From: Biofilm formation on three different endotracheal tubes: a prospective clinical trial
Organism | PVC tube (n = 14) | SC tube (n = 13) | NbMC tube (n = 22) | All tubes (n = 49) |
---|---|---|---|---|
Gram-positive bacteria | ||||
Staphylococcus aureus | 2 (11) | 2 (13) | 1 (3.7) | 5 (8.2) |
Enterococcus faecalis | 3 (16) | Â | 2 (7.4) | 5 (8.2) |
Enterococcus faecium | 1 (5.6) | 1 (6.2) | Â | 2 (3.3) |
Staphylococcus epidermidis | Â | 1 (6.3) | Â | 1 (1.6) |
Gram-negative bacteria | ||||
Pseudomonas aeruginosa | 1 (5.6) | Â | 3 (11) | 4 (6.6) |
Stenotrophomonas maltophilia | Â | Â | 4 (15) | 4 (6.6) |
Klebsiella species | Â | 1 (6.2) | 1 (3.7) | 2 (3.3) |
Chryseobacterium indologenes | Â | Â | 2 (7.4) | 2 (3.3) |
Escherichia coli | Â | 1 (6.2) | Â | 1 (1.6) |
Serratia marcescens | 1 (5.6) | Â | Â | 1 (1.6) |
Acinetobacter species | Â | 1 (6.2) | Â | 1 (1.6) |
Citrobacter freundii | Â | Â | 1 (3.7) | 1 (1.6) |
Yeast | ||||
Candida spp. | 9 (50) | 9 (56) | 13 (48) | 31 (51) |
Candida albicans | 8 (44) | 7 (44) | 9 (33) | 24 (39) |
 Other yeasts | 1 (5.6) |  |  | 1 (1.6) |
Total number of microorganisms cultured from ETTs | 18 (100) | 16 (100) | 27 (100) | 61 (100) |