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Bacteroides Fragilis

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geferaye's version from 2016-11-02 18:54

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Question Answer
What are the diseases caused? abdominal abscesses, peritonitis, sepsis
What are the characteristics? anaerobic, gram-negative rod
How is it transmitted? normal flora of colon, transmission by spread from colon to blood or peritoneum
What is the pathogenesis? antiphagocytic, abscess promoting capsule, PREDISPOSING FACTORS INCLUDE BOWEL SURGERY OR PENETRATING ABDOMINAL WOUNDS, usually mixed infections with facultative anaerobes (E. coli)
How can it be diagnosed? gram-stain smear plus anaerobic culture, biochemical tests
How is it treated?metronidazole, clindamycin, cefoxitin; no vaccine; prophylactic antibiotics prior to surgery
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