SERVICES OFFERED
Online Hemodiafiltration (OL-HDF)
Frequently Asked Questions (FAQ)
1. How does it work?
Short answer: Hemodialysis (diffusion) + Hemofiltration (convection) = Hemodiafiltration (combination)
Long answer: As in dialysis, in hemofiltration one achieves movement of solutes across a semi-permeable membrane. However, solute movement with hemofiltration is governed by convection rather than by diffusion. Hemofiltration is sometimes used in combination with hemodialysis, when it is termed hemodiafiltration. Blood is pumped through the blood compartment of a high flux dialyzer, and a high rate of ultrafiltration is used, so there is a high rate of movement of water and solutes from blood to dialysate that must be replaced by substitution fluid that is infused directly into the blood line. However, dialysis solution is also run through the dialysate compartment of the dialyzer. The combination is theoretically useful because it results in good removal of both large and small molecular weight solutes.
2. Is it better than Hemodialysis (HD)?
Answer: There is controversy about whether online hemodiafiltration (OL-HDF) gives better results than hemodialysis in an outpatient setting. In Europe, several observational studies have compared outcomes in patients getting dialysis with those getting OL-HDF and a recent study assesses the better outcome of patients treated with OL-HDF rather than standard HD.
3. What are benefits of Online Hemodiafiltration (OL-HDF)?
Answer: A lot! Click on the link below.
• Improved overall survival
• Better quality of life (QoL)
• Reduced intradialytic symptomatic hypotension (ISH)
• Improved skin pigmentation
• Better phosphate control
• Improves Erythropoiesis-stimulating agent (ESA) resistance
Online Hemodiafiltration (OL-HDF)
Frequently Asked Questions (FAQ)
1. How does it work?
Short answer: Hemodialysis (diffusion) + Hemofiltration (convection) = Hemodiafiltration (combination)
Long answer: As in dialysis, in hemofiltration one achieves movement of solutes across a semi-permeable membrane. However, solute movement with hemofiltration is governed by convection rather than by diffusion. Hemofiltration is sometimes used in combination with hemodialysis, when it is termed hemodiafiltration. Blood is pumped through the blood compartment of a high flux dialyzer, and a high rate of ultrafiltration is used, so there is a high rate of movement of water and solutes from blood to dialysate that must be replaced by substitution fluid that is infused directly into the blood line. However, dialysis solution is also run through the dialysate compartment of the dialyzer. The combination is theoretically useful because it results in good removal of both large and small molecular weight solutes.
2. Is it better than Hemodialysis (HD)?
Answer: There is controversy about whether online hemodiafiltration (OL-HDF) gives better results than hemodialysis in an outpatient setting. In Europe, several observational studies have compared outcomes in patients getting dialysis with those getting OL-HDF and a recent study assesses the better outcome of patients treated with OL-HDF rather than standard HD.
3. What are benefits of Online Hemodiafiltration (OL-HDF)?
Answer: A lot! Click on the link below.
• Improved overall survival
• Better quality of life (QoL)
• Reduced intradialytic symptomatic hypotension (ISH)
• Improved skin pigmentation
• Better phosphate control
• Improves Erythropoiesis-stimulating agent (ESA) resistance
Other services
Hemodialysis
Peritoneal Dialysis
Nephrology Specialty Clinic
Hemodialysis
Peritoneal Dialysis
Nephrology Specialty Clinic