The kidney function a dialysis patient retains after starting treatment — worth preserving, since it improves survival and quality of life.
Even after starting dialysis, most patients retain some native kidney function (residual diuresis and clearance). Preserving it matters: patients with good residual function have better survival, fluid balance, phosphate control, and quality of life. Strategies: avoid nephrotoxins and hypotension, use 'renal-friendly' dialysis prescriptions, and in PD specifically, avoid hypertonic exchanges where possible. Residual function declines over time but is monitored via urine output and clearance.
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.
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.
The process of removing excess fluid from a patient's blood during dialysis by applying pressure across the dialyzer membrane.
A calculated value estimating the rate at which kidneys filter blood, used to diagnose and stage chronic kidney disease.
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