Is there any differences between Isolated UF in hemodialysis and SCUF and CVVH without subsittution in CRRT ?
Dear Ramin,
In brief,
SCUF is process of removing fluid but does not allow for significant solute clearance. It is typically used for volume overloaded patients with or without renal failure, such as congestive heart failure patients refractory to diuretics.
In CVVH the solutes are removed by convection; no dialysate is used. Typically ultrafiltration rates of 1 to 2 L/hour are used.
IN CVVH, you have much higher ultrafiltration rate, therefore you will have more convection and receive clearance of solute.
IN SCUF, you have only small amount of ultrafiltration, therefore, you do not have significant solute clearance, just only volume removal.
Another point is CVVH, you also correct electorlytes and acid-base by replacement fluid.
Best regards,
Wisit
Dear professor wisit
Is there any difference in Dialyzer in these two ( CVVH and SCUF )?
If there is , the pore size in SCUF are bigger ? they differ from KUF ?
the Ultrafiltration rate in both are the same then in witch disequilibrium SX is more likely ?
Best Regards
Ramin
cvvh or continuos veno venous hemofiltration usually implies high permeable membranes because with this technique you want to remove low and high weight molecules in instable pts that do not tolerate marked volume and osmotic variations . SCUF or simple continuos ultrafiltration could imply high or low permeable membranes , depending on ultrafiltration volumes that you want to remove and on time removal : fast removal high permeable membranes , slow removal low permeable membranes
"B.3.5.1 The continuous venovenous hemofiltration, hemodialysis or hemodiafiltration (CVVH, CVVHD, CVVHDF)
Continuous veno-venous blood purification methods are methods in which a treatment for more than 24 hours is scheduled without interruption. These include the continuous hemodialysis (CVVHD), continuous hemofiltration (CVVH) and the continuous hemodiafiltration (CVVHDF). These are generally carried out under conditions of an intensive care unit. Treatments in which from the outset a break is planned, or a term plans
Kindly provide link for self pace on line training on CRRT especially using prismaflex.
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