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    Association of platelet-to-lymphocyte ratio with silent brain infarcts in patients with paroxysmal atrial fibrillation
    (Taylor and Francis Ltd., 2016) Altintas O.; Tasal A.; Niftaliyev E.; Kucukdagli O.T.; Asil T.
    Objectives: In this study, we aimed to evaluate whether the inflammation as measured by increased platelet to lymphocyte ratio (PLR) predispose to silent infarcts in patients with paroxysmal atrial fibrillation (PAF). Methods: The present study investigated a total of 48 new diagnosed patients with PAF who had no signs of stroke. PLR, which was calculated as the ratio of the platelet count to the lymphocyte count, C-reactive protein and erythrocyte sedimentation rate were measured due to evaluate inflammatory state. Magnetic resonance imaging (MRI) was performed to evaluate the presence of silent brain infarcts (SBIs) in patients. We calculated CHA2DS2–VASc scores for stratifying the stroke risk of patients. Results: Among our study population, the mean age was 56.40 ± 8.99; 36 patients were female. The leading vascular risk factor was hypertension (45.8%). SBI was determined in 16 patients (33.3%) on MRI. It was found that a higher PLR is significantly associated with the presence of SBIs in patients with PAF (P = .001). High PLR group showed silent lesions predominantly multiple, greater than 5 mm, bilateral and in the subcortical region; though no statistically significant differences were found in each lesion areas (P = .214; P = .509; P = .746; P = .059, respectively). Of 16 patients who showed SBI, 1 (6.3%) patient had CHA2DS2–Vasc scores of 0; 7 (43.8%) patients had CHA2DS2–Vasc scores of 1; 6 (37.5%) patients had CHA2DS2 -Vasc scores of 2 and 2 (12.5%) patients had CHA2DS2–Vasc scores of 3. We did not find any significant relationship between CHA2DS2–Vasc scores and presence of SBI in the study patients (P = .850). Discussion: High PLR might be a factor to induce inflammatory process on SBIs even with low CHA2DS2–VASc scores. © 2016 Informa UK Limited, trading as Taylor & Francis Group.
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    The evaluation of vitamin D levels in patients with carpal tunnel syndrome
    (Springer-Verlag Italia s.r.l., 2016) Gürsoy A.E.; Bilgen H.R.; Dürüyen H.; Altıntaş Ö.; Kolukisa M.; Asil T.
    The aim of this study was to evaluate the relationship between 25-hydroxyvitamin D (25(OH)D) levels and carpal tunnel syndrome (CTS). 25(OH)D levels were checked in 108 consecutive patients with CTS symptoms and 52 healthy controls. All patients underwent nerve conduction studies and completed Boston Carpal Tunnel Questionnaire (BQ) symptom severity and functional status scales to quantify symptom severity, pain status and functional status. There were 57 patients with electrophysiological confirmed CTS (EP+ group) and 51 electrophysiological negative symptomatic patients (EP- group). 25(OH) D deficiency (25(OH)D < 20 ng/ml) was found in 96.1 % of EP- group, in 94.7 % of EP+ group and in 73.8 % of control group. 25(0H) D level was found significantly lower both in EP+ and EP- groups compared to control group (p = 0.006, p < 0.001, respectively). Although mean vitamin D level in EP- group was lower than EP+ group, statistically difference was not significant between EP+ and EP- groups (p = 0.182). BQ symptom severity and functional status scores and BQ pain sum score were not significantly different between EP+ and EP- groups. We found no correlation with 25(OH) D level for BQ symptom severity, functional status and pain sum scores. 25(OH) D deficiency is a common problem in patients with CTS symptoms. As evidenced by the present study, assessment of serum 25(OH)D is recommended in CTS patients even with electrophysiological negative results. © 2016, Springer-Verlag Italia.
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    The relationship of platelet-to-lymphocyte ratio with clinical outcome and final infarct core in acute ischemic stroke patients who have undergone endovascular therapy
    (Taylor and Francis Ltd., 2016) Altintas O.; Altintas M.O.; Tasal A.; Kucukdagli O.T.; Asil T.
    Objectives: Of all strokes, 85% are ischemic and intracranial artery occlusion accounts for 80% of these ischemic strokes. Endovascular therapy for acute ischemic stroke was a new modality aiming at resolution of clots in occluded cerebral arteries. The platelet-to-lymphocyte ratio (PLR) was introduced as a potential marker to determine increased inflammation, which is a result of releasing many mediators from the platelets. In this study we aimed to evaluate whether the PLR had a prognostic role in stroke patients undergoing thrombectomy and attempted to determine the effect that this ratio had on their survival. Methods: Over a three-year period, demographic, clinical, and angiographic findings of 57 consecutive patients with acute ischemic stroke who underwent mechanical thrombectomy were evaluated. Results: The patients were divided into two groups on the basis of a PLR level cut-off value of 145 based on receiver operating characteristic (ROC) curve. Successful revascularization (mTICI 2b and 3) was achieved in 42 of 57 (73.7%) patients; a mTICI 3 state was observed in 21 of 23 patients with low-PLR values (p = .015). Patients with higher PLR values had significantly a score of less than six on the ASPECT scale compared to patients with lower PLR values (p = .005). The patients with low-PLR values had better functional outcomes (mRS ? 2) compared with the patients with high-PLR values [respectively, p = .004 (at first month) and p = .014 (at third month)]. Discussion: The platelet-to-lymphocyte ratio could represent pro-thrombotic inflammatory state in acute ischemic stroke patients because having a high-PLR values increased the poor prognosis, the rate of insufficient recanalization, and the size of infarcted area. © 2016 Informa UK Limited, trading as Taylor & Francis Group.