A 61 year old man presents with fever and diffuse abdominal pain 5 days after emergency surgery for a perforated appendix. CT scan shows multiple intraabdominal abscesses. Aspiration of the abscess yields foul smelling material, and culture grows an anaerobic gram negative rod. Which of the following organisms is the most likely cause of this patient’s infection?
- A)Haemophilus influenzae
- B)Escherichia coli O157:H7
- C)Vibrio cholerae
- D)Pseudomonas aeruginosa
- E)Bacteroides fragilisGABARITO
Explicação
Bacteroides fragilis is correct. Bacteroides is part of the normal colonic flora and is a common cause of intraabdominal abscess after bowel perforation or appendiceal rupture. Anaerobic growth with foul odor and postoperative abscess formation are classic clu... Ver explicação completa e trilha adaptativa →