William Rhine
Publication Details
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Where should the hemofiltration circuit be placed in relation to the extracorporeal membrane oxygenation circuit?
ASAIO J. 1992 Oct-Dec; (4): 801-3
Patients requiring extracorporeal membrane oxygenation (ECMO) frequently experience hypervolemia and metabolic abnormalities that can be effectively managed by hemofiltration. Although several options for hemofiltration circuit placement exist, some may have the disadvantage of recirculation or shunting of poorly oxygenated blood to the patient. Attachment of the entire hemofiltration circuit to the pre-ECMO pump region is described. Despite the absence of pump generated pressure and a low blood flow rate, effective hemofiltration and diafiltration were achieved. This article examines whether placement of the hemofiltration circuit proximal to the ECMO pump has advantages over other hemofiltration circuit placements.
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