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Published on: March 2, 2020
In vitro susceptibilities of Mycoplasma hominis to six fluoroquinolones as determined by E test
K B Waites1, K C Canupp, G E Kenny
1Departments of Pathology, University of Alabama at Birmingham, Birmingham, Alabama 35233, USA. waites@path.uab.edu
Abstract:
Twenty isolates of Mycoplasma hominis were tested for their susceptibility to six fluoroquinolones by the E test. The MICs at which 90% of the isolates were inhibited (in micrograms per milliliter) were as follows: sparfloxacin, 0.031; clinafloxacin, moxifloxacin, and trovafloxacin, 0.063; levofloxacin, 0.25; and ciprofloxacin, 0.5. Increasing the amount of inoculum or incubation in CO(2) elevated MICs by =1 dilution. E tests produce fluoroquinolone MICs comparable to those obtained by agar and microbroth dilution for M. hominis.

