• Susan J Lewis and Bruce A Mueller.
• Department of Clinical, Social, and Administrative Sciences, University of Michigan College of Pharmacy, Ann Arbor, MI, USA.
• J Intensive Care Med. 2016 Mar 1; 31 (3): 164-76.

AbstractIncreasing evidence suggests that antibiotic dosing in critically ill patients with acute kidney injury (AKI) often does not achieve pharmacodynamic goals, and the continued high mortality rate due to infectious causes appears to confirm these findings. Although there are compelling reasons why clinicians should use more aggressive antibiotic dosing, particularly in patients receiving aggressive renal replacement therapies, concerns for toxicity associated with higher doses are real. The presence of multisystem organ failure and polypharmacy predispose these patients to drug toxicity. This article examines the pharmacokinetic and pharmacodynamic consequences of critical illness, AKI, and renal replacement therapy and describes potential solutions to help clinicians give "enough but not too much" in these very complicated patients. © The Author(s) 2014.

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