Potassium level changes in chronic kidney disease patients following balanced crystalloid administration in the emergency department.

One common reason why clinicians are often hesitate to administer balanced crystalloids in the emergency department is the potential occurrence of unexpected hyperkalemia in patients with chronic kidney disease (CKD). In order to investigate the changes in potassium levels resulting from the administration of balanced crystalloids, specially Plasma Solution A (a generic version of Plasma-Lyte), to emergency department patients with CKD, we conducted an evaluation. A retrospective cohort study was conducted at a single academic hospital. Our study included patients with CKD who received intravenous Plasma Solution A and underwent electrolyte follow-up testing within 24 hours of administration. In total, there were 745 patients included in this study, of whom 87 had CKD. Through a 1:1 propensity score matching procedure for factors other than the estimated glomerular filtration rate, we matched 87 patients with normal kidney function to 87 CKD patients. For patients with CKD, the mean standard deviation SD administered volume of Plasma Solution A was 28.7 (21.0) mL/kg, and the mean SD administration duration was 13.2 (4.5) hours. The mean SD potassium level decreased from 4.3 (0.6) mmol/L to 4.1 (0.6) mmol/L (P = .029). Our study findings suggest that there may be no significant harmful increase in potassium levels or worsening of renal function within 24 hours after the intravenous administration of approximately 2 L of Plasma Solution A to patients with CKD.

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Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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The authors have no funding and conflicts of interest to disclose.