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BAYRAKTAR, HAVVANUR

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HAVVANUR
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BAYRAKTAR
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Now showing 1 - 3 of 3
  • PublicationOpen Access
    Autologous Platelet-Rich Fibrin in the Treatment of Refractory Macular Holes
    (2019-11-06T00:00:00Z) Koytak, Arif; NUHOĞLU, FADİME; BAYRAKTAR, HAVVANUR; Ercan, Rukiye; Ozdemir, Hakan; KOYTAK, İBRAHİM ARİF; NUHOĞLU, FADİME; BAYRAKTAR, HAVVANUR; ERCAN, RUKIYE; ÖZDEMİR, MEHMET HAKAN
    Purpose. To describe a novel method for the treatment of refractory macular holes. Methods. Two case reports on the use of autologous platelet rich fibrin (PRF), followed by sulfur hexafluoride gas tamponade to facilitate closure of refractory macular holes. Results. Macular holes were succesfully closed within a week in both cases. Best corrected Snellen visual acuities improved from counting fingers to 0.16 in the first case, and from 0.05 to 0.2 in the second case. No complication occurred during or a er the procedures. Conclusion. e use of autologous PRF seems to be a safe and effective alternative method for the treatment of refractory macular holes. Further experience and studies are required to assess the value of autologous PRF in the management of challenging macular hole cases of different etiologies. To the best of our knowledge, this is the first use of autologous PRF in the treatment of macular holes.
  • PublicationMetadata only
    A novel tool reflecting the role of oxidative stress in the cataracts: thiol/disulfide homeostasis
    (2017-01-01) Elbay, AHMET; Ozer, Omer Faruk; ALTINISIK, Muhammed; ELBAY, Arif Emre; Sezer, TAHA; Bayraktar, HAVVANUR; OZDEMIR, Hakan; ELBAY, AHMET; ÖZER, ÖMER FARUK; SEZER, TAHA; BAYRAKTAR, HAVVANUR; ÖZDEMİR, MEHMET HAKAN
    We investigated serum and aqueous humor thiol/disulfide (T-D) homeostasis in patients with cataracts versus healthy controls. In total, 56 patients with cataracts and 49 healthy controls were enrolled in this case-control study. Serum total thiol (TT), native thiol (NT), and disulfide (DS) concentrations were determined using a novel automated measurement method. Additionally, DS/TT, DS/NT and NT/TT percentage ratios were compared between the groups. In comparison with the control group, serum NT levels and aqueous humor TT and NT levels were significantly lower (p<.05, p<.05 and p<.001, respectively), whereas serum and aqueous humor DS levels were significantly higher in cataract patients (p<.01 and p<.001). DS/TT and DS/NT ratios were significantly higher and the NT/TT ratio was lower in cataract patients in serum (p<.005) and aqueous humor samples (p<.001). In conclusion, serum T-D homeostasis may be useful as biochemical markers, indicating the role of oxidative stress in the development of cataracts. Further studies are needed to confirm the pathophysiological role of T-D homeostasis in cataractogenesis.
  • PublicationMetadata only
    Nadir Görülen Bir Keratit Etkeni Olarak Trichophyton tonsurans-Olgu Sunumu
    (2017-10-29) ELBAY, AHMET; BAYRAKTAR, HAVVANUR; ERCAN ÇETİNKAYA, Rukiye; SÜMBÜL GÜLTEPE, BİLGE; ELBAY, AHMET; BAYRAKTAR, HAVVANUR