Spectrum of Bacterial Keratitis at a Tertiary Eye Care Centre in India
Table 5
Resistance patterns of frequent bacterial isolates recovered from corneal ulceration over an eight-year period (2005–2012) at a tertiary eye care facility in India.
Resistance to
Organism
S. epidermidis n (%)
S. aureus n (%)
S. pneumoniae n (%)
Bacillus spp. n (%)
Ps. aeruginosa n (%)
Acinetobacter sp. n (%)
8 antibiotics
0
0
0
0
1 (0.8)
0
7 antibiotics
1 (0.2)
1 (0.4)
0
0
0
0
6 antibiotics
4 (0.7)
1 (0.4)
1 (0.7)
0
2 (1.7)
0
5 antibiotics
13 (2.4)
2 (0.8)
1 (0.7)
0
0
1 (0.8)
4 antibiotics
22 (4.1)
6 (2.5)
15 (10.7)
1 (1.6)
3 (2.6)
0
3 antibiotics
39 (7.3)
23 (9.8)
45 (32.1)
3 (4.8)
2 (1.7)
2 (1.7)
2 antibiotics
83 (15.5)
29 (12.3)
39 (27.8)
6 (9.5)
19 (16.2)
3 (5.3)
1 antibiotic
128 (23.9)
48 (20.4)
21 (15)
7 (11.1)
63 (53.8)
11 (19.6)
0 antibiotic
244 (45.7)
125 (53.2)
18 (12.8)
46 (73)
27 (23)
39 (69.6)
Total isolates tested
534
235
140
63
117
56
n: number of isolates that showed resistance, %: corresponding per cent. Selected antibiotics: amikacin, chloramphenicol, ciprofloxacin, gentamicin, gatifloxacin, moxifloxacin, ofloxacin, tobramycin.
