Table 3 Pathogens causing surgical site infections following coronary artery bypass graft procedures, 2003-2012
Pathogen | All surgical site infections | Complex sternal site infections | ||
|---|---|---|---|---|
n | % | n | % | |
Total number of infections | 1,702 | 187 | ||
Number of infections with pathogens isolated | 732 | 152 | ||
Gram-positive - subtotal | 388 | 53.0 | 107 | 70.4 |
Methicillin-sensitive Staphylococcus aureus | 207 | 28.3 | 50 | 32.9 |
Methicillin-resistant Staphylococcus aureus | 107 | 14.6 | 20 | 13.2 |
Coagulase-negative Staphylococci | 46 | 6.3 | 30 | 19.7 |
Enterococcus spp. | 11 | 1.5 | 5 | 3.3 |
Streptococcus spp. | 10 | 1.4 | 1 | 0.7 |
Bacillus spp. | 3 | 0.4 | - | - |
Peptostreptococcus spp. | 3 | 0.4 | - | - |
Corynebacterium spp. | 1 | 0.1 | 1 | 0.7 |
Gram-negative - subtotal | 323 | 44.1 | 41 | 27.0 |
Pseudomonas aeruginosa | 134 | 18.3 | 5 | 3.3 |
Enterobacter spp. | 49 | 6.7 | 9 | 5.9 |
Serratia marcescens | 38 | 5.2 | 9 | 5.9 |
Escherichia coli | 23 | 3.1 | 3 | 2.0 |
Klebsiella spp. | 21 | 2.9 | 8 | 5.3 |
Proteus mirabilis | 13 | 1.8 | 2 | 1.3 |
Morganella morganii | 11 | 1.5 | 1 | 0.7 |
Other Pseudomonas spp. | 14 | 1.9 | - | - |
Citrobacter spp. | 8 | 1.1 | 2 | 1.3 |
Acinetobacter baumannii | 5 | 0.7 | 1 | 0.7 |
Other Gram-negative bacteria* | 7 | 1.0 | 1# | 0.7 |
Fungi - subtotal | 21 | 2.9 | 4 | 2.6 |
Candida albicans | 20 | 2.7 | 4 | 2.6 |
Aspergillus spp. | 1 | 0.1 | - | - |