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β-内酰胺酶抑制剂增强β-内酰胺类抗生素与达托霉素对耐甲氧西林金黄色葡萄球菌的协同作用。

β-Lactamase Inhibitors Enhance the Synergy between β-Lactam Antibiotics and Daptomycin against Methicillin-Resistant Staphylococcus aureus.

作者信息

Henson Karl Evans R, Yim Juwon, Smith Jordan R, Sakoulas George, Rybak Michael J

机构信息

Division of Infectious Diseases, Wayne State University and Detroit Medical Center, Detroit, Michigan, USA.

Anti-infective Research Laboratory, Department of Pharmacy Practice, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, Michigan, USA.

出版信息

Antimicrob Agents Chemother. 2016 Dec 27;61(1). doi: 10.1128/AAC.01564-16. Print 2017 Jan.

Abstract

The evidence for using combination therapy for the treatment of serious methicillin-resistant Staphylococcus aureus (MRSA) infections is growing. In this study, we investigated the synergistic effect of daptomycin (DAP) combined with piperacillin-tazobactam and ampicillin-sulbactam against MRSA in time-kill experiments. Six of eight strains demonstrated synergy between DAP and the β-lactam-β-lactamase inhibitor (BLI) combination. In 5/8 strains, the synergy occurred only in the presence of the BLI, highlighting a role for BLIs in peptide-β-lactam synergy.

摘要

使用联合疗法治疗严重耐甲氧西林金黄色葡萄球菌(MRSA)感染的证据越来越多。在本研究中,我们在时间杀菌实验中研究了达托霉素(DAP)与哌拉西林 - 他唑巴坦以及氨苄西林 - 舒巴坦联合对MRSA的协同作用。8株菌株中有6株显示DAP与β-内酰胺 - β-内酰胺酶抑制剂(BLI)组合之间存在协同作用。在8株菌株中的5株中,协同作用仅在BLI存在时发生,突出了BLI在肽 - β-内酰胺协同作用中的作用。

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