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Kidney Failure.

A comparison of dialysis and transplants.
by

Anna Onderkova

on 27 August 2012

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Transcript of Kidney Failure.

Kidney Failure Dialysis 2 Types Hemodialysis Peritoneal dialysis Hemodialysis filters your blood to rid your body of harmful wastes, extra salt and water with a machine. Peritoneal dialysis uses the lining of the abdomen, called the peritoneal membrane, to filter the blood. The clinical purification of blood, as a substitute for the normal function of the kidney Why is it dangerous? Urea and other waste products would build up in the blood and eventually cause death if not treated What is the function of the kidneys? Kidney Transplants What is Dialysis? What is a kidney transplant? An operation Replaces a damaged kidney with a healthy one Where does the healthy kidney come from? A Donor or Dead Alive What exactly happens during the transplant? A surgeon removes the kidney from the donor Places the healthy kidney in the lower abdomen Removes the damaged kidney from the recipient Connects the artery and vein of the new kidney to the recipient's artery and vein Kidney starts to make urine Transplant Dialysis VS. Permanent solution
Improves quality of life and reduces risk of dying from kidney disease.
Will not require hours of daily dialysis treatment.

Major surgical procedure
Long wait for the organ itself
Chance of rejection
Necessity to take anti-rejection medication for the rest of life.
Risks both during and after the surgery(e.g. infection, bleeding, damage to the surrounding organs, death). Blood flows into the machine Blood is seperated from a special fluid by a semi-permeable membrane water, glucose, salts, and other substances that should be in the blood As blood passes through tubes , substances in fluid diffuse through the membrane The amount of substances in the blood can be regulated by controling their concentration in the fluid Blood flows back into the body e.g. Urea diffuses out of the blood and into the dialysis fluid because there is no urea in it. High concentration Low concentration diffusion They regulate the body's water needs and balance the concentration of the blood , getting rid of waste products- especially urea. Concentration of substances in blood can be regulated
Quickly avalilable to patients who need it
Can be done for years on end
Requires only a small surgical procedure to create a vascular access point



Amazing procedure but not yet as amazing as the kidney itself.
Patient must spend a lot of time hooked up to the dialysis machine (between 3-10 hours daily or every two days) Dialysis centre Home Abdominal cavity is filled with dialysis fluid through a catheter. Fluid is held within the abdomen for a perscribed period of time The peritoneal lining acts as a membrane to allow excess fluids and waste products to diffuse from the bloodstream into the dialysate Used dialysate in the abdomen is then drained out and discarded
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