The Preoperative Microbial Detection is No Prerequisite for the Indication of Septic Revision in Cases of Suspected Periprosthetic Joint Infection
Table 1
Rates of pre- and intraoperatively detected microbes.
Number of two-Stage exchanges
Hip
Knee
P
Total Number of two-Stage exchanges
49
47
-
Two-stage exchanges without a preoperatively detected microbe
24 (48.9%)
16 (34.0%)
.153
Two-stage exchanges without a preoperatively detected microbe, but an intraoperatively detected microbe
22 of 24 (91.6%)
11 of 16 (68.7%)
.094
Two-stage exchanges without a preoperatively detected microbe, but intraoperatively detected microbe and additionally found Krenn Morawietz type 2 or 3
12 of 24 (50%)
5 of 16 (31.2%)
.332
Two-stage exchanges without preoperatively detected microbe, but at least one intraoperatively fulfilled PJI criterion
