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Roberts JA, Bellomo R, Cotta MO, Koch BCP, Lyster H, Ostermann M, Roger C, Shekar K, Watt K, Abdul-Aziz MH. Machines that help machines to help patients: optimising antimicrobial dosing in patients receiving extracorporeal membrane oxygenation and renal replacement therapy using dosing software. Intensive Care Med 2022; 48:1338-1351. [PMID: 35997793 PMCID: PMC9467945 DOI: 10.1007/s00134-022-06847-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 07/29/2022] [Indexed: 02/04/2023]
Abstract
Intensive care unit (ICU) patients with end-organ failure will require specialised machines or extracorporeal therapies to support the failing organs that would otherwise lead to death. ICU patients with severe acute kidney injury may require renal replacement therapy (RRT) to remove fluid and wastes from the body, and patients with severe cardiorespiratory failure will require extracorporeal membrane oxygenation (ECMO) to maintain adequate oxygen delivery whilst the underlying pathology is evaluated and managed. The presence of ECMO and RRT machines can further augment the existing pharmacokinetic (PK) alterations during critical illness. Significant changes in the apparent volume of distribution (Vd) and drug clearance (CL) for many important drugs have been reported during ECMO and RRT. Conventional antimicrobial dosing regimens rarely consider the impact of these changes and consequently, are unlikely to achieve effective antimicrobial exposures in critically ill patients receiving ECMO and/or RRT. Therefore, an in-depth understanding on potential PK changes during ECMO and/or RRT is required to inform antimicrobial dosing strategies in patients receiving ECMO and/or RRT. In this narrative review, we aim to discuss the potential impact of ECMO and RRT on the PK of antimicrobials and antimicrobial dosing requirements whilst receiving these extracorporeal therapies. The potential benefits of therapeutic drug monitoring (TDM) and dosing software to facilitate antimicrobial therapy for critically ill patients receiving ECMO and/or RRT are also reviewed and highlighted.
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Affiliation(s)
- Jason A. Roberts
- grid.1003.20000 0000 9320 7537Faculty of Medicine, University of Queensland Centre for Clinical Research (UQCCR), The University of Queensland, Brisbane, QLD 4029 Australia ,Herston Infectious Diseases (HeIDI), Metro North Health, Brisbane, QLD Australia ,grid.416100.20000 0001 0688 4634Department of Pharmacy and Intensive Care Medicine, Royal Brisbane and Women’s Hospital, Brisbane, QLD Australia ,grid.121334.60000 0001 2097 0141Division of Anaesthesiology Critical Care Emergency and Pain Medicine, Nîmes University Hospital, University of Montpellier, Nîmes, France
| | - Rinaldo Bellomo
- grid.1008.90000 0001 2179 088XDepartment of Critical Care, The University of Melbourne, Melbourne, Australia ,grid.1002.30000 0004 1936 7857Australian and New Zealand Intensive Care Research Centre, Monash University, Melbourne, Australia ,grid.414094.c0000 0001 0162 7225Department of Intensive Care, Austin Hospital, Melbourne, Australia ,grid.416153.40000 0004 0624 1200Department of Intensive Care, Royal Melbourne Hospital, Melbourne, Australia
| | - Menino O. Cotta
- grid.1003.20000 0000 9320 7537Faculty of Medicine, University of Queensland Centre for Clinical Research (UQCCR), The University of Queensland, Brisbane, QLD 4029 Australia
| | - Birgit C. P. Koch
- grid.5645.2000000040459992XDepartment of Hospital Pharmacy, Erasmus University Medical Centre Rotterdam, Rotterdam, the Netherlands
| | - Haifa Lyster
- Pharmacy Department, Royal Brompton and Harefield Hospitals, London, SW3 6NP UK ,Cardiothoracic Transplant Unit, Royal Brompton and Harefield Hospitals, London, SW3 6NP UK
| | - Marlies Ostermann
- grid.425213.3Department of Critical Care, King’s College London, Guy’s and St Thomas Hospital, London, SE1 7EH UK
| | - Claire Roger
- Department of Anaesthesiology and Intensive Care, Pain and Emergency Medicine, Nîmes-Caremeau University Hospital, Place du Professeur Robert Debré, 30 029 Nîmes cedex 9, France ,grid.121334.60000 0001 2097 0141UR UM 103 IMAGINE, Faculty of Medicine, University of Montpellier, Nîmes, France
| | - Kiran Shekar
- grid.415184.d0000 0004 0614 0266Adult Intensive Care Services and Critical Care Research Group, The Prince Charles Hospital, Brisbane, QLD Australia ,grid.1003.20000 0000 9320 7537Faculty of Medicine, The University of Queensland, Brisbane, QLD Australia ,grid.1024.70000000089150953Faculty of Health, Queensland University of Technology, Brisbane, QLD Australia ,grid.1033.10000 0004 0405 3820Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD Australia
| | - Kevin Watt
- grid.46078.3d0000 0000 8644 1405School of Pharmacy, University of Waterloo, 10 Victoria St S. Kitchener, Waterloo, ON N2G 1C5 Canada ,grid.223827.e0000 0001 2193 0096Department of Paediatrics, University of Utah School of Medicine, Salt Lake City, UT USA
| | - Mohd H. Abdul-Aziz
- grid.1003.20000 0000 9320 7537Faculty of Medicine, University of Queensland Centre for Clinical Research (UQCCR), The University of Queensland, Brisbane, QLD 4029 Australia
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Lan J, Wu Z, Wang X, Wang Y, Yao F, Zhao BX, Wang Y, Chen J, Chen C. Population pharmacokinetics analysis and dosing simulations of meropenem in critically ill patients with pulmonary infection. J Pharm Sci 2022; 111:1833-1842. [DOI: 10.1016/j.xphs.2022.01.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 01/12/2022] [Accepted: 01/13/2022] [Indexed: 01/02/2023]
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Zhang Y, Hu H, Zhang Q, Ou Q, Zhou H, Sha T, Zeng Z, Wu J, Lu J, Chen Z. Effects of ex vivo Extracorporeal Membrane Oxygenation Circuits on Sequestration of Antimicrobial Agents. Front Med (Lausanne) 2021; 8:748769. [PMID: 34926498 PMCID: PMC8671752 DOI: 10.3389/fmed.2021.748769] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 11/05/2021] [Indexed: 11/22/2022] Open
Abstract
Objectives: Our ex vivo study was designed to determine the sequestration of teicoplanin, tigecycline, micafungin, meropenem, polymyxin B, caspofungin, cefoperazone sulbactam, and voriconazole in extracorporeal membrane oxygenation (ECMO) circuits. Methods: Simulated closed-loop ECMO circuits were prepared using 2 types of blood-primed ECMO. After the circulation was stabilized, the study drugs were injected into the circuit. Blood samples were collected at 2, 5, 15, 30 min, 1, 3, 6, 12, and 24 h after injection. Drug concentrations were measured by high-performance liquid chromatography-tandem mass spectrometry. Control groups were stored at 4°C after 3, 6, 12, and 24 h immersing in a water bath at 37°C to observe spontaneous drug degradation. Results: Twenty-six samples were analyzed. The average drug recoveries from the ECMO circuits and control groups at 24 h relative to baseline were 67 and 89% for teicoplanin, 100 and 145% for tigecycline, 67 and 99% for micafungin, 45 and 75% for meropenem, 62 and 60% for polymyxin B, 83 and 85% for caspofungin, 79 and 98% for cefoperazone, 75 and 87% for sulbactam, and 60 and 101% for voriconazole, respectively. Simple linear regression showed no significant correlation between lipophilicity (r2 = 0.008, P = 0.225) or the protein binding rate (r2 = 0.168, P = 0.479) of drugs and the extent of drug loss in the ECMO circuits. Conclusions: In the two ECMO circuits, meropenem and voriconazole were significantly lost, cefoperazone was slightly lost, while tigecycline and caspofungin were not lost. Drugs with high lipophilicity were lost more in the Maquet circuit than in the Sorin circuit. This study needs more in vivo studies with larger samples for further confirmation, and it suggests that therapeutic drug concentration monitoring should be strongly considered during ECMO.
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Affiliation(s)
- Yuan Zhang
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Hongbin Hu
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qing Zhang
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qing Ou
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Huayou Zhou
- Department of Blood Transfusion, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Tong Sha
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhenhua Zeng
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jie Wu
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jingrui Lu
- Department of Mass Spectrometry, The Beijing Genomics Institute-Shenzhen, Shenzhen, China
| | - Zhongqing Chen
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Population pharmacokinetics of cefepime in critically ill patients receiving extracorporeal membrane oxygenation (an ASAP ECMO study). Int J Antimicrob Agents 2021; 58:106466. [PMID: 34688834 DOI: 10.1016/j.ijantimicag.2021.106466] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 10/13/2021] [Accepted: 10/17/2021] [Indexed: 12/26/2022]
Abstract
OBJECTIVES This study aimed to describe the population pharmacokinetics (PK) of cefepime during extracorporeal membrane oxygenation (ECMO) and through dosing simulations, identify a maximally effective and safe dosing strategy. METHODS Serial cefepime plasma concentrations were measured in patients on ECMO, and data were analysed using a population PK approach with Pmetrics®. Dosing simulations were used to identify the optimal dosing strategy that achieved target trough concentrations (Cmin) of 8-20 mg/L. Six patients were enrolled, of which one was receiving renal replacement therapy. Cefepime was best described in a two-compartment model, with total body weight and creatinine clearance (CrCL) as significant predictors of PK parameters. The mean clearance and central volume of distribution were 2.42 L/h and 15.09 L, respectively. RESULTS Based on simulations, patients with CrCL of 120 mL/min receiving 1 g 8-hourly dosing achieved a 40-44% probability of efficacy (Cmin > 8 mg/L) and 1-6% toxicity (Cmin > 20 mg/L). Patients with CrCL 30 mL/min and 65 mL/min receiving 1 g 12-hourly dosing achieved an 84-92% and 46-53% probability of efficacy and 8-44% and 1-8% probability of toxicity, respectively. Simulations demonstrated a lower probability of efficacy and higher probability of toxicity with decreasing patient weight. CONCLUSION This study reported reduced cefepime clearance in patients receiving ECMO, resulting in an increased risk of cefepime toxicity. To avoid drug accumulation, modified dosing regimens should be used in critically ill patients on ECMO. Clinicians should adopt therapeutic drug monitoring when treating less susceptible organisms and in patients with reduced renal clearance on ECMO.
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Population Pharmacokinetics of Piperacillin and Tazobactam in Critically Ill Patients Receiving Extracorporeal Membrane Oxygenation: an ASAP ECMO Study. Antimicrob Agents Chemother 2021; 65:e0143821. [PMID: 34460303 DOI: 10.1128/aac.01438-21] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Our study aimed to describe the population pharmacokinetics (PK) of piperacillin and tazobactam in patients on extracorporeal membrane oxygenation (ECMO), with and without renal replacement therapy (RRT). We also aimed to use dosing simulations to identify the optimal dosing strategy for these patient groups. Serial piperacillin and tazobactam plasma concentrations were measured with data analyzed using a population PK approach that included staged testing of patient and treatment covariates. Dosing simulations were conducted to identify the optimal dosing strategy that achieved piperacillin target exposures of 50% and 100% fraction of time free drug concentration is above MIC (%fT>MIC) and toxic exposures of greater than 360 mg/liter. The tazobactam target of percentage of time free concentrations of >2 mg/liter was also assessed. Twenty-seven patients were enrolled, of which 14 patients were receiving concurrent RRT. Piperacillin and tazobactam were both adequately described by two-compartment models, with body mass index, creatinine clearance, and RRT as significant predictors of PK. There were no substantial differences between observed PK parameters and published parameters from non-ECMO patients. Based on dosing simulations, a 4.5-g every 6 hours regimen administered over 4 hours achieves high probabilities of efficacy at a piperacillin MIC of 16 mg/liter while exposing patients to a <3% probability of toxic concentrations. In patients receiving ECMO and RRT, a frequency reduction to every 12 hours dosing lowers the probability of toxic concentrations, although this remains at 7 to 9%. In ECMO patients, piperacillin and tazobactam should be dosed in line with standard recommendations for the critically ill.
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Population pharmacokinetics of vancomycin in critically ill adult patients receiving extracorporeal membrane oxygenation (an ASAP ECMO study). Antimicrob Agents Chemother 2021; 66:e0137721. [PMID: 34633852 DOI: 10.1128/aac.01377-21] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Our study aimed to describe the population pharmacokinetics (PK) of vancomycin in critically ill patients receiving extracorporeal membrane oxygenation (ECMO), including those receiving concomitant renal replacement therapy (RRT). Dosing simulations were used to recommend maximally effective and safe dosing regimens. Serial vancomycin plasma concentrations were measured and analysed using a population PK approach on Pmetrics®. The final model was used to identify dosing regimens that achieved target exposures of area under the curve (AUC0-24) of 400 - 700 mg·h/L at steady state. Twenty-two patients were enrolled, of which 11 patients received concomitant RRT. In the non-RRT patients, the median creatinine clearance (CrCL) was 75 mL/min and the mean daily dose of vancomycin was 25.5 mg/kg. Vancomycin was well described in a two-compartment model with CrCL, the presence of RRT and total body weight found as significant predictors of clearance and central volume of distribution (Vc). The mean vancomycin renal clearance and Vc were 3.20 L/h and 29.7 L respectively, while the clearance for patients on RRT was 0.15 L/h. ECMO variables did not improve the final covariate model. We found that recommended dosing regimens for critically ill adult patients not on ECMO can be safely and effectively used in those on ECMO. Loading doses of at least 25 mg/kg followed by maintenance doses of 12.5 - 20 mg/kg 12-hourly are associated with a 97 - 98% probability of efficacy and 11 - 12% probability of toxicity, in patients with normal renal function. Therapeutic drug monitoring along with reductions in dosing are warranted for patients with renal impairment and those with concomitant RRT.
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Smith NJ, Nance BA, Durham LA, McAlarnen LA, Bishop EA, Zundel MT. Extracorporeal Membrane Oxygenator Failure in a Patient With Gestational Trophoblastic Neoplasm: Possible Mechanisms and Considerations in Critical Care. J Cardiothorac Vasc Anesth 2021; 36:2583-2587. [PMID: 34649807 DOI: 10.1053/j.jvca.2021.09.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/22/2021] [Accepted: 09/27/2021] [Indexed: 11/11/2022]
Affiliation(s)
- Nathan J Smith
- Department of Surgery, Division of Cardiothoracic Surgery, Medical College of Wisconsin, Milwaukee, WI.
| | - Beth A Nance
- Department of Anesthesiology, Division of Critical Care Anesthesia, Medical College of Wisconsin, Milwaukee, WI
| | - Lucian A Durham
- Department of Surgery, Division of Cardiothoracic Surgery, Medical College of Wisconsin, Milwaukee, WI
| | - Lindsey A McAlarnen
- Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - Erin A Bishop
- Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - M Tracy Zundel
- Department of Anesthesiology, Division of Critical Care Anesthesia, Medical College of Wisconsin, Milwaukee, WI
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Pharmacokinetics of Antibiotics in Pediatric Intensive Care: Fostering Variability to Attain Precision Medicine. Antibiotics (Basel) 2021; 10:antibiotics10101182. [PMID: 34680763 PMCID: PMC8532953 DOI: 10.3390/antibiotics10101182] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/22/2021] [Accepted: 09/24/2021] [Indexed: 12/16/2022] Open
Abstract
Children show important developmental and maturational changes, which may contribute greatly to pharmacokinetic (PK) variability observed in pediatric patients. These PK alterations are further enhanced by disease-related, non-maturational factors. Specific to the intensive care setting, such factors include critical illness, inflammatory status, augmented renal clearance (ARC), as well as therapeutic interventions (e.g., extracorporeal organ support systems or whole-body hypothermia [WBH]). This narrative review illustrates the relevance of both maturational and non-maturational changes in absorption, distribution, metabolism, and excretion (ADME) applied to antibiotics. It hereby provides a focused assessment of the available literature on the impact of critical illness—in general, and in specific subpopulations (ARC, extracorporeal organ support systems, WBH)—on PK and potential underexposure in children and neonates. Overall, literature discussing antibiotic PK alterations in pediatric intensive care is scarce. Most studies describe antibiotics commonly monitored in clinical practice such as vancomycin and aminoglycosides. Because of the large PK variability, therapeutic drug monitoring, further extended to other antibiotics, and integration of model-informed precision dosing in clinical practice are suggested to optimise antibiotic dose and exposure in each newborn, infant, or child during intensive care.
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De Bie FR, Russo FM, Van Brantegem P, Coons BE, Moon JK, Yang Z, Pang C, Senra JC, Omann C, Annaert P, Allegaert K, Davey MG, Flake AW, Deprest J. Pharmacokinetics and pharmacodynamics of sildenafil in fetal lambs on extracorporeal support. Biomed Pharmacother 2021; 143:112161. [PMID: 34537676 DOI: 10.1016/j.biopha.2021.112161] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/24/2021] [Accepted: 09/03/2021] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Maternal transplacental administration of sildenafil is being considered for a variety of fetal conditions. Clinical translation also requires evaluation of fetal safety in a higher species, such as the fetal lamb. Experiments with the pregnant ewe are curtailed by minimal transplacental transfer as well as limited access to the fetus. The EXTra-uterine Environment for Neonatal Development (EXTEND) model renders the isolated fetal lamb readily accessible and allows for direct fetal administration of sildenafil. METHODS Five fetal lambs were placed on extracorporeal support in the EXTEND device and received continuous intravenous (IV) sildenafil (0.3-0.5-0.7 mg/kg/24hr) for a duration of one to seven days. Plasma sildenafil concentrations were sampled at regular intervals to establish the pharmacokinetic profile using population pharmacokinetic modeling. Serial Doppler ultrasound examination, continuous non-invasive hemodynamic monitoring and blood gas analysis were done to evaluate the pharmacodynamic effects and fetal response. FINDINGS The target concentration range (47-500 ng/mL) was attained with all doses. Sildenafil induced an immediate and temporary reduction of pulmonary vascular resistance, mean arterial pressure and circuit flow, without change in fetal lactate levels and acid-base status. The duration of the systemic effects increased with the dose. INTERPRETATION Immediate temporary pulmonary vascular and systemic hemodynamic changes induced by sildenafil were biochemically well tolerated by fetal lambs on extracorporeal support, with the 0.5 mg/kg/24 h dose balancing rapid attainment of target concentrations with short-lived systemic effects. RESEARCH IN CONTEXT None. SEARCH STRATEGY BEFORE UNDERTAKING THE STUDY A literature review was conducted searching online databases (Medline, Embase and Cochrane), using search terms: fetal OR prenatal OR antenatal AND sildenafil, without time-limit and excluding human studies. Where relevant, investigators were contacted in order to avoid duplication of work. EVIDENCE BEFORE THIS STUDY Prenatal therapy with sildenafil, a phosphodiesterase-5 inhibitor with vasodilatory and anti-remodeling effects on vascular smooth muscle cells, has been considered for a variety of fetal conditions. One multicenter clinical trial investigating the benefit of sildenafil in severe intrauterine growth restriction (the STRIDER-trial) was halted early due to excess mortality in the sildenafil-exposed arm at one treatment site. Such findings demonstrate the importance of extensive preclinical safety assessment in relevant animal models. Transplacentally administered sildenafil leads to decreased pulmonary arterial muscularization, preventing or reducing the occurrence of pulmonary hypertension in rat and rabbit fetuses with diaphragmatic hernia (DH). Validation of these results in a higher and relevant animal model, e.g. fetal lambs, is the next step to advance clinical translation. We recently demonstrated that, in contrast to humans, transplacental transfer of sildenafil in sheep is minimal, precluding the in vivo study of fetal effects at target concentrations using the conventional pregnant ewe model. ADDED VALUE OF THIS STUDY We therefore used the extracorporeal support model for fetal lambs, referred to as the EXTra-uterine Environment for Neonatal Development (EXTEND) system, bypassing placental and maternal metabolism, to investigate at what dose the target concentrations are reached, and what the fetal hemodynamic impact and response are. Fetal hemodynamic and metabolic tolerance to sildenafil are a crucial missing element on the road to clinical translation. This is therefore the first study investigating the pharmacokinetics, hemodynamic and biochemical effects of clinical-range concentrations of sildenafil in fetal lambs, free from placental and maternal interference. IMPLICATIONS OF ALL THE AVAILABLE EVIDENCE We demonstrated self-limiting pulmonary vasodilation, a decrease of both systemic arterial pressures and circuit flows, induced by clinical range concentrations of sildenafil, without the development of fetal acidosis. This paves the way for further investigation of prenatal sildenafil in fetal lambs on extracorporeal support. A dose of 0.5 mg/kg/24 h offered the best trade-off between rapid achievement of target concentrations and shortest duration of systemic effects. This is also the first study using the EXTEND as a model for pharmacotherapy during pregnancy.
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Affiliation(s)
- Felix R De Bie
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, United States; MyFetUZ, Department of Development and Regeneration, KU Leuven, Leuven, Belgium.
| | - Francesca M Russo
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, United States
| | | | - Barbara E Coons
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, United States
| | - James K Moon
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, United States
| | - Zexuan Yang
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, United States
| | - Chengcheng Pang
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, United States
| | - Janaina C Senra
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, United States
| | - Camilla Omann
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, United States
| | - Pieter Annaert
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Belgium
| | - Karel Allegaert
- MyFetUZ, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Belgium; Department of Hospital Pharmacy, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Marcus G Davey
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, United States
| | - Alan W Flake
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, United States
| | - Jan Deprest
- MyFetUZ, Department of Development and Regeneration, KU Leuven, Leuven, Belgium
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Excessive unbound cefazolin concentrations in critically ill patients receiving veno-arterial extracorporeal membrane oxygenation (vaECMO): an observational study. Sci Rep 2021; 11:16981. [PMID: 34417526 PMCID: PMC8379255 DOI: 10.1038/s41598-021-96654-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 08/11/2021] [Indexed: 12/28/2022] Open
Abstract
The scope of extracorporeal membrane oxygenation (ECMO) is expanding, nevertheless, pharmacokinetics in patients receiving cardiorespiratory support are fairly unknown leading to unpredictable drug concentrations. Currently, there are no clear guidelines for antibiotic dosing during ECMO. This study aims to evaluate the pharmacokinetics (PK) of cefazolin in patients undergoing ECMO treatment. Total and unbound plasma cefazolin concentration of critically ill patients on veno-arterial ECMO were determined. Observed PK was compared to dose recommendations calculated by an online available, free dosing software. Concentration of cefazolin varied broadly despite same dosage in all patients. The mean total and unbound plasma concentration were high showing significantly (p = 5.8913 E−09) greater unbound fraction compared to a standard patient. Cefazolin clearance was significantly (p = 0.009) higher in patients with preserved renal function compared with CRRT. Based upon the calculated clearance, the use of dosing software would have led to lower but still sufficient concentrations of cefazolin in general. Our study shows that a “one size fits all” dosing regimen leads to excessive unbound cefazolin concentration in these patients. They exhibit high PK variability and decreased cefazolin clearance on ECMO appears to compensate for ECMO- and critical illness-related increases in volume of distribution.
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Baud FJ, Seif V, Houzé P, Raphalen JH, Pilmis B, Carli P, Lamhaut L. Elimination of three doses of gentamicin over three consecutive days using a polyacrylonitrile-derived filter: An in vitro assessment. Int J Artif Organs 2021; 44:641-650. [PMID: 34348515 DOI: 10.1177/03913988211032236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
INTRODUCTION Adsorption of gentamicin in a polyacrylonitrile filter was previously evidenced in a session lasting 6 h using the NeckEpur model. We extended the study over three consecutive days to mimic the 72-h life span of a filter. METHODS Prismaflex® monitor and ST150® filter were used in the continuous diafiltration (CDF) mode at a 2.5 L/h flowrate. The daily session started with a 6-h session of CDF. Thereafter, the 5-L central compartment was changed using a bag free of gentamicin to assess gentamicin release over the following 18 h. Experiments were repeated on Day 2 and stopped at the end of the 6-h session of CDF on Day 3. The experiment was performed in duplicate. RESULTS At a 2.5 L/h diafiltration flowrate, the mean daily clearances of gentamicin were 5.5, 4.0, and 3.3 L/h, respectively. The mean diafiltration and adsorption ratios in the daily elimination of gentamicin were 32/68%, 58/42%, and 88/12%, respectively. During days 1 and 2, the mean amount of gentamicin released from the ST150® filter were 14 and 34 mg, respectively. CONCLUSION The pharmacokinetics of gentamicin over 3 days is strongly altered by adsorption in the same filter with a progressive decrease of elimination by adsorption, suggesting saturation of the filter. One limitation of our study results from the mode of administration using a bolus dose instead of an infusion over 30 min. Adsorption adds a clearance to those of diafiltration. The time-dependency of gentamicin clearance precludes using a constant dosage regimen over the filter's life span.
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Affiliation(s)
- Frédéric J Baud
- Adult Intensive Care Unit, Department of Anesthesiology - SAMU de Paris, Assistance Publique - Hôpitaux de Paris, University Hospital Necker, Paris, France.,EA7323 Evaluation of Therapeutics and Pharmacology in Perinatality and Pediatrics - Hôpitaux Universitaires Cochin - Broca - Hôtel Dieu, Site Tarnier, Université Paris Descartes, Paris, France.,Université de Paris - Paris Diderot, Paris, France
| | - Vanessa Seif
- Assistance Publique - Hôpitaux de Paris, Hôpital Necker, Paris, France
| | - Pascal Houzé
- CNRS UMR 8258 - U1022, Faculty of Pharmacy, Unité de Technologies Chimiques et Biologiques pour la Santé, Paris, France
| | - Jean-Herlé Raphalen
- Adult Intensive Care Unit, Department of Anesthesiology - SAMU de Paris, Assistance Publique - Hôpitaux de Paris, University Hospital Necker, Paris, France
| | - Benoît Pilmis
- Molecular Mycology Unit, CNRS UMR 2000, Pasteur Institute, Paris, France
| | - Pierre Carli
- Adult Intensive Care Unit, Department of Anesthesiology - SAMU de Paris, Assistance Publique - Hôpitaux de Paris, University Hospital Necker, Paris, France.,Université de Paris - Paris Descartes, Paris, France
| | - Lionel Lamhaut
- Adult Intensive Care Unit, Department of Anesthesiology - SAMU de Paris, Assistance Publique - Hôpitaux de Paris, University Hospital Necker, Paris, France.,Université de Paris - Paris Descartes, Paris, France
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Sequestration of Dexmedetomidine in Ex Vivo Cardiopulmonary Bypass Circuits. ASAIO J 2021; 68:592-598. [PMID: 34352815 DOI: 10.1097/mat.0000000000001536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Dexmedetomidine (DEX) is a sedative used in combination with other drugs in neonates and infants undergoing cardiac surgery using cardiopulmonary bypass (CPB). This study aimed to evaluate the disposition of DEX after administration to the ex vivo CPB circuits following different bolus doses and continuous infusion of DEX, including the effect of circuit coating, temperature, and modified ultrafiltration (MUF). Cardiopulmonary bypass circuits were setup ex vivo and primed with reconstituted blood. Dexmedetomidine was administered to the circuit (as a single bolus or single bolus along with continuous infusion). The circuit was allowed to equilibrate during the first 5 minutes, blood samples were collected at multiple time points (5-240 minutes). Blood samples were processed to collect plasma and analyzed for DEX with a validated assay. The majority of DEX sequestration in ex vivo CPB circuits occurred within the first 15 minutes. The percent of DEX remained in plasma pre-MUF (16-71%) and post-MUF (22-92%) varied depending on the dose and dosing scheme. Modified ultrafiltration significantly increased the plasma concentration of DEX in 19 of 23 circuits by an average of 12.1 ± 4.25% (p < 0.05). The percent sequestration of DEX was lower in CPB circuits at lower DEX doses compared to higher doses. A combination of DEX initial loading dose and continuous infusion resulted in steady concentrations of DEX over 4 hours. At therapeutically relevant concentrations of DEX (485-1,013 pg/ml), lower sequestration was observed in ex vivo CPB circuits compared to higher doses. The sequestration of DEX to circuits should be considered to achieve the optimal concentration of DEX during CPB surgery.
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63
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Cheng V, Abdul-Aziz MH, Roberts JA. Applying Antimicrobial Pharmacokinetic Principles for Complex Patients: Critically Ill Adult Patients Receiving Extracorporeal Membrane Oxygenation and Renal Replacement Therapy. Curr Infect Dis Rep 2021. [DOI: 10.1007/s11908-021-00757-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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64
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Van Daele R, Brüggemann RJ, Dreesen E, Depuydt P, Rijnders B, Cotton F, Fage D, Gijsen M, Van Zwam K, Debaveye Y, Wauters J, Spriet I. Pharmacokinetics and target attainment of intravenous posaconazole in critically ill patients during extracorporeal membrane oxygenation. J Antimicrob Chemother 2021; 76:1234-1241. [PMID: 33517360 DOI: 10.1093/jac/dkab012] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 01/04/2021] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Posaconazole is an antifungal drug used for prophylaxis and treatment of invasive fungal infections. Severe influenza has been identified as a risk factor for invasive pulmonary aspergillosis in critically ill patients. In this population, extracorporeal membrane oxygenation (ECMO) is used as rescue therapy, although little is known about the pharmacokinetics (PK) of posaconazole during ECMO. OBJECTIVES To determine the PK and target attainment of six patients treated with IV posaconazole under ECMO and to develop a population PK model that can be used to simulate the PTA. METHODS Critically ill patients treated with posaconazole and ECMO were included in this study. Plasma samples were collected at several timepoints within one dosing interval on two occasions: an early (Day 2-3) and a late (Day 4-7) sampling day. Daily trough concentrations were measured. RESULTS The median (IQR) AUC0-24, CL and Vd were 34.3 (28.3-37.7) mg·h/L, 8.7 (8.0-10.6) L/h and 389 (314-740) L, if calculated with non-compartmental analysis based on the observed concentrations. All measured trough concentrations were ≥0.7 mg/L and 11/16 were ≥1 mg/L, which are the haematological thresholds for prophylaxis and treatment of invasive aspergillosis, respectively. The targeted PTA (>90%) was attained for prophylaxis but not for treatment. CONCLUSIONS ECMO does not appear to influence posaconazole exposure compared with haematology patients. However, some trough levels were below the lower limit for treatment. An a priori dose adjustment does not appear to be necessary but drug monitoring is recommended.
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Affiliation(s)
- Ruth Van Daele
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven and Pharmacy Department, University Hospitals Leuven, Leuven, Belgium
| | - Roger J Brüggemann
- Department of Pharmacy and Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen and Center of Expertise in Mycology Radboudumc/CWZ, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Erwin Dreesen
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
| | - Pieter Depuydt
- Department of Intensive Care, Ghent University Hospital, Ghent, Belgium
| | - Bart Rijnders
- Department of Infectious Diseases, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Frédéric Cotton
- Department of Clinical Chemistry, LHUB-ULB, Erasme Hospital and, Université Libre de Bruxelles, Bruxelles, Belgium
| | - David Fage
- Department of Clinical Chemistry, LHUB-ULB, Erasme Hospital and, Université Libre de Bruxelles, Bruxelles, Belgium
| | - Matthias Gijsen
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven and Pharmacy Department, University Hospitals Leuven, Leuven, Belgium
| | - Kenny Van Zwam
- Department of Perfusion, University Hospitals Leuven, Leuven, Belgium
| | - Yves Debaveye
- Intensive Care Unit, University Hospitals Leuven and Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Joost Wauters
- Medical Intensive Care Unit, University Hospitals Leuven and Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Isabel Spriet
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven and Pharmacy Department, University Hospitals Leuven, Leuven, Belgium
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65
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Duceppe MA, Kanji S, Do AT, Ruo N, Cavayas YA, Albert M, Robert-Halabi M, Zavalkoff S, Dupont P, Samoukovic G, Williamson DR. Pharmacokinetics of Commonly Used Antimicrobials in Critically Ill Adults During Extracorporeal Membrane Oxygenation: A Systematic Review. Drugs 2021; 81:1307-1329. [PMID: 34224115 DOI: 10.1007/s40265-021-01557-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2021] [Indexed: 11/28/2022]
Abstract
PURPOSE Adequate dosing of antimicrobials is critical to properly treat infections and limit development of resistance and adverse effects. Limited guidance exists for antimicrobial dosing adjustments in patients requiring extracorporporeal membrane oxygenation (ECMO) therapy. A systematic review was conducted to delineate the pharmacokinetics (PK) and pharmacodynamics (PD) of antimicrobials in critically ill adult patients requiring ECMO. METHODS Medline, EMBASE, Global Health, and All EBM Reviews databases were searched. Grey literature was examined. All studies reporting PK/PD parameters of antimicrobials in critically ill adults treated with ECMO were included, except for case reports and congress abstracts. Ex vivo studies were included. Two independent reviewers applied the inclusion and exclusion criteria. Reviewers were then paired to independently abstract data and evaluate methodological quality of studies using the ROBINS-I tool and the compliance with ClinPK guidelines. Patients' and studies' characteristics, key PK/PD findings, details of ECMO circuits and co-treatments were summarized qualitatively. Dosing recommendations were formulated based on data from controlled studies. RESULTS Thirty-two clinical studies were included; most were observational and uncontrolled. Fourteen ex vivo studies were analysed. Information on patient characteristics and co-treatments was often missing. The effect of ECMO on PK/PD parameters of antimicrobials varied depending on the studied drugs. Few dosing recommendations could be formulated given the lack of good quality data. CONCLUSION Limited data exist on the PK/PD of antimicrobials during ECMO therapy. Rigorously designed and well powered populational PK studies are required to establish empiric dosing guidelines for antimicrobials in patients requiring ECMO support. PROSPERO REGISTRATION NUMBER CRD42018099992 (Registered: July 24th 2018).
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Affiliation(s)
- Marc-Alexandre Duceppe
- Department of Pharmacy, McGill University Health Centre, 1001 Boul. Décarie, Local C-RC 6004, Montreal, QC, H4A 3J1, Canada.
| | - Salmaan Kanji
- Department of Pharmacy, The Ottawa Hospital, Ottawa, Canada.,Faculty of Medicine, University of Ottawa, Ottawa, Canada.,Faculté de Pharmacie, Université de Montréal, Montreal, Canada
| | - Anh Thu Do
- Department of Pharmacy, McGill University Health Centre, 1001 Boul. Décarie, Local C-RC 6004, Montreal, QC, H4A 3J1, Canada
| | - Ni Ruo
- Department of Pharmacy, McGill University Health Centre, 1001 Boul. Décarie, Local C-RC 6004, Montreal, QC, H4A 3J1, Canada
| | - Yiorgos Alexandros Cavayas
- Department of Medicine, Division of Critical Care, Hôpital du Sacré-Coeur de Montréal Research Centre, Montreal, Canada.,Department of Surgery, Division of Critical Care, Montreal Heart Institute, Montreal, Canada.,Département de Médecine, Faculté de Médecine, Université de Montréal, Montreal, Canada
| | - Martin Albert
- Department of Medicine, Division of Critical Care, Hôpital du Sacré-Coeur de Montréal Research Centre, Montreal, Canada.,Department of Surgery, Division of Critical Care, Montreal Heart Institute, Montreal, Canada.,Département de Médecine, Faculté de Médecine, Université de Montréal, Montreal, Canada
| | - Maxime Robert-Halabi
- Department of Medicine, Division of Cardiology, Centre Hospitalier de l'Université de Montréal, Montreal, Canada
| | - Samara Zavalkoff
- Department of Pediatrics, Division of Pediatric Critical Care, McGill University Health Centre, Montreal, Canada.,Faculty of Medicine, McGill University, Montreal, Canada
| | - Patrice Dupont
- Bibliothèque de la santé, Université de Montréal, Montreal, Canada
| | - Gordan Samoukovic
- Faculty of Medicine, McGill University, Montreal, Canada.,Department of Surgery, Division of Critical Care, McGill University Health Centre, Montreal, Canada
| | - David R Williamson
- Faculté de Pharmacie, Université de Montréal, Montreal, Canada.,Department of Pharmacy, Hôpital du Sacré-Coeur de Montréal, Montreal, Canada
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66
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Kalaria SN, Kishk OA, Gopalakrishnan M, Bagdure DN. Evaluation of an ex-vivo neonatal extracorporeal membrane oxygenation circuit on antiepileptic drug sequestration. Perfusion 2021; 37:812-818. [PMID: 34192981 DOI: 10.1177/02676591211028183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Antiepileptic dosing information used to manage neonatal patients receiving extracorporeal membrane oxygenation (ECMO) is limited. The objective of this study is to quantify the extent of sequestration of various antiepileptic drugs using an ex-vivo neonatal ECMO circuit. Two neonatal closed-loop ECMO circuits were prepared using a Rotaflow centrifugal pump, custom polyvinylchloride tubing and a Quadrox-i Neonatal membrane oxygenator. After 5 minutes of circuit priming and stabilization with normal saline/albumin or expired human whole blood, single boluses of levetiracetam (200 mg), lacosamide (20 mg), and phenytoin (200 mg) were injected into the circuit. To account for spontaneous drug degradation, two polyvinylchloride beakers were filled with normal saline/albumin or expired human whole blood and equivalent antiepileptic drug doses were prepared. Simultaneous pharmacokinetic samples were collected from the control solution and the pre-centrifugal pump, pre-oxygenator, and post-oxygenator sampling ports from each circuit. Similar drug recovery profiles were observed among the three sampling sites investigated. Percent drug sequestration after a 24-hour circuit flow period was relatively similar between the two different circuits and ranged between 5.5%-13.2% for levetiracetam, 18.4%-22.3% for lacosamide, and 24.5%-30.2% for phenytoin. A comparison at 12 and 24 hours demonstrated similar percent drug sequestration across all three drugs in each circuit. Percent drug sequestrations for levetiracetam and lacosamide were less than 20% and for phenytoin were as high as 30% based on the sampling following single bolus dose administration into a neonatal ECMO circuit. Careful consideration of patient clinical status should be taken in consideration when optimizing antiepileptic therapy in neonates receiving ECMO.
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Affiliation(s)
- Shamir N Kalaria
- Center for Translational Medicine, School of Pharmacy, University of Maryland, Baltimore, MD, USA.,Department of Pharmacy Services, University of Maryland Medical Center, Baltimore, MD, USA
| | - Omayma A Kishk
- Department of Pharmacy Services, University of Maryland Medical Center, Baltimore, MD, USA
| | - Mathangi Gopalakrishnan
- Center for Translational Medicine, School of Pharmacy, University of Maryland, Baltimore, MD, USA
| | - Dayanand N Bagdure
- Department of Pediatrics, School of Medicine, University of Maryland, Baltimore, MD, USA
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67
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Zhang Y, Zeng Z, Zhang Q, Ou Q, Chen Z. [Effect of extracorporeal membrane oxygenation on pharmacokinetics of antimicrobial drugs: recent progress and recommendations]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2021; 41:793-800. [PMID: 34134970 DOI: 10.12122/j.issn.1673-4254.2021.05.23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Extracorporeal membrane oxygenation (ECMO) is an effective means to provide life support for patients with severe respiratory or heart failure. Existing studies have shown that ECMO may affect the metabolic process of some drugs by drug adsorption, increasing the apparent distribution volume and changing the clearance rate of the drugs. This review summarizes the recent progress in the studies of the effect of ECMO on the pharmacokinetics of antibacterial and antifungal drugs. For the antibacterial drugs, it is recommended that the dose of teicoplanin, imipenem, and linezolid should be increased during ECMO support, while the dose of azithromycin, ciprofloxacin, and tigecycline should not be modified for the time being. Currently studies on pharmacokinetic changes of antifungal drugs during ECMO support remain limited. Voriconazole can be absorbed substantially by ECMO due to its high lipophilicity, and higher doses are therefore recommended. The dose of micafungin also needs to be increased in children undergoing ECMO. However, current evidence concerning the dose of caspofungin and fluconazole are limited, and it is not clear whether the routine dose should be adjusted during ECMO support.
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Affiliation(s)
- Y Zhang
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Z Zeng
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Q Zhang
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Q Ou
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Z Chen
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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68
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Gijsen M, Dreesen E, Annaert P, Nicolai J, Debaveye Y, Wauters J, Spriet I. Meropenem Pharmacokinetics and Target Attainment in Critically Ill Patients Are Not Affected by Extracorporeal Membrane Oxygenation: A Matched Cohort Analysis. Microorganisms 2021; 9:microorganisms9061310. [PMID: 34208553 PMCID: PMC8234236 DOI: 10.3390/microorganisms9061310] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/09/2021] [Accepted: 06/12/2021] [Indexed: 12/30/2022] Open
Abstract
Existing evidence is inconclusive whether meropenem dosing should be adjusted in patients receiving extracorporeal membrane oxygenation (ECMO). Therefore, the aim of this observational matched cohort study was to evaluate the effect of ECMO on pharmacokinetic (PK) variability and target attainment (TA) of meropenem. Patients admitted to the intensive care unit (ICU) simultaneously treated with meropenem and ECMO were eligible. Patients were matched 1:1, based on renal function and body weight, with non-ECMO ICU patients. Meropenem blood sampling was performed over one or two dosing intervals. Population PK modelling was performed using NONMEM7.5. TA was defined as free meropenem concentrations >2 or 8 mg/L (i.e., 1 or 4× minimal inhibitory concentration, respectively) throughout the whole dosing interval. In total, 25 patients were included, contributing 27 dosing intervals. The overall TA was 56% and 26% for the 2 mg/L and 8 mg/L target, respectively. Population PK modelling identified estimated glomerular filtration rate according to the Chronic Kidney Disease Epidemiology equation and body weight, but not ECMO, as significant predictors. In conclusion, TA of meropenem was confirmed to be poor under standard dosing in critically ill patients but was not found to be influenced by ECMO. Future studies should focus on applying dose optimisation strategies for meropenem based on renal function, regardless of ECMO.
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Affiliation(s)
- Matthias Gijsen
- Clinical Pharmacology and Pharmacotherapy, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, 3000 Leuven, Belgium; (E.D.); (I.S.)
- Pharmacy Department, UZ Leuven, 3000 Leuven, Belgium
- Correspondence:
| | - Erwin Dreesen
- Clinical Pharmacology and Pharmacotherapy, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, 3000 Leuven, Belgium; (E.D.); (I.S.)
| | - Pieter Annaert
- Drug Delivery and Disposition, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, 3000 Leuven, Belgium; (P.A.); (J.N.)
- BioNotus, 2845 Niel, Belgium
| | - Johan Nicolai
- Drug Delivery and Disposition, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, 3000 Leuven, Belgium; (P.A.); (J.N.)
- Development Science, UCB Biopharma SRL, 1420 Braine-l’Alleud, Belgium
| | - Yves Debaveye
- Laboratory for Intensive Care Medicine, Department of Cellular and Molecular Medicine, KU Leuven, 3000 Leuven, Belgium;
| | - Joost Wauters
- Medical Intensive Care Unit, UZ Leuven, 3000 Leuven, Belgium;
- Laboratory for Clinical Infectious and Inflammatory Diseases, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
| | - Isabel Spriet
- Clinical Pharmacology and Pharmacotherapy, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, 3000 Leuven, Belgium; (E.D.); (I.S.)
- Pharmacy Department, UZ Leuven, 3000 Leuven, Belgium
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69
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Scott BL, Bonadonna D, Ozment CP, Rehder KJ. Extracorporeal membrane oxygenation in critically ill neonatal and pediatric patients with acute respiratory failure: a guide for the clinician. Expert Rev Respir Med 2021; 15:1281-1291. [PMID: 34010072 DOI: 10.1080/17476348.2021.1932469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Intro: Extracorporeal membrane oxygenation for neonatal and pediatric respiratory failure continues to demonstrate improving outcomes, largely due to advances in technology along with refined management strategies despite mounting patient acuity and complexity. Successful use of ECMO requires thoughtful initiation and candidacy strategies, along with reducing the risk of ventilator induced lung injury and the progression to multiorgan failure.Areas Covered: This review describes current ECMO management strategies for neonatal and pediatric patients with acute refractory respiratory failure and summarizes relevant published literature. ECMO initiation and candidacy, along with ventilator and sedation management, are highlighted. Additionally, rapidly expanding areas of interest such as anticoagulation strategies, transfusion thresholds, rehabilitation on ECMO, and drug pharmacokinetics are described.Expert Opinion: Over the last few decades, published studies supporting ECMO use for acute refractory respiratory failure, along with institutional experience, have resulted in increased utilization although more randomized-controlled trials are needed. Future research should focus on filling the knowledge gaps that remain regarding anticoagulation, transfusion thresholds, ventilator strategies, sedation, and approaches to rehabilitation to subsequently implement into clinical practice. Additionally, efforts should focus on well-designed trials, including population pharmacokinetic studies, to develop dosing recommendations.
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Affiliation(s)
- Briana L Scott
- Division of Pediatric Critical Care Medicine, Duke University Health System, Durham, NC, USA
| | | | - Caroline P Ozment
- Division of Pediatric Critical Care Medicine, Duke University Health System, Durham, NC, USA
| | - Kyle J Rehder
- Division of Pediatric Critical Care Medicine, Duke University Health System, Durham, NC, USA
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70
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Malfertheiner MV, Broman LM, Vercaemst L, Belliato M, Aliberti A, Di Nardo M, Swol J, Barrett N, Pappalardo F, Bělohlávek J, Taccone FS, Millar JE, Crawford L, Lorusso R, Suen JY, Fraser JF. Ex vivo models for research in extracorporeal membrane oxygenation: a systematic review of the literature. Perfusion 2021; 35:38-49. [PMID: 32397884 DOI: 10.1177/0267659120907439] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
With ongoing progress of components of extracorporeal membrane oxygenation including improvements of oxygenators, pumps, and coating materials, extracorporeal membrane oxygenation became increasingly accepted in the clinical practice. A suitable testing in an adequate setup is essential for the development of new technical aspects. Relevant tests can be conducted in ex vivo models specifically designed to test certain aspects. Different setups have been used in the past for specific research questions. We conducted a systematic literature review of ex vivo models of extracorporeal membrane oxygenation components. MEDLINE and Embase were searched between January 1996 and October 2017. The inclusion criteria were ex vivo models including features of extracorporeal membrane oxygenation technology. The exclusion criteria were clinical studies, abstracts, studies in which the model of extracorporeal membrane oxygenation has been reported previously, and studies not reporting on extracorporeal membrane oxygenation components. A total of 50 studies reporting on different ex vivo extracorporeal membrane oxygenation models have been identified from the literature search. Models have been grouped according to the specific research question they were designed to test for. The groups are focused on oxygenator performance, pump performance, hemostasis, and pharmacokinetics. Pre-clinical testing including use of ex vivo models is an important step in the development and improvement of extracorporeal membrane oxygenation components and materials. Furthermore, ex vivo models offer valuable insights for clinicians to better understand the consequences of choice of components, setup, and management of an extracorporeal membrane oxygenation circuit in any given condition. There is a need to standardize the reporting of pre-clinical studies in this area and to develop best practice in their design.
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Affiliation(s)
| | - Lars Mikael Broman
- ECMO Centre Karolinska, Department of Pediatric Perioperative Medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden
| | - Leen Vercaemst
- Perfusion Department, University Hospital Gasthuisberg, Louvain, Belgium
| | - Mirko Belliato
- U.O.C. Anestesia e Rianimazione 1, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Anna Aliberti
- U.O.C. Anestesia e Rianimazione 1, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Matteo Di Nardo
- Pediatric Intensive Care Unit, Children's Hospital Bambino Gesù, IRCCS, Rome, Italy
| | - Justyna Swol
- Department of Pulmonology, Intensive Care Medicine, Paracelsus Medical University, Nuremberg, Germany
| | - Nicholas Barrett
- Department of Critical Care, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Federico Pappalardo
- Department of Cardiothoracic Anesthesia and Intensive Care, San Raffaele Hospital, Milan, Italy
| | - Jan Bělohlávek
- Second Department of Medicine, Cardiovascular Medicine, General University Hospital in Prague, First Faculty of Medicine, Charles University in Prague, Praha, Czech Republic
| | - Fabio Silvio Taccone
- Department of Intensive Care, Hôpital Erasme, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | | | - Lachlan Crawford
- Critical Care Research Group, Prince Charles Hospital, Brisbane, QLD, Australia
| | - Roberto Lorusso
- Cardio-Thoracic Surgery Department, Heart & Vascular Centre, Maastricht University Medical Hospital (MUMC), Cardiovascular Research Institute Maastricht (CARIM), Maastricht, The Netherlands
| | - Jacky Y Suen
- Critical Care Research Group, Prince Charles Hospital, Brisbane, QLD, Australia
| | - John F Fraser
- Critical Care Research Group, Prince Charles Hospital, Brisbane, QLD, Australia
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71
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Suk P, Šrámek V, Čundrle I. Extracorporeal Membrane Oxygenation Use in Thoracic Surgery. MEMBRANES 2021; 11:membranes11060416. [PMID: 34072713 PMCID: PMC8227574 DOI: 10.3390/membranes11060416] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 05/26/2021] [Accepted: 05/26/2021] [Indexed: 12/19/2022]
Abstract
This narrative review is focused on the application of extracorporeal membrane oxygenation (ECMO) in thoracic surgery, exclusive of lung transplantation. Although the use of ECMO in this indication is still rare, it allows surgery to be performed in patients where conventional ventilation is not feasible-especially in single lung patients, sleeve lobectomy or pneumonectomy and tracheal or carinal reconstructions. Comparisons with other techniques, various ECMO configurations, the management of anticoagulation, anesthesia, hypoxemia during surgery and the use of ECMO in case of postoperative respiratory failure are reviewed and supported by two cases of perioperative ECMO use, and an overview of published case series.
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Affiliation(s)
- Pavel Suk
- International Clinical Research Center, St. Anne’s University Hospital Brno, 65691 Brno, Czech Republic
- Department of Anesthesiology and Intensive Care, St. Anne’s University Hospital Brno, 65691 Brno, Czech Republic;
- Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
- Correspondence: (P.S.); (I.Č.J.)
| | - Vladimír Šrámek
- Department of Anesthesiology and Intensive Care, St. Anne’s University Hospital Brno, 65691 Brno, Czech Republic;
- Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
| | - Ivan Čundrle
- International Clinical Research Center, St. Anne’s University Hospital Brno, 65691 Brno, Czech Republic
- Department of Anesthesiology and Intensive Care, St. Anne’s University Hospital Brno, 65691 Brno, Czech Republic;
- Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
- Correspondence: (P.S.); (I.Č.J.)
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72
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Hydromorphone Compared to Fentanyl in Patients Receiving Extracorporeal Membrane Oxygenation. ASAIO J 2021; 67:443-448. [PMID: 33770000 DOI: 10.1097/mat.0000000000001253] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Fentanyl is commonly used in critically ill patients receiving extracorporeal membrane oxygenation (ECMO). Fentanyl's lipophilicity and protein binding may contribute to a sequestration of the drug in the ECMO circuit. Hydromorphone lacks these characteristics potentially leading to a more predictable drug delivery and improved pain and sedation management among ECMO patients. This study compared hydromorphone to fentanyl in patients receiving ECMO. This retrospective study included adult patients receiving ECMO for ≥48 hours. Patients were excluded if they required neuromuscular blockade, received both fentanyl and hydromorphone during therapy, or had opioid use before hospitalization. Baseline characteristics included patient demographics, ECMO indication and settings, and details regarding mechanical ventilation. The primary outcome was opioid requirements at 48 hours post cannulation described in morphine milligram equivalent (MME). Secondary endpoints included 24-hour opioid requirements, concurrent sedative use, and differences in pain and sedation scores. No differences were noted between the patients receiving fentanyl (n = 32) or hydromorphone (n = 20). Patients receiving hydromorphone required lower MME compared to fentanyl at 24 hours (88 [37-121] vs. 131 [137-227], p < 0.01) and 48 hours (168 [80-281] vs. 325 [270-449], p < 0.01). The proportion of within-goal pain and sedation scores between groups was similar at 24 and 48 hours. Sedative requirements did not differ between the groups. Patients receiving hydromorphone required less MME compared to fentanyl without any differences in sedative requirements, or agitation-sedation scores at 48 hours. Prospective studies should be completed to validate these findings.
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73
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Chiarini G, Cho SM, Whitman G, Rasulo F, Lorusso R. Brain Injury in Extracorporeal Membrane Oxygenation: A Multidisciplinary Approach. Semin Neurol 2021; 41:422-436. [PMID: 33851392 DOI: 10.1055/s-0041-1726284] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Extracorporeal membrane oxygenation (ECMO) represents an established technique to provide temporary cardiac and/or pulmonary support. ECMO, in veno-venous, veno-arterial or in extracorporeal carbon dioxide removal modality, is associated with a high rate of brain injuries. These complications have been reported in 7 to 15% of adults and 20% of neonates, and are associated with poor survival. Thromboembolic events, loss of cerebral autoregulation, alteration of the blood-brain barrier, and hemorrhage related to anticoagulation represent the main causes of severe brain injury during ECMO. The most frequent forms of acute neurological injuries in ECMO patients are intracranial hemorrhage (2-21%), ischemic stroke (2-10%), seizures (2-6%), and hypoxic-ischemic brain injury; brain death may also occur in this population. Other frequent complications are infarction (1-8%) and cerebral edema (2-10%), as well as neuropsychological and psychiatric sequelae, including posttraumatic stress disorder.
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Affiliation(s)
- Giovanni Chiarini
- Department of Cardiothoracic Surgery, Heart and Vascular Centre, Maastricht University Medical Centre (MUMC), Maastricht, The Netherlands.,Division of Anesthesiology, Intensive Care and Emergency Medicine, Spedali Civili University, Affiliated Hospital of Brescia, Brescia, Italy
| | - Sung-Min Cho
- Departments of Neurology, Anesthesiology, and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Glenn Whitman
- Division of Cardiac Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Frank Rasulo
- Division of Anesthesiology, Intensive Care and Emergency Medicine, Spedali Civili University, Affiliated Hospital of Brescia, Brescia, Italy
| | - Roberto Lorusso
- Department of Cardiothoracic Surgery, Heart and Vascular Centre, Maastricht University Medical Centre (MUMC), Maastricht, The Netherlands.,Cardiovascular Research Institute Maastricht (CARIM), Maastricht, The Netherlands
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Amiodarone Extraction by the Extracorporeal Membrane Oxygenation Circuit. THE JOURNAL OF EXTRA-CORPOREAL TECHNOLOGY 2021; 53:68-74. [PMID: 33814609 DOI: 10.1182/ject-2000053] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 01/28/2021] [Indexed: 11/20/2022]
Abstract
Amiodarone is an anti-arrhythmic agent that is frequently used to treat tachycardias in critically ill adults and children. Because of physicochemical properties of amiodarone, extracorporeal membrane oxygenation (ECMO) circuits are expected to extract amiodarone from circulation, increasing the risk of therapeutic failure. The present study seeks to determine amiodarone extraction by the ECMO circuit. Amiodarone was administered to three ex vivo circuit configurations (n = 3 per configuration) to determine the effect of each circuit component on drug extraction. The circuits were primed with human blood; standard amiodarone doses were administered; and serial samples were collected over 24 hours. Additional circuits were primed with crystalloid fluid to analyze the effect of blood on extraction and to investigate circuit saturation by drug. The crystalloid circuits were dosed multiple times over 72 hours, including a massive dose at 48 hours. For both setups, the flow was set to 1 L/min. Drug was added to separate tubes containing the prime solution to serve as controls. Drug concentrations were quantified with a validated assay, and drug recovery was calculated for each sample. Mean recovery for the circuits and controls were compared to correct for drug degradation over time. Amiodarone was heavily extracted by all ECMO circuit configurations. Eight hours after dosing, mean recovery in the blood prime circuits was 13.5-22.1%. In the crystalloid prime circuits, drug recovery decreased even more rapidly, with a mean recovery of 22.0% at 30 minutes. Similarly, drug recovery decreased more quickly in the crystalloid prime controls than in the blood prime controls. Saturation was not achieved in the crystalloid prime circuits, as final amiodarone concentrations were at the lower limit of quantification. The results suggest that amiodarone is rapidly extracted by the ECMO circuit and that saturation is not achieved by standard doses. In vivo circuit extraction may cause decreased drug exposure.
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75
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Nikolos P, Osorio J, Mohrien K, Rose C. Pharmacokinetics of linezolid for methicillin-resistant Staphylococcus aureus pneumonia in an adult receiving extracorporeal membrane oxygenation. Am J Health Syst Pharm 2021; 77:877-881. [PMID: 32426841 DOI: 10.1093/ajhp/zxaa066] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
PURPOSE We present a case of a 55-year-old man post right lung transplantation receiving ECMO for treatment of respiratory failure secondary to methicillin-resistant Staphylococcus aureus (MRSA) pneumonia. SUMMARY Extracorporeal membrane oxygenation (ECMO) is a frequently utilized support therapy for patients with cardiac and/or respiratory failure. Dosing of medications during ECMO can be challenging due to several factors, including sequestration of medications within ECMO circuits, alterations in volume of distribution, and changes in drug clearance. The patient was initiated on empiric antibiotics, then switched to linezolid at a dose of 600 mg every 8 hours. Linezolid plasma concentrations were collected 30 minutes prior to the sixth administered dose and 30 minutes following the 1-hour infusion of the sixth dose, which resulted in values of 0.4 and 1.7 μg/mL, respectively. The ratio of 24-hour area under the curve (AUC0-24) to minimum inhibitory concentration (MIC), assuming a MIC of 2 μg/mL, was calculated using the extrapolated maximum concentration (1.9 μg/mL) and minimum concentration (0.35 μg/mL), resulting in an AUC0-24/MIC value of 10.8. Due to subtherapeutic linezolid plasma concentrations, ceftaroline was initiated and continued for a total of 18 days. To our knowledge, this is the second report to describe inadequate plasma concentrations of linezolid during ECMO. CONCLUSION In the case described here, linezolid at a dose of 600 mg every 8 hours did not achieve target plasma concentrations in a patient receiving concomitant venovenous ECMO support.
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Affiliation(s)
- Peter Nikolos
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences (LIU Pharmacy), Brooklyn, NY, and New York-Presbyterian/Weill Cornell Medical Center, New York, NY
| | - Justin Osorio
- Department of Pharmacy, Ohio State University Wexner Medical Center, Columbus, OH
| | - Kerry Mohrien
- BCPS, Department of Pharmacy, Temple University Hospital, Philadelphia, PA
| | - Christina Rose
- BCCCP, Department of Pharmacy Practice, Temple University School of Pharmacy, Philadelphia, PA
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76
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Kapoor PM, Sharan S, Choudhury M. TIVA for ECMO and VAD. JOURNAL OF CARDIAC CRITICAL CARE TSS 2021. [DOI: 10.1055/s-0041-1728228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
AbstractIn recent decades, the use of temporary and permanent use of mechanical assist devices is on the rise for patients with end-stage cardiac failure. These support strategies hold inherently different risks in the face of noncardiac critical illness and require multidisciplinary treatment strategies. The main issues with all mechanical devices whether extracorporeal membrane oxygenation (ECMO) or ventricular assist device (VAD), are related to thrombosis, anticoagulation, infection, avoiding hypertension and thus use of intravenous drugs, which requires intense monitoring, to circumvent further renal, ischemic or neurological injury and prevent complication.
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Affiliation(s)
| | - Sandeep Sharan
- Department of Cardiac Anaesthesia, CTC, AIIMS, New Delhi, India
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77
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Gijsen M, Annaert P, Shekar K, Roberts JA, Wauters J, Spriet I. Letter to the Editor regarding: Ceftriaxone exposure in patients undergoing extracorporeal membrane oxygenation. Int J Antimicrob Agents 2021; 57:106326. [PMID: 33781850 DOI: 10.1016/j.ijantimicag.2021.106326] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/09/2021] [Accepted: 03/13/2021] [Indexed: 11/15/2022]
Affiliation(s)
- Matthias Gijsen
- KU Leuven Clinical Pharmacology and Pharmacotherapy, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium; Pharmacy Department, University Hospitals Leuven, Leuven, Belgium.
| | - Pieter Annaert
- KU Leuven Drug Delivery and Disposition, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
| | - Kiran Shekar
- Adult Intensive Care Services, The Prince Charles Hospital, Chermside, Brisbane, Australia; University of Queensland, Brisbane, Australia; Queensland University of Technology, Brisbane, Australia; Bond University, Gold Coast, Australia
| | - Jason A Roberts
- University of Queensland Centre for Clinical Research, Faculty of Medicine & Centre for Translational Anti-infective Pharmacodynamics, School of Pharmacy, The University of Queensland, Brisbane, Australia; Departments of Pharmacy and Intensive Care Medicine, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Joost Wauters
- Laboratory of Intensive Care Medicine, Academic Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium; Medical Intensive Care Unit, University Hospitals Leuven, Leuven, Belgium
| | - Isabel Spriet
- KU Leuven Clinical Pharmacology and Pharmacotherapy, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium; Pharmacy Department, University Hospitals Leuven, Leuven, Belgium
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Shoskes A, Whitman G, Cho SM. Neurocritical Care of Mechanical Circulatory Support Devices. Curr Neurol Neurosci Rep 2021; 21:20. [PMID: 33694065 DOI: 10.1007/s11910-021-01107-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/23/2021] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW Mechanical circulatory support (MCS) devices have demonstrated improved survival outcomes in otherwise refractory cardiopulmonary failure but are associated with significant neurologic morbidity and mortality. This review aims to characterize MCS-associated brain injury and discuss the neurocritical care of this population. RECENT FINDINGS We found no practice guidelines or specific management strategies for the neurocritical care of patients with MCS devices. Acute brain injury was commonly observed in short-term and durable MCS devices. There is emerging evidence that a standardized neurological monitoring and management algorithm for MCS device-associated brain injury is feasible and potentially improves neurological outcomes. While MCS devices are associated with significant neurologic morbidity and mortality, there is scant evidence regarding optimal neuromonitoring and neurocritical care. With the increase in use of MCS devices for both short-term and durable applications, improved outcomes will depend on early identification and intervention of neurologic complications and further research into their pathophysiology.
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Affiliation(s)
- Aaron Shoskes
- Department of Neurology, Neurological Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Glenn Whitman
- Division of Cardiac Surgery, Johns Hopkins University, Baltimore, MD, USA
| | - Sung-Min Cho
- Departments of Neurology, Neurosurgery, Anesthesiology and Critical Care Medicine, Division of Neuroscience Critical Care, Johns Hopkins University, 600 N. Wolfe Street, Phipps 455, Baltimore, MD, 21287, USA.
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79
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Bakdach D, Akkari A, Gazwi K, Deloso F, Tan D, Ibrahim A, Abdussalam A, Hassan I. Propofol Safety in Anticoagulated and Nonanticoagulated Patients During Extracorporeal Membrane Oxygenation. ASAIO J 2021; 67:201-207. [PMID: 32639256 PMCID: PMC7326318 DOI: 10.1097/mat.0000000000001207] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Sedation management during extracorporeal membrane oxygenation(ECMO) is a common challenge encountered by treating intensivists. Data about the safety of propofol use during ECMO has been contradictory. We aimed to investigate associated risks of propofol use on oxygenator lifespan and to explore the effect of propofol use on oxygenator membranes when therapeutic anticoagulation was omitted. Adult respiratory ECMO patients who received propofol were retrospectively compared with those who did not, and outcomes were assessed by means of duration of oxygenator functionality before requiring an exchange, and number of exchanges during propofol use and/or ECMO support. Out of the 63patients included in the analysis, 46%received propofol during ECMO as part of sedation regimen. The use of propofol was not found to be associated with an increased incidence of oxygenator failure when compared with cohorts who did not receive propofol (21% propofol arm vs. 6% control, p = 0.13). When analyzed for anticoagulation omission effects, propofol did not increase the risk of oxygenator failure (p = 0.63). The only predictor that statistically predicted the risk of oxygenator failure was development of heparin-induced thrombocytopenia (HIT) during ECMO. The results of this study further support the previously reported safety of propofol utilization during respiratory ECMO even in the absence of anticoagulation.
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Affiliation(s)
- Dana Bakdach
- From the Department of Pharmacy, Medical Intensive Care Unit, Hamad Medical Corporation, Doha, Qatar
| | - Abdelrauof Akkari
- Department of Medicine, Medical Intensive Care Unit, Hamad Medical Corporation, Doha, Qatar
| | - Khaled Gazwi
- Department of Medicine, Medical Intensive Care Unit, Hamad Medical Corporation, Doha, Qatar
| | - Ferdinand Deloso
- Department of Nursing, Intensive Care Unit, Hamad Medical Corporation, Doha, Qatar
| | - Darwin Tan
- Department of Nursing, Intensive Care Unit, Hamad Medical Corporation, Doha, Qatar
| | - Abdulsalam Ibrahim
- Department of Medicine, Medical Intensive Care Unit, Hamad Medical Corporation, Doha, Qatar
| | - Ahmad Abdussalam
- Department of Medicine, Medical Intensive Care Unit, Hamad Medical Corporation, Doha, Qatar
| | - Ibrahim Hassan
- Department of Medicine, Medical Intensive Care Unit, Hamad Medical Corporation, Doha, Qatar
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80
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Baud FJ, Jullien V, Secrétan PH, Houzé P, Lamhaut L. Are we correctly treating invasive candidiasis under continuous renal replacement therapy with echinocandins? Preliminary in vitro assessment. Anaesth Crit Care Pain Med 2021; 40:100640. [DOI: 10.1016/j.accpm.2020.01.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 11/28/2019] [Accepted: 01/13/2020] [Indexed: 11/25/2022]
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81
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Kühn D, Metz C, Seiler F, Wehrfritz H, Roth S, Alqudrah M, Becker A, Bracht H, Wagenpfeil S, Hoffmann M, Bals R, Hübner U, Geisel J, Lepper PM, Becker SL. Antibiotic therapeutic drug monitoring in intensive care patients treated with different modalities of extracorporeal membrane oxygenation (ECMO) and renal replacement therapy: a prospective, observational single-center study. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2020; 24:664. [PMID: 33239110 PMCID: PMC7689974 DOI: 10.1186/s13054-020-03397-1] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 11/18/2020] [Indexed: 12/30/2022]
Abstract
BACKGROUND Effective antimicrobial treatment is key to reduce mortality associated with bacterial sepsis in patients on intensive care units (ICUs). Dose adjustments are often necessary to account for pathophysiological changes or renal replacement therapy. Extracorporeal membrane oxygenation (ECMO) is increasingly being used for the treatment of respiratory and/or cardiac failure. However, it remains unclear whether dose adjustments are necessary to avoid subtherapeutic drug levels in septic patients on ECMO support. Here, we aimed to evaluate and comparatively assess serum concentrations of continuously applied antibiotics in intensive care patients being treated with and without ECMO. METHODS Between October 2018 and December 2019, we prospectively enrolled patients on a pneumological ICU in southwest Germany who received antibiotic treatment with piperacillin/tazobactam, ceftazidime, meropenem, or linezolid. All antibiotics were applied using continuous infusion, and therapeutic drug monitoring of serum concentrations (expressed as mg/L) was carried out using high-performance liquid chromatography. Target concentrations were defined as fourfold above the minimal inhibitory concentration (MIC) of susceptible bacterial isolates, according to EUCAST breakpoints. RESULTS The final cohort comprised 105 ICU patients, of whom 30 were treated with ECMO. ECMO patients were significantly younger (mean age: 47.7 vs. 61.2 years; p < 0.001), required renal replacement therapy more frequently (53.3% vs. 32.0%; p = 0.048) and had an elevated ICU mortality (60.0% vs. 22.7%; p < 0.001). Data on antibiotic serum concentrations derived from 112 measurements among ECMO and 186 measurements from non-ECMO patients showed significantly lower median serum concentrations for piperacillin (32.3 vs. 52.9; p = 0.029) and standard-dose meropenem (15.0 vs. 17.8; p = 0.020) in the ECMO group. We found high rates of insufficient antibiotic serum concentrations below the pre-specified MIC target among ECMO patients (piperacillin: 48% vs. 13% in non-ECMO; linezolid: 35% vs. 15% in non-ECMO), whereas no such difference was observed for ceftazidime and meropenem. CONCLUSIONS ECMO treatment was associated with significantly reduced serum concentrations of specific antibiotics. Future studies are needed to assess the pharmacokinetic characteristics of antibiotics in ICU patients on ECMO support.
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Affiliation(s)
- Dennis Kühn
- Institute of Medical Microbiology and Hygiene, Saarland University, Homburg, Germany.,Department of Internal Medicine V - Pneumology, Allergology and Intensive Care Medicine, Saarland University Medical Center, Homburg, Germany
| | - Carlos Metz
- Department of Internal Medicine V - Pneumology, Allergology and Intensive Care Medicine, Saarland University Medical Center, Homburg, Germany
| | - Frederik Seiler
- Department of Internal Medicine V - Pneumology, Allergology and Intensive Care Medicine, Saarland University Medical Center, Homburg, Germany
| | - Holger Wehrfritz
- Department of Internal Medicine V - Pneumology, Allergology and Intensive Care Medicine, Saarland University Medical Center, Homburg, Germany
| | - Sophie Roth
- Institute of Medical Microbiology and Hygiene, Saarland University, Homburg, Germany
| | - Mohammad Alqudrah
- Department of Internal Medicine V - Pneumology, Allergology and Intensive Care Medicine, Saarland University Medical Center, Homburg, Germany
| | - André Becker
- Department of Internal Medicine V - Pneumology, Allergology and Intensive Care Medicine, Saarland University Medical Center, Homburg, Germany
| | - Hendrik Bracht
- Department of Anaesthesiology and Critical Care Medicine, University Hospital of Ulm, Ulm, Germany
| | - Stefan Wagenpfeil
- Department of Medical Biometry, Epidemiology and Medical Informatics, Saarland University, Homburg, Germany
| | - Mathias Hoffmann
- Hospital Pharmacy, Saarland University Medical Center, Homburg, Germany
| | - Robert Bals
- Department of Internal Medicine V - Pneumology, Allergology and Intensive Care Medicine, Saarland University Medical Center, Homburg, Germany
| | - Ulrich Hübner
- Department of Clinical Chemistry and Laboratory Medicine, Homburg, Germany
| | - Jürgen Geisel
- Department of Clinical Chemistry and Laboratory Medicine, Homburg, Germany
| | - Philipp M Lepper
- Department of Internal Medicine V - Pneumology, Allergology and Intensive Care Medicine, Saarland University Medical Center, Homburg, Germany.
| | - Sören L Becker
- Institute of Medical Microbiology and Hygiene, Saarland University, Homburg, Germany.
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82
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Zimmerman KO, Dallefeld SH, Hornik CP, Watt KM. Sedative and Analgesic Pharmacokinetics During Pediatric ECMO. J Pediatr Pharmacol Ther 2020; 25:675-688. [PMID: 33214778 PMCID: PMC7671016 DOI: 10.5863/1551-6776-25.8.675] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2020] [Indexed: 11/11/2022]
Abstract
Sedatives and analgesics are often administered to critically ill children supported by extracorporeal membrane oxygenation (ECMO) to facilitate comfort and to decrease risks of life-threatening complications. Optimization of sedative and analgesic dosing is necessary to achieve desired therapeutic benefits and must consider interactions between the circuit and patient that may affect drug metabolism, clearance, and impact on target organs. This paper reviews existing in vitro and pediatric in vivo literature concerning the effects of the ECMO circuit on sedative and analgesic disposition and offers dosing guidance for the management of critically ill children receiving these drugs.
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Affiliation(s)
- Kanecia O Zimmerman
- Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC (KOZ, CPH)
- Division of Pediatric Critical Care Medicine, Department of Pediatrics, Duke Children's Hospital, Durham, NC (KOZ, CPH)
| | - Samantha H Dallefeld
- Pediatric Critical Care Medicine, Dell Children's Medical Center of Central Texas, Austin, TX (SHD)
| | - Christoph P Hornik
- Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC (KOZ, CPH)
- Division of Pediatric Critical Care Medicine, Department of Pediatrics, Duke Children's Hospital, Durham, NC (KOZ, CPH)
| | - Kevin M Watt
- Division of Clinical Pharmacology, University of Utah School of Medicine, Salt Lake City, UT (KMW)
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83
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Influence of the ECMO circuit on the concentration of nutritional supplements. Sci Rep 2020; 10:19275. [PMID: 33159150 PMCID: PMC7648645 DOI: 10.1038/s41598-020-76299-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 10/19/2020] [Indexed: 11/17/2022] Open
Abstract
Circulating compounds such as drugs and nutritional components might adhere to the oxygenator fibers and tubing during ECMO support. This study evaluated the amount of nutritional supplements adsorbed to the ECMO circuit under controlled ex vivo conditions. Six identical ECMO circuits were primed with fresh human whole blood and maintained under physiological conditions at 36 °C for 24 h. A dose of nutritional supplement calculated for a 70 kg patient was added. 150 mL volume was drawn from the priming bag for control samples and kept under similar conditions. Blood samples were obtained at predetermined time points and analyzed for concentrations of vitamins, minerals, lipids, and proteins. Data were analyzed using mixed models with robust standard errors. No significant differences were found between the ECMO circuits and the controls for any of the measured variables: cobalamin, folate, vitamin A, glucose, minerals, HDL cholesterol, LDL cholesterol, total cholesterol, triglycerides or total proteins. There was an initial decrease and then an increase in the concentration of cobalamin and folate. Vitamin A concentrations decreased in both groups over time. There was a decrease in concentration of glucose and an increased concentration of lactate dehydrogenase over time in both groups. There were no significant alterations in the concentrations of nutritional supplements in an ex vivo ECMO circuit compared to control samples. The time span of this study was limited, thus, clinical studies over a longer period of time are needed.
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84
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Population Pharmacokinetics of Caspofungin among Extracorporeal Membrane Oxygenation Patients during the Postoperative Period of Lung Transplantation. Antimicrob Agents Chemother 2020; 64:AAC.00687-20. [PMID: 32816724 PMCID: PMC7577146 DOI: 10.1128/aac.00687-20] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 07/11/2020] [Indexed: 12/18/2022] Open
Abstract
Little is known about the influence of extracorporeal membrane oxygenation (ECMO) on the pharmacokinetics (PK) of caspofungin. The aim of this study was to describe population PK of caspofungin in patients with and without ECMO during the postoperative period of lung transplantation (LTx) and to investigate covariates influencing caspofungin PK. We compared ECMO patients with non-ECMO patients, and patients before and after ECMO weaning as self-controls, to analyzed changes in caspofungin PK. Eight serial blood samples were collected from each patient for PK analysis. The population PK of caspofungin was described using nonlinear mixed-effects modeling. Twelve ECMO and 7 non-ECMO lung transplant recipients were enrolled in this study. None of the patients received renal replacement therapy during any part of the study period. The PK of caspofungin was best described by a two-compartment model. There were no significant differences in the PK parameters and concentrations of caspofungin among the ECMO, non-ECMO, and self-control group. In the final covariate model, we found that there was a significant association between the male gender and increased distribution volume, that a higher sequential organ failure assessment score was related to an increase in intercompartmental clearance, and that a longer operative time was related to an increase in clearance and the volume of distribution. ECMO did not have a significant impact on the PK of caspofungin in patients after LTx. Some factors were identified as statistically significant covariates related to the PK of caspofungin; however, their impact on clinical practice of caspofungin needs to be investigated further in more studies. (This study has been registered at ClinicalTrials.gov under identifier NCT03766282.).
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85
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Baud FJ, Houzé P, Carli P, Lamhaut L. Alteration of the pharmacokinetics of aminoglycosides by adsorption in a filter during continuous renal replacement therapy. An in vitro assessment. Therapie 2020; 76:415-424. [DOI: 10.1016/j.therap.2020.10.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 08/11/2020] [Accepted: 10/23/2020] [Indexed: 10/23/2022]
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86
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Matusik E. Commentary: Recommendation of Antimicrobial Dosing Optimization During Continuous Renal Replacement Therapy. Front Pharmacol 2020; 11:580163. [PMID: 33041825 PMCID: PMC7525157 DOI: 10.3389/fphar.2020.580163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 08/28/2020] [Indexed: 11/17/2022] Open
Affiliation(s)
- Elodie Matusik
- Department of Pharmacy, Valenciennes General Hospital, Valenciennes, France.,Department of Intensive Care Research, Valenciennes General Hospital, Valenciennes, France
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87
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De Bie FR, Allegaert K, Hedrick HL, Rintoul NE, Davidson A. Treprostinil Attains Clinically Therapeutic Concentrations in Neonates with Pulmonary Hypertension on Extracorporeal Membrane Oxygenation Support. Pharmacotherapy 2020; 40:1054-1060. [PMID: 32866289 DOI: 10.1002/phar.2459] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND TREPROSTINIL IS A PROSTACYCLIN ANALOG USED FOR TREATMENT OF PULMONARY HYPERTENSION (PH) IN ADULTS AND CHILDREN, CURRENTLY AWAITING CLINICAL ASSESSMENT FOR USE IN NEONATES.: OBJECTIVES: WE AIMED TO INVESTIGATE THE USE OF TREPROSTINIL IN NEONATES WITH PH ON EXTRACORPOREAL MEMBRANE OXYGENATION (ECMO) SUPPORT AND MEASURE PLASMA CONCENTRATIONS OF THE DRUG.: METHODS: THIS IS A RETROSPECTIVE CASE-SERIES WITH PROSPECTIVELY COLLECTED BLOOD SAMPLES, CONDUCTED IN A QUATERNARY CARE NEONATAL INTENSIVE CARE UNIT. BRAIN NATRIURETIC PEPTIDE, CARDIAC FUNCTION ON DOPPLER ECHOCARDIOGRAPHY, AND THE OCCURRENCE OF ADVERSE EFFECTS WAS MONITORED. PLASMA CONCENTRATIONS WERE MEASURED USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY AND MASS SPECTROMETRY.: RESULTS: FOUR PATIENTS WITH PH REQUIRING ECMO THERAPY WERE STUDIED. TREPROSTINIL DOSES OF 20-58 NG/KG/MIN REACHED CONCENTRATIONS OF 0.99-4.39 NG/ML AND INDUCED CLINICAL IMPROVEMENT. INFUSION OF TREPROSTINIL WAS ASSOCIATED WITH IMPROVED RIGHT VENTRICULAR FUNCTION, REVERSED RIGHT-TO-LEFT SHUNTING THROUGH THE DUCTUS ARTERIOSUS, AND STABLE OR DECREASING NEED FOR VASOPRESSOR SUPPORT. NO ADVERSE EFFECTS WERE OBSERVED CONCLUSIONS: THIS IS THE FIRST STUDY TO REPORT CLINICALLY THERAPEUTIC TREPROSTINIL CONCENTRATIONS IN CIRCULATING PLASMA AFTER TREPROSTINIL ADMINISTRATION IN NEONATES ON ECMO, WITH ASSOCIATED CLINICAL IMPROVEMENT OF PH AND NO SIGNS OF HEMODYNAMIC INSTABILITY.
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Affiliation(s)
- Felix R De Bie
- Department of Pediatric General, Thoracic, and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.,Development and Regeneration, KU Leuven, Leuven, Belgium
| | - Karel Allegaert
- Development and Regeneration, KU Leuven, Leuven, Belgium.,Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium.,Clinical Pharmacy, Erasmus MC Rotterdam, Rotterdam, The Netherlands
| | - Holly L Hedrick
- Department of Pediatric General, Thoracic, and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.,Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Natalie E Rintoul
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Alexander Davidson
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
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88
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Parker SL, Abdul-Aziz MH, Roberts JA. The role of antibiotic pharmacokinetic studies performed post-licensing. Int J Antimicrob Agents 2020; 56:106165. [PMID: 32941948 DOI: 10.1016/j.ijantimicag.2020.106165] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 07/29/2020] [Accepted: 09/10/2020] [Indexed: 12/11/2022]
Abstract
Post-licensing pharmacometric studies can provide a better understanding of the pharmacokinetic (PK) alterations in special patient populations and may lead to better clinical outcomes. Some patient populations exhibit markedly different pathophysiology to general ward patients or healthy individuals. This may be developmental (paediatric patients), a manifestation of an underlying disease pathology (patients with obesity or haematological malignancies) or due to medical interventions (critically ill patients receiving extracorporeal therapies). This paper outlines the factors that affect the PK of special patient populations and describes some novel methods of antimicrobial administration that may increase antimicrobial concentrations at the site of infection and improve treatment of severe infection.
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Affiliation(s)
- Suzanne L Parker
- UQ Centre for Clinical Research, The University of Queensland, Brisbane, Australia.
| | | | - Jason A Roberts
- UQ Centre for Clinical Research, The University of Queensland, Brisbane, Australia; Department of Intensive Care Medicine, Royal Brisbane & Women's Hospital, Brisbane, Australia; Centre for Translational Anti-Infective Pharmacodynamics, School of Pharmacy, The University of Queensland, Brisbane, Australia; Division of Anaesthesiology Critical Care Emergency and Pain Medicine, Nîmes University Hospital, University of Montpellier, Nîmes, France; Department of Pharmacy, Royal Brisbane & Women's Hospital, Brisbane, Australia
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89
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Seddon MM, Busey KV, Kutner SB, Mejia RE, Bhattacharyya R. Oxacillin therapeutic drug monitoring in a patient on extracorporeal membrane oxygenation support. J Antimicrob Chemother 2020; 75:2699-2700. [PMID: 32556275 DOI: 10.1093/jac/dkaa216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
| | | | - Sara B Kutner
- Sarasota Memorial Health Care System, Sarasota, FL, USA
| | - Ryan E Mejia
- Sarasota Memorial Health Care System, Sarasota, FL, USA
| | - Rishi Bhattacharyya
- Sarasota Memorial Health Care System, Sarasota, FL, USA.,Infectious Diseases Associates, Sarasota, FL, USA
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90
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Rapid Increase in Clearance of Phenobarbital in Neonates on Extracorporeal Membrane Oxygenation: A Pilot Retrospective Population Pharmacokinetic Analysis. Pediatr Crit Care Med 2020; 21:e707-e715. [PMID: 32639476 DOI: 10.1097/pcc.0000000000002402] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVES This study characterizes the changes in the pharmacokinetics of phenobarbital associated with extracorporeal membrane oxygenation treatment in neonates, to illustrate our findings and provide guidance on dosing. DESIGN Retrospective pilot population pharmacokinetic analysis. SETTING Neonatal ICU. PATIENTS Thirteen critically ill neonates (birth body weight, 3.21 kg [2.65-3.72 kg]; postnatal age at start of treatment: 2 d [0-7 d]; gestational age: 38 wk [38-41 wk]) receiving venovenous or venoarterial extracorporeal membrane oxygenation. INTERVENTIONS Phenobarbital administered in a loading dose of 7.5 mg/kg (8.5-16 mg/kg) and maintenance dose of 6.9 mg/kg/d (4.5-8.5 mg/kg/d). MEASUREMENTS AND MAIN RESULTS Therapeutic drug monitoring data were available, yielding 5, 31, and 19 phenobarbital concentrations before, during, and after extracorporeal membrane oxygenation, respectively. Population pharmacokinetic analysis was performed using NONMEM 7.3.0 (ICON Development Solutions, Ellicott City, MD). Maturation functions for clearance and volume of distribution were obtained from literature. In a one-compartment model, clearance and volume of distribution for a typical neonate off extracorporeal membrane oxygenation and with a median birth body weight (3.21 kg) at median postnatal age (2 d) were 0.0096 L/hr (relative SE = 11%)) and 2.72 L (16%), respectively. During extracorporeal membrane oxygenation, clearance was found to linearly increase with time. Upon decannulation, phenobarbital clearance initially decreased and subsequently increased slowly driven by maturation. Extracorporeal membrane oxygenation-related changes in volume of distribution could not be identified, possibly due to sparse data collection shortly after extracorporeal membrane oxygenation start. According to the model, target attainment is achieved in the first 12 days of extracorporeal membrane oxygenation with a regimen of a loading dose of 20 mg/kg and a maintenance dose of 4 mg/kg/d divided in two doses with an increase of 0.25 mg/kg every 12 hours during extracorporeal membrane oxygenation treatment. CONCLUSIONS We found a time-dependent increase in phenobarbital clearance during the first 12 days of extracorporeal membrane oxygenation treatment in neonates, which results in continuously decreasing phenobarbital exposure and increases the risk of therapeutic failure over time. Due to high unexplained variability, frequent and repeated therapeutic drug monitoring should be considered even with the model-derived regimen.
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91
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Rotz SJ, Almeida FA, Koyfman S, Krishnan S, Thind GS, Phillips W, Yun J, Zembillas A, Zahniser M, Bribriesco A. Continuous infusion chemotherapy, radiotherapy, and FDG-PET are feasible during extracorporeal membrane oxygenation. Pediatr Blood Cancer 2020; 67:e28429. [PMID: 32672885 PMCID: PMC7699825 DOI: 10.1002/pbc.28429] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 05/01/2020] [Accepted: 05/02/2020] [Indexed: 12/19/2022]
Abstract
Extracorporeal membrane oxygenation (ECMO) may be used in extreme circumstances for patients with a mediastinal mass and respiratory failure. We report on a young man with primary mediastinal B-cell lymphoma invading into the trachea, requiring a 40-day ECMO run who underwent fluorodeoxyglucose positron emission tomography (FDG-PET) imaging and treatment with concurrent mediastinal irradiation and continuous infusion chemotherapy while on this life-saving technology. This case illustrates that oncology patients may be managed by multidisciplinary teams for extended periods in extraordinary circumstances using multimodality therapies. Additionally, to our knowledge this is the first case to demonstrate the feasibility of FDG-PET imaging while on ECMO.
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Affiliation(s)
- Seth J Rotz
- Department of Pediatric Hematology, Oncology, and Blood and Marrow Transplantation, Cleveland Clinic Children’s Hospital, Cleveland, Ohio, USA
| | | | - Shlomo Koyfman
- Department of Radiation Oncology, Cleveland Clinic, Cleveland, Ohio, USA
| | - Sudhir Krishnan
- Department of Pulmonary Medicine, Cleveland Clinic, Cleveland, Ohio, USA,Department of Critical Care Medicine, Cleveland Clinic, Cleveland, Ohio, USA
| | | | - William Phillips
- Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, Ohio, USA
| | - James Yun
- Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | - Anthony Zembillas
- Department of Pediatric Hematology, Oncology, and Blood and Marrow Transplantation, Cleveland Clinic Children’s Hospital, Cleveland, Ohio, USA
| | - Mark Zahniser
- Department of Cardiothoracic Anesthesia, Cleveland Clinic, Cleveland, Ohio, USA
| | - Alejandro Bribriesco
- Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, Ohio, USA
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92
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Borsuk-De Moor A, Sysiak-Sławecka J, Rypulak E, Borys M, Piwowarczyk P, Raszewski G, Onichimowski D, Czuczwar M, Wiczling P. Nonstationary Pharmacokinetics of Caspofungin in ICU Patients. Antimicrob Agents Chemother 2020; 64:e00345-20. [PMID: 32601169 PMCID: PMC7449161 DOI: 10.1128/aac.00345-20] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 06/19/2020] [Indexed: 12/21/2022] Open
Abstract
Standard dosing of caspofungin in critically ill patients has been reported to result in lower drug exposure, which can lead to subtherapeutic 24-h area under the curve to MIC (AUC0-24/MIC) ratios. The aim of the study was to investigate the population pharmacokinetics of caspofungin in a cohort of 30 intensive care unit patients with a suspected invasive fungal infection, with a large proportion of patients requiring extracorporeal therapies, including extracorporeal membrane oxygenation (ECMO) and continuous renal replacement therapy (CRRT). Caspofungin was administered as empirical 70 mg antifungal therapy administered intravenously (i.v.) on the first day and at 50 mg i.v. on the consecutive days once daily, and the concentrations were measured after three subsequent doses. Population pharmacokinetic data were analyzed by nonlinear mixed-effects modeling. The pharmacokinetics of caspofungin was described by two-compartment model. A particular drift of the individual clearance (CL) and the volume of distribution of the central compartment (V1) with time was discovered and described by including three separate typical values of CL and V1 in the final model. The typical CL values at days 1, 2, and 3 were 0.563 liters/h (6.7% relative standard error [6.7%RSE]), 0.737 liters/h (6.1%RSE), and 1.01 liters/h (9.1%RSE), respectively. The change in parameters with time was not explained by any of the recorded covariates. Increasing clearance with subsequent doses was associated with a clinically relevant decrease in caspofungin exposure (>20%). The use of ECMO, CRRT, albumin concentration, and other covariates did not significantly affect caspofungin pharmacokinetics. Additional pharmacokinetic studies are urgently required to assess the possible lack of acquiring steady-state and suboptimal concentrations of the drug in critically ill patients. (This study has been registered at ClinicalTrials.gov under identifier NCT03399032.).
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Affiliation(s)
- Agnieszka Borsuk-De Moor
- Department of Biopharmaceutics and Pharmacodynamics, Medical University of Gdańsk, Gdańsk, Poland
| | - Justyna Sysiak-Sławecka
- 2nd Department of Anaesthesiology and Intensive Therapy, Medical University of Lublin, Lublin, Poland
| | - Elżbieta Rypulak
- 2nd Department of Anaesthesiology and Intensive Therapy, Medical University of Lublin, Lublin, Poland
| | - Michał Borys
- 2nd Department of Anaesthesiology and Intensive Therapy, Medical University of Lublin, Lublin, Poland
| | - Paweł Piwowarczyk
- 2nd Department of Anaesthesiology and Intensive Therapy, Medical University of Lublin, Lublin, Poland
| | - Grzegorz Raszewski
- Department of Physiopathology, Institute of Rural Health, Lublin, Poland
| | - Dariusz Onichimowski
- Department of Anaesthesiology and Intensive Therapy, Faculty of Medicine, University of Warmia and Mazury, Olsztyn, Poland
| | - Mirosław Czuczwar
- 2nd Department of Anaesthesiology and Intensive Therapy, Medical University of Lublin, Lublin, Poland
| | - Paweł Wiczling
- Department of Biopharmaceutics and Pharmacodynamics, Medical University of Gdańsk, Gdańsk, Poland
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93
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Taran S, Steel A, Healey A, Fan E, Singh JM. Organ donation in patients on extracorporeal membrane oxygenation: considerations for determination of death and withdrawal of life support. Can J Anaesth 2020; 67:1035-1043. [PMID: 32440908 DOI: 10.1007/s12630-020-01714-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/23/2020] [Accepted: 05/12/2020] [Indexed: 02/07/2023] Open
Abstract
The use of extracorporeal membrane oxygenation (ECMO) is increasing globally, although mortality in this setting remains high. Patients on ECMO may be potential organ donors in the context of withdrawal of life-sustaining measures (WLSM) or neurologic determination of death (NDD). Nevertheless, there are currently no Canadian standards to guide clinicians on NDD or WLSM for the purposes of organ donation in this patient population. Apnea testing remains fundamental to determining NDD and is an area where ECMO may alter routine procedures. In this review, we outline protocols for the performance of apnea testing and WLSM for patients supported with ECMO, highlighting important technical and physiologic considerations that may affect the determination of death. In addition, we review important considerations for NDD in ECMO, including management of potential confounders, strategies for controlling oxygen and carbon dioxide levels during apnea testing, and the appropriate use of ancillary tests to support NDD. In the context of ECMO support, there is limited evidence to guide NDD and WLSM for the purposes of organ donation. Drawing upon extensive clinical experience, we provide protocols for these processes and review other important considerations in an effort to maximize donor potential in this growing patient population.
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Affiliation(s)
- Shaurya Taran
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada.
- Interdepartmental Division of Critical Care, Li Ka Shing Knowledge Institute, University of Toronto, 204 Victoria Street, 4th Floor, Room 411, Toronto, ON, M5B 1T8, Canada.
| | - Andrew Steel
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
- Department of Anaesthesiology, University Health Network, Toronto, ON, Canada
- Trillium Gift of Life Network, Toronto, ON, Canada
| | - Andrew Healey
- Department of Medicine, McMaster University, Hamilton, ON, Canada
- Trillium Gift of Life Network, Toronto, ON, Canada
| | - Eddy Fan
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
- Department of Medicine, University Health Network, Toronto, ON, Canada
- Institute for Health Policy, Management, and Evaluation, University of Toronto, Toronto, ON, Canada
| | - Jeffrey M Singh
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
- Department of Medicine, University Health Network, Toronto, ON, Canada
- Trillium Gift of Life Network, Toronto, ON, Canada
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94
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Extracorporeal Life Support Organization Coronavirus Disease 2019 Interim Guidelines: A Consensus Document from an International Group of Interdisciplinary Extracorporeal Membrane Oxygenation Providers. ASAIO J 2020; 66:707-721. [PMID: 32604322 PMCID: PMC7228451 DOI: 10.1097/mat.0000000000001193] [Citation(s) in RCA: 249] [Impact Index Per Article: 62.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The Extracorporeal Life Support Organization (ELSO) Coronavirus Disease 2019 (COVID-19) Guidelines have been developed to assist existing extracorporeal membrane oxygenation (ECMO) centers to prepare and plan provision of ECMO during the ongoing pandemic. The recommendations have been put together by a team of interdisciplinary ECMO providers from around the world. Recommendations are based on available evidence, existing best practice guidelines, ethical principles, and expert opinion. This is a living document and will be regularly updated when new information becomes available. ELSO is not liable for the accuracy or completeness of the information in this document. These guidelines are not meant to replace sound clinical judgment or specialist consultation but rather to strengthen provision and clinical management of ECMO specifically, in the context of the COVID-19 pandemic.
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95
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Shekar K, Badulak J, Peek G, Boeken U, Dalton HJ, Arora L, Zakhary B, Ramanathan K, Starr J, Akkanti B, Antonini MV, Ogino MT, Raman L, Barret N, Brodie D, Combes A, Lorusso R, MacLaren G, Müller T, Paden M, Pellegrino V. Extracorporeal Life Support Organization Coronavirus Disease 2019 Interim Guidelines: A Consensus Document from an International Group of Interdisciplinary Extracorporeal Membrane Oxygenation Providers. ASAIO J 2020; 66:707-721. [PMID: 32604322 DOI: 10.1097/mat.000000000000119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023] Open
Abstract
Disclaimer: The Extracorporeal Life Support Organization (ELSO) Coronavirus Disease 2019 (COVID-19) Guidelines have been developed to assist existing extracorporeal membrane oxygenation (ECMO) centers to prepare and plan provision of ECMO during the ongoing pandemic. The recommendations have been put together by a team of interdisciplinary ECMO providers from around the world. Recommendations are based on available evidence, existing best practice guidelines, ethical principles, and expert opinion. This is a living document and will be regularly updated when new information becomes available. ELSO is not liable for the accuracy or completeness of the information in this document. These guidelines are not meant to replace sound clinical judgment or specialist consultation but rather to strengthen provision and clinical management of ECMO specifically, in the context of the COVID-19 pandemic.
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Affiliation(s)
- Kiran Shekar
- From Adult Intensive Care Services, The Prince Charles Hospital, Brisbane, Queensland, Australia
| | | | - Giles Peek
- University of Florida, Shands Hospital for Children, Gainesville, Florida
| | - Udo Boeken
- Department of Cardiac Surgery, University Hospital, Duesseldorf, Germany
| | | | - Lovkesh Arora
- University of Iowa Hospital & Clinics, Iowa City, Iowa
| | | | | | | | | | - M Velia Antonini
- 1st Intensive Care Unit, University Hospital of Parma, Parma, Italy
| | - Mark T Ogino
- Department of Paediatrics, Division of Neonatology, Nemours Alfred I duPont Hospital for Children, Wilmington, Delaware
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Lakshmi Raman
- University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - Daniel Brodie
- Columbia University Medical Center/New York-Presbyterian Hospital, New York, New York
| | - Alain Combes
- Assitance Publique-Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Paris, France
| | - Roberto Lorusso
- Maastricht University Medical Centre, Maastricht, The Netherlands
| | | | | | - Matthew Paden
- Department of Pediatrics, Emory University, Atlanta, Georgia
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96
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Sutiman N, Koh JC, Watt K, Hornik C, Murphy B, Chan YH, Lee JH. Pharmacokinetics Alterations in Critically Ill Pediatric Patients on Extracorporeal Membrane Oxygenation: A Systematic Review. Front Pediatr 2020; 8:260. [PMID: 32670992 PMCID: PMC7332755 DOI: 10.3389/fped.2020.00260] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 04/27/2020] [Indexed: 12/13/2022] Open
Abstract
Objectives: This study aimed to identify alterations in pharmacokinetics in children on extracorporeal membrane oxygenation (ECMO), identify knowledge gaps, and inform future pharmacology studies. Data Sources: We systematically searched the databases MEDLINE, CINAHL, and Embase from earliest publication until November 2018 using a controlled vocabulary and keywords related to "ECMO" and "pharmacokinetics," "pharmacology," "drug disposition," "dosing," and "pediatrics." Study Selection: Inclusion criteria were as follows: study population aged <18 years, supported on ECMO for any indications, received any medications while on ECMO, and reported pharmacokinetic data. Data Extraction: Clearance and/or volume of distribution values were extracted from included studies. Data Synthesis: Forty-one studies (total patients = 574) evaluating 23 drugs met the inclusion criteria. The most common drugs studied were antimicrobials (n = 13) and anticonvulsants (n = 3). Twenty-eight studies (68%) were conducted in children <1 year of age. Thirty-three studies (80%) were conducted without intra-study comparisons to non-ECMO controls. Increase in volume of distribution attributable to ECMO was demonstrated for nine (56%) drugs: cefotaxime, gentamicin, piperacillin/tazobactam, fluconazole, micafungin, levetiracetam, clonidine, midazolam, and sildenafil (range: 23-345% increase relative to non-ECMO controls), which may suggest the need for higher initial dosing. Decreased volume of distribution was reported for two drugs: acyclovir and ribavirin (50 and 69%, respectively). Decreased clearance was reported for gentamicin, ticarcillin/clavulanate, bumetanide, and ranitidine (range: 26-95% decrease relative to non-ECMO controls). Increased clearance was reported for caspofungin, micafungin, clonidine, midazolam, morphine, and sildenafil (range: 25-455% increase relative to non-ECMO controls). Conclusions: There were substantial pharmacokinetic alterations in 70% of drugs studied in children on ECMO. However, studies evaluating pharmacokinetic changes of many drug classes and those that allow direct comparisons between ECMO and non-ECMO patients are still lacking. Systematic evaluations of pharmacokinetic alterations of drugs on ECMO that incorporate multidrug opportunistic trials, physiologically based pharmacokinetic modeling, and other methods are necessary for definitive dose recommendations. Trial Registration Prospero Identifier: CRD42019114881.
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Affiliation(s)
| | - Janine Cynthia Koh
- Children's Intensive Care Unit, Department of Pediatrics, KK Women's and Children's Hospital, Singapore, Singapore
| | - Kevin Watt
- Department of Pediatrics, Duke University Medical Center, Durham, NC, United States
- Duke Clinical Research Institute, Durham, NC, United States
| | - Christoph Hornik
- Department of Pediatrics, Duke University Medical Center, Durham, NC, United States
- Duke Clinical Research Institute, Durham, NC, United States
| | - Beverly Murphy
- Duke University Medical Center Library and Archives, Durham, NC, United States
| | - Yoke Hwee Chan
- Duke-NUS Medical School, Singapore, Singapore
- Children's Intensive Care Unit, Department of Pediatrics, KK Women's and Children's Hospital, Singapore, Singapore
| | - Jan Hau Lee
- Duke-NUS Medical School, Singapore, Singapore
- Children's Intensive Care Unit, Department of Pediatrics, KK Women's and Children's Hospital, Singapore, Singapore
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97
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Liu D, Chen W, Wang Q, Li M, Zhang Z, Cui G, Li P, Zhang X, Ma Y, Zhan Q, Wang C. Influence of venovenous extracorporeal membrane oxygenation on pharmacokinetics of vancomycin in lung transplant recipients. J Clin Pharm Ther 2020; 45:1066-1075. [PMID: 32542736 DOI: 10.1111/jcpt.13163] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 04/05/2020] [Accepted: 04/15/2020] [Indexed: 12/15/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE The influence of venovenous extracorporeal membrane oxygenation (VV-ECMO) on the population pharmacokinetics (PPK) of vancomycin in recipients after lung transplantation (LTx) is unknown. We investigated whether VV-ECMO influences vancomycin PPK and determined optimal recommended dosage for patients after LTx. METHODS We tested vancomycin serum concentration and calculated PPK parameters using NONMEM. To check for any potential influence of ECMO on vancomycin PK, we compared ECMO patients with a non-ECMO patient control group, and patients before and after ECMO weaning as self-control to analysed changes in vancomycin PK. Monte Carlo dosing simulation was conducted to explore vancomycin dosing regimens. RESULTS Nineteen ECMO and 6 non-ECMO lung transplant recipients were enrolled. Vancomycin serum concentrations did not significantly differ between patients with and without ECMO support. Comparison of separate vancomycin population pharmacokinetic models showed that ECMO patients had smaller peripheral compartment volume of distribution (V2 ) [Estimate (relative standard error, RSE, %) 19.7 (12) vs. 22 (17) L, P = .003] than non-ECMO patients. For treatment of methicillin-resistant Staphylococcus aureus (MRSA) infections with MIC ≤ 0.5 µg/mL, venous infusion of 400 mg vancomycin every 8 hours was recommended. For MRSA infection with MIC ≤ 1 µg/mL, the proposed dosage was 600 mg every 8 hours. WHAT IS NEW AND CONCLUSION Venovenous extracorporeal membrane oxygenation slightly alters vancomycin PK but does not significantly impact vancomycin serum concentration in patients after LTx. Dose adjustment is not necessary for VV-ECMO support. Specific vancomycin dosing regimens with lower nephrotoxicity may benefit LTx recipients with VV-ECMO.
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Affiliation(s)
- Donglin Liu
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Capital Medical University, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China
| | - Wenqian Chen
- Department of Pharmacy, China-Japan Friendship Hospital, Beijing, China
| | - Qianlin Wang
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Capital Medical University, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Min Li
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Capital Medical University, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China
| | - Zhu Zhang
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Capital Medical University, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Gang Cui
- Department of Pharmacy, China-Japan Friendship Hospital, Beijing, China
| | - Pengmei Li
- Department of Pharmacy, China-Japan Friendship Hospital, Beijing, China
| | - Xianglin Zhang
- Department of Pharmacy, China-Japan Friendship Hospital, Beijing, China
| | - Yi Ma
- School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Qingyuan Zhan
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Capital Medical University, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Chen Wang
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Capital Medical University, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China.,Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
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98
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Mané C, Delmas C, Porterie J, Jourdan G, Verwaerde P, Marcheix B, Concordet D, Georges B, Ruiz S, Gandia P. Influence of extracorporeal membrane oxygenation on the pharmacokinetics of ceftolozane/tazobactam: an ex vivo and in vivo study. J Transl Med 2020; 18:213. [PMID: 32460856 PMCID: PMC7251674 DOI: 10.1186/s12967-020-02381-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 05/16/2020] [Indexed: 02/07/2023] Open
Abstract
Background Extracorporeal membrane oxygenation (ECMO) is increasingly used in intensive care units and can modify drug pharmacokinetics and lead to under-exposure associated with treatment failure. Ceftolozane/tazobactam is an antibiotic combination used for complicated infections in critically ill patients. Launched in 2015, sparse data are available on the influence of ECMO on the pharmacokinetics of ceftolozane/tazobactam. The aim of the present study was to determine the influence of ECMO on the pharmacokinetics of ceftolozane-tazobactam. Methods An ex vivo model (closed-loop ECMO circuits primed with human whole blood) was used to study adsorption during 8-h inter-dose intervals over a 24-h period (for all three ceftolozane/tazobactam injections) with eight samples per inter-dose interval. Two different dosages of ceftolozane/tazobactam injection were studied and a control (whole blood spiked with ceftolozane/tazobactam in a glass tube) was performed. An in vivo porcine model was developed with a 1-h infusion of ceftolozane–tazobactam and concentration monitoring for 11 h. Pigs undergoing ECMO were compared with a control group. Pharmacokinetic analysis of in vivo data (non-compartmental analysis and non-linear mixed effects modelling) was performed to determine the influence of ECMO. Results With the ex vivo model, variations in concentration ranged from − 5.73 to 1.26% and from − 12.95 to − 2.89% respectively for ceftolozane (concentrations ranging from 20 to 180 mg/l) and tazobactam (concentrations ranging from 10 to 75 mg/l) after 8 h. In vivo pharmacokinetic exploration showed that ECMO induces a significant decrease of 37% for tazobactam clearance without significant modification in the pharmacokinetics of ceftolozane, probably due to a small cohort size. Conclusions Considering that the influence of ECMO on the pharmacokinetics of ceftolozane/tazobactam is not clinically significant, normal ceftolozane and tazobactam dosing in critically ill patients should be effective for patients undergoing ECMO.
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Affiliation(s)
- Camille Mané
- Pharmacokinetics and Toxicology Laboratory, Toulouse University Hospital, Toulouse, France.,INTHERES, INRAE, ENVT, Université de Toulouse, Toulouse, France
| | - Clément Delmas
- Intensive Cardiac Care Unit, Rangueil University Hospital, Toulouse, France.,Institute of Metabolic and Cardiovascular Diseases (I2MC), UMR-1048, National Institute of Health and Medical Research (INSERM), Toulouse, France
| | - Jean Porterie
- Institute of Metabolic and Cardiovascular Diseases (I2MC), UMR-1048, National Institute of Health and Medical Research (INSERM), Toulouse, France.,Cardiovascular Surgery Unit, Rangueil University Hospital, Toulouse, France
| | - Géraldine Jourdan
- Critical and Intensive Care Unit, Stomalab UMR 5273 CNRS/UPS-EFS-ENVT-INSERM U1031, Toulouse School of Veterinary Medicine, Toulouse, France
| | - Patrick Verwaerde
- Anesthesia-Emergency-Intensive Care Department, UPEC/IMRB-Inserm U955, Alfort School of Veterinary Medicine, Maisons-Alfort, France
| | - Bertrand Marcheix
- Cardiovascular Surgery Unit, Rangueil University Hospital, Toulouse, France
| | | | - Bernard Georges
- Anesthesia-General Intensive Care Division, Rangueil General Intensive Care Department, Toulouse University Hospital, Toulouse, France
| | - Stéphanie Ruiz
- Anesthesia-General Intensive Care Division, Rangueil General Intensive Care Department, Toulouse University Hospital, Toulouse, France
| | - Peggy Gandia
- Pharmacokinetics and Toxicology Laboratory, Toulouse University Hospital, Toulouse, France. .,INTHERES, INRAE, ENVT, Université de Toulouse, Toulouse, France.
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Abstract
Sepsis is being recognized as an important complication of extracorporeal membrane oxygenation (ECMO) and its presence is a poor prognostic marker and increases the overall mortality. The survival rate differs in the various types of cannulation techniques. Adult patients with prolonged duration of ECMO constitute the major risk population. Ventilator-associated pneumonia and bloodstream infections form the main sources of sepsis in these patients. It is important to know the most common etiological agents for sepsis in ECMO, which varies partly with the local epidemiology of the hospitals. A high index of suspicion, drawing adequate volumes for blood culture and early and timely administration of appropriate empirical antimicrobials can substantially decrease the morbidity and mortality in this high-risk population. The dosing of antimicrobials is influenced by the pharmacological variations on ECMO machine and is an important consideration. Infection control practices are of paramount importance and need to be followed meticulously to prevent sepsis in ECMO.
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100
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Kang S, Jang JY, Hahn J, Kim D, Lee JY, Min KL, Yang S, Wi J, Chang MJ. Dose Optimization of Cefpirome Based on Population Pharmacokinetics and Target Attainment during Extracorporeal Membrane Oxygenation. Antimicrob Agents Chemother 2020; 64:e00249-20. [PMID: 32122899 PMCID: PMC7179593 DOI: 10.1128/aac.00249-20] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 02/26/2020] [Indexed: 12/12/2022] Open
Abstract
To obtain the optimal dosage regimen in patients receiving extracorporeal membrane oxygenation (ECMO), we developed a population pharmacokinetics model for cefpirome and performed pharmacodynamic analyses. This prospective study included 15 patients treated with cefpirome during ECMO. Blood samples were collected during ECMO (ECMO-ON) and after ECMO (ECMO-OFF) at predose and 0.5 to 1, 2 to 3, 4 to 6, 8 to 10, and 12 h after cefpirome administration. The population pharmacokinetic model was developed using nonlinear mixed effects modeling and stepwise covariate modeling. Monte Carlo simulation was used to assess the probability of target attainment (PTA) and cumulative fraction of response (CFR) according to the MIC distribution. Cefpirome pharmacokinetics were best described by a two-compartment model. Covariate analysis indicated that serum creatinine concentration (SCr) was negatively correlated with clearance, and the presence of ECMO increased clearance and the central volume of distribution. The simulations showed that patients with low SCr during ECMO-ON had lower PTA than patients with high SCr during ECMO-OFF; so, a higher dosage of cefpirome was required. Cefpirome of 2 g every 8 h for intravenous bolus injection or 2 g every 12 h for extended infusion over 4 h was recommended with normal kidney function receiving ECMO. We established a population pharmacokinetic model for cefpirome in patients with ECMO, and appropriate cefpirome dosage regimens were recommended. The impact of ECMO could be due to the change in patient status on consideration of the small population and uncertainty in covariate relationships. Dose optimization of cefpirome may improve treatment success and survival in patients receiving ECMO. (This study has been registered at ClinicalTrials.gov under identifier NCT02581280.).
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Affiliation(s)
- Soyoung Kang
- Department of Pharmaceutical Medicine and Regulatory Science, Yonsei University, Incheon, Republic of Korea
| | - June Young Jang
- Department of Pharmacy and Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Republic of Korea
| | - Jongsung Hahn
- Department of Pharmacy and Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Republic of Korea
| | - Dasohm Kim
- Department of Pharmaceutical Medicine and Regulatory Science, Yonsei University, Incheon, Republic of Korea
| | - Jun Yeong Lee
- Graduate Program of Industrial Pharmaceutical Science, Yonsei University, Incheon, Republic of Korea
| | - Kyoung Lok Min
- Department of Pharmaceutical Medicine and Regulatory Science, Yonsei University, Incheon, Republic of Korea
| | - Seungwon Yang
- Department of Pharmacy and Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Republic of Korea
- Graduate Program of Industrial Pharmaceutical Science, Yonsei University, Incheon, Republic of Korea
| | - Jin Wi
- Division of Cardiology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Republic of Korea
- Division of Cardiology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Min Jung Chang
- Department of Pharmaceutical Medicine and Regulatory Science, Yonsei University, Incheon, Republic of Korea
- Department of Pharmacy and Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Republic of Korea
- Graduate Program of Industrial Pharmaceutical Science, Yonsei University, Incheon, Republic of Korea
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