Comparison of middle-molecule clearance between convective control double high-flux hemodiafiltration and on-line hemodiafiltration.

Hemodiafiltration (HDF) is now a well-recognized treatment modality for end-stage renal disease (ESRD) patients. It provides superior characteristics over conventional hemodialysis in many respects. On-line HDF, however, which has been mainly used in clinical practice, requires a special machine.