The Charles T. Campbell Eye Microbiology Lab
UPMC | University of Pittsburgh Medical CenterUniversity of Pittsburgh Schools of the Health Sciences
HomeAbout UsLab Diagnostic TestingAntibiotic SusceptibilityAntimicrobial TherapyCurrent ResearchContact Us
 


Antibiotic Susceptibility: Keratitis


Susceptibility* of Bacterial Isolates from Keratitis to Common Antibiotics
(Percent Susceptible)(1993 to January 1, 2009)
Bacteria
#
 BAC VAN GEN CIP OFX PB CEF TOB SULF
OXA
 GAT MOX
Staphylococcus aureus 366 96 100 92 70 70 1 92 73 96 62

69
(111)

76
(111)

  
Coag-Neg Staphylococcus 125 93 100 76 50 50 26 90 70 86 30

71
(34)

74
(34)

  
Streptococcus pneumoniae 73 100 100 14 97 97 1 100 3 100 --

100(23)

100(23)

  
Streptococcus viridans 91 99 100 54 77 92 4 99 22 100 --

95
(19)

95
(19)

  
Other Gram-Positives 83 78 100 64 72 73 51 77 55 52 --

82
(22)

77
(22)

  
Pseudomanas aeruginosa 208 0 0 96 95 93 100 0 98 9 - 93
(88)		 92
(88)		  
Serratia marcescens 143 0 0 100 99 99 7 0 97 89 --

96
(23)

96
(23)

  
Moraxella species 57 100 95 98 100 100 98 96 98 98 --

100
(16)

100
(16)

  
Haemophilus species 37 3 3 100 100 100 97 74 100 68 --

100(13)

100
(13)

  
Other Gram-Negatives
See Table Below 		154 16 9 88 94 94 77 47 88 93 --

88
(41)

85
(41)

  
Gram-Neg (Contact Lens)
See Table Below 		232 4 6 57 96 93 81 10 56 78 --

95
(102)

90
(102)

  
 
* Disk diffusion susceptibilities based on NCCLS serum standards.
BAC=Bacitracin; VAN=Vancomycin; GEN=Gentamicin; CIP=Ciprofloxacin; OFX=Ofloxacin; PB=Polymyxin B; CEF=Cefazolin; TOB=Tobramycin; SULF=Sulfasoxazole; OXA=Oxacillin; (--)=not done.

 

Susceptibility* of Gram Negative Isolates from Keratitis to Common Antibiotics
(Percent Susceptible)(1993 to January 1, 2008)
Bacteria
#
 GEN CIP OFX Poly B TOB SULF GAT MOX
Acinetobacter baumannii 16 100 94 94 94 94 100 100(1) 100(1)  
Acinetobacter johnson 1 100 100 100 100 100 100 - -
Acinetobacter lwoffii 2 100 100 100 100 100 100 - -
Acinetobacter species 2 100 100 100 100 100 100 - -
Alcaligenes denitrificans 2 100 100 100 100 100 100 - -
Alcaligenes xylosoxidans 6 0 50 67 100 0 100 0(1) 0(1)
Branhamella catarrhalis 10 0 100 90 100 100 90 100(3) 100(3)
Brevundinumas vesicularis 2 50 0 50 100 50 100 50 50
Citrobacter diversus 1 100 100 100 100 100 0 100 100
Citrobacter freundii 2 100 100 100 100 100 100 100(1) 100(1)
Citrobacter spp 2 100 100 100 100 100 0 100(1) 100(1)
Capnocytophaga 2 50 100 100 50 50 100 - -
Enterobacter aerogenes 13 100 100 100 100 100 100 100(5) 100(5)
Enterobacter agglomerans 8 100 100 100 100 100 100 100(2) 100(2)
Enterobacter cloacae 3 100 100 100 100 100 100 100(1) 100(1)
Escherichia coli 12 92 83 83 100 92 75 0(2) 0(2)
Eikenella corrodens 1 100 100 100 100 100 100 - -
Flavobacterium multivorum 1 0 100 100 0 0 100 - -
Flavobacterium spp 2 50 100 100 50 0 100 - -
Hafnia alvei 1 100 1000 100 0 100 100 - -
Klebsiella oxytoca 6 100 83 83 100 100 75 67(3) 67(3)
Klebsiella pneumoniae 3 100 100 100 100 100 67 100(1) 100(1)
Morganella morgannii 4 100 100 100 0 100 100 - -
Neisseria subflava 1 100 100 100 100 100 100 - -
Ochrobactrum spp 1 100 100 100 100 100 100 100 100
Pseudomonas cepacia 2 0 100 100 50 0 100 100(1) 100(1)
Pseudomonas stutzeri 1 100 100 100 100 0 100 100 100
Pseudomonas spp 1 100 0 0 0 100 100 - -
Proteus mirabilis 18 94 100 100 0 100 94 100(5) 100(5)
Proteus vulgaris 2 100 100 100 0 100 100 - -
Provedencia stuartii 1 0 0 0 0 0 - - -
Pasteurella spp 2 100 100 100 100 100 100 100(1) 100(1)
Roseomonas 1 100 100 100 0 100 100 100 100
Serratia liquefaciens 4 100 100 100 100 100 100 - -
Serratia species 8 100 100 100 50 100 100 100(1) 100(1)
Stenotrophomonas maltophilia 5 40 80 80 80 40 100 100(2) 100(2)
Shingella sonnei 1 100 100 100 100 100 100 - -
All 150 88 92 93 75 87 93 86(37) 87(37)
 
* Disk diffusion susceptibilities based on NCCLS serum standards.
BAC=Bacitracin; VAN=Vancomycin; GEN=Gentamicin; CIP=Ciprofloxacin; OFX=Ofloxacin; PB=Polymyxin B; CEF=Cefazolin; TOB=Tobramycin; SULF=Sulfasoxazole; OXA=Oxacillin; (--)=not done.

 

 

Susceptibility* of Gram Negative Isolates from Contact Lens to Common Antibiotics
(Percent Susceptible)(1993 to January 1, 2008)
Bacteria
#
 GEN CIP OFX Poly B TOB SULF GAT MOX
Acinetobacter baumannii 2 50 50 50 100 50 50 - -  
Acinetobacter species 4 75 100 100 100 75 100 100(1) 100(1)
Acinetobacter lwoffii 3 100 100 100 100 100 67 100(1) 100(1)
Alcaligenes denitrificans 4 25 100 100 100 25 100 - -
Alcaligenes faecalis 3 67 67 100 100 67 100 100(1) 100(1)
Alcaligenes xylosoxidans 44 11 70 64 95 14 89 79(15) 58(11)
Aeromonas hydrophilia 1 100 100 100 100 100 0 - -
Comamonas acidoverans 4 0 100 100 25 0 50 - -
Comamonas spp 3 0 100 100 0 0 100 100 100
Chryseobacterium spp 2 100 100 100 50 50 100 100(1) 100(1)
Citrobacter spp 1 100 100 100 100 100 100 100 100
Delftia spp 2 0 100 100 0 0 50 50 50
Enterobacter aerogenes 2 100 100 100 100 100 50 - -
Enterobacter agglomerans 1 100 100 100 100 100 100 - -
Enterobacter cloacae 6 83 53 100 83 83 100 100(1) 100(1)
Enterobacter spp 1 0 100 100 100 0 100 100(1) 100(1)
Flavobacterium meningosepticum 1 0 100 100 0 0 0 - -
Flavobacterium multivorum 1 100 100 100 0 0 100 - -
Flavobacterium indologenes 1 100 100 100 0 0 100 - -
Flavobacterium spp 2 0 0 50 0 0 0 100 50
Hafnia alvei 1 0 100 0 0 0 100 - -
Klebsiella oxytoca 8 100 100 100 75 100 63 100(3) 100(3)
Klebsiella pneumoniae 6 100 100 100 100 100 100 100(3) 100(3)
Non-fermenter 1 100 100 100 100 100 0 - -
Ochrobacterium anthropi 2 100 100 100 100 100 100 - -
Ochrobacterium spp 1 0 100 100 0 0 100 - -
Pseudomonas acidovorans 1 0 100 100 0 0 100 - -
Pseudomonas aeruginosa 30 100 100 97 97 97 23 93(15) 87(15)
Burkholderia cepacia 6 17 83 67 67 17 100 100(1) 100(1)
Pseudomones fluorescens 2 100 100 100 100 50 100 100 100
Pseudomones mesophilica 1 100 100 100 0 100 - - -
Pseudomones putida 3 100 100 100 100 100 0 50(2) 50(2)
Pseudomones spp 4 50 100 75 75 75 75 100(1) 100(1)
Proteus vulgaris 1 100 100 100 0 100 100 100 100
Pasteurella haemolytica 1 0 100 100 100 0 100 - -
Staphylococcus aureus 1 100 0 0 0 0 100 0 0
Serratia liquefaciens 5 80 80 80 80 80 100 - -
Serratia spp 17 88 88 88 12 82 35 93(13) 93(15)
Stenotrophomonas maltophilia 33 30 82 85 91 39 91 100(8) 100(8)
Sphingobacterium paucimobilis 2 100 100 100 100 100 100 - -
Sphingobacterium multivorum 1 0 100 0 0 0 100 - -
Sphingobacterium spiritivorum 1 0 100 100 0 0 100 - -
Sphingobacterium gpp 1 0 100 100 0 0 100 100 100
All 217 55 87 85 77 54 72 90(87) 83(87)
 
* Disk diffusion susceptibilities based on NCCLS serum standards.
BAC=Bacitracin; VAN=Vancomycin; GEN=Gentamicin; CIP=Ciprofloxacin; OFX=Ofloxacin; PB=Polymyxin B; CEF=Cefazolin; TOB=Tobramycin; SULF=Sulfasoxazole; OXA=Oxacillin; (--)=not done.

 

 

 

Top of Page