TABLE 1.
Properties of bacterial isolates recovered from a PD patient
| Specimen | Species | Isolation date (mo/day/yr) | Isolation site | Vancomycin
susceptibility MIC (μg/ml)a
|
PFGE pattern | |
|---|---|---|---|---|---|---|
| BMD | PAP | |||||
| RR1 | E. faecium (vanB) | 8/8/93 | Breast | 32 | ND | Z |
| RR2b | E. faecalis (vanA) | 3/8/95 | PD exit site | 512 | ND | A0 |
| RR3b | E. faecalis (vanA) | 8/22/96 | PD exit site | >512 | ND | A1 |
| RR4b | S. epidermidis | 3/27/97 | PD fluid | 8 (16) | 6 | E |
| RR5b | S. epidermidis | 4/4/97 | PD fluid | 4 (8) | 3 | E |
| RR6b | S. epidermidis | 4/25/97 | PD fluid | 8 (16) | 6 | E |
| RR7b | S. epidermidis | 5/15/97 | PD fluid | 4 (8) | 3 | E |
| RR8b | S. epidermidis | 5/28/97 | PD fluid | 4 (8) | 3 | E |
| RR9c | E. faecalis (vanA) | 9/9/97 | PD exit site | >512 | ND | A1 |
| RR10c | E. faecalis (vanA) | 9/9/97 | Groin | >512 | ND | A1 |
| RR11c | E. faecalis (vanA) | 9/9/97 | Rectum | >512 | ND | A1 |
| RR12c | S. epidermidis | 9/9/97 | PD exit site | 2 (2) | 1.5 | F |
| RR13c | S. epidermidis | 9/9/97 | Nares | 4 (4) | 3 | F |
| RR14c | S. epidermidis | 9/9/97 | Groin | 4 (8) | 6 | G |
a
BMD, broth microdilution method, with readings after 24 and 48 h (48-h readings are in parentheses); ND, not determined.
b
Isolates collected during treatment with vancomycin.
c
Surveillance culture.