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Safety of intravitreal quinupristin/dalfopristin in an animal model
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作者 Veronica E.Giordano Sergio E.Hernandez-Da Mota +7 位作者 Tania N.A dabache-Guel Armando Castillejos-Cheve Sonia Corredor-Casas Samantha M.Salinas-Longoria rafael romero-vera Juan M.Jimenez-Sierra Jose L.Guerrero-Naranjo Virgilio Morales-Canton 《International Journal of Ophthalmology(English edition)》 SCIE CAS 2016年第3期373-378,共6页
AIM: To determine whether different intravitreal doses of quinupristin/dalfopristin lead to electroretinographic or histological changes in the rabbit retina over one month period after injection. METHODS: Eighteen ... AIM: To determine whether different intravitreal doses of quinupristin/dalfopristin lead to electroretinographic or histological changes in the rabbit retina over one month period after injection. METHODS: Eighteen New Zealand white rabbits were divided into three treatment groups (groups 1 to 3) and different intravitreal doses of quinupristin/dalfopristin were tested in each group. The right eye was injected with the drug and the left eye received intravitreal injection of 5% dextrose water and served as control eye. The doses delivered to each group were 0.1 mg/0.1 mL, 1 mg/0.1 mL and 10 mg/0.1 mL. Simultaneous, bilateral, dark-adapted electroretinography and clinical images of both eyes were obtained in all groups before injection (baseline) and after 7, 14, 21 and 28d, followed by enucleation for histological examination. RESULTS: Subjects in the group 1 showed no signs of toxicity in the electroretinogram when compared with groups 2 and 3 (Kruskall-Wallis test, P=0.000). By day 7, no electrical response to light stimuli was recorded in the treated eyes in groups 2 and 3, consistent with severe damage due to retinal toxicity. Light microscopy revealedno significant histopathological changes in the group 1, while rabbits in groups 2 and 3 had signs of granulomatous inflammation in most cases. CONCLUSION: Intravitreal 0.1 mg/0.1 mL doses of quinupristin/dalfopristin do not lead to electroretinographic or histological signs of retinal toxicity compared with 1 mg/0.1 mL and 10 mg/O.1 mL in this rabbit model. 展开更多
关键词 ENDOPHTHALMITIS quinupristin/dalfopristin retinal toxicity
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