Browsing by Author "Demir, Selim"
Now showing items 1-20 of 35
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Age-related changes of aquaporin expression patterns in the postnatal rat retina
Ortak, Huseyin; Cayli, Sevil; Ocakli, Seda; Sogut, Erkan; Ekici, Fatih; Tas, Ufuk; Demir, Selim (Elsevier Gmbh, Urban & Fischer Verlag, 2013)Previous studies revealed that the rat retina contains numerous membrane-located water channels, the aquaporins (AQPs). Protein expression patterns of AQP1-4, 6 and 9 were examined by immunohistochemistry. In the present ... -
Association of MMP2-1306C/T and TIMP2G-418C polymorphisms in retinal vein occlusion
Ortak, Huseyin; Demir, Selim; Ates, Omer; Sogut, Erkan; Alim, Sait; Benli, Ismail (Academic Press Ltd- Elsevier Science Ltd, 2013)Matrix metalloproteinases (MMPs) are large groups of zinc-dependent proteases that play an important role in many diseases and pathological processes such as cancer, angiogenesis, atherosclerosis, and vascular disease. ... -
Comparison of normal and keratoconic corneas by Galilei Dual-Scheimpflug Analyzer
Demir, Selim; Sonmez, Baris; Yeter, Volkan; Ortak, Huseyin (Elsevier Science Bv, 2013)Background and objective: To determine the efficacy of different Galilei Scheimpflug-Analyzer (GSA) parameters in discriminating between keratoconic and myopic eyes. Patients and methods: GSA measurements were obtained for ... -
Decreased central corneal thickness in ankylosing spondylitis
Ortak, Huseyin; Inanir, Ahmet; Demir, Selim; Uysal, Alper; Sahin, Safak; Sagcan, Mustafa; Onder, Yalcin (Springer, 2014)Central corneal thickness and dry eye tests were evaluated in a study population consisting of 68 ankylosing spondylitis patients diagnosed according to the modified New York criteria, and 61 age-matched controls without ... -
Detection of hemorrhage in retinal images using linear classifiers and iterative thresholding approaches based on firefly and particle swarm optimization algorithms
Adem, Kemal; Hekim, Mahmut; Demir, Selim (2019)We propose a novel iterative thresholding approach based on firefly and particle swarm optimization to be used for the detection of hemorrhages, one of the signs of diabetic retinopathy disease. This approach consists of ... -
Duration of the depressive episode is correlated with ganglion cell inner plexifrom layer and nasal retinal fiber layer thicknesses: Optical coherence tomography findings in major depression
Yildiz, Mesut; Alim, Sait; Batmaz, Sedat; Demir, Selim; Songur, Emrah; Ortak, Huseyin; Demirci, Kadir (Elsevier Ireland Ltd, 2016)Optical coherence tomography (OCT) is a relatively new, noninvasive imaging technique that has been used increasingly to diagnose and manage a variety of retinal diseases. Since the axons in retinal nerve fiber layer (RNFL) ... -
The effect of anesthesia depth on the oculocardiac reflex in strabismus surgery
Karaman, Tugba; Demir, Selim; Dogru, Serkan; Sahin, Aynur; Tapar, Hakan; Karaman, Serkan; Kaya, Ziya (Springer Heidelberg, 2016)The aim of this study was to investigate the effect of the bispectral index (BIS) guided depth of anesthesia to inhibition of the oculocardiac reflex (OCR) during pediatric strabismus surgery. Patients between the ages of ... -
Effect of obstructive sleep apnea syndrome on corneal thickness
Koseoglu, Handan Inonu; Kanbay, Asiye; Ortak, Huseyin; Karadag, Remzi; Demir, Osman; Demir, Selim; Gunes, Alper (Springer, 2016)Obstructive sleep apnea syndrome (OSAS) might be a risk factor for the development of eye disorders. The aim of the study was to evaluate the effect of OSAS on central corneal thickness (CCT). A total of 195 patients were ... -
The Evaluation of the Ganglion Cell Layer-Inner Plexiform Layer Complex Thickness in Early Parkinson's Disease
Aksoy, Durdane; Demir, Selim; Ortak, Huseyin; Cevik, Betul; Sumbul, Orhan; Kurt, Semiha (Lippincott Williams & Wilkins, 2018) -
Frequency of uveitis and its associations with HLA B27 in ankylosing spondylitis patients
Demir, Ayse Kevser; Deveci, Hulya; Demir, Selim (2019)Aim: To investigate the prevalence of uveitis in ankylosing spondylitis (AS) patients and its relationship with HLA B27. Methods: The data of 95 patients with AS who admitted to Tokat Gaziosmanpaşa University Internal ... -
GENETIC ASSOCIATION BETWEEN ARTERIAL STIFFNESS-RELATED GENE POLYMORPHISMS IN BRVO AND CRVO PATIENTS IN A TURKISH POPULATION
Demir, Selim; Ortak, Huseyin; Benli, Ismail; Alim, Sait; Butun, Ilknur; Gunes, Alper; Ates, Omer (Lippincott Williams & Wilkins, 2015)Purpose:To investigate possible associations between five different single-nucleotide polymorphisms, from genes associated with arterial stiffness and branch retinal vein occlusion (BRVO), or central retinal vein ... -
Incidence of retinopathy of prematurity in the middle Black Sea region of Turkey over a 10-year period
Demir, Selim; Yucel, Ozlem Eski; Niyaz, Leyla; Karakus, Gulay; Ariturk, Nursen (Mosby-Elsevier, 2015)PURPOSE To report the incidence of retinopathy of prematurity (ROP) in babies with a birth weight of <= 1750 g over a 10-year period in the north of Turkey. METHODS The medical records of 2,365 preterm babies who had been ... -
Increased Expression of Aquaporin-1 and Aquaporin-3 in Pterygium
Ortak, Huseyin; Cayli, Sevil; Ocakli, Seda; Demir, Selim (Lippincott Williams & Wilkins, 2013)Purpose:Recent studies have shown that aquaporins (AQPs) play an important role in proliferating tumor microvessels and angiogenesis. In this study, the authors investigated the expression of aquaporin-1 (AQP1) and aquaporin-3 ... -
Intraocular pressure changes: the McGrath video laryngoscope vs the Macintosh Laryngoscope; a randomized trial
Karaman, Tugba; Dogru, Serkan; Karaman, Serkan; Demir, Selim; Kaya, Ziya; Suren, Mustafa; Arid, Semih (Elsevier Science Inc, 2016)Study Objective: To determine the effects of the McGrath Series 5 video laryngoscope on intraocular pressure (TOP) during laryngoscopy. Design: Prospective, randomized, double blind. Setting: Operating room. Patients: ... -
Investigation of Behcet's Disease and Recurrent Aphthous Stomatitis Frequency: The Highest Prevalence in Turkey
Bas, Yalcin; Seckin, Havva Yildiz; Kalkan, Goknur; Takci, Zennure; Onder, Yalcin; Citil, Riza; Demir, Selim (Aves, 2016)Background: The Recurrent Aphthous Stomatitis (RAS) is the most frequently observed painful pathology of the oral mucosa in the society. It appears mostly in idiopathic form; however, it may also be related with systemic ... -
Investigation of Behçet's Disease and Recurrent Aphthous Stomatitis Frequency: The Highest Prevalence in Turkey
Baş, Yalçın; Seçkin, Havva Yıldız; Kalkan, Göknur; Takcı, Zennure; Önder, Yalçın; Çıtıl, Rıza; Demir, Selim (2016)Background: The Recurrent Aphthous Stomatitis (RAS) is the most frequently observed painful pathology of the oral mucosa in the society. It appears mostly in idiopathic form; however, it may also be related with systemic ... -
Mapping Corneal Thickness Using Dual-Scheimpflug Imaging at Different Stages of Keratoconus
Demir, Selim; Ortak, Huseyin; Yeter, Volkan; Alim, Sait; Sayin, Osman; Tas, Ufuk; Sonmez, Baris (Lippincott Williams & Wilkins, 2013)Purpose:To map the thickness of the entire cornea using dual-Scheimpflug imaging and to evaluate the changes in the corneal thickness over the entire cornea at different stages of keratoconus.Methods:Corneal pachymetry was ... -
Miyopik Gözlerde Kornea Kalınlığının Dual Scheimpflug Kamera ile Değerlendirilmesi
Demir, Selim; Ortak, Hüseyin; Sayın, Osman; Taş, Ufuk; Sönmez, Barış (Gaziosmanpaşa Üniversitesi Tıp Fakültesi Dergisi, 2011)Amaç: Miyopik gözlerde kornea kalınlığının santralden perifere doğru değişiminin Galilei dual scheimpflug kamera ile değerlendirilmesi. Gereç ve Yöntem: Miyopik refraksiyon kusuru olan 143 hastanın gözünde korneal kalınlık ... -
Orta Karadeniz Bölgesi'nde Bir Üçüncü Basamak Tedavi Merkezinde Preterm İnfantlardaki Prematüre Retinopatisi İnsidansı
Amaç: Prematüre retinopatisi [retinopathy of prematurity (ROP)] tarama muayenesi yapılan preterm infantlarda ROP varlığı, muayene bulguları ve tedavi oranlarını incelemektir. Gereç ve Yöntemler: Ondokuz Mayıs Üniversitesi ...
