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Int J Artif Organs ; 9 Suppl 3: 141-2, 1986 Dec.
Article in English | MEDLINE | ID: mdl-3557663

ABSTRACT

Acid base balance during biofiltration (BF): Six patients on standard acetate hemodialysis (HD) were switched to BF with 1 m2 AN69-S membrane, 12 hours weekly (BF-4h) and, later on, to a stage with 1.2 m2 AN69-S, 9 hours weekly (BF-3h). During BF, in order not to exceed 25 mEq/l in intradialytic arterial HCO3, arterial acid-base was examined hourly and a mean of 178 and 199 mEq of HCO3 respectively were infused in BF-4h and BF-3h. We obtained a better control of acidosis with a reduction of the intradialytic pCO2 decrease and hypoxemia. The amount of HCO3 infused was related to the patients deficit in HCO3 total pool and therefore it can be predicted, to avoid postdialytic alkalosis.


Subject(s)
Acid-Base Equilibrium , Blood , Ultrafiltration/methods , Acetates/administration & dosage , Acrylic Resins , Acrylonitrile/analogs & derivatives , Aged , Bicarbonates/administration & dosage , Blood Gas Analysis , Humans , Membranes, Artificial , Middle Aged , Renal Dialysis/adverse effects , Ultrafiltration/adverse effects , Ultrafiltration/instrumentation
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