Table 3.
Resistance pattern of bacterial isolates to commonly used antibiotics among HIV infected patients in the University of Gondar Teaching Hospital from March 1, 2013, to May 2, 2013.
| Organism isolated | Antibiotic resistance patterns | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SXT | AMC | CRO | CIP | E | CN | MET | P | TE | V | CAF | OXA | AMP | F | |
| Gram positive | ||||||||||||||
| S. aureus (n = 13) | 6 (46.2) | 0 (0) | 0 (0) | 0 (0) | 3 (23.1) | 0 (0) | 5 (38.5) | 5 (38.5) | 4 (30.8) | 0 (0) | 1 (7.7) | 3 (23.1) | 11 (84.6) | 0 (0) |
| CONS (n = 8) | 8 (100) | 0 (0) | 0 (0) | 1 (12.5) | 3 (37.5) | 1 (12.5) | 6 (75.0) | 3 (37.5) | 4 (50.0) | 0 (0) | 2 (25.0) | 2 (25.0) | 3 (37.5) | 0 (0) |
| Viridans streptococci(n = 3) | 1 (33.3) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 2 (66.7) | 1 (33.3) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 1 (33.3) | 1 (33.3) | 0 (0) |
| S. pyogenes (n = 2) | 2 (100) | 0 (0) | 0 (0) | 0 (0) | 1 (50) | 0 (0) | 1 (50) | 1 (50) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 2 (100) | 0 (0) |
| Total (n = 26) | 17 (65.3) | 0 (0) | 0 (0) | 1 (3.8) | 7 (26.9) | 3 (11.5) | 13 (0.5) | 9 (34.6) | 8 (30.7) | 0 (0) | 3 (11.5) | 6 (23.0) | 17 (65.3) | 0 (0) |
|
| ||||||||||||||
| Gram negative | ||||||||||||||
| E. coli (n = 1) | 1 (100) | 1 (100) | 0 (0) | 0 (0) | — | 0 (0) | — | — | 1 (100) | — | 0 (0) | — | 1 (100) | 0 (0) |
| K. ozaenae (n = 1) | 1 (100) | 1 (100) | 0 (0) | 0 (0) | — | 0 (0) | — | — | 1 (100) | — | 0 (0) | — | 1 (100) | 0 (0) |
| H. influenzae (n = 1) | 1 (100) | 0 (0) | 0 (0) | 0 (0) | — | 0 (0) | — | — | 0 (0) | — | 0 (0) | — | 0 (0) | 0 (0) |
| P. aeruginosa (n = 1) | 1 (100) | 1 (100) | 1 (100) | 0 (0) | — | 1 (100) | — | — | 1 (100) | — | 1 (100) | — | 1 (100) | 0 (0) |
| Serratia (n = 1) | 1 (100) | 1 (100) | 0 (0) | 0 (0) | — | 0 (0) | — | — | 1 (100) | — | 1 (100) | — | 1 (100) | 0 (0) |
| Total (n = 5) | 5 (100) | 4 (80) | 1 (20) | 0 (0) | — | 1 (20) | — | — | 4 (80) | — | 2 (40) | — | 4 (80) | 0 (0) |
|
| ||||||||||||||
| Overall (n = 31) | 22 (70.9) | 4 (12.9) | 1 (3.2) | 1 (3.2) | 7 (26.9) | 4 (12.9) | 13 (0.5) | 9 (34.6) | 12 (38.7) | 0 (0) | 5 (16.1) | 6 (23.0) | 21(67.7) | 0 (0) |
AMP: ampicillin; SXT: sulfamethoxazole/trimethoprim; AMC: amoxicillin-clavulanic acid; CRO: ceftriaxone; CIP: ciprofloxacin; E: erythromycin; CN: gentamicin; MET: methicillin; P: penicillin; TE: tetracycline; V: vancomycin; CAF: chloramphenicol; OXA: oxacillin; F: nitrofurantoin; S: sensitive; I: intermediate; R: resistant; —: not used antibiotic for Gram negative.