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SARI, İBRAHİM

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Author: SÜNBÜL, MURAT × Author: ÇİNÇİN, AHMET ALTUĞ × End date: 2016 × Subject: BLOOD-PRESSURE ×

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    Neutrophil to lymphocyte and platelet to lymphocyte ratio in patients with dipper versus non-dipper hypertension
    (TAYLOR & FRANCIS INC, 2014) ÇİNÇİN, AHMET ALTUĞ; Sunbul, Murat; Gerin, Fethullah; Durmus, Erdal; Kivrak, Tarik; Sari, Ibrahim; Tigen, Kursat; Cincin, Altug
    Background: Neutrophil to lymphocyte ratio (NLR) and platelet to lymphocyte ratio (PLR) are associated with worse outcome in various diseases. Non-dipping blood pressure pattern is associated with higher cardiovascular mortality. The aim of this study was to explore the association between NLR and PLR in patients with dipper versus non-dipper hypertension. Methods: The study included 166 patients with hypertension. Eighty-three patients (40 male, mean age: 49.1 +/- 10.5 years) had dipper hypertension, while 83 patients (41 male, mean age: 52.3 +/- 12.7 years) had non-dipper hypertension. Results: Baseline demographic characteristics were similar in both groups. Patients with non-dipper hypertension had significantly higher NLR compared to dipper hypertension (2.3 +/- 0.9 versus 1.8 +/- 0.5, p < 0.001). Patients with non-dipper hypertension had significantly higher PLR compared to dipper hypertension (117.7 +/- 35.2 versus 100.9 +/- 30.5, p = 0.001). In univariate analysis, hyperlipidemia, smoking, presence of diabetes, PLR more than 107 and NLR more than 1.89 were among predictors of dipper and non-dipper status. In logistic regression analyses, only hyperlipidemia (odds ratio: 2.96, CI: 1.22-7.13) and PLR more than 107 (odds ratio: 2.62, Cl: 1.13-6.06) were independent predictors of dipper and non-dipper status. A PLR of 107 or higher predicted non-dipper status with a sensitivity of 66.3% and specificity of 68.7%. Conclusion: We demonstrated that patients with non-dipper hypertension had significantly higher NLR and PLR compared to dipper hypertension, which has not been reported previously. Moreover PLR more than 107 but not NLR was independent predictor of non-dipper status.
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    Effect of acute sleep deprivation on left atrial mechanics assessed by three-dimensional echocardiography
    (SPRINGER HEIDELBERG, 2016) ÇİNÇİN, AHMET ALTUĞ; Cincin, Altug; Sari, Ibrahim; Sunbul, Murat; Kepez, Alper; Oguz, Mustafa; Sert, Sena; Sahin, Anil; Ozben, Beste; Tigen, Kursat; Basaran, Yelda
    Although sleep deprivation (SD) affects cardiovascular system in many ways, physio-pathological changes in cardiac chamber volume and function have not been described well. The aim of the present study was to investigate the effect of SD on left atrial (LA) and ventricular function with three-dimensional (3D) echocardiography. Thirty-two healthy individuals (12 females, mean age 33.25 +/- 8.18) were evaluated. Echocardiographic examination was performed once after a night of regular sleep and a night of sleep debt. Beside conventional parameters, 3D phasic volumes and function were measured using a commercially available 3D echocardiography system and offline analysis software. Mean sleep duration of the study group was 8.15 +/- 2.19 h in the day of regular sleep and 2.56 +/- 2.25 h in the day of sleep deprivation. There was a significant prolongation in deceleration time (180.83 +/- 15.34 vs. 166.44 +/- 26.12; p = 0.044) and increase in E/e' (6.95 +/- 1.26 vs. 6.38 +/- 0.85; p = 0.005). Among 3D measurements, the difference in left ventricular ejection fraction (EF), LA EF, LA reservoir function and LA active EF were not significant. Mean LA passive EF of the individuals was significantly lower after night shift (24.10 +/- 7.66 vs. 31.49 +/- 7.75; p = 0.006). Acute SD is associated with a reduction in LA passive emptying function in healthy adults. 3D-derived indices were sufficient to show subclinical diastolic dysfunction according to impairment in passive phase of LA ejection. Prospective large-scale studies are needed to enlighten this issue.