TABLE 1.

Anaerobic bacteremia at Duke University Medical Center, January 2000 to December 2004

Group and identificationaNo. (%) of isolates
Gram-positive isolates
    Anaerococcus, Finegoldia, Parvimonas, and
        Peptoniphilus spp.b21 (7)
    Clostridium perfringens35 (11)
    Clostridium tertium16 (5)
    Other Clostridium spp.c46 (15)
    Eggerthella spp.14 (4)
Gram-negative isolates
    Alistipes, Porphyromonas, and Prevotella spp.d14 (4)
    Bacteroides fragilis73 (23)
    Bacteroides thetaiotaomicron relatedness group22 (7)
    Other Bacteroides and Parabacteroides spp.e41 (13)
    Fusobacterium spp.15 (5)
Other anaerobesf19 (6)
Total316
  • a Anaerobes identified by 16S rRNA gene sequencing and phylogenetic analysis.

  • b Anaerococcus sp. (n = 7), Finegoldia sp. (n = 3), Parvimonas sp. (n = 3), and Peptoniphilus sp. (n = 8).

  • c Clostridium aerotolerans (n = 1), C. argentinense (n = 1), C. baratii (n = 1), C. bifermentans (n = 4), C. bolteae (n = 2), C. butyricum (n = 1), C. cadaveris (n = 2), C. celerecrescens (n = 1), C. clostridioforme (n = 4), C. colicanis (n = 1), C. hathewayi (n = 4), C. innocuum (n = 3), C. paraputrificum (n = 2), C. ramosum (n = 6), C. septicum (n = 4), C. sporogenes (n = 1), C. subterminale (n = 1), C. symbiosum (n = 3), and Clostridium sp. (n = 4).

  • d Alistipes sp. (n = 2), Porphyromonas sp. (n = 1), Prevotella bivia (n = 6), Prevotella buccae (n = 1), Prevotella denticola (n = 2), Prevotella disiens (n = 1), and Prevotella nigrescens (n = 1).

  • e Bacteroides caccae (n = 3), Bacteroides dorei (n = 4), Bacteroides finegoldii (n = 1), Bacteroides intestinalis (n = 4), Bacteroides ovatus (n = 7), Bacteroides pyogenes (n = 1), Bacteroides splanchnicus (n = 1), Bacteroides uniformis (n = 2), Bacteroides ureolyticus (n = 2), Bacteroides vulgatus (n = 4), Bacteroides sp. (n = 5), Parabacteroides distasonis (n = 6), and Parabacteroides merdae (n = 1).

  • f Actinobaculum sp. (n = 1), Biophila wadsworthia (n = 1), Campylobacter curvus (n = 1), Catabacter hongkongensis (n = 1), Eubacterium limosum (n = 1), Propionibacterium acnes (n = 3), Ruminococcus gnavus (n = 1), Ruminococcus productus (n = 1), Ruminococcus sp. (n = 1), Solobacterium moorei (n = 2), Tissierella praeacuta (n = 2), Veillonella parvula (n = 3), and Veillonella sp. (n = 1).