Dialysis

Dialysis: hemodialysis

Hemodialysis consists of ridding the blood of substances such as urea, creatinine, uric acid and potassium. but also the water has too much in the body. For this, the blood is passed through a dialyzer that contains the membranes through which will be exchanged between the patient's blood and the dialysis fluid (also called dialysate).

To repeatedly perform these hemodialysis treatments, a fistula is put in place (by a small surgery performed under local or general anesthesia) on the forearm or the patient's arm, to allow rapid "connection" to the patient. apparatus (dialyser) of the blood circulation. This fistula is just under the skin. It connects an artery to a vein and allows easy access to the bloodstream for each dialysis session. Other ways to quickly access the patient's blood exist, if this fistula can not be put in place.

This dialysis technique is the most widespread. It is usually done in a health center or in a hospital. Generally 3 sessions of 4 to 5 hours each are required.

For some patients, it is possible to offer a dialysis session per day, for a shorter duration each.

In some patients, it may be proposed a longer night dialysis for 6 to 8 hours (the patient performs this hemodialysis at home or in a self-dialysis center where the person comes to sleep). But this solution of daily dialysis is often difficult to implement, and too heavy for the patient.

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