Long-term use of vitamin E-coated polysulfone membrane reduces oxidative stress markers in haemodialysis patients

Autor: Jun Wada, Hisanori Morimoto, Kousuke Fukuoka, Takashi Kihara, Ai Sarai, Ai Yano, Kazushi Nakao, Hirofumi Makino, Shinji Fukuda
Rok vydání: 2005
Předmět:
Zdroj: Nephrology Dialysis Transplantation. 20:2775-2782
ISSN: 1460-2385
0931-0509
DOI: 10.1093/ndt/gfi121
Popis: Background. Asymmetric dimethylarginine (ADMA) is an endogenous inhibitor of nitric oxide synthase and an independent predictor of overall mortality and cardiovascular outcome in haemodialysis (HD) patients. In the present study, we compared the effects of a vitamin E-coated polysulfone membrane (PSE) and a non-vitamin E-coated polysulfone membrane (PS) on oxidative stress markers such as ADMA. Methods. Thirty-one HD patients were enrolled to this investigation. They were allocated into two groups: in the PSE group (n= 16), PSE was used for 6 months, followed by PS for an additional 12 months; in the PS group (n= 15), PS was used for the entire observation period. Plasma ADMA, oxidized low density lipoprotein (Ox-LDL) and malondialdehyde LDL (MDA-LDL) levels were measured at baseline, 3, 6, 12 and 18 months. Plasma ADMA in peritoneal dialysis (PD) patients and in healthy individuals was also measured. Results. Predialysis concentrations of ADMA (0.72± 0.13 nmol/ml) were significantly higher in the HD group than in both PD patients (0.63 ± 0.10 nmol/ml, P < 0.01) and healthy individuals (0.44 ± 0.01 nmol/ml, P < 0.0001). Treatment with PSE for 6 months significantly reduced predialysis levels of ADMA (0.54 ± 0.09 nmol/ml) compared with baseline (0.74 ± 0.12 nmol/ml; P
Databáze: OpenAIRE