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- W3048753071 abstract "ABSTRACT Introduction Definitive clinical studies to determine the optimal dialysate lactate concentration to prescribe during frequent hemodialysis when using the NxStage System One dialysis delivery system at low dialysate flow rates have not been reported. Methods We used clinical data from patients who transferred from in‐center thrice‐weekly hemodialysis (ICHD) to daily home hemodialysis using the NxStage System One and the H + mobilization model to calculate acid generation rates in patient sub‐groups during the FREEDOM study. Assuming those acid generation rates were representative, we then predicted using the H + mobilization model the effect of using dialysate lactate concentrations of 40 and 45 mEq/L on predialysis serum total carbon dioxide (tCO 2 ) concentrations in patients who transfer from ICHD to short and nocturnal frequent hemodialysis prescriptions used in current clinical practice; the prescriptions evaluated varied by treatment frequency, dialysate volume per treatment, and treatment times. Findings With frequencies of four to six treatments per week and treatment times of 170 to 210 minutes per treatment, the effect of dialysate lactate concentration was primarily dependent on weekly dialysate volume. For weekly dialysate volumes of 150 to 160 L per week, use of dialysate lactate concentrations of 45 mEq/L, but not 40 mEq/L, resulted in an increase of predialysis serum tCO 2 concentration. When longer treatment times typical of nocturnal frequent hemodialysis were evaluated, model predictions showed that the use of dialysate lactate concentration of 45 mEq/L may not be appropriate for many patients because of excessive increases in predialysis serum tCO 2 concentration. Reducing dialysate volume from 60 to 30 L may limit the increase in predialysis serum tCO 2 concentration when patients transfer from ICHD to nocturnal frequent hemodialysis. Discussion Predictions from the H + mobilization model show that dialysate lactate concentration and weekly dialysate volume are the primary prescription parameters for optimizing predialysis serum tCO 2 concentration during short and nocturnal frequent hemodialysis." @default.
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- W3048753071 date "2020-08-11" @default.
- W3048753071 modified "2023-09-26" @default.
- W3048753071 title "Optimizing serum total carbon dioxide concentration during short and nocturnal frequent hemodialysis using lactate as dialysate buffer base" @default.
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- W3048753071 doi "https://doi.org/10.1111/hdi.12864" @default.
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