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Antibiotic
Susceptibility E TEST : Keratitis Conjunctivitis Endophthalmitis
Susceptibility*
of Bacterial Isolates from Keratitis to Common Antibiotics
(January 1, 2020 through December 31, 2020)
Staphylococcus aureus (MIC= ug/ml) |
ANTIBIOTIC |
# |
MIN |
Q1 |
MEDIAN |
Q3 |
MAXIMUM |
MIC SUSCEPTIBLE |
MIC RESISTANT |
VANCOMYCIN |
26 |
0.5 |
0.75 |
1.00 |
1.00 |
1.50 |
< 2 |
> 16 |
GENTAMICIN |
26 |
0.125 |
0.19 |
0.19 |
0.28 |
4.00 |
< 4 |
> 16 |
MOXIFLOXACIN |
26 |
0.03 |
0.09 |
0.09 |
3.75 |
64.00 |
< 0.5 |
> 2 |
CEFOXITIN |
26 |
3.0 |
4.0 |
5.0 |
48.0 |
512.0 |
< 4 |
> 8 |
CEFAZOLIN |
26 |
0.50 |
0.75 |
1.00 |
4.50 |
96.00 |
NS |
NS |
* Antibiotic susceptibilities are based on serum concentrations and NOT concentrations achieved in the corneal tissue. |
(#) = Number of isolates tested. NS= No Standards
|
Pseudomonas aeruginosa (MIC= ug/ml) |
ANTIBIOTIC |
# |
MIN |
Q1 |
MEDIAN |
Q3 |
MAXIMUM |
MIC SUSCEPTIBLE |
MIC RESISTANT |
TOBRAMYCIN |
18 |
0.38 |
0.938 |
1.50 |
2.00 |
6.00 |
< 4 |
> 16 |
CEFTAZIDIME |
18 |
1.00 |
1.375 |
1.50 |
2.25 |
4.00 |
< 8 |
> 32 |
CIPROFLOXACIN |
18 |
0.064 |
0.064 |
0.10 |
0.14 |
1.00 |
< 0.5 |
> 2 |
POLYMYXIN B |
18 |
0.75 |
1.50 |
2.00 |
3.00 |
6.0 |
< 2 |
> 8 |
* Antibiotic susceptibilities are based on serum concentrations and NOT concentrations achieved in the corneal tissue. |
(#) = Number of isolates tested.
|
Coagulase Negative Staphylococcus (MIC= ug/ml) |
ANTIBIOTIC |
# |
MIN |
Q1 |
MEDIAN |
Q3 |
MAXIMUM |
MIC SUSCEPTIBLE |
MIC RESISTANT |
VANCOMYCIN |
11 |
0.75 |
1.00 |
1.50 |
1.50 |
2.00 |
< 4 |
> 32 |
GENTAMICIN |
11 |
0.03 |
0.06 |
0.13 |
4.00 |
32.00 |
< 4 |
> 16 |
MOXIFLOXACIN |
11 |
0.09 |
0.75 |
4.00 |
64.00 |
64.00 |
< 0.5 |
> 2 |
CEFAZOLIN |
11 |
0.38 |
0.50 |
2.00 |
3.00 |
12.00 |
NS |
NS |
* Antibiotic susceptibilities are based on serum concentrations and NOT concentrations achieved in the corneal tissue. |
(#) = Number of isolates tested. NS= No Standards
|
Streptococcus viridans (MIC= ug/ml) |
ANTIBIOTIC |
# |
MIN |
Q1 |
MEDIAN |
Q3 |
MAXIMUM |
MIC SUSCEPTIBLE |
MIC RESISTANT |
VANCOMYCIN |
10 |
0.25 |
0.47 |
0.50 |
0.81 |
2.00 |
<1 |
- |
GENTAMICIN |
4 |
2.00 |
2.00 |
2.0 |
2.75 |
3.00 |
< 4 |
> 16 |
MOXIFLOXACIN |
10 |
0.064 |
0.094 |
0.125 |
0.2375 |
0.38 |
<1 |
> 4 |
CEFAZOLIN |
5 |
0.13 |
0.19 |
0.38 |
8.75 |
16 |
NS |
NS |
* Antibiotic susceptibilities are based on serum concentrations and NOT concentrations achieved in the corneal tissue. |
(#) = Number of isolates tested. NS= No Standards
|
Other Gram Positive bacteria (MIC= ug/ml) |
ANTIBIOTIC |
# |
MIN |
Q1 |
MEDIAN |
Q3 |
MAXIMUM |
MIC SUSCEPTIBLE |
MIC RESISTANT |
VANCOMYCIN |
4 |
0.38 |
0.38 |
0.44 |
0.6875 |
0.75 |
<1 |
- |
GENTAMICIN |
4 |
0.0 |
0.5 |
2.5 |
72.8 |
96.0 |
< 4 |
> 16 |
MOXIFLOXACIN |
4 |
0.3 |
0.3 |
2.2 |
49.0 |
64.0 |
< 1 |
> 4 |
CEFAZOLIN |
4 |
0.06 |
0.08 |
0.19 |
12.06 |
16 |
NS |
NS |
* Antibiotic susceptibilities are based on serum concentrations and NOT concentrations achieved in the corneal tissue. |
(#) = Number of isolates tested. NS= No Standards
|
Other Gram Negative bacteria (MIC= ug/ml) |
ANTIBIOTIC |
# |
MIN |
Q1 |
MEDIAN |
Q3 |
MAXIMUM |
MIC SUSCEPTIBLE |
MIC RESISTANT |
TOBRAMYCIN |
8 |
0.25 |
0.438 |
1.25 |
1.875 |
3.00 |
< 4 |
> 16 |
CEFTAZIDIME |
8 |
0.1 |
0.1 |
0.4 |
1.0 |
512.0 |
< 8 |
> 32 |
CIPROFLOXACIN |
7 |
0.012 |
0.023 |
0.032 |
3.00 |
4.00 |
< 1 |
> 4 |
POLYMYXIN B |
8 |
0.00 |
0.25 |
1.00 |
6.38 |
32.00 |
< 2 |
> 8 |
* Antibiotic susceptibilities are based on serum concentrations and NOT concentrations achieved in the corneal tissue. |
(#) = Number of isolates tested.
|
Susceptibility*
of Bacterial Isolates from Conjunctivitis to Common Antibiotics
(January 1, 2020 through December 31, 2020)
Staphylococcus aureus (MIC= ug/ml) |
ANTIBIOTIC |
# |
MIN |
Q1 |
MEDIAN |
Q3 |
MAXIMUM |
MIC SUSCEPTIBLE |
MIC RESISTANT |
MOXIFLOXACIN |
24 |
0.05 |
0.06 |
0.09 |
49.0 |
64.00 |
< 0.5 |
> 2 |
CEFOXITIN |
24 |
3.0 |
4.0 |
5.0 |
32.0 |
512.0 |
< 4 |
> 8 |
* Antibiotic susceptibilities are based on serum concentrations and NOT concentrations achieved in the corneal tissue. |
(#) = Number of isolates tested. NS= No Standards
|
Other Gram Positive bacteria (MIC= ug/ml) |
ANTIBIOTIC |
# |
MIN |
Q1 |
MEDIAN |
Q3 |
MAXIMUM |
MIC SUSCEPTIBLE |
MIC RESISTANT |
MOXIFLOXACIN |
7 |
0.125 |
0.19 |
0.25 |
0.38 |
0.50 |
< 1 |
> 4 |
* Antibiotic susceptibilities are based on serum concentrations and NOT concentrations achieved in the corneal tissue. |
(#) = Number of isolates tested.
|
Gram Negative bacteria (MIC= ug/ml) |
ANTIBIOTIC |
# |
MIN |
Q1 |
MEDIAN |
Q3 |
MAXIMUM |
MIC SUSCEPTIBLE |
MIC RESISTANT |
TOBRAMYCIN |
8 |
0.75 |
0.813 |
1.00 |
1.50 |
1.5 |
< 4 |
> 16 |
CIPROFLOXACIN |
8 |
0.008 |
0.012 |
0.0315 |
0.1055 |
0.63 |
< 1 |
> 4 |
POLYMYXIN B |
8 |
0.00 |
0.188 |
0.875 |
1.375 |
1.50 |
< 2 |
> 8 |
MOXIFLOXACIN |
4 |
0.047 |
0.0828 |
0.19 |
0.33 |
0.38 |
NS |
NS |
* Antibiotic susceptibilities are based on serum concentrations and NOT concentrations achieved in the corneal tissue. |
(#) = Number of isolates tested. NS= No Standards
|
Susceptibility*
of Bacterial Isolates from Endophthalmitis to Common Antibiotics
(January 1, 2020 through December 31, 2020)
Gram Positive bacteria (MIC= ug/ml) |
ANTIBIOTIC |
# |
MIN |
Q1 |
MEDIAN |
Q3 |
MAXIMUM |
MIC SUSCEPTIBLE |
MIC RESISTANT |
VANCOMYCIN |
14 |
0.75 |
1.00 |
1.75 |
2.00 |
2.00 |
< 4 |
> 32 |
* Antibiotic susceptibilities are based on serum concentrations and NOT concentrations achieved in the corneal tissue. |
(#) = Number of isolates tested.
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