Fig. 1

The HF-CHDF system used in this case. On-line hemodiafiltration in a predilution mode was performed continuously. Dialyzer: ABH-22PA (Asahi Kasei Medical Co., Ltd., Tokyo, Japan). Material: polysulfone membrane. Dialysate: Carbostar®・L (Yoshindo Inc., Toyama, Japan). QS = substitute fluid flow rate, QB = blood flow rate, QD = dialysis flow rate, QF = filtration flow rate, QHDF = dialysis outflow rate