A pair of kidney performs filtration of blood, they contain micro filters which separates unwanted wastes and excess components from blood and store them in bladder in the form of urine. In short kidney is much like water filter at our home.
Dialysis is an artificial process of filtering blood and removing unwanted and waste products. It is required in cases where kidneys fail to perform their work which results in accumulation of excess water and chemicals which in turn may be lethal
In Patients with history of uncontrolled high blood pressure and diabetes, kidneys suffer damage, it can be made sure by performing lab tests. Additional symptoms include nausea vomiting cramps generalized weakness, pallor and loss of appetite. And convulsions. These indicate that damage to kidneys is 80 percent or more.
It is achieved by specialized tube called"cathetar" or via fistula the blood passes through it to dialysis machine and back to bod the machine contains filter which rid the blood of excess water and wastes the machine contains filter which rid the blood of excess water and wastes.
It is performed 2-3 times a week. A session of dialysis takes about 4 hours.
By the time dialysis is required patient is already weak, if dialysis is not performed in such state it may causes serious effects even death. Hence if performed with caution under qualified supervision it is safe.
There is no age restriction for this procedure.
As explained above dialysis is performed when 80% or more kidneys are damaged and waste products and excess fluids constantly build up in body if not removed they can worsen the symptoms and may cause death hence dialysis has to be performed repeatedly.
Yes, main goal of dialysis is to help the patient spend normal life