observed among the other groups. Augmentation with HA-based AM did not contribute to cartilage healing. Conclusion: Improved cartilage healing was observed with increasing SDHM density than with traditional microfracture technique. SDHM combined with HA-based AM implantation did not improve the quality of the regenerated cartilage.
  • PublicationMetadata only
    ARTROSKOPİK LATERJET:ÖĞRENME EĞRİSİ VE ERKEN DÖNEM SONUÇLARI
    (2014-11-16) BİLSEL, İSMAİL KEREM; UZER, GÖKÇER; ELMADAĞ, NUH MEHMET; YILDIZ, FATİH; ALİ, JOTYAR; TUNCAY, İBRAHİM; BİLSEL, İSMAIL KEREM; UZER, GÖKÇER; ELMADAĞ, NUH MEHMET; YILDIZ, FATİH; ALİ, JOTYAR; TUNCAY, İBRAHİM
  • PublicationMetadata only
    HUMERUS ÜSTUÇ KIRIĞI NEDENİYLE OTOGREFT KULLANILARAK VEYA KULLANILMADAN TERS OMUZPROTEZİ YAPILAN HASTALARININ SONUÇLARI
    (2017-01-10) UZER, GÖKÇER; YILDIZ, FATİH; BİNLAKSAR, RUWAİS; ELMADAĞ, NUH MEHMET; KUŞ, GAMZE; BİLSEL, İSMAİL KEREM; UZER, GÖKÇER; YILDIZ, FATİH; ELMADAĞ, NUH MEHMET; BİLSEL, İSMAIL KEREM
  • PublicationOpen Access
    The Stoppa approach versus the ilioinguinal approach for anterior acetabular fractures: A case control study assessing blood loss complications and function outcomes
    (2014-10-01T00:00:00Z) Elmadag, M.; Guzel, Y.; Acar, M. A.; UZER, GÖKÇER; ARAZI, M.; ELMADAĞ, NUH MEHMET; UZER, GÖKÇER
    Background: The modified Stoppa approach was introduced to manage fracture of the anterior column instead of the ilioinguinal approach to reduce morbidity. However there is no clinical evidence to confirm its efficiency. Therefore this study was designed to ascertain: (1) if the Stoppa approach versus ilioinguinal allows less blood loss, (2) if functional and radiological results are superior to that of the ilioinguinal approach, (3) if the rate of complication was different.
  • PublicationOpen Access
    Superior Mesenteric Artery Syndrome due to a Vertebral Hemangioma and Postpartum Osteoporosis following Treatment.
    (2015-01-01) Elmadag, M; GÜZEL, Y; UZER, GÖKÇER; TUNCAY, İBRAHİM; ELMADAĞ, NUH MEHMET; UZER, GÖKÇER; TUNCAY, İBRAHİM
    In pregnancy, advanced vertebral hemangiomas may be seen, and these require treatment. The case reported here is of a 35-yearold female in the 32nd week of pregnancy who was admitted to the orthopaedics clinic with a history of backache and difficulty walking. A burst fracture of L1 associated with a vertebral hemangioma was identified with an L3 compression fracture secondary to osteoporosis. The local kyphosis angle between T12 and L2 was 27∘ . Kyphotic deformity was corrected and postoperatively, the measured T12–L2 local kyphotic angle was 9∘ . Twelve hours postoperatively, oral nutrition was allowed, but she developed nausea and vomiting and twenty-four hours postoperatively, an electrolyte imbalance developed. Postoperatively, the patient was diagnosed with superior mesenteric artery syndrome. To the best of our knowledge, this is the first reported case of superior mesenteric artery syndrome, which occurred following the correction of a kyphotic deformity that had developed secondary to an advanced hemangioma in pregnancy
  • PublicationMetadata only
    TOTAL KALÇA ARTROPLASTİSİ DİREKT ANTERİOR YAKLAŞIMINDA ÖĞRENME EĞRİMİZ
    (2014-11-16) TUNCAY, İBRAHİM; YILDIZ, FATİH; UZER, GÖKÇER; ELMADAĞ, NUH MEHMET; BATAR, SUAT; TUNCAY, İBRAHİM; YILDIZ, FATİH; UZER, GÖKÇER; ELMADAĞ, NUH MEHMET
  • PublicationMetadata only
    Biomechanical Comparison of 2 Different Femoral Stems in the Shortening Osteotomy of the High-Riding Hip
    (2016-06-01) Tuncay, Ibrahim; Yildiz, FATİH; Bilsel, Kerem; Uzer, GÖKÇER; Elmadag, Mehmet; Erden, TUNAY; Bozdag, Ergun; TUNCAY, İBRAHİM; YILDIZ, FATİH; BİLSEL, İSMAIL KEREM; UZER, GÖKÇER; ELMADAĞ, NUH MEHMET; ERDEN, TUNAY
    Background: We hypothesized that a rectangular cross-sectional femoral stem may produce more initial stability of the transverse subtrochanteric femoral shortening osteotomy rather than a circular cross-sectional stem.
  • PublicationOpen Access
    Comparison of two types of proximal femoral hails in the treatment of intertrochanteric femur fractures
    (2015-09-01) Uzer, GÖKÇER; Elmadag, NUH MEHMET; Yildiz, FATİH; Bilsel, Kerem; Erden, TUNAY; Toprak, HÜSEYİN; UZER, GÖKÇER; ELMADAĞ, NUH MEHMET; YILDIZ, FATİH; BİLSEL, İSMAIL KEREM; ERDEN, TUNAY; TOPRAK, HÜSEYİN
    Background: Hip nailing is frequently used to treat unstable intertrochanteric femoral fractures (ITF) in elderly patients. In this retrospective study, we compared the functional and radiological results, and the complications, of patients treated using proximal femoral nails (PFN) with an integrated, interlocking, compression lag screw, or two separate lag screws, which allow linear compression at the fracture site. Methods: A total of one hundred and eighteen patients were operated on for AO/OTA 31-A2 ITF between May 2010 and April 2012, and eighty-two of these patients, for whom sufficient follow-up data and documentation were available, were included into the study. PFNs with interlocking, integrated lag screws (Group I) were used in forty-four patients, and PFNs with two separate lag screws (Group II) in thirty-eight. Outcome parameters were the extent of varus collapse and leg length discrepancy on radiographs, and the Western Ontario and McMaster Universities Arthritis Index (WOMAC) and Harris hip scores (HHS) as functional results. Results: Mean follow-up duration was 20 months (range, 12-36 months); fractures healed in all patients. Mean varus collapse values were 2.03±5.68° and 5.21±5.27° (p=0.01), Harris hip scores 73.2±11.65 and 74.72±11.15 (p=0.54), and WOMAC scores 70.78±11.41 and 71.78±11.19 (p=0.69) in Groups I and II, respectively. No difference was detected between the groups in terms of outcome parameters or complication rate. Conclusion: In the treatment of ITF, PFNs with an integrated, interlocking, compression lag screw, or two separate lag screws did not differ in terms of functional and radiological results or complication rate.
  • PublicationMetadata only
    60 YAŞ ALTI BAYAN MEDİAL EKLEM OSTEOARTRİTİ OLAN HASTALARDA UNİKOMPARTMANTAL DİZ PROTEZİ VE YÜKSEK TİBİAL OSTEOTOMİNİN KLİNİK VE FONKSİYONEL SONUÇLARININ KARŞILAŞTIRILMASI
    (2014-11-16) UZER, GÖKÇER; YILDIZ, FATİH; ELMADAĞ, NUH MEHMET; KARA, DENİZ; TUNCAY, İBRAHİM; UZER, GÖKÇER; YILDIZ, FATİH; ELMADAĞ, NUH MEHMET; TUNCAY, İBRAHİM
  • PublicationMetadata only
    Comparison of four different techniques for performing an osteotomy A BIOMECHANICAL, RADIOLOGICAL AND HISTOLOGICAL STUDY ON RABBITS TIBIAS
    (2015-12-01) Elmadag, M.; Uzer, GÖKÇER; Yildiz, FATİH; ERDEN, TUNAY; Bilsel, K.; Buyukpinarbasili, NUR; USUMEZ, A.; BOZDAG, E.; SEN, C.; ELMADAĞ, NUH MEHMET; UZER, GÖKÇER; YILDIZ, FATİH; ERDEN, TUNAY; BİLSEL, İSMAIL KEREM; BÜYÜKPINARBAŞILI, NUR
    This animal study compares different methods of performing an osteotomy, including using an Erbium-doped Yttrium Aluminum Garnet laser, histologically, radiologically and biomechanically. A total of 24 New Zealand rabbits were divided into four groups (Group I: multihole-drilling; Group II: Gigli saw; Group III: electrical saw blade and Group IV: laser). A proximal transverse diaphyseal osteotomy was performed on the right tibias of the rabbits after the application of a circular external fixator. The rabbits were killed six weeks after the procedure, the operated tibias were resected and radiographs taken.