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Chiriac U, Richter D, Frey OR, Röhr AC, Helbig S, Hagel S, Liebchen U, Weigand MA, Brinkmann A. Software- and TDM-Guided Dosing of Meropenem Promises High Rates of Target Attainment in Critically Ill Patients. Antibiotics (Basel) 2023; 12:1112. [PMID: 37508207 PMCID: PMC10376356 DOI: 10.3390/antibiotics12071112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/13/2023] [Accepted: 06/19/2023] [Indexed: 07/30/2023] Open
Abstract
Various studies have reported insufficient beta-lactam concentrations in critically ill patients. The optimal dosing strategy for beta-lactams in critically ill patients, particularly in septic patients, is an ongoing matter of discussion. This retrospective study aimed to evaluate the success of software-guided empiric meropenem dosing (CADDy, Calculator to Approximate Drug-Dosing in Dialysis) with subsequent routine meropenem measurements and expert clinical pharmacological interpretations. Adequate therapeutic drug exposure was defined as concentrations of 8-16 mg/L, whereas concentrations of 16-24 mg/L were defined as moderately high and concentrations >24 mg/L as potentially harmful. A total of 91 patients received meropenem as a continuous infusion (229 serum concentrations), of whom 60% achieved 8-16 mg/L, 23% achieved 16-24 mg/L, and 10% achieved unnecessarily high and potentially harmful meropenem concentrations >24 mg/L in the first 48 h using the dosing software. No patient showed concentrations <2 mg/L using the dosing software in the first 48 h. With a subsequent TDM-guided dose adjustment, therapeutic drug exposure was significantly (p ≤ 0.05) enhanced to 70%. No patient had meropenem concentrations >24 mg/L with TDM-guided dose adjustments. The combined use of dosing software and consecutive TDM promised a high rate of adequate therapeutic drug exposures of meropenem in patients with sepsis and septic shock.
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Affiliation(s)
- Ute Chiriac
- Department of Pharmacy, Heidelberg University Hospital, Im Neuenheimer Feld 670, 69120 Heidelberg, Germany
| | - Daniel Richter
- Department of Anesthesiology, Heidelberg University Hospital, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Otto R Frey
- Department of Clinical Pharmacy, Heidenheim Hospital, Schlosshaustraße 100, 89522 Heidenheim, Germany
| | - Anka C Röhr
- Department of Clinical Pharmacy, Heidenheim Hospital, Schlosshaustraße 100, 89522 Heidenheim, Germany
| | - Sophia Helbig
- Department of Clinical Pharmacy, Heidenheim Hospital, Schlosshaustraße 100, 89522 Heidenheim, Germany
| | - Stefan Hagel
- Institute for Infectious Diseases and Infection Control, Jena University Hospital-Friedrich Schiller University Jena, 07740 Jena, Germany
| | - Uwe Liebchen
- Department of Anaesthesiology, University Hospital LMU Munich, Marchioninistrasse 15, 81377 Munich, Germany
| | - Markus A Weigand
- Department of Anesthesiology, Heidelberg University Hospital, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Alexander Brinkmann
- Department of Anesthesiology, Heidenheim Hospital, Schlosshaustraße 100, 89522 Heidenheim, Germany
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