In medicine,<unk> , also<unk> , is a renal replacement therapy similar to hemodialysis which is used almost exclusively in the intensive care setting.  Thus, it is almost always used for acute renal failure.
It is a slow continuous therapy in which sessions usually last between 12 to 24 hours and are usually performed daily.
During<unk> , a patient's blood is passed through a set of tubing (a filtration circuit) via a machine to a semipermeable membrane (the filter) where waste products and water are removed. Replacement fluid is added and the blood is returned to the patient.
Hemofiltration
Iridodialysis
Peritoneal dialysis
Dialysis
Hemodialysis
Liver dialysis
Artificial extracorporeal liver support
Peritoneovenous shunt