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Understanding Dialysis

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Understanding Dialysis

Understanding Dialysis

Dialysis is a way of cleaning your blood when your kidneys can no longer do the job. It gets rid of your body's wastes, extra salt and water, and helps to control your blood pressure.

There are two kinds of dialysis. In hemodialysis, blood is pumped out of your body to an artificial kidney machine, and returned to your body by tubes that connect you to the machine. In peritoneal dialysis, the inside lining of your own belly acts as a natural filter. Wastes are taken out by means of a cleansing fluid called dialysate, which is washed in and out of your belly in cycles.

How does peritoneal dialysis work?

A soft plastic tube (catheter) is placed in your belly by surgery. A sterile cleansing fluid is put into your belly through this catheter. After the filtering process is finished, the fluid leaves your body through the catheter.

There are two kinds of peritoneal dialysis:

  • Continuous Ambulatory Peritoneal Dialysis (CAPD)

  • Automated Peritoneal Dialysis (APD)

The basic treatment is the same for each. However, the number of treatments and the way the treatments are done make each method different.

CAPD is "continuous," machine-free and done while you go about your normal activities such as work or school. You do the treatment by placing about two quarts of cleansing fluid into your belly and later draining it. This is done by hooking up a plastic bag of cleansing fluid to the tube in your belly. Raising the plastic bag to shoulder level causes gravity to pull the fluid into your belly. When empty, the plastic bag is removed and thrown away.

When an exchange (putting in and taking out the fluid) is finished, the fluid (which now has wastes removed from your blood) is drained from your belly and thrown away. This process usually is done three, four, or five times in a 24-hour period while you are awake during normal activities. Each exchange takes about 30 to 40 minutes. Some patients like to do their exchanges at mealtimes and at bedtime.

APD differs from CAPD in that a machine (cycler) delivers and then drains the cleansing fluid for you. The treatment usually is done at night while you sleep.

Dialysis is complicated, but the providers at the Complex and Internal Medicine Clinic can help guide you through dialysis management.. Have questions? Give us a call at 307-688-3535.

 

Article Source: National Kidney Foundation: Peritoneal Dialysis: What You Need To Know

  • Category: Campbell County Medical Group Complex and Internal Medicine