Table 4.
Antibiotic regimen | % covered | Uncovered organisms |
---|---|---|
CTX alone | 66 | MRSA, ESBL GNRs |
CTX + GEN | 76 | MRSA |
CTX + CIP | 75 | MRSA* CIP-resistant GNRs |
CTX + GEN + CIP | 81 | MRSA* CIP-resistant GNRs |
VAN+CTX | 83 | ESBL GNRs |
VAN+GEN | 83 | Salmonella |
VAN+GEN + CIP | 98 | CIP-resistant Salmonella |
VAN + IPM | 100 | None |
IPM alone | 85 | MRSA |
CTX = ceftriaxone; GEN = gentamicin; CIP = ciprofloxacin; VAN = vancomycin; IPM = imipenem.
Several MRSA isolates in this study showed in vitro susceptibility to CIP, although caution is necessary in using CIP to treat S. aureus infections as resistance is known to occur rapidly.