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    Thioredoxin reductase activity, serum IL6, HsCRP and NT-proBNP levels in patients on dialysis
    (Turgut Özal Tıp Merkezi Dergisi, 2016) Demir, Meltem; Taşkapan, Mehmet Çagatay; Taşkapan, Hülya; Özyalın, Fatma; Doğan, Ali
    Abstract Aim: Cytokines have a direct stimulating effect on natriuretic peptide secretion. N-terminal probrain type natriuretic peptide (NT-proBNP) is a valuable biomarker for mortality in dialysis patients. The aim of this study was to compare thioredoxin reductase, NT-proBNP, IL6 levels and high sensitive C reactive protein (HsCRP) in peritoneal dialysis (PD), and hemodialysis (HD) patients and investigate relationship among these parameters. Material and Methods: In age and sex matched 30 HD patients, in 30 PD patients and 20 healthy controls, HsCRP, thioredoxin reductase, serum IL6, and NT-proBNP levels were measured. Results: HsCRP, IL6 and NT-proBNP levels in HD and PD patients were significantly higher than in controls (p<0.05). There was no difference according to HsCRP, IL6, and NT-proBNP between HD and PD patients (p>0.05). Thioredoxin reductase was not different in 3 groups (p>0.05). Thioredoxin reductase was not correlated with any studiedparameters. HsCRP levels were positively correlated with BMI (r:0.275, p:0.034), IL6 (r:0.633, p:0.000), and NT-proBNP (r:0.277, p:0.032), and negatively correlated with serum albumin levels (r:-0.425, p:0.001). Serum IL6 levels were positively correlated with HsCRP (r:0. 633 p:0.000), BMI (r:0.775, p:0.034) and negatively correlated with albumin (r:-0.342, p:0.007). Serum NT-proBNP levels were negatively correlated with serum albumin (r:-0.385, p:0.002), and positively correlated with age (r:0.315, p:0.002), HsCRP (r:0.277, p:0.032), systolic (r:0.421, p:0.001) and mean blood pressure (r:0.311, p:0.015). In multiple regression analyses the predictors of HsCRP were IL6 (β:0.677, p:0.000), the predictor of serum IL6 was HsCRP (β:0.677, p:0.000). The predictors of serum NT-proBNP levels were serum albumin (β:-0.416, p:0.000) and mean blood pressure (β:0.414, p:0.000). Conclusion: NT-proBNP levels are not related with IL6 levels and thioredoxin reductase in patients on dialysis. Keywords: IL6; Thioredoxin Reductase; NT-Probnp, Hscrp