Customized bicarbonate buffered dialysate and replacement solutions for continuous renal replacement therapies: Effect of crystallization on the measured levels of electrolytes and buffer

Customized bicarbonate buffered dialysate and replacement solutions for continuous renal replacement therapies: Effect of crystallization on the measured levels of electrolytes and buffer

Author Maccariello, E. Google Scholar
Rocha, E. Google Scholar
Dalboni, Maria Aparecida Autor UNIFESP Google Scholar
Ferreira, A. T. Google Scholar
Draibe, S. Google Scholar
Cendoroglo, M. Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Universidade Federal Fluminense (UFF)
Abstract The aim of this study was to investigate the impact of the addition of calcium to bicarbonate solutions for continuous renal replacement therapy (CRRT). We tested single bag (bicarbonate and calcium mixed 24 It before testing) and double bag solutions (mixed immediately before) with and without the addition of 4 mEq/L of acetate. Prescribed calcium varied from 0 to 5 mEq/L. All test solutions containing calcium showed crystallization at light microscopy. the double bag solutions decreased but did not prevent crystallization. the addition of acetate did not interfere with crystallization. Crystallization. as measured by the weight of the crystals after filtration of the solutions, showed a significant positive correlation with the calcium deficit (prescribed minus measured) and with partial pressure of carbon dioxide. the measured level of calcium was lower than expected and correlated with crystallization. Our results suggest that the use of bicarbonate solutions containing calcium as replacement fluids for CRRT is a potentially unsafe procedure.
Keywords dialysis
hemofiltration
bicarbonate
calcium
stability
precipitation
Language English
Date 2001-11-01
Published in Artificial Organs. Malden: Blackwell Publishing Inc, v. 25, n. 11, p. 870-875, 2001.
ISSN 0160-564X (Sherpa/Romeo, impact factor)
Publisher Blackwell Publishing Inc
Extent 870-875
Origin http://dx.doi.org/10.1046/j.1525-1594.2001.06895.x
Access rights Closed access
Type Article
Web of Science ID WOS:000172801600005
URI http://repositorio.unifesp.br/handle/11600/26662

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