Table 4.
Organisms Recovered From Culture Specimens
| Organism | Blood, n | Sinus, n | Intracranial, n | Total, n (%)a |
|---|---|---|---|---|
| True pathogens | ||||
| Streptococcus anginosus group | 4 | 21 | 29 | 34 (74) |
| Fusobacterium spp. | 0 | 4 | 3 | 6 (13) |
| Streptococcus pneumoniae | 1 | 1 | 3 | 4 (9) |
| Beta-hemolytic Streptococcus spp. | 0 | 1 | 2 | 3 (7) |
| Staphylococcus aureus | ||||
| Methicillin-susceptible | 0 | 2 | 0 | 2 (4) |
| Methicillin-resistant | 0 | 1 | 1 | 2 (4) |
| Streptococcus pyogenes | 0 | 0 | 1 | 1 (2) |
| Haemophilus influenzae | 0 | 0 | 1 | 1 (2) |
| Possible pathogens | ||||
| Prevotella spp. | 0 | 3 | 3 | 5 (11) |
| Streptococcus mitis/oralis | 0 | 2 | 2 | 3 (7) |
| Eikenella spp. | 0 | 1 | 2 | 3 (7) |
| Other viridans group Streptococcus spp. | 0 | 2 | 0 | 2 (4) |
| Gemella spp. | 0 | 0 | 2 | 2 (4) |
| Streptococcus salivarius | 0 | 1 | 1 | 2 (4) |
| Escherichia coli | 0 | 1 | 0 | 1 (2) |
| Pseudomonas aeruginosa | 0 | 1 | 0 | 1 (2) |
| Peptostreptococcus spp. | 0 | 0 | 1 | 1 (2) |
| Aggregatibacter aphrophilus | 0 | 1 | 0 | 1 (2) |
| Anaerobic bacteria, not speciated | 0 | 0 | 1 | 1 (2) |
| Contaminants | ||||
| Coagulase-negative Staphylococcus spp. | 0 | 4 | 0 | 4 (9) |
| Staphylococcus epidermidis | 0 | 1 | 0 | 1 (2) |
| Micrococcus spp. | 0 | 1 | 0 | 1 (2) |
| Saprophytic Neisseria spp. | 0 | 0 | 1 | 1 (2) |
| Yeast, not speciated | 0 | 1 | 0 | 1 (2) |
Listed organisms may be part of a mixed infection.
aPercentage (%) of total patients (n = 46) from whom organisms were recovered.