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ATAŞ, HALİL

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ATAŞ

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HALİL

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2013 - 20162
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Author: SÜNBÜL, MURAT × Subject: Arterial stiffness ×

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    Evaluation of arterial stiffness and hemodynamics by oscillometric method in patients with systemic sclerosis
    (SPRINGER WIEN, 2013) ÇİNÇİN, AHMET ALTUĞ; Sunbul, Murat; Tigen, Kursat; Ozen, Gulsen; Durmus, Erdal; Kivrak, Tarik; Cincin, Altug; Kepez, Alper; Atas, Halil; Direskeneli, Haner; Basaran, Yelda
    Arterial stiffness and its hemodynamic consequences are associated with adverse cardiovascular events. Pulse wave velocity (PWV) and augmentation index (AIx) are noninvasive markers of arterial stiffness. Systemic sclerosis (SSc) is a systemic, autoimmune disease affecting mainly the small vessels. The aim of this study was to evaluate the arterial stiffness parameters and hemodynamics by oscillometric method in patients with SSc. Thirty-five consecutive patients with diagnosed SSc and 35 age- and sex-matched healthy controls were included in the study. Measurements of arterial stiffness were carried out by using a Mobil-O-Graph arteriograph system that detected signals from the brachial artery. While hemodynamic parameters were not statistically significant between SSc and control groups, heart rate was significantly higher in SSc group (84 +/- 12 and 72 +/- 7 bpm, p = 0.001). SSc patients had significantly higher AIx and PWV values compared with controls (27.9 +/- 12.4 versus 21.0 +/- 11.4 %, p = 0.019 and 6.56 +/- 1.5 versus 5.04 +/- 0.17 m/s, p < 0.001, respectively). PWV was significantly associated with SSc when adjusted by heart rate (p = 0.001, Odds ratio (OR): 17.304, 95 % confidence interval (CI): 3.225-92.832). PWV and AIx were significantly higher in patients with SSc. Measurement of arterial stiffness parameters using oscillometric method was reliable, reproducible and easy in patients with SSc.
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    Arterial stiffness parameters associated with vitamin D deficiency and supplementation in patients with normal cardiac functions
    (AVES, 2016) ÇİNÇİN, AHMET ALTUĞ; Sunbul, Murat; Cincin, Altug; Bozbay, Mehmet; Mammadov, Ceyhun; Atas, Halil; Ozsenel, Ekmel Burak; Sari, Ibrahim; Basaran, Yelda
    Objective: Arterial stiffness parameters including pulse wave velocity (PWV) and augmentation index (AIx) are associated with increased risk of cardiovascular disease. A close relationship has been demonstrated between vitamin D deficiency and cardiovascular disease. The aim of the present study was to investigate effects of vitamin D deficiency and supplementation on arterial stiffness parameters in patients with normal cardiac functions. Methods: Study population consisted of 45 patients with vitamin D deficiency and normal cardiac functions. Median age (interquartile range) was 45.0 (12.00) years, and 33 patients were female. Patients were treated with oral administration of vitamin D3. Arterial stiffness parameters were evaluated using Mobil-O-Graph arteriograph system, which detected signals from the brachial artery before and after treatment. Results: Vitamin D levels significantly increased after treatment (9.0 [6.00] nmol/L vs 29.0 [11.50] nmol/L, p<0.001). No significant difference was observed among conventional echocardiographic parameters before or after treatment. Post-treatment PVW and AIx were significantly lower than baseline measurements (6.8 [1.55] m/s vs 6.4 [1.30] m/s, p<0.001 and 23.0 [22.00]% vs 31.0 [14.50]%, p<0.001, respectively). Baseline vitamin D levels significantly correlated with PWV (r=-0.352, p=0.018). Post-treatment vitamin D levels also significantly correlated with post-treatment PWV (r=-0.442, p=0.002) and AIx (r=-0.419, p=0.004). Multivariate linear regression analysis revealed no independent predictor of baseline log-transformed PWV. Conclusion: Vitamin D supplementation has beneficial effects on arterial stiffness. Arterial stiffness parameters may aid in the assessment of cardiovascular risk in patients with vitamin D deficiency.