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- Title
Comparison of the influence of intracameral gentamicin, gatifloxacin, and moxifloxacin on the corneal endothelium in a rabbit model.
- Authors
Kobayakawa, Shinichiro; Hiratsuka, Yoshimune; Watabe, Yasuo; Murakami, Akira; Tochikubo, Tetsuo
- Abstract
Purpose: To compare the effect of three intracameral antibiotics, gentamicin (GM), gatifloxacin (GFLX), and moxifloxacin (MFLX), on the rabbit corneal endothelium. Methods: Twenty-four eyes from 18 rabbits were used. In the GM treatment group of 12 eyes, a dose of 20 mg/ml, 2 mg/ml, 200 μg/ml, or 20 μg/ml of GM was injected into the anterior chamber. In the GFLX and MFLX treatment groups were injected into the anterior chamber of three eyes. The central corneal thickness was measured. The eyes were then enucleated for observation under scanning electron microscopy. Results: Three days after the intracameral injection, a significant difference in central corneal thickness was found between the GM 20 mg/ml group and the control group ( P < 0.05), but not between any other groups. The damage rate at the endothelial cell level was 67% in the GM 20 mg/ml group, 56% in the GM 2 mg/ml group, 33% in the GM 200 μg/ml group, 22% in the GM 20 μg/ml group, 22% in the GFLX group, and 0% in the MFLX group. Conclusions: Intracameral GFLX or MFLX was almost nontoxic to the rabbit corneal endothelium, in contrast to the toxic results of intracameral GM 20 and 2 mg/ml.
- Subjects
GENTAMICIN; MOXIFLOXACIN; CORNEA; ENDOTHELIUM; LABORATORY rabbits; DRUG dosage; SCANNING electron microscopy; CONTROL groups
- Publication
Japanese Journal of Ophthalmology, 2010, Vol 54, Issue 5, p481
- ISSN
0021-5155
- Publication type
Article
- DOI
10.1007/s10384-010-0838-5