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Title: Customized bicarbonate buffered dialysate and replacement solutions for continuous renal replacement therapies: Effect of crystallization on the measured levels of electrolytes and buffer
Authors: Maccariello, E.
Rocha, E.
Dalboni, Maria Aparecida [UNIFESP]
Ferreira, A. T.
Draibe, S.
Cendoroglo, M.
Universidade Federal de São Paulo (UNIFESP)
Universidade Federal Fluminense (UFF)
Keywords: dialysis
Issue Date: 1-Nov-2001
Publisher: Blackwell Publishing Inc
Citation: Artificial Organs. Malden: Blackwell Publishing Inc, v. 25, n. 11, p. 870-875, 2001.
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.
ISSN: 0160-564X
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Appears in Collections:Em verificação - Geral

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