Table 2.
Microbiologic and molecular findings in skeletal muscle of 8 horses with gas gangrene caused by Clostridium sordellii.
| Case | C. sordellii isolation | Gram stain | FAT |
C. sordellii PCR |
C. sordellii IHC | Other bacteria isolated | |||
|---|---|---|---|---|---|---|---|---|---|
| C. sordellii | C. chauvoei; C. septicum; C. novyi | sdl | tcsL | tcsH | |||||
| 1 | + | + | – | – | NP | NP | NP | NP | – |
| 2 | + | + | + | – | NP | NP | NP | NP | – |
| 3 | + | – | NP | NP | NP | NP | NP | – | C. perfringens |
| 4 | + | + | NP | NP | + | + | – | + | C. perfringens; Enterococcus spp. |
| 5 | + | + | NP | NP | NP | NP | NP | NP | Mixed flora; Streptococcus sp. gamma-hemolytic* |
| 6 | + | + | NP | NP | + | + | – | + | E. coli |
| 7 | + | + | + | – | NP | NP | NP | NP | – |
| 8 | + | NP | + | – | + | + | – | + | Mixed flora; Enterococcus spp. |
FAT = fluorescent antibody test; IHC = immunohistochemistry; + = positive; – = negative; NP = not performed.
*
Bacteria isolated from a muscle different from which C. sordellii was isolated.