- Peritoneal dialysis
- Technique that uses the patients own body tissues inside of the belly (abdominal cavity) to act as a filter. The intestines lie in the abdominal cavity, the space between the abdominal wall and the spine. A plastic tube called a "dialysis catheter" is placed through the abdominal wall into the abdominal cavity. A special fluid is then flushed into the abdominal cavity and washes around the intestines. The intestinal walls act as a filter between this fluid and the blood stream. By using different types of solutions, waste
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* * *hemodialysis through the peritoneum; the dialyzing solution is introduced into and removed from the peritoneal cavity, and solutes leave the blood because of a concentration gradient across the peritoneum. It may be done as either continuous ambulatory, continuous cycling, or intermittent peritoneal dialysis.
Medical dictionary. 2011.