ARMOR STUDY ANALYZES METHICILLIN RESISTANCE

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Bausch + Lomb, announced the results from the ninth consecutive year of the multicenter ARMOR (Antibiotic Resistance Monitoring in Ocular MicRoorganisms) surveillance study at the recent ARVO 2018 Annual Meeting in Honolulu, HI.

In the nine-year trend analysis, researchers reported that resistance in Staphylococcus aureus infections declined from 39% to 14%, while more than half the cases of coagulase-negative staphylococci (CoNS) demonstrated continued methicillin resistance.

Further analysis showed decreased resistance among S. aureus to azithromycin (62% to 52%), ciprofloxacin (39% to 16%), tobramycin (24% to 6%), and chloramphenicol (6.6% to 4.4%), and among CoNS to ciprofloxacin (46% to 22%). As in previous years, a high proportion of methicillin-resistant staphylococci demonstrated multidrug resistance (three or more antibiotic classes), although none were vancomycin-resistant.

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