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Gram (+) Anerobes
Bifidobacterium, Clostridium, Eubacterium, Peptostreptococcus, Propionibacterium
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Gram (-) Anaerobes
Bacteroides, Fusobacterium, Porphryomonas, Prevotella, Veillonella
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What do Anaerobic Bacteria cause?
Dental and ora infections, chronic sinusitis, diabetic foot ulcer, intraabdominal abscesses, femal GU infections, aspiration pneumonia, empyema, osteomyelitis
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Anaerobic Characteristics
- no growth at 10% oxygen, growth at 0.5 & 2-8%
- Lack cytochromes, NRG by fermentation
- Lack catalase
- superoxide dismutase
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Clues to anaerobic infections
Foul-smelling discharge, tissue necrosis, gangrene, gas in tissues/discharges, infection assoc, with malignancy, infection related to use of amino-, septic thrombophlebitis, unique morphology on Gram stain of exudates, no growth on routine culture, polymicrobial
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Other clues about anaerobic infections
Mucosal surfaces, black disoloration, flourescence, brain abscesses, oral and dental infections, human bites, peritonitis, aspiration pneumonia, Vincent's angina
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Treatment of Anaerobic Bacteria
- S - Penicillin, Carbenams
- I - Cepha, macrolides, Tetra
- R - Aminoglycosides
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