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Ask UsSHC Antibiogram: Anaerobes (Selected Species)
-
SHC Antibiogram 2007
(printable PDF)
Percent Susceptible by Etest (a)
| No. Tested | Amp/ sul- bactam |
Peni- cillin |
Pip/ tazo- bactam |
Mero- penem |
Clinda- mycin |
Metro- nidazole |
|
|---|---|---|---|---|---|---|---|
| Bacteroides fragilis | 30 | 93% | 0% | 93% | 93% | 40% | 100% |
| Bacteroides NOT fragilis | 25 | 64% | 0% | 84% | 100% | 16% | 100% |
| Gram negative rods (other) (b) | 29 | 100% | 59% | 100% | 100% | 90% | 100% |
| ALL Gram positive rods | 28 | 100% | 79% | 93% | 100% | 61% | 100% (c) |
| Clostridium perfringens only | 11 | - | 100% | - | - | 55% | 100% |
| Gram pos rods NOT perfringens | 17 | 100% | 73% | 93% | 100% | 65% | 100% (c) |
| Peptostreptococci | 18 | - | 94% | - | - | 89% (d) | 89% |
| Cost ($) | $$ | $ | $$$ | $$$ | $$ | $ |
(a) Not all isolates tested
with every drug
(b) 13 Fusobacterium
spp., 12 Prevotella
spp., 3 Porphymonas spp., and 1 other
(c) Non-sporeforming
anaerobic gram
positive rods do
not respond to
metronidazole
(d) Notify Micro Lab to
perform antibiotic
susceptibility testing if
clindamycin is being
considered for a
Peptostreptococcus;
minimum 48 H for
results