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J Thorac Dis. 2018 Mar;10(Suppl 5):S629-S641. doi: 10.21037/jtd.2017.09.154.

Optimising drug dosing in patients receiving extracorporeal membrane oxygenation.

Author information

1
Faculty of Medicine, The University of Queensland, UQ Centre for Clinical Research, Brisbane, Australia.
2
School of Pharmacy, International Islamic University Malaysia, Kuantan, Malaysia.
3
Department of Intensive Care Medicine, Royal Brisbane and Women's Hospital, Brisbane, Australia.
4
Department of Pharmacy, Royal Brisbane and Women's Hospital, Brisbane, Australia.
5
Centre for Translational Anti-infective Pharmacodynamics, School of Pharmacy, The University of Queensland, Brisbane, Australia.
6
Adult Intensive Care Services, the Prince Charles Hospital, Chermside, Australia.
7
Critical Care Research Group, Centre of Research Excellence for Advanced Cardio-respiratory Therapies Improving OrgaN Support (ACTIONS) and the University of Queensland, Brisbane, Australia.

Abstract

Optimal pharmacological management during extracorporeal membrane oxygenation (ECMO) involves more than administering drugs to reverse underlying disease. ECMO is a complex therapy that should be administered in a goal-directed manner to achieve therapeutic endpoints that allow reversal of disease and ECMO wean, minimisation of complications (treatment of complications when they do occur), early interruption of sedation and rehabilitation, maximising patient comfort and minimising risks of delirium. ECMO can alter both the pharmacokinetics (PK) and pharmacodynamics (PD) of administered drugs and our understanding of these alterations is still evolving. Based on available data it appears that modern ECMO circuitry probably has a less significant impact on PK when compared with critical illness itself. However, these findings need further confirmation in clinical population PK studies and such studies are underway. The altered PD associated with ECMO is less understood and more research is indicated. Until robust dosing guidelines become available, clinicians will have to rely on the principles of drug dosing in critically ill and known PK alterations induced by ECMO itself. This article summarises the PK alterations and makes preliminary recommendations on possible dosing approaches.

KEYWORDS:

Extracorporeal membrane oxygenation (ECMO); antibiotics; pharmacodynamics (PD); pharmacology; sedatives

Conflict of interest statement

Conflicts of Interest: The authors have no conflicts of interest to declare.

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