Table 3.
Antibiotic susceptibility of the most common isolates from different sites (blood, urine, bone, tissue and fluid aspirates) and causing different types of infections in the patients treated with antibiotics at the MSF Aden Acute Trauma Hospital, Aden, Yemen, January 2018–June 2021
| No. of isolates tested (% susceptible)a | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ampicillin | Amoxicillin/clavulanic acid | Piperacillin/tazobactam | Cefoxitin | Ceftazidime | Ceftriaxone | Cefepime | Aztreonam | Ertapenem | Imipenem | Amikacin | Gentamicin | Tobramycin | Ciprofloxacin | Levofloxacin | Trimethoprim/sulfamethoxazole | Clindamycin | Rifampicin | Vancomycin | Tigecycline | Colistin | |
| Enterobacterales | |||||||||||||||||||||
| E. coli | 237 (3.4) | 237 (57) | 237 (78.5) | 237 (84.4) | 235 (15.7) | 237 (14.8) | 237 (15.6) | 237 (14.8) | 226 (93.4) | — | 237 (97) | 237 (51.5) | 237 (45.1) | 237 (37.1) | 44 (34.1) | 237 (36.7) | — | — | — | — | — |
| K. pneumoniae | 93 (1.1) | 93 (55.9) | 93 (67.7) | 93 (92.5) | 93 (29) | 93 (19.4) | 93 (20.4) | 93 (23.9) | 93 (96.8) | — | 93 (98.9) | 93 (44.1) | 93 (37.6) | 93 (36.6) | — | 93 (31.2) | — | — | — | — | — |
| E. cloacae | 77 (1.3) | 78 (16.7) | 77 (74) | 78 (17.9) | 77 (42.9) | 78 (44.9) | 78 (47.4) | 78 (43.6) | 69 (98.6) | — | 78 (98.7) | 78 (46.2) | 77 (48.1) | 78 (50) | — | 78 (53.8) | — | — | — | — | — |
| P. mirabilis | 86 (48.8) | 86 (94.2) | 86 (97.7) | 86 (98.8) | 86 (72.1) | 86 (66.3) | 86 (65.1) | 86 (72.1) | 82 (100) | 86 (75.6) | 86 (70.9) | 86 (67.4) | 86 (68.6) | — | 86 (55.8) | — | — | — | — | — | |
| b Gram-negative | |||||||||||||||||||||
| P. aeruginosa | — | — | 106 (86.8) | — | 106 (83) | — | 106 (85.8) | 106 (0.9) | — | 106 (92.5) | 106 (89.6) | 106 (84) | 106 (84) | 106 (91.5) | — | — | — | — | — | — | — |
| A. baumannii | — | — | — | — | — | — | — | — | — | 87 (3.5) | 87 (39.1) | 87 (2.3) | 84 (4.8) | 87 (12.6) | — | — | — | — | — | — | 49 (100) |
| Gram-positive | |||||||||||||||||||||
| S. aureus | — | — | — | 128 (27.4) | — | — | — | — | — | — | 128 (97.7) | 128 (93.8) | 128 (93) | 128 (85.9) | — | 128 (99.2) | 128 (85.9) | 127 (97.6) | 90 (100) | — | — |
| E. faecalis | 151 (94) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 151 (100) | — | — |
| E. faecium | 30 (13.3) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 30 (100) | — | — |
| Streptococcus pyogenes | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 32 (100) | — | — | — | — |
aAST results are only displayed for results found for 30 isolates or more of the same bacterial species.
bNon-fermenting Gram-negative bacteria.