Table 1.
Microbiology of SSI Associated with Breast Surgery
| Organism – Breast SSI (n = 43)a | No. (%) of Patients |
|---|---|
|
| |
| Methicillin-sensitive Staphylococcus aureus (+/− other organisms) | 18 (41.9%) |
| Methicillin-resistant Staphylococcus aureus (+/− other organisms) | 7 (16.3%) |
| Coagulase-negative Staphylococcus only | 3 (7.0%) |
| Streptococcus viridans group (+ other organisms) | 2 (4.7%) |
| Pseudomonas aeruginosa (+/− other organisms) | 8 (18.6%) |
| Proteus mirabilis | 1 (2.3%) |
| Serratia marcescens | 2 (4.7%) |
| Mixed flora | 7 (16.3%) |
| No growthb | 4 (9.3%) |
|
| |
| Organism – Donor Site SSI (n = 8)c | |
|
| |
| Methicillin-resistant Staphylococcus aureus (+/− other organisms) | 1 |
| Coagulase-negative Staphylococcus only | 1 |
| Pseudomonas aeruginosa (+/− other organisms) | 3 |
| Proteus mirabilis | 1 |
| Mixed flora | 4 |
| No growth | 1 |
a
Cultures not performed for 14 patients with breast SSI. Percentages calculated based on number cultured (n = 43).
b
Two of the four cultures that had no growth had organisms visible on gram stain.
c
Cultures not performed for 2 patients with donor site SSI.