Table 1.
Antimicrobial resistance patterns of Gram negative bacteria isolated in CSOM patients at the University of Gondar Comprehensive Specialized Hospital, January–May 2017
| Isolates | Antimicrobial resistance pattern | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CFP n (%) |
COT n (%) |
CXM n (%) |
NOR n (%) |
CAF n (%) |
CIP n (%) |
NAL n (%) |
AMP n (%) |
GEN n (%) |
TE n (%) |
AMO/C n (%) |
CFR n (%) |
|
| P. mirabilis (n = 16) | ||||||||||||
| R | 7 (43.7) | 8 (50) | 2 (12.5) | 0 | 6 (37.5) | 0 | 3 (18.7) | 13 (81.2) | 2 (12.5) | 9 (56.3) | 5 (31.3) | 5 (31.3) |
| Providencia spp. (n = 11) | ||||||||||||
| R | 9 (81.8) | 9 (81.8) | 11 (100) | 0 | 8 (72.7) | 0 | 8 (72.7) | 9 (81.8) | 3 (27.3) | 7 (63.7) | 10 (90.9) | 10 (90.9) |
| Klebsiella spp. (n = 10) | ||||||||||||
| R | 5 (50) | 4 (40) | 2 (20) | 0 | 1 (10) | 0 | 1 (10) | 9 (90) | 1 (10) | 1 (10) | 6 (60) | 5 (50) |
| Citrobacter spp. (n = 5) | ||||||||||||
| R | 1 (20) | 0 | 2 (40) | 1 (20) | 1 (20) | 1 (20) | 0 | 5 (100) | 0 | 1 (20) | 0 | 5 (100) |
| Enterobacter spp. (n = 4) | ||||||||||||
| R | 2 (50) | 0 | 2 (50) | 0 | 0 | 0 | 0 | 100 | 0 | 0 | 0 | 4 (100) |
| Pseudomonas spp. (n = 2) | ||||||||||||
| R | 2 (100) | 2 (100) | 2 (100) | 0 | 1 (50) | 0 | 0 | 0 | 1 (50) | 2 (100) | 2 (100) | 2 (100) |
| P. vulgaris (n = 2) | ||||||||||||
| R | 1 (50) | 2 (100) | 0 | 1 (50) | 1 (50) | 2 (100) | 2 (100) | 1 (50) | 1 (50) | 2 (100) | 2 (100) | 1 (50) |
CFP cefepime, COT cotrimoxazol, CXM cefixime, NOR norfloxacin, GEN gentamicin, AMO/C amoxicillin–clavulanic acid, CAF chloramphenicol, CIP ciprofloxacin, TE tetracyclin, CFR cefuroxime, NA nalidixic acid, AMP ampicillin, R resistance
Tobramycin and piperacillin were replaced ampicillin and nalidixic acid respectively in case of P. aeruginosa