Impact of Extracorporeal Membrane Oxygenation (ECMO) on Serum Concentrations of Cefepime

ECMO is becoming widely used as a life-saving measure for critically ill patients. However, there is limited data on pharmacokinetics and the dosing of beta-lactam antibiotics in ECMO. In this study, we evaluated the serum concentrations of cefepime in patients on ECMO to determine the impact of ECM...

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Main Authors: Christopher J. Destache, Raul Isern, Dorothy Kenny, Rima El-Herte, Robert Plambeck, Catherine Palmer, Brent S. Inouye, Maura Wong, E. Jeffrey North, Mariaelena Roman Sotelo, Manasa Velagapudi
Format: Article
Language:English
Published: MDPI AG 2024-10-01
Series:Antibiotics
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Online Access:https://www.mdpi.com/2079-6382/13/11/1024
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author Christopher J. Destache
Raul Isern
Dorothy Kenny
Rima El-Herte
Robert Plambeck
Catherine Palmer
Brent S. Inouye
Maura Wong
E. Jeffrey North
Mariaelena Roman Sotelo
Manasa Velagapudi
author_facet Christopher J. Destache
Raul Isern
Dorothy Kenny
Rima El-Herte
Robert Plambeck
Catherine Palmer
Brent S. Inouye
Maura Wong
E. Jeffrey North
Mariaelena Roman Sotelo
Manasa Velagapudi
author_sort Christopher J. Destache
collection DOAJ
description ECMO is becoming widely used as a life-saving measure for critically ill patients. However, there is limited data on pharmacokinetics and the dosing of beta-lactam antibiotics in ECMO. In this study, we evaluated the serum concentrations of cefepime in patients on ECMO to determine the impact of ECMO circuitry and to guide therapeutic dosing. Methods: Patients 19 years or older admitted to the ICU, treated with ECMO and beta-lactam antibiotics for presumed or documented infection, were enrolled. Three blood samples (peak, midpoint, trough) were obtained before ECMO (pre-ECMO) and during ECMO (intra-ECMO) at a steady state. Results: Eight patients met inclusion criteria; six received cefepime. All patients were male. Average ± SD age was 45.8 ± 14.7. Four patients received ECMO for severe SARS-CoV-2 infection, and one each for Pneumocystis pneumonia and influenza A infection. Mean ± SD APACHE II and SOFA scores prior to ECMO were 24.6 ± 7.1 and 11.0 ± 3.9, respectively. All but one of the patients received venovenous (VV) ECMO. Cefepime 1 g every 6 h intravenously over 2 min was administered to all patients before and during ECMO. Cefepime concentrations were fit to non-compartment analysis (NCA) and area under the serum concentration–time curve averaged ± SE 211.9 ± 29.6 pre-ECMO and 329.6 ± 32.3 mg*h/L intra-ECMO, <i>p</i> = 0.023. No patients displayed signs of cefepime neurotoxicity. Patients received ECMO for 43.1± 30 days. All patients expired. Cefepime dosed at 1 g every 6 h intravenously appears to achieve therapeutic levels for critically ill patients on ECMO.
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spelling doaj-art-5e99debddfdc43549848af706f768c822025-08-20T02:26:58ZengMDPI AGAntibiotics2079-63822024-10-011311102410.3390/antibiotics13111024Impact of Extracorporeal Membrane Oxygenation (ECMO) on Serum Concentrations of CefepimeChristopher J. Destache0Raul Isern1Dorothy Kenny2Rima El-Herte3Robert Plambeck4Catherine Palmer5Brent S. Inouye6Maura Wong7E. Jeffrey North8Mariaelena Roman Sotelo9Manasa Velagapudi10School of Pharmacy & Health Professions, Creighton University, Omaha, NE 68178, USASchool of Medicine, Creighton University, Omaha, NE 68178, USASchool of Medicine, Creighton University, Omaha, NE 68178, USASchool of Medicine, Creighton University, Omaha, NE 68178, USASchool of Medicine, Creighton University, Omaha, NE 68178, USASchool of Pharmacy & Health Professions, Creighton University, Omaha, NE 68178, USASchool of Pharmacy & Health Professions, Creighton University, Omaha, NE 68178, USASchool of Pharmacy & Health Professions, Creighton University, Omaha, NE 68178, USASchool of Pharmacy & Health Professions, Creighton University, Omaha, NE 68178, USASchool of Pharmacy & Health Professions, Creighton University, Omaha, NE 68178, USASchool of Medicine, Creighton University, Omaha, NE 68178, USAECMO is becoming widely used as a life-saving measure for critically ill patients. However, there is limited data on pharmacokinetics and the dosing of beta-lactam antibiotics in ECMO. In this study, we evaluated the serum concentrations of cefepime in patients on ECMO to determine the impact of ECMO circuitry and to guide therapeutic dosing. Methods: Patients 19 years or older admitted to the ICU, treated with ECMO and beta-lactam antibiotics for presumed or documented infection, were enrolled. Three blood samples (peak, midpoint, trough) were obtained before ECMO (pre-ECMO) and during ECMO (intra-ECMO) at a steady state. Results: Eight patients met inclusion criteria; six received cefepime. All patients were male. Average ± SD age was 45.8 ± 14.7. Four patients received ECMO for severe SARS-CoV-2 infection, and one each for Pneumocystis pneumonia and influenza A infection. Mean ± SD APACHE II and SOFA scores prior to ECMO were 24.6 ± 7.1 and 11.0 ± 3.9, respectively. All but one of the patients received venovenous (VV) ECMO. Cefepime 1 g every 6 h intravenously over 2 min was administered to all patients before and during ECMO. Cefepime concentrations were fit to non-compartment analysis (NCA) and area under the serum concentration–time curve averaged ± SE 211.9 ± 29.6 pre-ECMO and 329.6 ± 32.3 mg*h/L intra-ECMO, <i>p</i> = 0.023. No patients displayed signs of cefepime neurotoxicity. Patients received ECMO for 43.1± 30 days. All patients expired. Cefepime dosed at 1 g every 6 h intravenously appears to achieve therapeutic levels for critically ill patients on ECMO.https://www.mdpi.com/2079-6382/13/11/1024cefepimeECMOpharmacokinetics
spellingShingle Christopher J. Destache
Raul Isern
Dorothy Kenny
Rima El-Herte
Robert Plambeck
Catherine Palmer
Brent S. Inouye
Maura Wong
E. Jeffrey North
Mariaelena Roman Sotelo
Manasa Velagapudi
Impact of Extracorporeal Membrane Oxygenation (ECMO) on Serum Concentrations of Cefepime
Antibiotics
cefepime
ECMO
pharmacokinetics
title Impact of Extracorporeal Membrane Oxygenation (ECMO) on Serum Concentrations of Cefepime
title_full Impact of Extracorporeal Membrane Oxygenation (ECMO) on Serum Concentrations of Cefepime
title_fullStr Impact of Extracorporeal Membrane Oxygenation (ECMO) on Serum Concentrations of Cefepime
title_full_unstemmed Impact of Extracorporeal Membrane Oxygenation (ECMO) on Serum Concentrations of Cefepime
title_short Impact of Extracorporeal Membrane Oxygenation (ECMO) on Serum Concentrations of Cefepime
title_sort impact of extracorporeal membrane oxygenation ecmo on serum concentrations of cefepime
topic cefepime
ECMO
pharmacokinetics
url https://www.mdpi.com/2079-6382/13/11/1024
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