Approximate initial dialysate volume and flow fraction

Weight (kg)	Dialysate volume per treatment (L)
Weight (kg)	5 treatments per week*	6 treatments per week^¶
<70	20 to 25	15 to 20
70 to 85	25 to 30	20 to 25
85 to 100	30 to 35	25 to 30
>100	35 to 40	30 to 35

Flow fraction is defined as a ratio of the dialysate flow rate to the blood flow rate.

* The dialysate volumes in the 5 treatments per week column have been calculated using a flow fraction of 45% and a Kt/V of 0.6.
¶ The dialysate volumes in the 6 treatments per week column have been calculated using a flow fraction of 45% and a Kt/V of 0.5.

Courtesy of Joel D Glickman, MD and Thomas A Golper, MD.

Graphic 116326 Version 2.0

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Approximate initial dialysate volume and flow fraction