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Provisional quality control parameters and interpretive criteria for testing susceptibility of Streptococcus pneumoniae and Haemophilus influenzae to quinupristin/dalfopristin (RP59500).
TLDR
Studies were undertaken to select tentative criteria for susceptibility testing of quinupristin/dalfopristin against Streptococcus pneumoniae and Haemophilus influenzae, finding that disk tests were very reproducible but not yet recommended.
Interpretive criteria and quality control for antimicrobial susceptibility tests of levofloxacin
TLDR
Preliminary interpretive breakpoints for prototype 5 µg levofloxacin disks can be used with interpretive criteria of ≤ 12 mm for resistant (MIC ≥ 8.0 µg/ml) and ≥ 16 mm for susceptible (MIC ≤ 2.0 mm) for in vitro susceptibility testing.
Comparative antimicrobial activities of the penem WY-49605 (SUN5555) against recent clinical isolates from five U.S. medical centers
The in vitro activity of WY-49605 (SUN5555) (WY) was compared with those of cefaclor, cefixime, and amoxicillin-clavulanic acid against 2,958 consecutive clinical isolates from five medical centers
Relative efficacy of tazobactam, sulbactam and clavulanic acid in enhancing the potency of ampicillin against clinical isolates ofEnterobacteriaceae
Three beta-lactamase inhibitors were combined with ampicillin in a fixed 2:1 ratio. The activity of ampicillin was enhanced by tazobactam and by clavulanic acid, and to a lesser extent by sulbactam
Provisional quality control parameters and interpretive criteria for testing susceptibility ofStreptococcus pneumoniae andHaemophilus influenzae to quinupristin/dalfopristin (RP59500)
TLDR
Studies were undertaken to select tentative criteria for susceptibility testing of quinupristin/dalfopristin against Streptococcus pneumoniae andHaemophilus influenzae and found that disk tests were very reproducible but are not yet recommended.
Ampicillin-sulbactam susceptibility testing criteria
TLDR
In vitro studies in five different medical centers documented the susceptibility of 2,440 consecutive isolates of theEnterobacteriaceae against ampicillin-sulbactam disks of different potencies, finding that the reliability of the disk test actually diminished when the amount of sul bactam in the disk was increased.