Figure 315

Characteristics of high-flux dialysis. Because of the high ultrafiltration coefficients of high-flux membranes, high-flux dialysis requires an automated ultrafiltration control system to avoid accidental profound intravascular volume depletion. Because high-flux membranes tend to have larger pores, clearance of middle molecular weight molecules is usually high. Urea clearance rates for high-flux dialyzers are still dependent on urea KoA values, which can be either high (ie, high-flux high-efficiency) or low (ie, high-flux low-efficiency) [3,4,10]. Ko—mass transfer coefficient; A—surface area.

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