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A dialysis modality that uses the patient's peritoneal membrane as a natural filter, with dialysate fluid introduced into the abdominal cavity to remove waste and excess fluid.
Peritoneal dialysis (PD) is an alternative to hemodialysis that can be performed at home. A catheter is surgically placed in the abdomen, and dialysate solution is infused into the peritoneal cavity. Waste products and excess fluid pass from the blood vessels in the peritoneum into the dialysate through diffusion and osmosis. After a dwell period (typically 4-6 hours for CAPD, or automated cycles overnight for APD), the used dialysate is drained and replaced. PD offers greater lifestyle flexibility but requires patient training and strict hygiene to prevent peritonitis.
A medical procedure that filters waste products, excess fluids, and toxins from the blood using a dialysis machine when the kidneys can no longer perform this function adequately.
The specially formulated solution used in dialysis that draws waste products and excess electrolytes from the blood across the dialyzer membrane.
Inflammation of the peritoneal membrane caused by infection during peritoneal dialysis, the most common serious complication requiring prompt diagnosis and antibiotic treatment.
A peritoneal dialysis modality requiring 4-5 manual exchanges of dialysate daily, each involving a 20-30 minute drain and refill, performed by the patient at home.
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This content is a general reference, not medical advice, a diagnosis, or a treatment plan. Do not change your diet, fluids, medicines, or dialysis plan without your nephrologist or renal dietitian. Individual recommendations depend on your labs, medications, conditions, and care plan.