Research Article
The Preoperative Microbial Detection is No Prerequisite for the Indication of Septic Revision in Cases of Suspected Periprosthetic Joint Infection
Table 3
Rates of pre- and intraoperatively fulfilled PJI criteria, following the 4 PJI definitions of the EBJIS.
| Hip, n=49 | Overall (pre – or Intraoperative) | preoperative | intraoperative (explanation) |
| Sinus tract (fistula) or purulence | 11 of 49 (22.4%) | 11 of 49 (22.4%) | 11 of 49 (22.4%) |
| >2000/μl leukocytes or >70% PMN | 15 of 49 (30.6%) | 10 of 49 (20.4%) | 8 of 49 (16.3%) |
| Krenn Morawietz type 2 or 3 | 33 of 49 (67.3%) | 0 | 33 of 49 (67.3%) |
| Microbial growth | 47of 49 (95.9%) | 25 of 49 (51%) | 43 of 49 (85.7%) |
| At least one PJI criterion | 49 of 49 (100%) | 34 of 49 (69.3%) | 48 of 49 (97.9%) |
| Knee, n=47 | Overall (pre – or Intraoperative) | preoperative | intraoperative (explanation) |
| Sinus tract (fistula) or purulence | 4 of 47 (8.5%) | 3 of 47 (6.3%) | 4 of 47 (8.5%) |
| >2000/μl leukocytes or >70% PMN | 21 of 47 (44.6%) | 11 of 47 (23.4%) | 13 of 47 (27.6%) |
| Krenn Morawietz type 2 or 3 | 23 of 47 (48.9%) | 0 | 23 of 47 (48.9%) |
| Microbial growth | 42 of 47 (89.3%) | 31 of 47 (65.9%) | 31 of 47 (65.9%) |
| At least one PJI criterion | 46 of 47 (97.8%) | 32 of 47 (68.0%) | 40 of 47 (85.1%) |
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not available for each patient |