167.2 ð åèç
167.2.0.1 å¿ è â 6 Diarrheagenic Pathotypes
| Type | Clinical | Tx |
|---|---|---|
| ETEC | Travelerâs; LT/ST toxin | Azithro / rifaximin |
| EPEC | å ç«¥ villous blunting | Supportive |
| EIEC | Dysentery (Shigella-like) | Azithro / FQ |
| EAEC | Persistent traveler / HIV chronic | Cipro / rifaximin |
| STEC/EHEC | O157:H7 è¡äŸ¿ + HUS | NO antibiotic |
| DAEC | å ç«¥ persistent | Supportive |
167.2.0.2 å¿ è â ExPEC
- UTI #1 + bacteremia + intra-abd + neonatal meningitis (K1)
- Empirical: ceftriaxone / cefepime depending on severity / risk
167.2.0.3 å¿ è â æè¥
| Type | Mech | Treatment |
|---|---|---|
| ESBL | CTX-M plasmid | Carbapenem (severe); PO fosfomycin/nitro (uncomp UTI) |
| AmpC | Chromosomal inducible (Enterobacter) | Cefepime / carbapenem (avoid ceftriaxone) |
| CRE-KPC | Carbapenemase | CAZ-AVI / mero-vabor / imi-rele |
| CRE-NDM | Metallo | Cefiderocol |
| CRE-OXA-48 | Class D | CAZ-AVI / cefiderocol |