Table 1.
Major features of the cases
| Characteristics | Case 1 | Case 2 | Case 3 |
|---|---|---|---|
| Gender/age (years) | Female 44 | Male 53 | Female 40 |
| Origin | Thailand | West Africa | West Africa |
| Time since visit to native country | 8 months | 4 years | 10 months |
| Comorbidities | None | Hypertension | Diabetes |
| Preadmission symptoms | Fever, abdominal pain | Fever, abdominal pain, rigors, dyspnea | Fever, rigors, polydipsia, polyuria, weight loss |
| Temperature (°C) | 38.3 | 40.2 | 39.1 |
| WBC count, 109/L | 12.4 | 5.9–14.0 | 7.1 |
| CRP (mg/L) | 320 | 80–200 | 150 |
| ALT (U/L) | 113 | 46–170 | 33 |
| CT scan | Solitary hepatic abscess | Solitary hepatic abscess | Multiple hepatic abscesses |
| Positive culture(s) for K. pneumoniae1 | Abscess | Blood | Blood |
| LOS, days | 19 | 12 | 6 |
WBC, white blood cell count; CRP, C-reactive protein; ALT, alanine transaminase; AST, aspartate transaminase; K. pneumoniae, Klebsiella pneumoniae; LOS, length of hospital stay.
1
All isolates were serotype K1, positive for rmpA, aerobactin, kfu, and allS. All strains belonged to MLST 23. None of the patients had extrahepatic manifestations.