Table 1.
Characteristics and identification of 61 MRSA isolates from five hospitals in Rio de Janeiro city.
| ST/CC | n | SCCmec type | Clonality | Resistance profile (n) | Number isolates positives of the lukSF (genes) | H1 (n) | H2 (n) | H3 (n) | H4 (n) | H5 (n) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1/1 | 16 | IV | USA400 | CIP-ERI-CLI-GEN-TET-CLO (1) | – | – | – | 1 | – | |
| CIP-ERI-CLI-GEN-CLO (1) | – | – | – | – | – | 1 | ||||
| CIP-ERI-CLI-CLO-LIN (1) | – | 1 | – | – | – | – | ||||
| CIP-ERI-CLI-GEN (1) | – | – | – | – | 1 | – | ||||
| CIP-ERI-CLI (5) | – | – | 1 | 2 | 1 | 1 | ||||
| CIP-ERI-CLO (1) | – | – | – | – | – | – | ||||
| ERI-TET (1) | – | 1 | – | – | – | 1 | ||||
| TET-CLO (1) | – | – | – | 1 | – | – | ||||
| CIP-ERI (1) | – | – | 1 | – | – | – | ||||
| CIP (1) | – | – | – | 1 | – | – | ||||
| ERI (1) | – | – | – | 1 | – | – | ||||
| Ø (1) | – | 1 | – | – | – | – | ||||
| 5/5 | 20 | I | UK-EMRSA-3 | SUT-CIP-ERI-CLO (1) | – | – | – | 1 | – | – |
| CIP-ERI-CLI (1) | – | – | – | 1 | – | – | ||||
| II | USA100/NYJ | CIP-ERI-CLI-GEN (1) | – | 1 | – | – | – | – | ||
| IV | USA800 | CIP-ERI-CLI-GEN-TET-CLO (1) | – | – | 1 | – | – | – | ||
| CIP-ERI-CLI-RIF-CLO (1) | – | – | – | – | – | 1 | ||||
| CIP-ERI-CLI-CLO (1) | – | – | – | – | – | 1 | ||||
| CIP-ERI-CLI-GEN (3) | – | 1 | – | – | 1 | 1 | ||||
| CIP-ERI-CLI-RIF (1) | – | – | – | – | – | 1 | ||||
| CIP-ERI-CLO (1) | – | – | – | 1 | – | – | ||||
| CIP-ERI-CLI (3) | – | 2 | 1 | – | – | – | ||||
| ERI-CLI (1) | – | – | 1 | – | – | – | ||||
| ERI (5) | – | 1 | 1 | 1 | 1 | 1 | ||||
| 8/8 | 2 | IV | USA300 | CIP-ERI-CLI (1) | – | – | – | – | 1 | – |
| CIP-ERI (1) | – | – | 1 | – | – | – | ||||
| 12/12 | 1 | IV | – | SUT-CIP-ERI-GEN-RIF-LIN (1) | – | – | – | 1 | – | – |
| 30/30 | 11 | IV | OSPC | CIP-ERI-CLI-CLO (1) | 1 | – | 1 | – | – | – |
| CIP-ERI-CLI (2) | 2 | – | 1 | – | – | 1 | ||||
| ERI-CLI-TET (1) | 1 | – | – | 1 | – | – | ||||
| ERI-CLI (2) | 1 | 1 | – | – | – | 1 | ||||
| CIP-ERI (1) | – | – | – | – | – | 1 | ||||
| Ø (4) | 3 | 2 | 2 | – | – | – | ||||
| 45/45 | 1 | IV | USA600/Berlin | CIP-ERI-CLI-RIF-TET-LIN (1) | – | – | – | – | – | 1 |
| 105/5 | 2 | IV | – | CIP-ERI-CLI (2) | – | – | 1 | 1 | – | – |
| 435/30 | 1 | IV | – | Ø (1) | 1 | – | 1 | – | – | – |
| 1635/5 | 3 | IV | – | Ø (3) | – | – | 1 | 1 | 1 | – |
| 3163a/30 | 1 | IV | – | ERI-CLI (1) | 1 | – | – | 1 | – | – |
| 3164a/30 | 2 | IV | – | SUT-CIP-ERI-GEN-RIF-TET-LIN (1) | – | – | – | 1 | – | – |
| Ø (1) | – | – | – | – | – | 1 | ||||
| 3165a/30 | 1 | IV | – | Ø (1) | 1 | – | – | – | 1 | – |
ST, sequence type obtained by MLST; CC, clonal complex; SCCmec, Staphylococcal cassette chromosome mec; H, hospital; –, not found; a, ST described in this study; CLI, clindamycin; ERI, erythromycin; CIP, ciprofloxacin; CLO, chloramphenicol; GEN, gentamicin; RIF, rifampicin; TET, tetracycline; SUT, trimethoprim-sulfamethoxazole; LIN, linezolid; Ø, isolated with resistance only for cefoxitin; lukSF genes encoding Panton-Valentine leucocidin were detected by a PCR-based method.