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How do you receive peritoneal dialysis?

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A patient received peritoneal dialysis through a catheter inserted surgically into the peritoneal cavity, according to the National Kidney Foundation. There are two types of peritoneal dialysis: continuous ambulatory peritoneal dialysis and automated peritoneal dialysis, both of which are alternatives to hemodialysis. Peritoneal dialysis and hemodialysis are treatment options for kidney failure.

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In peritoneal dialysis, the blood vessels that line the abdomen act as a natural filter for the body’s wastes, extra salt and water, doing the job of the malfunctioning kidneys. A sterile solution known as dialysate is infused through a dialysis catheter into the abdomen and stays in the abdominal cavity for a certain length of time known as dwell time, according to Mayo Clinic. Dialysate contains sugar that draws extra fluid and waste products out of the blood and into the abdomen; once the dwell time is over, the dialysate containing all the waste products and extra fluid drains into a collection bag via gravity, completing one exchange.

Continuous ambulatory peritoneal dialysis consists of three or four short exchange cycles throughout the day and one longer exchange at night. The exchanges occur during normal daily activities. In automated peritoneal dialysis, also known as continuous cycling peritoneal dialysis, the dialysis catheter is connected to an automatic cycler that performs three to five exchanges every night. This type of dialysis schedule provides more flexibility during the day, notes Mayo Clinic.

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