Table 5.
Microorganisms cultured from peritoneal fluid during index surgery and reoperation
| Microorganisms | Index surgery | First reoperation | Second reoperation | Third reoperation |
|---|---|---|---|---|
| Aerobes, n (%) | 209 (73) | 157 (71) | 89 (75) | 33 (75) |
| Gram-positive bacteria, n (%) | 94 (33) | 69 (31) | 36 (31) | 12 (27) |
| Enterococci, n (%) | 45 (16) | 38 (17) | 18 (15) | 4 (9) |
| E. faecalis, n (%) | 21 (7) | 11 (5) | 8 (7) | 0 |
| E. faecium, n (%) | 12 (4) | 15 (7) | 7 (6) | 4 (9) |
| Streptococci, n (%) | 34 (12) | 7 (3)† | 1 (1)† | 0* |
| Staphylococci, n (%) | 13 (5) | 22 (10)* | 16 (14)† | 7 (16)† |
| Staphylococcus aureus, n (%) | 3 (1) | 1 (1) | 1 (1) | 1 (2) |
| Coagulase-negative staphylococci, n (%) | 10 (4) | 21 (9) | 15 (13) | 6 (14) |
| Gram-negative bacteria, n (%) | 115 (40) | 88 (40) | 53 (45) | 21 (48) |
| Enterobacteriaceae, n (%) | 95 (33) | 70 (32) | 35 (30) | 15 (34) |
| Escherichia coli, n (%) | 48 (17) | 35 (16) | 18 (15) | 4 (9) |
| Enterobacter spp, n (%) | 12 (4) | 10 (5) | 7 (6) | 4 (9) |
| Klebsiella spp, n (%) | 11 (4) | 9 (4) | 4 (3) | 2 (5) |
| Morganella spp, n (%) | 10 (4) | 6 (3) | 2 (2) | 1 (2) |
| Proteus spp, n (%) | 5 (2) | 2 (1) | 2 (2) | 1 (2) |
| Other Enterobacteriaceae, n (%) | 9 (3) | 8 (4) | 2 (2) | 3 (7) |
| Non-fermenting Gram-negative bacilli, n (%) | 12 (4) | 18 (8) | 16 (14)† | 5 (11) |
| Pseudomonas aeruginosa, n (%) | 12 (4) | 14 (6) | 11 (9) | 5 (11) |
| Acinetobacter spp, n (%) | 0 | 4 (2) | 3 (3) | 0 |
| Anaerobes, n (%) | 34 (12) | 8 (4)† | 2 (2)† | 1 (2) |
| Bacteroides spp, n (%) | 28 (10) | 5 (2)† | 2 (2)† | 1 (2) |
| Fungi, n (%) | 43 (15) | 57 (26)† | 27 (23) | 10 (23) |
| Candida albicans, n (%) | 34 (12) | 41 (18)* | 22 (19) | 8 (18) |
| Candida non-albicans, n (%) | 8 (3) | 14 (6) | 4 (3) | 2 (5) |
| Total number of microorganisms, n | 286 | 222 | 118 | 44 |
*P <0.05, † P <0.01 versus index surgery.