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We compared the effects on the nutritional condition and health-related quality of life (HR-QoL) of the treatment of patients with on-line hemodiafiltration (OL-HDF) and conventional hemodialysis (CHD) using a superflux dialyzer. In total, 47 maintenance (M) HD patients were treated by CHD with a high-flux dialyzer for the first 4 months (1st CHD) and were then switched to predilution OL-HDF for the next 4 months (OL-HDF), after which CHD was resumed for the last 4 months (2nd CHD). We assessed the clinical parameters, fat mass value, muscle mass value, and HR-QoL. In patients with low serum albumin levels, these levels significantly (p < 0.05) increased in the OL-HDF period. Moreover, the fat mass values significantly (p < 0.05) increased in patients with decreased fat mass values in the OL-HDF period. Although there was no significant difference in the patients with higher scores of physical functioning, role physical, vitality, and social functioning, patients with lower scores in the 1st CHD period had significantly increased (p < 0.05) in the OL-HDF period. In this crossover study, we revealed that OL-HDF treatment significantly improved the nutritional conditions and HR-QoL scores compared with the improvement observed after CHD with a superflux dialyzer, especially for maintenance hemodialysis patients with malnutrition and a low QoL.

Our results suggest that coagulation-fibrinolysis imbalance is a significant risk factor for access failure and may predict VA failure in hemodialyzed patients after access intervention.

Background: Metronidazole-induced encephalopathy (MIE) is a rare disease caused by an adverse reaction to metronidazole (MNZ). Furthermore, the pharmacokinetics of MNZ during hemodialysis (HD) treatment have not been revealed. Case presentation: In a 70-year-old woman undergoing maintenance HD, MNZ was administered intermittently for the treatment of recurrent hepatic cyst infections. She complained of vomiting, dizziness, and dysarthria after 65 consecutive days of MNZ administration. In brain fluidattenuated inversion recovery (FLAIR) magnetic resonance imaging (MRI), we found a high signal intensity in the cerebellar dentate nuclei and splenium of the corpus callosum. We diagnosed the patient with MIE. MNZ administration was withdrawn immediately, and HD treatment was performed for 3 consecutive days. Accompanying the remarkable decrease in serum MNZ levels, MIE symptoms were attenuated after three consecutive days of HD. In a brain MRI at 9 days, the highintensity areas in the cerebellar dentate nuclei and splenium of the corpus callosum had disappeared. Conclusion: In this patient, we diagnosed MIE in the early stage using MRI, and 3 consecutive days of HD rapidly attenuated the symptoms associated with MIE, accompanied by a significant decrease in serum MNZ levels.

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