Peritoneal dialysis
Peritoneal Dialysis[edit | edit source]
Overview[edit | edit source]
Peritoneal Dialysis (PD) is a form of dialysis that serves as an artificial method of detoxication, where a toxic substance from the body is transferred into a dialysis fluid that is instilled into the peritoneum. This technique utilizes the peritoneum in the abdominal cavity as a dialysing membrane, facilitating the removal of waste products or toxins that have accumulated due to renal failure. Peritoneal Dialysis is a critical treatment option for patients with severe chronic kidney disease or end-stage renal disease, offering an alternative to hemodialysis.
Principles of Peritoneal Dialysis[edit | edit source]
Peritoneal Dialysis operates on the principle of diffusion and osmosis across the peritoneal membrane. The peritoneum acts as a semi-permeable membrane, allowing the exchange of waste, chemicals, and fluids between the blood and the dialysis solution instilled in the abdominal cavity.
Types of Peritoneal Dialysis[edit | edit source]
- Continuous Ambulatory Peritoneal Dialysis (CAPD): The most common form of PD, which does not require a machine. Dialysis fluid is manually exchanged four to five times a day.
- Automated Peritoneal Dialysis (APD): Also known as Continuous Cycling Peritoneal Dialysis (CCPD), it uses a machine to perform multiple fluid exchanges at night while the patient sleeps.
Procedure[edit | edit source]
The PD procedure involves filling the abdominal cavity with a dialysis solution that attracts waste products and excess fluids through the peritoneal membrane. After a specified dwell time, the solution, now containing the filtered wastes, is drained and replaced with fresh solution.
Advantages[edit | edit source]
Peritoneal Dialysis offers several advantages over hemodialysis, including greater flexibility in scheduling, the ability to dialyze at home, and typically fewer dietary restrictions. It also allows for a more continuous process of waste removal, which can be gentler on the body.
Complications[edit | edit source]
Potential complications of Peritoneal Dialysis include infection (peritonitis), hernias, lower back problems, and issues related to the dialysis solution, such as glucose absorption leading to weight gain.
See Also[edit | edit source]
References[edit | edit source]
External Links[edit | edit source]
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