PD Prescription Guide: Preliminary Assessment of Drain Volume

Preliminary Assessment of Drain Volume10

Initial membrane assessment and ultrafiltration response to dextrose: Use 2.5% dextrose, 2.0L fill volume and at 4 hours, assess drain volume to crudely estimate membrane transport type.

Transport classification Drain volume**
High 1,580 – 2,084 mL
High-Average 2,085 – 2,367 mL
Low-Average 2,369 – 2,650 mL
Low 2,641 – 3,326 mL

**Mean for all transport types is 2368 mL

Note: In diabetic patients with high serum glucose levels (>300 mg/dL), the results of the drain volume are not useful for patient categorization.

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