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, 2017)
Bacteria
#
VAN GEN CIP OFX CEF AMK CAZ METH AMP CLIN GAT MOX
Coag-Neg Staphylococcus 394 100 87 49 46 98 97 72 55 18 82 69
(216)
65
(216)
Staphylococcus aureus 71 100 93 49 45 82 79 69 69 13 60 48
(33)
52
(33)
Streptococcus species 147 100 46 81 92 93 15 90 -- 94 80 95
(85)
96
(85)
Gram-Negative Bacteria 55 13 95 93 92 31 96 95 -- 33 10 91
(34)
91
(34)
Other Gram-Positive Bacteria 41 95 80 82 78 68 83 53 -- 63 80 86
(22)
82
(22)
 
* 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; GAT=Gatifloxacin; MOX=Moxifloxacin; (--)=not done; (#) for GAT and MOX= # isolates tested.

 

Susceptibility* of Gram Negative Isolates from Endophthalmitis to Common Antibiotics
(Percent Susceptible)(1993 to January 1, 2017)
Bacteria
#
GEN CIP OFX AMK CAZ GAT MOX
Acinetobacter lwoffii 1 100 100 -- 100 100 -- --
Achromobacter xylosoxidans 1 0 100 100 0 100 100 --
Burkholderia cepacia 1 100 100 100 100 0 -- --
Enterobacter aerogenes 2 100 100 100 100 100 100 100
Enterobacter agglomerans 2 100 100 100 100 100 100(1) 100(1)
Escherichia coli 1 100 100 100 100 100 -- --
Flavimonas oryzihabitans 2 100 100 100(1) 100 100 100(1) 100(1)
Hafnia alvei 1 100 100 100 100 100 100 100
Haemophilus species 8 88 100 100(7) 71 86 100(4) 100(4)
Klebsiella pneumoniae 1 100 100 100 100 100 100 100
Moraxella species 4 100 100 100 100(2) 100 100(2) 100(2)
Morganella morgannii 4 75 37 67(3) 100 50 67(3) 67(3)
Neisseria species 1 100 100 100 100 100 100 100
Proteus mirabilis 2 100 100 100 100 100 100(1) 100(1)
Proteus vulgaris 1 100 100 100 100 100 100 100
Pseudomonas aeruginosa 7 86 86 75(4) 86 86 66(3) 66(3)
Pseudomonas fluorescens 1 100 100 100 100 100 100 100
Pseudomonas putida 1 100 100 100 100 100 100 100
Pseudomonas testeroni 1 100 100 100 100 100 -- --
Pseudomonas vesicularis 1 100 0 0 100 100 100 100
Serratia marcescens 7 100 86 100 100 100 100(4) 100(4)
Stenotrophomonas maltophilia 2 100 50 50 100 100 100(1) 100(1)
 
* Disk diffusion susceptibilities based on CLSI/NCCLS serum standards.
GEN=Gentamicin; CIP=Ciprofloxacin; OFX=Ofloxacin; AMK=Amikacin; CAZ=Ceftazidime; GAT=Gatifloxacin; MOX=Moxifloxacin; (--)=not done; (#) for GAT and MOX= # isolates tested.

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