Table 1 Main patient characteristics
From: Synovial bone sialoprotein indicates aseptic failure in total joint arthroplasty
PJI patients (according to MSIS) | Aseptic failure of arthroplasty | |||||
Number (n) | 13 | 25 | ||||
Gender ratio (m/f) | 5/8 | 6/19 | ||||
MSIS major criteria | 12/13 | - | ||||
Affected joint | ||||||
Hip/knee/shoulder | 6/6/1 | 14/9/2 | ||||
Radiological evidence of prosthetic loosening | ||||||
- Cup (hip) | 1 | 4 | ||||
- Stem (hip) | 4 | 3 | ||||
- Femoral component (knee) | 3 | 1 | ||||
- Tibial component (knee) | 4 | 0 | ||||
- Glenoid/glenosphere (shoulder) | 1 | 0 | ||||
- Humeral component (shoulder) | 1 | 3 | ||||
Osteolyses | Mild | Moderate | Severe | Mild | Moderate | Severe |
4 | 3 | 3 | 8 | 7 | 2 | |
Bacteria detection in synovial fluid | ||||||
- S. aureus | 2 | - | ||||
- S. epidemidis | 2 | |||||
- S. warneri | 1 | |||||
- Klebsiella pneumoniae | 3 | |||||
- Pseudomonas aeruginosa | 1 | |||||
- Cutibacterium acnes | 1 | |||||
- E. coli | 1 | |||||
- None | 2 | |||||
Evidence of systemic inflammatory disease | 1 | 5 | ||||