How is peritoneal dialysis performed?

Apr 24, 2023 Source: Cainiu Health

Dr. Zhao Xinju

Introduction

Peritoneal dialysis usually involves infusing fluid into the abdominal cavity and then draining it out completely. This procedure can treat kidney failure, and patients' physical conditions should be closely monitored during treatment. In addition, the patient's condition must be observed during peritoneal dialysis; if any discomfort occurs, the procedure should be stopped immediately and the patient should seek prompt medical treatment at a hospital.

Peritoneal dialysis typically involves infusing fluid into the abdominal cavity and then draining it out completely. This procedure can treat kidney failure, and patients' physical conditions should be closely monitored during treatment. The details are as follows:

Peritoneal dialysis is commonly used to treat end-stage renal disease. By introducing dialysis fluid into the abdominal cavity, excess fluid and waste products in the body can be removed, helping eliminate metabolic wastes and correct imbalances in acid-base levels. It serves as a form of renal replacement therapy.

Peritoneal dialysis is generally divided into two types: automated peritoneal dialysis (APD) and continuous ambulatory peritoneal dialysis (CAPD). Automated peritoneal dialysis uses a machine to perform fluid exchanges automatically, usually conducted at night, allowing patients to maintain normal daytime activities without disruption. Continuous ambulatory peritoneal dialysis is manually performed and requires timely exchange of dialysis solution. The choice between these methods depends on individual patient circumstances.

In addition, patients' conditions should be carefully observed during peritoneal dialysis. If any discomfort occurs, the procedure should be stopped immediately, and medical attention should be sought promptly at a hospital.

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What are the differences between peritoneal dialysis and hemodialysis?

The main differences between peritoneal dialysis and hemodialysis lie in the method of implementation, convenience, dialysate composition, treatment duration, and protection of residual kidney function. It is important to get plenty of rest and maintain a positive mindset during either peritoneal or hemodialysis. Avoid excessive tension or mental stress to prevent interference with the treatment.

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How is peritoneal dialysis catheter removal performed?

Peritoneal dialysis catheter removal generally refers to the procedure of removing the catheter after completion of peritoneal dialysis. The peritoneal dialysis catheter can be removed, but the procedure should be performed by a specialized physician in an operating room. The patient is placed in a supine position. The anesthesiologist administers local anesthesia near the catheter site, while the surgeon performs routine disinfection of the area around the catheter and drapes the field. After the anesthesia takes effect, the surgeon makes an incision at the catheter site using a scalpel.

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Principle of peritoneal dialysis

The principle of peritoneal dialysis treatment involves using the peritoneum as a semipermeable membrane and utilizing changes in osmotic pressure to facilitate the exchange of solutes and water. Additionally, when patients experience reduced outflow volume during peritoneal dialysis, they should pay attention to controlling their intake of fluids and salt, maintain a light diet, avoid high-fat and high-calorie foods, and consume more nutritious fruits and vegetables.

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How many years does peritoneal dialysis usually last before switching to hemodialysis?

There is no specific timeframe for switching from peritoneal dialysis to hemodialysis; the decision depends on clinical manifestations, laboratory tests, and other evaluations. Peritoneal dialysis involves using dialysis fluid in the abdominal cavity to remove toxins from the body, thereby reducing toxin levels in the blood. If renal replacement therapy is needed, patients should visit a正规 hospital for evaluation and receive treatment under medical guidance.