Medical research

Wearable artificial kidney safety testing receives go-ahead

Medical researchers have received approval to begin safety and performance testing of the Wearable Artificial Kidney. The federal Food and Drug Administration and the University of Washington Institutional Review Board accepted ...

Diseases, Conditions, Syndromes

Kidney docs worry over no dialysis for undocumented immigrants

(HealthDay)—Undocumented immigrants in the United States are often denied treatment for kidney failure until they have a life-threatening emergency. Now a new study finds that the doctors and nurses who treat them are frustrated ...

Diseases, Conditions, Syndromes

Transplanted kidneys survive longer

The lifespan of a transplant kidney has significantly improved over the last 30 years. Between 1986 and 1995, 75 percent of the transplanted kidneys still functioned five years after the transplant. Between 2006 and 2015, ...

Diseases, Conditions, Syndromes

Dialysis patients at risk of progressive brain injury

Kidney dialysis can cause short-term 'cerebral stunning' and may be associated with progressive brain injury in those who receive the treatment for many years. For many patients with kidney failure awaiting a kidney transplant ...

Other

A breakthrough in hemodialysis technology

Universitätsmedizin Berlin have developed a biophysical treatment method that allows up to 50 percent more toxins to be removed from the blood of dialysis patients. Use of this technology may result in patients with kidney ...

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Dialysis

In medicine, dialysis (from Greek "dialusis", meaning dissolution, "dia", meaning through, and "lusis", meaning loosening) is primarily used to provide an artificial replacement for lost kidney function (renal replacement therapy) due to renal failure. Dialysis may be used for very sick patients who have suddenly but temporarily, lost their kidney function (acute renal failure) or for quite stable patients who have permanently lost their kidney function (stage 5 chronic kidney disease). When healthy, the kidneys maintain the body's internal equilibrium of water and minerals (sodium, potassium, chloride, calcium, phosphorus, magnesium, sulfate) and the kidneys remove from the blood the daily metabolic load of fixed hydrogen ions. The kidneys also function as a part of the endocrine system producing erythropoietin and 1,25-dihydroxycholecalciferol (calcitriol). Dialysis is an imperfect treatment to replace kidney function because it does not correct the endocrine functions of the kidney. Dialysis treatments replace some of these functions through diffusion (waste removal) and ultrafiltration (fluid removal).

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