3 research outputs found

    An immunohistochemical analysis of the neuroprotective effects of memantine, hyperbaric oxygen therapy, and brimonidine after acute ischemia reperfusion injury

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    Purpose: This study applies treatment methods to rat retinas subjected to acute ischemia reperfusion injury and compares the efficacy of memantine, hyperbaric oxygen (HBO) therapy, and brimonidine by histopathological examination

    Direct transretinal removal of subfoveal perfluorocarbon liquid combined with internal limiting membrane peeling

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    A 65-year-old woman was referred to our institution with a 5-day history of visual impairment in her right eye and macula-off retinal detachment. A successful 23 G pars plana vitrectomy was performed with a 1000 cs silicone oil injection, and the silicone oil tamponade was extracted 2 months later. During the fundoscopic and optical coherence tomography examinations, three subfoveal perfluorocarbon liquid bubbles were detected, and her best corrected visual acuity was limited to 20/400. Brilliant blue staining was used for the internal limiting membrane peeling, and the direct transretinal aspiration of the perfluorocarbon liquid bubbles was performed with a 23 G silicone-tip Flute cannula. This patient’s best corrected visual acuity increased to 20/200 at the 1 month follow-up and then to 20/100 at the 1-year follow-up

    Tolerating subretinal fluid in the treatment of neovascular age-related macular degeneration with intravitreal aflibercept

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    Objective: To compare the anatomical and functional outcomes of intensive and relaxed intravitreal aflibercept regimen in the management of neovascular age-related macular degeneration. Methods: The medical records of 50 eyes of 50 patients with treatment-naive neovascular age-related macular degeneration, who underwent intravitreal aflibercept therapy in the Retinal Department of University of Health Sciences Okmeydanı Training and Research Hospital (Istanbul, Turkey), were retrospectively reviewed. The demographic features and best-corrected visual acuities at baseline and at 1st-, 2nd-, 3rd-, 4th-, 6th-, 10th- and 12th- months, optical coherence tomography measurements, presence of intraretinal fluid, subretinal fluid and intraocular pressure values were studied. The patients were divided into two groups: intensive (subretinal fluid intolerant) and relaxed (<200 microns subretinal fluid tolerated) intravitreal aflibercept regimens. Results: The change in the mean best-corrected visual acuities from baseline to 12th month was 13.72 ± 33.97 letters in the intensive treatment group and 8.68 ± 27.22 in the relaxed group. There was no statistically significant difference between the groups ( p  = 0.566). Similar proportions of both groups achieved ⩾10 letters gain (%48 vs. %40, respectively; p  = 0.755) and ⩾10 letters loss (%20 vs. %24, respectively; p  = 0.755). The mean central subfield thickness values decreased statistically significantly in both groups ( p  < 0.001). There was no statistically significant difference between the groups (442.40 ± 161.32 to 318.0 ± 63.10 vs. 431.64 ± 151.52 to 303.08 ± 140.91, respectively; p  = 0.724). The mean total injection numbers were significantly lower in the relaxed group (6.4 ± 1.65 vs. 4.8 ± 1.45, respectively; p  = 0.01). Conclusion: Relaxed intravitreal aflibercept regimen has comparable efficiency and safety outcomes at 12 months with intensive intravitreal aflibercept regimen with fewer injections in the management of neovascular age-related macular degeneration
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