We confirmed that use of PSE reduced ADMA that had accumulated in HD patients. This finding indicates that PSE exerts anti-oxidant activity. A randomized controlled study will be required to determine whether PSE prevents cardiovascular diseases and other dialysis-related complications by reducing oxidative stress.
SummaryBackground and objectives There are still controversies whether peritoneal dialysis (PD) with icodextrin preserves residual renal and peritoneal membrane functions in patients with diabetes. However, there are no randomized controlled and long-term clinical trials in newly started PD patients with diabetic nephropathy.Design, setting, participants, & measurements Forty-one patients with diabetic nephropathy with ESRD were enrolled and randomly assigned to the glucose group (GLU) treated with 8 L of 1.5% or 2.5% glucose or an icodextrin group (ICO) treated with 1.5 or 2.0 L of 7.5% icodextrin-containing solutions. Technique failure, body fluid management, glucose and lipid metabolism, and residual renal and peritoneal functions and were evaluated over 2 years.
ResultsThe technique survival rate was 71.4% in ICO and 45.0% in GLU, with most of the technique failure due to volume overload. ICO showed significantly better cumulative technique survival. Net ultrafiltration volume was significantly higher in ICO throughout the study period. There were no beneficial effects of icodextrin on hemoglobin A1c, glycoalbumin, and lipid profile at 24 months. Urine volume and residual renal function declined faster in ICO, but there were no significant differences between the two groups. For peritoneal function, no differences were observed in dialysis-to-plasma creatinine ratios during the observation.
ConclusionsIn PD therapy for diabetic nephropathy, the use of icodextrin-containing solutions has a beneficial effect on technique survival, but there are no apparent benefits or disadvantages in residual renal and peritoneal functions compared with conventional PD with glucose solution.
We conclude that poor glycemic control (GA 29%) before starting haemodialysis is associated with increased cardiovascular morbidity and shortened survival in diabetic patients with ESRD.
the VEESA Study Group Summary Background and objectives A 1-year multicenter prospective randomized controlled study was conducted on the effects of vitamin E-bonded polysulfone dialyzers on erythropoiesis-stimulating agent response in hemodialysis patients.Design, setting, participants, & measurements Major inclusion criteria were use of high-flux polysulfone dialyzers with 50-70 ml/min b 2 -microglobulin clearance over 3 months, transferrin saturation over 20%, same erythropoiesisstimulating agent for over 3 months, and hemoglobin at 10-12 g/dl. Hemodialysis patients were placed in four interventional groups: two hemoglobin ranges (10.0-10.9 or 11.0-11.9 g/dl) and two dialyzers. Patients were randomly assigned by central registration to a vitamin E-bonded polysulfone dialyzers or polysulfone control group. Primary end point was relative erythropoiesis resistance index at baseline between groups at 12 months. Erythropoiesis resistance index was defined as total weekly erythropoiesis-stimulating agent dose divided by hemoglobin.Results There were no statistically significant differences in age or sex. There was no significant difference in relative erythropoiesis resistance index between vitamin E-bonded polysulfone dialyzers and control groups at 12 months (vitamin E-bonded polysulfone dialyzers: 1.1, control: 1.3). The vitamin E-bonded polysulfone dialyzers group showed better relative erythropoiesis resistance index than the control group at 11.0-11.9 g/dl hemoglobin (vitamin E-bonded polysulfone dialyzers: 1.0, control: 1.4 at 12 months, significant difference) but no difference at 10.0-10.9 g/dl hemoglobin.
ConclusionsThe overall relative erythropoiesis resistance index showed no difference between the vitamin Ebonded polysulfone dialyzers and control groups, although the change in relative erythropoiesis resistance index differed according to hemoglobin level.
SUMMARY
Although antineutrophil antibodies are thought to be involved in drug‐induced neutropenia, neither the precise mechanisms nor the particular antigens on the neutrophil surface have yet been clarified. Recently, we examined a patient with Graves’ disease who developed antineutrophil cytoplasmic antibodies (ANCA) after propylthiouracil treatment and exhibited neutropenia. Because several target antigens of ANCA are expressed on the surface of neutrophils, it was suggested that ANCA might contribute to neutropenia. The patient’s serum bound specifically to neutrophils and HL‐60 cells differentiated into granulocytes, and lysed the HL‐60 cells via a complement‐mediated mechanism. Furthermore, two representative ANCA antigens, proteinase 3 and myeloperoxidase, significantly inhibited both the binding and cytotoxicity of the serum. Finally, tumour necrosis factor‐α, which is known to up‐regulate cell surface expression of several ANCA antigens, enhanced both the binding and cytotoxicity of the serum. These findings suggest that ANCA induced by propylthiouracil contributed to leucopenia through a complement‐mediated mechanism.
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