• Journal of critical care · Feb 2013

    Comparative Study Controlled Clinical Trial

    Bioenergetic gain of citrate anticoagulated continuous hemodiafiltration--a comparison between 2 citrate modalities and unfractionated heparin.

    • Katerina Rusinova, Martin Balik, Mykhaylo Zakharchenko, Pavel Leden, Michal Otahal, Jan Hruby, Ferdinand Polak, Zdenek Stach, Monika Tokarik, Jaroslava Vavrova, and Antonin Jabor.
    • Department of Anaesthesiology and Intensive Care, First Faculty of Medicine, Charles University and General University Hospital, U nemocnice 2, Prague 2, 120 00, Czech Republic. martin.balik@post.cz
    • J Crit Care. 2013 Feb 1;28(1):87-95.

    PurposeTo determine bioenergetic gain of 2 different citrate anticoagulated continuous hemodiafiltration (CVVHDF) modalities and a heparin modality.Materials And MethodsWe compared the bio-energetic gain of citrate, glucose and lactate between 29 patients receiving 2.2% acid-citrate-dextrose with calcium-containing lactate-buffered solutions (ACD/Ca(plus)/lactate), 34 on 4% trisodium citrate with calcium-free low-bicarbonate buffered fluids (TSC/Ca(min)/bicarbonate), and 18 on heparin with lactate buffering (Hep/lactate).ResultsWhile delivered CVVHDF dose was about 2000 mL/h, total bioenergetic gain was 262 kJ/h (IQR 230-284) with ACD/Ca(plus)/lactate, 20 kJ/h (8-25) with TSC/Ca(min)/bicarbonate (P < .01) and 60 kJ/h (52-76) with Hep/lactate. Median patient delivery of citrate was 31.2 mmol/h (25-34.7) in ACD/Ca(plus)/lactate versus 14.8 mmol/h (12.4-19.1) in TSC/Ca(min)/bicarbonate groups (P < .01). Median delivery of glucose was 36.8 mmol/h (29.9-43) in ACD/Ca(plus)/lactate, and of lactate 52.5 mmol/h (49.2-59.1) in ACD/Ca(plus)/lactate and 56.1 mmol/h (49.6-64.2) in Hep/lactate groups. The higher energy delivery with ACD/Ca(plus)/lactate was partially due to the higher blood flow used in this modality and the calcium-containing dialysate.ConclusionsThe bioenergetic gain of CVVHDF comes from glucose (in ACD), lactate and citrate. The amount substantially differs between modalities despite a similar CVVHDF dose and is unacceptably high when using ACD with calcium-containing lactate-buffered solutions and a higher blood flow. When calculating nutritional needs, we should account for the energy delivered by CVVHDF.Copyright © 2013 Elsevier Inc. All rights reserved.

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