The determinants of the PD prescription for adequate dialysis are residual renal clearance, target clearance, patient size (gender, height, weight, and, in men only, age), and some information about peritoneal transport characteristics, usually obtained from a PET (anticipated D/P, anticipated Vuf). With this information, PD schedules providing adequate clearances can be calculated for most large anuric patients. This is part of the information that should be provided to large patients before they decide on their dialysis modality. If the patient chooses PD, dialysis prescription may need to be modified over time and one must be attentive to the patient's needs to prevent burnout.

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