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Author: search.filters.author.Celik, Omer

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    The Relationship Between Gamma-Glutamyl Transferase Levels and Coronary Plaque Burdens and Plaque Structures in Young Adults With Coronary Atherosclerosis
    (WILEY, 2014-01-01) Celik, Omer; Cakmak, Huseyin Altug; Satilmis, Seckin; Gungor, Baris; Akin, Fatih; Ozturk, Derya; Yalcin, Ahmet Arif; Ayca, Burak; Erturk, Mehmet; Atasoy, Mehmet Mahir; Uslu, Nevzat
    Background: Elevated gamma-glutamyl transferase (GGT) levels have been demonstrated to be associated with poor prognoses in patients with coronary artery disease. Coronary computed tomography angiography (CCTA) is a noninvasive imaging modality that may differentiate the structure of coronary plaques. Elevated plaque burdens and noncalcified plaques, detected by CCTA, are important predictors of atherosclerosis in young adults. Hypothesis: The present study investigated the possible relationship between GGT levels and coronary plaque burdens/structures in young adults with coronary atherosclerosis. Methods: CCTA images of 259 subjects were retrospectively examined, and GGT levels were compared between patients with coronary plaques and individuals with normal coronary arteries. Coronary plaques, detected by CCTA, were categorized as noncalcified, calcified, and mixed, according to their structures. The significant independent predictors of coronary atherosclerosis were also analyzed using multivariate logistic regression analysis. Results: GGT levels were significantly higher in patients with coronary plaque formation than in controls (35.7 +/- 14.7 vs 19.6 +/- 10.0 U/L
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    Association between serum vitamin D levels and subclinical coronary atherosclerosis and plaque burden/composition in young adult population
    (ASSOC BASIC MEDICAL SCI FEDERATION BOSNIA \& HERZEGOVINA SARAJEVO, 2015-01-01) Satilmis, Seckin; Celik, Omer; Biyik, Ismail; Ozturk, Derya; Celik, Kubra Asik; Akin, Fatih; Ayca, Burak; Yalcin, Burce; Dagdelen, Sinan
    Evidence suggests that low 25-OH vitamin D (25)(OH)D concentrations may increase the risk of several cardiovascular diseases such as hypertension, peripheral vascular disease, diabetes mellitus, obesity, myocardial infarction, heart failure and cardiovascular mortality. Recent studies suggested a possible relationship between vitamin I) deficiency and increased carotid intima-media wall thickness and vascular calcification. We hypothesized that low 25(OH)D may be associated with coronary atherosclerosis and coronary plaque burden and composition, and investigated the relationship between serum vitamin I) levels and coronary atherosclerosis, plaque burden or structure, in young adult patients by using dual-source 128x2 slice coronary computed tomography angiography (CCTA). We included 98 patients with coronary atherosclerosis and 110, age and gender matched, subjects with normal findings on CCTA examinations. Patients with subclinical atherosclerosis had significantly higher serum total cholesterol, triglycerides, hs-CRP, uric acid, HbA1c and creatinine levels and lower serum 25(OH)l) levels in comparison with controls. There was no significant correlation between 25(OH)D and plaque morphology. There was also a positive relationship between 25(OH)D and plaque burden of coronary atherosclerosis. In multivariate analysis, coronary atherosclerosis was associated high hs-CRP (adjusted OR: 2.832), uric acid (adjusted OR: 3.671) and low 25(OH)D (adjusted OR: 0.689). Low levels of 25(OH)D were associated with coronary atherosclerosis and plaque burden, but there was no significant correlation between 25(OH)D and plaque morphology.
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    Feasibility of GRACE and TIMI Scores in Predicting the Extension of Coronary Artery Disease in Patients with Non ST Elevation Myocardial Infarction
    (2013-01-01) Aksu, Hale Unal; Gorgulu, Sevket; Oner, Ender; Erturk, Mehmet; Celik, Omer; Aksu, Huseyin