Browsing by Author "Keskek, Sakir Ozgur"

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    High Levels of Circulating Endothelial Progenitor Cells Are Associated with Acrotism in Patients with Takayasu Arteritis
    (2017) Kozanoglu, Ilknur; Keskek, Sakir Ozgur; Bozkirli-Ersozlu, Emine Duygu; Yucel, Ahmet Eftal; 0000-0002-5268-1210; 27816980; AAE-1241-2021; I-6542-2012
    Objectives: To investigate the association between endothelial progenitor cells (EPCs) and Takayasu arteritis (TA). Subjects and Methods: A total of 39 subjects were included in this study: 12 subjects had been diagnosed with active TA, 11 had active Behcet disease (BD), and 16 were healthy controls. The EPCs, erythrocyte sedimentation rate (ESR), and C-reactive protein (CRP) levels of all the subjects were measured. MedCalc 15.8 software (MedCalc, Belgium) was used for all statistical analyses. Results: The level of EPCs was higher in TA patients (4.25 +/- 2.56) than in the BD group (2.27 +/- 2.0) and the healthy controls (2.12 +/- 1.2) (p = 0.015). TA patients with acrotism (n = 4) had higher levels of EPCs compared to TA patients without acrotism (n = 8) (6.50 +/- 1.73 vs. 3.12 +/- 2.16, p = 0.02). A positive correlation was found between EPCs and the ESR (r = 0.723, p = 0.0079) and between EPCs and CRP in patients with TA (r = 0.769, p < 0.0034). Conclusion: High levels of circulating EPCs were correlated with the CRP level and the ESR in patients with TA. These cells could be a marker for acrotism and inflammation in patients with TA. (C) 2016 S. Karger AG, Basel
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    Intraocular pressure in subjects with beta-thalassemia minor
    (2019) Keskek, Sakir Ozgur; Keskek, Nedime Sahinoglu; Ilgin, Gizem; Sukgen, Emine; 30810618
    Purpose: Beta-thalassemia minor, a common hereditary blood disorder in Mediterranean countries such as Turkey, is associated with insulin resistance. Insulin resistance, in turn, can be associated with excessively high intraocular pressure and, therefore, intraocular pressure-induced blindness. This study aimed to investigate the intraocular pressure in subjects with beta-thalassemia minor. Methods: We conducted a cross-sectional study comprising of 203 subjects divided into two groups: beta-thalassemia minor (103) and healthy (100). Hemoglobin electrophoresis was performed and complete blood count, blood pressures, serum fasting glucose and insulin levels were measured. All subjects underwent ophthalmological examinations including intraocular pressure measurements. Results: Intraocular pressure in the subjects with beta-thalassemia minor was significantly lower than that in healthy subjects (p=0.007). Additionally, intraocular pressure was inversely correlated with hemoglobin A(2) levels (p=0.001, r=-0.320). Serum insulin and systolic blood pressure were significantly higher in subjects with beta-thalassemia minor (p=0.03, p=0.009, respectively). Conclusion: Subjects with beta-thalassemia minor had lower intraocular pressure than healthy controls, suggesting beta-thalassemia minor may actually protect against high intraocular pressure.