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Peritoneal Dialysis (PD) 

Peritoneal dialysis (PD) is a way to cleanse the blood to treat kidney failure. It uses the lining of your abdomen called the peritoneal membrane and a special solution (dialysate). The solution needs to be changed several times a day. This can be done as part of your home or work routine. Or it can be done at night by a machine. Dialysate is put inside your belly (abdomen) through a plastic tube (catheter). This catheter is surgically placed into your abdomen. It takes the catheter site 2 to 4 weeks to heal before you can use it. Your doctor may tell you to have this catheter put in place before your kidneys fail completely. 

PD is not for everyone. Certain conditions, such as morbid obesity or multiple abdominal surgeries, may mean PD can't be used. In addition, PD training must be successfully completed or a trained helper available. Your healthcare provider will explain the options appropriate to your situation.

How PD works

The abdomen is filled with dialysate through the catheter and allowed to remain (dwell) for 4 to 6 hours. The membrane and dialysate then work to clean the blood. The dialysate needs to be changed every few hours. This is called an exchange.

Outline of human figure from the side showing catheter inserted in abdomen. Bag of dialysate is attached to catheter. Dialysate is flowing from bag into abdomen. Waste, fluid, and chemicals flow through peritoneal membrane in abdomen into dialysate. About two to three liters of liquid are used in each exchange. After a few hours, dialysate is drained out of abdomen into empty bag. Fresh dialysate is ready to fill abdomen.

Your experience

  • You can do PD at home, work, or where ever is convenient.

  • A nurse or technician will teach you how to do PD exchanges and care for the PD tube.

  • You have an increased risk of infection in your abdomen (peritonitis). It's very important to carefully follow all instructions to prevent infection. 

  • You will need to weigh yourself every day to make sure you don't have too much fluid in your body.

  • You will need to follow a special diet. 

There are 2 ways to do exchanges:

  • Continuous ambulatory peritoneal dialysis (CAPD). With this, you do your own exchanges 3 to 5 times per day , each with a dwell time of about 4 to 6 hours (you can have a longer dwell time overnight). Each exchange takes about 30 to 40 minutes each.

  • Cyclic peritoneal dialysis (CCPD). This uses a machine called a cycler. The cycler does most of your exchanges at night while you sleep. You have a long dwell time during the day. You may also do manual daytime exchanges, which take 30 to 40 minutes each.

When to call your healthcare provider

 Call your healthcare provider right away if you have any of the following:

  • Fever of 100.4°F (38°C) or higher, or as directed by your healthcare provider

  • Chills

  • Dialysate that is cloudy or bloody when it drains from your body

  • Pain in your abdomen or around your catheter

  • Skin around your catheter is warm, red, or has drainage

  • Blocked flow into or out of your catheter

  • Part of your belly appears to be bulging out (hernia)

Online Medical Reviewer: Marianne Fraser MSN RN
Online Medical Reviewer: Raymond Kent Turley BSN MSN RN
Online Medical Reviewer: Walead Latif MD
Date Last Reviewed: 1/1/2020
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