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Standard filtration or dialysis membranes - even when used with high-volume

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© 2015 National Kidney Foundation. All rights reserved. This material does not constitute medical advice. It is for informational purposes only. Please consult a physician for specific treatment recommendations.The provides the giving public with an easily recognizable symbol which certifies that the National Kidney Foundation meets the comprehensive standards of America&aposs most experienced charity evaluator.

Devices designed for continuous renal replacement treatment are better suited for acute dialysis in children. When considering the choice of a device in a neonate, the extracorporeal volume and accurate flow controls are important. Given the small blood volume of small neonates, volumes larger than 10% estimated blood volume (80 mL/kg) require circuit priming with blood. With very low flow rates, the percentage of error of a few milliliters per minute can be disastrous and cause fluid overloading or shock.

Many factors affect how much waste and extra fluid are removed from the blood. Some factors—such as the size and the permeability, or speed of diffusion, of the peritoneum—cannot be controlled. Dialysis solution comes in 1.5-, 2-, 2.5-, or 3-liter bags for manual exchanges and 5- or 6-liter bags for automated exchanges. The dialysis dose can be increased by using a larger fill volume, but only within the limits of the person&aposs abdominal capacity. Everyone&aposs peritoneum filters wastes at a different rate.

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dialysis blood volume - small