TABLE 4 .
Periprosthetic tissue culture results in subjects meeting Infectious Diseases Society of America criteria for prosthetic joint infection for different culture media
| Microorganism | Total no. (%) of culture-positive PJI (n = 93) | No. of culture-positive PJI with the indicated result in periprosthetic tissue culture medium |
|||||
|---|---|---|---|---|---|---|---|
| Blood culture bottle |
Agar |
Thioglycolate broth |
|||||
| ≥1 specimen positive | ≥2 specimens positive | ≥1 specimen positive | ≥2 specimens positive | ≥1 specimen positive | ≥2 specimens positive | ||
| Staphylococcus species | 46 (49) | 44 | 41 | 38 | 25 | 36 | 22 |
| S. aureus | 22 (24) | 22 | 22 | 18 | 14 | 18 | 13 |
| S. epidermidis | 19 (20) | 18 | 15 | 17 | 9 | 14 | 9 |
| S. lugdunensis | 2 (2) | 2 | 2 | 1 | 1 | 2 | 0 |
| S. capitis | 1 (1) | 1 | 1 | 0 | 0 | 1 | 0 |
| S. hominis | 1 (1) | 0 | 0 | 1 | 1 | 0 | 0 |
| S. saccharolyticus | 1 (1) | 1 | 1 | 1 | 0 | 1 | 0 |
| Streptococcus species | 4 (4) | 4 | 3 | 3 | 1 | 2 | 0 |
| S. agalactiae | 1 (1) | 1 | 1 | 1 | 1 | 0 | 0 |
| S. bovis | 1 (1) | 1 | 1 | 1 | 0 | 1 | 0 |
| S. gordonii | 1 (1) | 1 | 1 | 1 | 0 | 1 | 0 |
| Streptococcus group G | 1 (1) | 1 | 0 | 0 | 0 | 0 | 0 |
| Enterococcus faecalis | 2 (2) | 2 | 1 | 0 | 0 | 1 | 1 |
| Other Gram-positive cocci | 6 (6) | 4 | 4 | 4 | 2 | 3 | 1 |
| Facklamia hominis | 1 (1) | 1 | 1 | 1 | 0 | 1 | 1 |
| Finegoldia magna | 1 (1) | 1 | 1 | 1 | 0 | 1 | 0 |
| Granulicatella adiacens | 2 (2) | 2 | 2 | 0 | 0 | 0 | 0 |
| Parvimonas micra | 2 (2) | 0 | 0 | 2 | 2 | 1 | 0 |
| Gram-positive bacilli | 12 (13) | 10 | 10 | 8 | 4 | 11 | 8 |
| Propionibacterium acnes | 10 (11) | 8 | 8 | 6 | 3 | 10 | 7 |
| Propionibacterium granulosum | 1 (1) | 1 | 1 | 1 | 0 | 0 | 0 |
| Corynebacterium amycolatum | 1 (1) | 1 | 1 | 1 | 1 | 1 | 1 |
| Gram-negative bacilli | 7 (8) | 7 | 7 | 7 | 5 | 6 | 4 |
| Escherichia coli | 1 (1) | 1 | 1 | 1 | 1 | 1 | 1 |
| Proteus mirabilis | 1 (1) | 1 | 1 | 1 | 0 | 0 | 0 |
| Enterobacter cloacae | 1 (1) | 1 | 1 | 1 | 1 | 1 | 1 |
| Serratia marcescens | 1 (1) | 1 | 1 | 1 | 1 | 1 | 1 |
| Pseudomonas aeruginosa | 2 (2) | 2 | 2 | 2 | 1 | 2 | 0 |
| Stenotrophomonas maltophila | 1 (1) | 1 | 1 | 1 | 1 | 1 | 1 |
| Candida albicans | 1 (1) | 1 | 1 | 1 | 1 | 1 | 1 |
| Polymicrobial | 5 (5) | 5 | 4 | 4 | 4 | 5 | 4 |
| S. aureus + P. acnes | 1 (1) | 1 | 0 | 1 | 1 | 1 | 1 |
| S. aureus, S. agalactiae, Enterobacter aerogenes, and Gram-positive bacillus | 1 (1) | 1 | 1 | 1 | 1 | 1 | 1 |
| S. epidermidis + P. acnes | 1 (1) | 1 | 1 | 0 | 0 | 1 | 0 |
| S. epidermidis + E. faecalis | 1 (1) | 1 | 1 | 1 | 1 | 1 | 1 |
| Streptococcus sanguis, Haemophilusparainfluenzae, and Veillonella species | 1 (1) | 1 | 1 | 1 | 1 | 1 | 1 |
| Indeterminate (single positive periprosthetic tissue culture)a | 10 (11) | 7 | 3 | 2 | 0 | 0 | 0 |
| S. aureus | 2 (2) | 2 | 0 | 0 | 0 | 0 | 0 |
| S. epidermidis | 1 (1) | 1 | 0 | 0 | 0 | 0 | 0 |
| S. epidermidis + S. capitis | 1 (1) | 1 | 0 | 1 | 0 | 0 | 0 |
| Staphylococcus warneri | 1 (1) | 1 | 0 | 0 | 0 | 0 | 0 |
| S. hominis + Gram-positive bacillus | 1 (1) | 1 | 0 | 0 | 0 | 0 | 0 |
| Corynebacterium Chemical Formula: jeikeium |
1 (1) | 0 | 1 | 0 | 0 | 0 | 0 |
| Corynebacterium Chemical Formula: striatum |
1 (1) | 0 | 1 | 0 | 0 | 0 | 0 |
| C. amycolatum + Chemical Formula: Cellulosimicrobium cellulans |
1 (1) | 1 | 0 | 1 | 0 | 0 | 0 |
| P. acnes | 1 (1) | 0 | 1 | 0 | 0 | 0 | 0 |
a
Excludes cases with indeterminate culture results in addition to the isolation of a different microorganism isolated from two or more periprosthetic tissue specimens.