TABLE 2.
Microorganisms isolated from culture-positive PF.
| Microorganisms (n = 108) | (n) |
|---|---|
| High-risk pathogens (n = 91; 84.3%) | |
| Bacterial species (n = 86; 79.6%) | |
| Gram-negative bacilli (n = 51; 47.2%) | |
| Escherichia coli | 13 |
| Enterobacter cloacae | 6 |
| Klebsiella pneumoniae | 5 |
| Pseudomonas aeruginosa | 4 |
| Klebsiella aerogenes | 4 |
| Serratia marcensens | 4 |
| Klebsiella oxytoca | 3 |
| Citrobacter koseri | 3 |
| Haemophilus influenzae | 3 |
| Hafnia alvei | 2 |
| Proteus mirabilis | 2 |
| Serratia ureilytica | 1 |
| Acinetobacter pitii | 1 |
| Gram-positive cocci (n = 35; 32.4%) | |
| Staphylococcus aureus | 33 |
| Streptococcus pneumoniae | 2 |
| Fungal species (n = 5; 4.6%) | |
| Candida albicans | 2 |
| Candida glabrata | 1 |
| Candida parapsilosis | 1 |
| Candida krusei | 1 |
| Low-risk pathogens (n = 17; 15.7%) | |
| Oropharyngeal flora a | 8 |
| Branhamella catarrhalis | 2 |
| Streptococcus anginosus | 2 |
| Staphylococcus epidermidis | 2 |
| Streptococcus oralis | 1 |
| Corynebacterium striatum | 1 |
| Corynebacterium propinquum | 1 |
a
Bacterial species composing the oropharyngeal flora are a-hemolytic streptococci excepted Streptococcus pneumoniae, Haemophilus spp. excepted Haemophilus influenzae, Neisseria spp. excepted Neisseria meningitidis and Neisseria gonorrhoeae and Rothia mucilaginosa.