Table 3.
Microorganisms identified during resection arthroplasties, reimplantations and re-revision surgeries in successful two-stage procedures (success group) and failed two-stage procedures (failure group).
| Success Group | Failure Group | ||||
|---|---|---|---|---|---|
| Total | Res. Arthroplasty n = 37 | Reimplantation 37 (100.0%) | Res. Arthroplasty n = 20 | Re-Rev. 10 (50.0%) |
|
| Total microorganisms | 64 | 36 | 5 | 19 | 4 |
| Staphylococcus epidermidis | 19 (29.7%) | 9 (25.0%) | 3 (60.0%) | 6 (31.6%) | 1 (25.0%) |
| MRSE | 14 | 6 | 2 | 5 | 1 |
| MSSE | 5 | 3 | 1 | 1 | - |
| Staphylococcus aureus (MSSA) | 6 (9.4%) | 2 (5.6%) | - | 4 (21.1%) | - |
| Cutibacterium spp. | 6 (9.4%) | 3 (8.3%) | 1 (20.0%) | 1 (5.3%) | 1 (25.0%) |
| Cutibacterium acnes | 5 | 2 | 1 | 1 | 1 |
| Cutibacterium avidum | 1 | 1 | - | - | - |
| Staphylococcus haemolyticus | 4 (6.3%) | 3 (8.3%) | - | 1 (5.3%) | - |
| Enterococcus faecalis | 4 (6.3%) | 3 (8.3%) | - | 1 (5.3%) | - |
| Viridans group Streptococci | 4 (6.3%) | 1 (2.8%) | 1 (20.0%) | 2 (10.6%) | - |
| Other Gram-positive bacteria | 9 (14.1%) | 8 (22.2%) | - | - | 1 (25.0%) |
| Beta hemolytic Streptococci | 1 | 1 | - | - | - |
| Staphylococcus lugdunensis | 1 | 1 | - | - | - |
| Staphylococcus capitis | 1 | - | - | - | 1 |
| Staphylococcus hominis | 1 | 1 | - | - | - |
| Staphylococcus canis | 1 | 1 | - | - | - |
| Clostridium perfringens | 1 | 1 | - | - | - |
| Micrococcus luteus | 1 | 1 | - | - | - |
| Kocuria rhizophila | 1 | 1 | - | - | - |
| Lactobacillus spp. | 1 | 1 | - | - | - |
| Gram-negative bacteria | 9 (14.1%) | 6 (16.6%) | - | 3 (15.9%) | - |
| Enterobacter cloacae | 1 | 1 | - | - | - |
| Escherichia coli | 2 | 2 | - | - | - |
| Citrobacter koseri | 2 | 1 | - | 1 | - |
| Pseudomonas aeruginosa | 2 | 1 | - | 1 | - |
| Moraxella osloensis | 1 | 1 | - | - | - |
| Bacteroides fragilis | 1 | - | - | 1 | - |
| Candida spp. | 3 (4.7%) | 1 (2.8%) | - | 1 (5.3%) | 1 (25.0%) |
| Candida parapsilosis | 1 | 1 | - | - | - |
| Candida albicans | 2 | - | - | 1 | 1 |
MRSE, methicillin-resistant Staphylococcus epidermidis; MSSE, methicillin-susceptible Staphylococcus epidermidis; MSSA, methicillin-susceptible Staphylococcus aureus.