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Turk Kardiyol Dern Ars. 2011 Sep;39(6):456-62. doi: 10.5543/tkda.2011.01289.

The impact of dialysis type on biomarkers for cardiovascular diseases.

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Department of Cardiology, Gazi University, Ankara, Turkey.



The impact of dialysis type on the biomarkers that reflect the severity of cardiovascular diseases is not clearly known. We aimed to investigate the effect of dialysis type on biomarkers of cardiovascular diseases in patients with end-stage renal disease (ESRD).


The study included 108 patients who had been on dialysis treatment (57 patients receiving hemodialysis, 51 patients receiving peritoneal dialysis) for ESRD for at least three months. Blood samples were collected just after the dialysis. Serum N-terminal prohormone of brain natriuretic peptide (NT-proBNP), high-sensitivity C-reactive protein (hs-CRP), cardiac troponin I (TnI), interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α), and plasma fibrinogen levels were measured and compared between the two dialysis groups.


The two dialysis groups were similar with respect to age and gender. The frequency of hypertension was significantly higher in patients receiving peritoneal dialysis. This group also had higher total cholesterol, HDL cholesterol, LDL cholesterol, and hemoglobin levels. Serum levels of NT-proBNP, hs-CRP, IL-6, and TNF-α, and plasma fibrinogen levels were similar in the two dialysis groups (p>0.05), but TnI was significantly higher in patients receiving peritoneal dialysis (p=0.04). Comparison of the patient subgroups based on the duration of dialysis (<12 months, 12-36 months, and >36 months) showed that longer dialysis duration was associated with significantly lower values of NT-proBNP, TNF-α, and hs-CRP (p<0.05).


The dialysis type does not affect serum NT-proBNP, hs-CRP, IL-6, TNF-α, and plasma fibrinogen levels, but TnI level is higher in patients treated with peritoneal dialysis.

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