Staphylococcal biofilm: penetration and bioavailability of vancomycin with or without rifampin

被引:0
|
作者
Daffinee, Kathryn E. [1 ]
O'Neill, Emily T. [1 ,2 ]
Bleick, Callan R. [2 ]
Williams, Geoff [3 ]
Antoci, Valentin [4 ,5 ]
Garcia, Dioscaris [4 ,5 ]
LaPlante, Kerry L. [1 ,2 ,6 ]
机构
[1] Providence Vet Affairs Med Ctr, Infect Dis Res Program, Providence, RI 02908 USA
[2] Univ Rhode Isl, Coll Pharm, 02881, Ri, Kingston, Jamaica
[3] Brown Univ, Leduc Bioimaging Facil, Div Biol & Med, Providence, RI USA
[4] Brown Univ, Warren Alpert Sch Med, Dept Orthopaed, Providence, RI USA
[5] Rhode Isl Hosp, Diane N Weiss Ctr Orthopaed Trauma Res, Providence, RI USA
[6] Brown Univ, Warren Alpert Med Sch, Div Infect Dis, Providence, RI 02912 USA
关键词
Staphylococcus epidermidis; Biofilm; Vancomycin; Rifampin; Microscopy; AUREUS BACTEREMIA; EPIDERMIDIS; DAPTOMYCIN; THERAPY;
D O I
10.1016/j.diagmicrobio.2023.115947
中图分类号
R51 [传染病];
学科分类号
100401 ;
摘要
We measured antibiotic penetration and bioavailability in staphylococcus biofilms using simulated human-ized concentrations of fluorescent vancomycin plus or minus rifampin. Vancomycin percent recovery across biofilm layers was:upper = 46%, middle = 40%, and lower = 33%. Vancomycin plus rifampin was not signifi-cantly different (P = 0.65). Addition of rifampin did not improve vancomycin penetration across biofilm layers.Published by Elsevier Inc.
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页数:3
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