The Charles T. Campbell Eye Microbiology Lab
UPMCUniversity of Pittsburgh Schools of the Health Sciences
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Antibiotic Susceptibility: Endophthalmitis


Susceptibility of Bacterial Isolates from Endophthalmitis to Common Antibiotics
(Percent Susceptible) (1993- January 1, 2019)
Bacteria
#
VAN GEN CIP OFX CEF AMK CAZ METH AMP CLIN MOX
Coag-Neg Staphylococcus 419 100 87 50 46 98 97 73 54 18 82 65
(240)
Staphylococcus aureus 77 100 93 51 47 82 80 68 65 13 63 56
(39)
Streptococcus species 157 100 46 81 92 94 15 90 -- 94 79 97
(95)
Gram-Negative Bacteria 58 12 95 93 92 32 96 95 -- 32 10 92
(37)
Other Gram-Positive Bacteria 45 96 82 84 80 71 84 52 -- 66 77 85
(26)
 
* Disk diffusion susceptibilities based on CLSI/NCCLS serum standards.

VAN=Vancomycin; GEN=Gentamicin; CIP=Ciprofloxacin; OFX=Ofloxacin; CEF=Cefazolin; AMK=Amikacin; CAZ=Ceftazidime; METH=Methicillin; AMP=Ampicillin; CLIN=Clindamicin; MOX=Moxifloxacin; (--)=not done; (#) MOX= # isolates tested.

 

Susceptibility* of Gram Negative Isolates from Endophthalmitis to Common Antibiotics
(Percent Susceptible)(1993 to January 1, 2019)
Bacteria
#
GEN CIP OFX AMK CAZ MOX
Acinetobacter lwoffii 1 100 100 -- 100 100 --
Achromobacter xylosoxidans 1 0 100 100 0 100 --
Burkholderia cepacia 1 100 100 100 100 0 --
Enterobacter aerogenes 2 100 100 100 100 100 100
Enterobacter agglomerans 2 100 100 100 100 100 100(1)
Escherichia coli 1 100 100 100 100 100 --
Flavimonas oryzihabitans 2 100 100 100(1) 100 100 100(1)
Hafnia alvei 1 100 100 100 100 100 100
Haemophilus species 8 88 100 100(7) 71 86 100(4)
Klebsiella pneumoniae 1 100 100 100 100 100 100
Moraxella species 4 100 100 100 100(2) 100 100(2)
Morganella morgannii 4 75 37 67(3) 100 50 67(3)
Neisseria species 1 100 100 100 100 100 100
Proteus mirabilis 2 100 100 100 100 100 100(1)
Proteus vulgaris 1 100 100 100 100 100 100
Pseudomonas aeruginosa 7 86 86 75(4) 86 86 66(3)
Pseudomonas fluorescens 1 100 100 100 100 100 100
Pseudomonas putida 1 100 100 100 100 100 100
Pseudomonas testeroni 1 100 100 100 100 100 --
Pseudomonas vesicularis 1 100 0 0 100 100 100
Ralstonia picketti 1 100 100 100 100 100 100(1)
Serratia marcescens 9 100 89 100 100 100 100(6)
Stenotrophomonas maltophilia 2 100 50 50 100 100 100(1)
 
* Disk diffusion susceptibilities based on CLSI/NCCLS serum standards.
GEN=Gentamicin; CIP=Ciprofloxacin; OFX=Ofloxacin; AMK=Amikacin; CAZ=Ceftazidime; MOX=Moxifloxacin; (--)=not done; (#) for MOX= # isolates tested.

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