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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Pharmacokinetics of piperacillin in critically ill Australian Indigenous patients with severe sepsis
Antimicrobial Agents and Chemotherapy, Volume 60, No. 12, Year 2016
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Description
There are no available pharmacokinetic data to guide piperacillin dosing in critically ill Australian Indigenous patients despite numerous reported physiological differences. This study aimed to describe the population pharmacokinetics of piperacillin in critically ill Australian Indigenous patients with severe sepsis. A population pharmacokinetic study of Indigenous patients with severe sepsis was conducted in a remote hospital intensive care unit. Plasma samples were collected over two dosing intervals and assayed by validated chromatography. Population pharmacokinetic modeling was conducted using Pmetrics. Nine patients were recruited, and a two-compartment model adequately described the data. The piperacillin clearance (CL), volume of distribution of the central compartment (Vc), and distribution rate constants from the central to the peripheral compartment and from the peripheral to the central compartment were 5.6 ± 3.2 liters/h, 14.5 ± 6.6 liters, 1.5 ± 0.4 h-1, and 1.8 ± 0.9 h-1, respectively, where CL and Vc were found to be described by creatinine clearance (CLCR) and total body weight, respectively. In this patient population, piperacillin demonstrated high interindividual pharmacokinetic variability. CLCR was found to be the most important determinant of piperacillin pharmacokinetics. © Crown copyright 2016.
Authors & Co-Authors
Wallis, Steven C.
Australia, Brisbane
The University of Queensland
Lipman, Jeffrey
Australia, Brisbane
The University of Queensland
Australia, Brisbane
Royal Brisbane and Women's Hospital
Roberts, Jason A.
Australia, Brisbane
The University of Queensland
Australia, Brisbane
Royal Brisbane and Women's Hospital
Statistics
Citations: 14
Authors: 3
Affiliations: 5
Identifiers
Doi:
10.1128/AAC.01657-16
ISSN:
00664804
Research Areas
Health System And Policy
Study Design
Cross Sectional Study