Do you really know about hemodialysis?

Blood purification is regarded as dialysis in the daily life. The meaning is that purifying the blood by draining them to the purification equipment, then removing the pathogenic substances to cure the disease.
The main therapies of the blood purification are including: hemodialysis, blood perfusion, plasma exchange, hemofiltration and immunoabsorption.
Hemodialysis realizes the goals of the electrolyte balance and waste excretion by utilizing the diffusion and counter current flow methods.
Blood perfusion purifies the blood by absorbing the waste from the metabolism when the blood flows through the absorbent external the body.
Plasma exchange separates the blood into plasma and other ingredients in the machine then fill the new plasma into the ingredients, since the wastes exist in the plasma.http://www.sos-kidney.com/News/155.html#.U9N_EqMzPqA
Hemofiltration is a method which purifies the blood when it flows through the filter. With the help of machine or the blood pressure, the fluid together with the solute can be filtered out and then the similar electrolyte or substitute will be supplied. The process imitates the filtration of the glomerulus, but the reabsorption of the kidney tubules can not be imitated. The supply of substitute can accomplish part function of the kidney tubules. According to the experience, hemofiltration is better than the hemodialysis in the treatment of refractory hypertension, incomplete cardiac function, and fluid elimination and so on. It is a very effective method which has been widely accepted to treat the kidney failure.http://www.sos-kidney.com/Contact_Us/5.html?1381738261
Immunoabsorption is a method which utilizes the absorbent, combined with highly peculiar antigen or antibody or materials with specific physical or chemical affinity, to directly remove the disease causing factors from the blood. The advantage of such method is that the higher selectivity of the disease causing factors enables the useful ingredients to be cleaned in a smaller range and the side effects from the substitute to be avoided.