Table 2.
Subject group and culture resulta | No. of components | Microorganisms (no. of isolates)b |
---|---|---|
Subjects with CDIs (n = 20) | 60 | |
Positive SC/negative TC | 10 | S. epidermidis (6), C. striatum (2), Brevundimonas sp. (1), S. hominis (1) |
Positive SC/positive TC | 36 | S. epidermidis (n = 26), S. hominis (n = 3), P. aeruginosa (n = 3), S. aureus (n = 1), S. haemolyticus (n = 1), Bacillus sp. (n = 1), Klebsiella sp. (n = 1) |
Negative SC/positive TC | 0 | No bacterial detection |
Negative SC/negative TC | 14 | No bacterial detection |
Subjects without CDIs (n = 20) | 20 | |
Positive SC/negative TC | 4 | Coagulase-negative staphylococci |
Positive SC/positive TC | 4 | Coagulase-positive staphylococcus (1), coagulase-negative staphylococci (3) |
Negative SC/positive TC | 0 | No bacterial detection |
Negative SC/negative TC | 12 | No bacterial detection |
CDI, cardiac device infection; SC, sonication culture; TC, traditional culture.
Polymicrobial cultures were found in 5 generators: S. epidermidis/S. hominis, n = 3; S. epidermidis/Bacillus sp. (n = 1), and S. epidermidis/Klebsiella sp. (n = 1).