Dialysis
Dialysis means cleaning of blood by artificial ways.
Methods:
There are two methods of dialysis.
- Peritoneal Dialysis
- Haemo Dialysis
In this type of dialysis, the dialysis fluid is pumped for a time into the peritoneal cavity which is the space around gut. This cavity is lined by peritoneum. Peritoneum contains blood vessels. When we place dialysis fluid in peritoneal cavity, waste materials from peritoneal blood vessels diffuse into the dialysis fluid, which is then drained out. This type of dialysis can be performed at home, but must be done every day.
Haemodialysis:
In haemodialysis, patient's blood is pumped through an apparatus called Dialyzer. The dialyzer contains long tubes, the walls of which act as semi-permeable membranes. Blood flows through the tubes while dialysis fluid flows around the tubes. Extra water and wastes moves from blood into the dialysis fluid. The cleansed blood is then returned back to body. The haemodialysis treatments are typically given in the dialysis center.
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