Background/Aims: Because longer and/or more frequent dialysis has potential clinical benefits, home hemodialysis (HHD) systems should provide flexible renal replacement therapies. We propose a new cold dialysate regeneration system that requires 10 l per treatment for HHD. Methods: We designed a dialysate regeneration system using cold dialysate and 2 activated carbon columns alternatively switched between adsorption and desorption. Urea adsorption ratios were compared in three different conditions; cold dialysate (5.7°C), normal dialysate (36.8°C), and cold dialysate with washing. In vivo tests (n = 8) were conducted to validate this system. Results: The urea removal ratios were 20.0 ± 1.7% in cold dialysate, 36.0 ± 1.7% in normal dialysate, and 82.5 ± 1.2% in cold dialysate with washing. In animal experiments, the urea reduction ratio was 60.9 ± 6.3%, Kt/V was 1.0 ± 0.2, and serum electrolytes remained stable. Conclusion: The proposed cold dialysate regeneration system using a small volume of dialysate will be useful for HHD. Copyright © 2009 S. Karger AG.
CITATION STYLE
Kim, J. H., Kim, J. C., Moon, J. H., Park, J. Y., Lee, K. K., Kang, E., … Ronco, C. (2009). Development of a cold dialysate regeneration system for home hemodialysis. Blood Purification, 28(2), 84–92. https://doi.org/10.1159/000218088
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