• Journal of critical care · Oct 2015

    Randomized Controlled Trial Comparative Study

    Continuous infusion vs intermittent vancomycin in neurosurgical intensive care unit patients.

    • Lisa T Hong, Tiffany A Goolsby, Deborah S Sherman, Scott W Mueller, Paul Reynolds, Luis Cava, Robert Neumann, and Tyree H Kiser.
    • Department of Pharmacy, University of Colorado Hospital, Aurora, CO, USA.
    • J Crit Care. 2015 Oct 1; 30 (5): 1153.e1-6.

    PurposeTarget plasma level achievement has remained a challenge in neurosurgical intensive care unit patients receiving intravenous vancomycin. We evaluated continuous infusion (CI) and intermittent vancomycin dosing strategies in these patients.MethodsThis retrospective cohort compared CI vancomycin (target random levels, 20-30 mg/L) to intermittent vancomycin (target troughs, 15-20 mg/L) in regards to achievement of target plasma levels, nephrotoxicity, pharmacodynamic target attainment, and cost savings in 130 patients.ResultsContinuous infusion resulted in greater achievement of goal plasma concentrations at the first steady-state level (40 vs 21.5%, P = .02), more rapid achievement of goal plasma concentrations (2.04 vs 3.76 days, P < .0001), and increased time within therapeutic range (55% vs 34%, P < .0001) but no significant difference in nephrotoxicity (15.4% vs 21.5%, P = .5). Continuous infusion improved pharmacodynamic target attainment (92.3% vs 30.8%, P < .0001) and also reduced levels drawn (3.8 vs 5.7, P = .0007), dose adjustments (1.4 vs 2.4, P = .0006), days of therapy (10.4 vs 14.1, P = .01), and mean total daily dose requirements (33 vs 35.7 mg/kg, P < .0001) per patient.ConclusionsContinuous infusion appears beneficial for improving attainment of target plasma concentrations, pharmacodynamic goals, and financial burden, without increasing risk of acute kidney injury.Copyright © 2015 Elsevier Inc. All rights reserved.

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