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The need for cost-effectiveness analyses of antimicrobial stewardship programmes: A structured review
Journal article   Peer reviewed

The need for cost-effectiveness analyses of antimicrobial stewardship programmes: A structured review

S Coulter, Katharina Merollini, J A Roberts, N Graves and K Halton
International Journal of Antimicrobial Agents, Vol.46(2), pp.140-149
2015
DOI: https://doi.org/10.1016/j.ijantimicag.2015.04.007
url
https://doi.org/10.1016/j.ijantimicag.2015.04.007View
Published Version

Abstract

cost effectiveness antimicrobial stewardship rapid technology economic evaluation
The cost effectiveness of antimicrobial stewardship (AMS) programmes was reviewed in hospital settings of Organisation for Economic Co-operation and Development (OECD) countries, and limited to adult patient populations. In each of the 36 studies, the type of AMS strategy and the clinical and cost outcomes were evaluated. The main AMS strategy implemented was prospective audit with intervention and feedback (PAIF), followed by the use of rapid technology, including rapid polymerase chain reaction (PCR)-based methods and matrix-assisted laser desorption/ionisation time-of-flight (MALDI-TOF) technology, for the treatment of bloodstream infections. All but one of the 36 studies reported that AMS resulted in a reduction in pharmacy expenditure. Among 27 studies measuring changes to health outcomes, either no change was reported post-AMS, or the additional benefits achieved from these outcomes were not quantified. Only two studies performed a full economic evaluation: one on a PAIF-based AMS intervention; and the other on use of rapid technology for the selection of appropriate treatment for serious Staphylococcus aureus infections. Both studies found the interventions to be cost effective. AMS programmes achieved a reduction in pharmacy expenditure, but there was a lack of consistency in the reported cost outcomes making it difficult to compare between interventions. A failure to capture complete costs in terms of resource use makes it difficult to determine the true cost of these interventions. There is an urgent need for full economic evaluations that compare relative changes both in clinical and cost outcomes to enable identification of the most cost-effective AMS strategies in hospitals. © 2015 Elsevier B.V. and the International Society of Chemotherapy.

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Infectious Diseases
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