期刊
JOURNAL OF CRITICAL CARE
卷 54, 期 -, 页码 48-51出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.jcrc.2019.07.007
关键词
Subtherapeutic antibiotic concentrations; Beta-lactam antibiotics; Piperacillin/tazobactam; Critically ill; Neurocritical care
资金
- Centre of Research Excellence grant from the National Health and Medical Research Council [APP1099452]
- Research Foundation Flanders (FWO) [1881015N]
Purpose: Increased renal elimination is the leading cause for subtherapeutic concentrations of renally cleared antibiotics and it has been hypothesized that brain damaged patients in the intensive care unit (ICU) are particularly at risk. The objective of this study is to determine the prevalence of subtherapeutic piperacillin concentrations in neurocritical patients and to investigate if having a neurocritical diagnosis is a risk factor for this. Materials and methods: Single center retrospective analysis of a prospective cohort study of adult ICU patients receiving continuous infusion piperacillin/tazobactam. Patients were categorized as either having a neurocritical diagnosis or not. An unbound piperacillin concentration > 4x the epidemiologic cut-off value (ECOFF) of Pseudomonas aeruginosa was selected as the PKPD target of choice. Multivariable logistic regression was performed to identify risk factors for subtherapeutic piperacillin concentrations. Results: 356 patients had a measured creatinine clearance (mCrCl) and matched piperacillin concentration, 52 of which had a neurocritical diagnosis. Subtherapeutic piperacillin concentrations were reported significantly more frequent in neurocritical patients. In multivariate analysis, the only risk factor identified for subtherapeutic piperacillin concentration was an increasing mCrCl. Conclusion: Subtherapeutic piperacillin concentrations are common in neurocritical patients yet having a neurocritical admission diagnosis was not identified as an independent risk factor. (C) 2019 Elsevier Inc. All rights reserved.
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