How Does Kidney Dialysis Work?


5 Answers

Kath Senior Profile
Kath Senior answered
Kidney dialysis becomes necessary when someone's kidneys stop working, usually because of disease. This state is known as kidney failure and is fatal if left untreated.

In haemodialysis, blood is taken from the body to be cleaned in a filter called a dialyser, or artificial kidney. A dialyser has blood flowing along one side of a semi-permeable membrane made of cellulose or a similar product, with the dialysate flowing along the other side. The dialysate contains minerals normally present in the blood. Because the blood of someone with kidney failure contains some minerals at very high levels, these leave the blood and flow into the dialysate through the membrane by diffusion. Excess fluid and substances in the blood pass throughand are taken away in the dialysate until blood contains the correct balance of minerals once more.

As only a very small amount of blood is in the dialyser at any given time, blood needs to circulate from patient to dialyser to patient for about 4 hours. Treatment is usually 3 times per week.
Steven Vakula Profile
Steven Vakula answered
If it didn't work there would be a lot of dead people! The kidneys clean your system of highly poisonous toxins so if the dialysis was fake these people that do it would not be living. The dialysis takes the blood out of your body and scrubs it like the kidneys do, once the blood has reached the level of clean it is returned into the person and the session ends until the next week or so when they must return.
Anonymous Profile
Anonymous answered
It cleans the blood like a filter,as your kidneys do the same the the waste is your pee,7 to 14 yrs life on that system,try to get at lease one new kidney,from you closes relating as the match is more higher,good luck
Angelia Williams Profile
Dialysis, basically pulls out your blood and filters(clean) it and puts it back into your body. It does what your kidney doesn't do now. There are people at my dialysis clinic who have been on dialysis for about 20 yrs. Or more

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