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Dialysis - Definition


Dialysis is a medical procedure to replace the kidneys that can no longer function, and is for very advanced renal failure. Dialysis enables the body to filter the blood and remove the waste normally excreted by the kidney before re-injecting it into circulation, and to control the liquid volume of the body. It can be performed several times a week in a hospital in cases of renal failure (when the creatinine clearance is less than 10 ml per minute). This is called hemodialysis. Peritoneal dialysis, another technique sometimes used, can be managed at home by the patient and includes the use of the peritoneum as a filter. Dialysis is a very complicated treatment which ends after the transplantation of a new functional kidney.