2015
DOI: 10.1097/ico.0000000000000352
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Seasonal, Geographic, and Antimicrobial Resistance Patterns in Microbial Keratitis

Abstract: Most infectious keratitis occurred in nonwinter months and in patients from suburban counties. Although fluoroquinolones were effective against the most common bacteria, staphylococcal species exhibited a high rate of resistance, representing a therapeutic challenge given the increasing use of fluoroquinolones as first-line monotherapy. No organisms tested were resistant to tobramycin, gentamicin, vancomycin, or voriconazole.

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Cited by 77 publications
(68 citation statements)
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References 33 publications
(32 reference statements)
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“…1 In tropical regions, fungal keratitis comprise almost 40% of all microbial keratitis, 2 while in temperate climates, bacterial infections are more prevalent. 3 For non-severe ulcers, empirical treatment may be started. 4 The standard of care involves a microbiological work up to determine the possible organism causing the infection followed by commencement of appropriate therapy which may be modified based on culture and sensitivity reports.…”
mentioning
confidence: 99%
“…1 In tropical regions, fungal keratitis comprise almost 40% of all microbial keratitis, 2 while in temperate climates, bacterial infections are more prevalent. 3 For non-severe ulcers, empirical treatment may be started. 4 The standard of care involves a microbiological work up to determine the possible organism causing the infection followed by commencement of appropriate therapy which may be modified based on culture and sensitivity reports.…”
mentioning
confidence: 99%
“…5 High levels of methicillin resistance were also reported for S. aureus (51.9%) and S. 8 MRSA infection and other multidrug-resistant bacterial pathogens can be detrimental to vision and represent a major therapeutic challenge. 3,9 There is a paucity of studies that monitor antibiotic resistance among ocular bacteria, and this represents a substantial unmet need. This article aims to describe ocular antibiotic resistance surveillance programs in the US, and to present the latest findings of the Antibiotic Resistance Monitoring in Ocular micRoorganisms (ARMOR) study, the only nationwide ongoing surveillance study specific to ocular bacterial pathogens.…”
mentioning
confidence: 99%
“…Unfortunately the frequent irrational use of topical and systemic antibiotics has lead to microorganism's resistant to the more frequently used antibiotics such as Quinolones and Amino glycosides [9,[16][17][18]. The fact that newer antibiotics as Quinolones became resistant, confirms that topical instillation may lead to resistancy.…”
Section: Discussionmentioning
confidence: 94%
“…The antibiograms of the current study confirm that bacterial sensitivity is really limited to the frequently used antibiotics. In corneal ulcers the most common Gram+ bacterium found was CNS that remained sensitive to Vancomycin, a hospital administered medication [1,12,18]. Its sensitivity to other antibiotics was more limited.…”
Section: Discussionmentioning
confidence: 99%
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