Wos Açık Erişimli Yayınlar

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Author: search.filters.author.Arikan, SerapHas files: Yes

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    High sensitivity C-reactive protein and cerebral white matter hyperintensities on magnetic resonance imaging in migraine patients
    (2015) Avci, Aynur Yilmaz; Lakadamyali, Hatice; Arikan, Serap; Benli, Ulku Sibel; Kilinc, Munire; 25595197
    Migraine is a common headache disorder that may be associated with vascular disease and cerebral white matter hyperintensities (WMHs) on magnetic resonance imaging (MRI) scan. High sensitivity C-reactive protein (hs-CRP) is a marker of inflammation that may predict subclinical atherosclerosis. However, the relation between migraine, vascular risks, and WMHs is unknown. We evaluated hs-CRP levels and the relation between hs-CRP level and WMHs in adult migraine patients. This case-control study included 432 subjects (216 migraine patients [without aura, 143 patients; with aura, 73 patients]; 216 healthy control subjects without migraine; age range 18-50 y). Migraine diagnosis was determined according to the International Classification of Headache Disorders II diagnostic criteria. The migraine patients and control subjects had no known vascular risk factors, inflammatory disease, or comorbid disease. The presence and number of WMHs on MRI scans were determined, and serum hs-CRP levels were measured by latex-enhanced immunoturbidimetry. Mean hs-CRP level was significantly greater in migraine patients (1.94 +/- 2.03 mg/L) than control subjects (0.82 +/- 0.58 mg/L; P a parts per thousand currency signaEuro parts per thousand.0001). The mean number of WMHs per subject and the presence of WMHs was significantly greater in migraine patients (69 patients [31.9%]; 1.68 +/- 3.12 mg/dL) than control subjects (21 subjects [9.7%]; 0.3 +/- 1.3; P a parts per thousand currency signaEuro parts per thousand.001). However, there was no correlation between hs-CRP level and WMHs in migraine patients (r = 0.024; not significant). The presence of WMHs was increased 4.35-fold in migraine patients (odds ratio 4.35, P a parts per thousand currency signaEuro parts per thousand.001). High hs-CRP level may be a marker of the proinflammatory state in migraine patients. However, the absence of correlation between hs-CRP level and WMHs suggests that hs-CRP is not causally involved in the pathogenesis of WMHs in migraine patients. The WMHs were located mostly in the frontal lobe and subcortical area.
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    Pulmonary hypertension associates with malnutrition and body composition hemodialysis patients
    (2015) Genctoy, Gultekin; Arikan, Serap; Eldem, Olcay; 25410114
    Background/Aim: The prevalence of pulmonary hypertension (PH) is reported between 17 and 56% in hemodialysis (HD) patients. Pathogenesis of PH in HD patients is still unclear. Malnutrition associating impaired pulmonary function tests in HD patients previously reported. Present study aimed to investigate an association between PH and nutrition and inflammation HD patients. Patients/Methods: Total 179 HD patients (109 M, 70 F) were included. Pulmonary artery pressure (PAP) and ejection fraction (EF) percentage was determined by echocardiography after a midweek HD session. Bioimpedance analyses were performed after dialysis. Percent body fat mass truncal fat (%), total body water (%), body-mass index was determined. Serum 25-OH vitamin D, albumin, lipid parameters, C-reactive protein (CRP), calcium, phosphorus, parathyroid hormone, ferritin levels, and hemogram were studied. Results: Pulmonary hypertension (PAP >35 mmHg) was found in 48 (26.8%) of 179 patients studied. Body-mass index (BMI) was negatively correlated with PAP (r = -0.34; p = 0.02). HD vintage, prevalence of diabetes, sex, type of vascular access were not different between patients with PH and without PH. Patients with PH were older (68.1 +/- 14.4; 61.3 +/- 14.7; p = 0.005). Percent body fat (19.8 +/- 8.1% vs. 28.1 +/- 10%; p = 0.001), albumin (3.4 +/- 0.5 g/dl vs. 3.9 +/- 3.3 g/dl; p = 0.0001), truncal fat (16.8 +/- 10.7 vs. 26.4 +/- 10.5; p = 0.001), triglyceride (147.9 +/- 88.5 vs. 182.1 +/- 97.7 mg/dl; p = 0.03), and total cholesterol (146.9 +/- 34.5 vs. 169.5 +/- 43 mg/dl; p = 0.004) levels were significantly lower in patients with PH than with no PH. Logistic regression analysis revealed that increased percent body fat, albumin, and total cholesterol associate with a decreased risk of PH. Conclusion: Present study demonstrated a significant association between malnutrition and PH in HD patients. Those results should be confirmed by further prospective studies including cytokine levels and spirometric measurements.