VIDEO: ARMOR shows methicillin resistance usually marker for multidrug resistance
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Key takeaways:
- Methicillin-resistant organisms have decreased.
- Eighty percent of methicillin-resistant organisms are going to be multidrug resistant.
NEW ORLEANS — In this Healio Video Perspective from the ARVO meeting, Penny A. Asbell, MD, FACS, MBA, explains that while MRSA has decreased, it is often still multidrug resistant.
“There’s actually some good news here,” Asbell said in reference to new data in the 14-year update to the ARMOR surveillance study. Staphylococcus aureus has actually gone down about 50%, and coagulase-negative Staph is 40% methicillin resistant. “But the real take-home message is that if an organism is methicillin resistant, whether it’s Staph aureus or coagulase-negative Staph, it is likely to be multidrug resistant, meaning it is resistant to at least three other classes of antibiotics.”
“If it’s methicillin resistant, 80% of those are going to be multidrug resistant, so keep that in mind as you are thinking about how best to treat a patient,” she said.
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Asbell P, et al. Longitudinal analysis of in vitro antibiotic resistance rates among ocular staphylococci collected in the ARMOR study. Presented at: Association for Research in Vision and Ophthalmology meeting; April 23-27, 2023; New Orleans.
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