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실험적 피부포도알균 안내염에서 가티플록사신의 유리체강내 주사의 효과
이수영,류은혜,문선경,김현진,우소연,조민선,고형준,Soo Young Lee,Eun Hye Ryu,Sun Kyung Moon,Hyun Jin Kim,So-Youn Woo,Min-Sun Cho,Hyoung Jun Koh 대한안과학회 2008 대한안과학회지 Vol.49 No.4
Purpose: To compare the efficacy of intravitreal gatifloxacin with intravitreal vancomycin in the treatment of Staphylococcus epidermidis endophthalmitis in a rabbit model. Methods: Albino rabbits (n=30), infected with an intravitreal inoculum of S. epidermidis (105 colony forming unit/0.1 mL), were divided into 6 groups (n=5). Groups I and IV received 200 μg/0.1 mL of intravitreal gatifloxacin, and groups II and V were injected 1000 μg/0.1 mL of vancomycin intravitreally. Intravitreal balanced salt solutions (untreated control) were given to Groups III and VI. Intravitreal antibiotic therapy commenced 24 hours after bacterial inoculation. The bactericidal efficacy was determined by electroretinography (ERG), clinical grading, bacterial culture of vitreous aspirates and histopathologic grading. ERGs and clinical gradings were performed only for groups I, II, and III and bacterial cultures were done only for groups IV, V, and VI. Results: Eyes in the gatifloxacin groups showed similar appearance to those in the vancomycin treated groups clinically, histologically, and functionally as proved with ERG. All aspirates from the gatifloxacin and vancomycin groups were culture‐negative at 5 days after bacterial inoculation, whereas all eyes in the untreated control group were culture‐positive. Conclusions: This study demonstrated that intravitreal injection of 200 μg /0.1mL gatifloxacin appeared to be equally effective compared to intravitreal 1000 μg /0.1 mL vancomycin in the treatment of S. epidermidis endophthalmitis. If proven safe and efficacious after further study in humans, intravitreal injection of gatifloxacin could be considered an effective alternative to vancomycin for the treatment of S. epidermidis endophthalmitis.