Two-Stage Revision TKA Is Associated with High Complication and Failure Rates

Table 3

Bacteria present at time of initial surgery and at time of failure.

Initial organism	Organism at failure	New organism at failure
Coagulase negative Staphylococcus	Eradicated^1	N/A
MSSA^2	Staphylococcus lugdunensis	Yes
Gram + Cocci	Deceased	N/A
MRSA^3	Deceased	N/A
Coagulase negative Staphylococcus	Unkown^4	N/A
MSSA	Eradicated	N/A
Vancomycin resistant Staphylococcus, yeast, and Streptococcus	Citrobacter  braakii	Yes
Staphylococcus pneumoniae	Staphylococcus pneumoniae	No
MSSA, bacteremia, and Staphylococcus pneumoniae	Deceased	N/A
MSSA	Enterobacter	Yes
MSSA	MSSA	No
Coagulase negative Staphylococcus	MRSA	Yes
MRSA, Streptococcus	MRSA	No
Coagulase negative Staphylococcus, Acinetobacter, Streptococcus, and Pseudomonas	Candida albicans	Yes
Coagulase negative Staphylococcus	Eradicated	N/A
Coagulase negative Staphylococcus, Pseudomonas, Streptococcus, and yeast	Culture negative	N/A
MSSA	MSSA	No
MSSA	MSSA	No
MSSA	MRSA	Yes
Peptostreptococcus	Deceased	N/A
Coagulase negative Staphylococcus	Enterobacter	Yes

Eradicated: a failure due to reoperation where no evidence of recurrent infection was found.
²Methicillin-sensitive Staphylococcus aureus.
³Methicillin-resistant Staphylococcus aureus.
⁴Unknown: patient underwent rerevision elsewhere.