Hemodialysis

The hemodialysis is a method of purification of blood by the creation of a circuit of extracorporal Circulation and its passage in a Dialyseur. There exist several principles: hemodialysis, the Hémofiltration, the Hémodiafiltration.

In hemodialysis, one makes circulate blood in capillaries which bathe in a liquid called Dialysat, generated by a machine and which is chemically close to the composition of a healthy plasma, deprived of waste. The exchanges are done through the semipermeable membrane of the Dialyseur.

That allows 3 vital things for the patient reached of Impaired renal function: - to withdraw blood the waste produced by the food; - to balance the blood electrolytic assessment; - to eliminate the surplus of water. At a healthy subject, all this is normally carried out by the Rein S 24:00 /24. However, the insufficient renal ones do not have any more a functional kidney. The hemodialysis thus comes in replacement, on average at 3 meetings of 4:00 per week.

This treatment will continue with life or until the Greffe of a kidney.

Course of a meeting of hemodialysis

Insufficient renal the chronicles in final phase treated by hemodialysis do not urinate any more or very little. They thus accumulate the water which they introduced by the food (water, soup, coffee, yoghourt, etc…) and organic waste which is not filtered any more. It is this surplus of water and waste which one eliminates thanks to the hemodialysis. If it is not done, part of this water passes in blood circulation, increases the volemy, increases the pressure (arterial Hypertension) and this until the acute edema of the lung. Waste poisons blood.

One thus weighs the patient with his arrivée.on compares his weight of arrival and its ideal weight defined by the doctor after various examinations (radio operator of the thorax, a cardiac echography, a blood assessment) that is called the control of ultrafiltration.

Bonds

  • interactive Gate diabetes kidney health
  • Total Dialysis
  • : complete site on the impaired renal function
  • : site on the hemodialysis
  • Center of dialysis - hemodialysis Children of Tchernobyl

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