Ilse Krebs1, Susanne Binder, Ulrike Stolba. 1. Department of Ophthalmology, Rudolf Foundation Clinic, Juchgasse 25, 1030 Vienna, Austria. Ilse.Krebs@wienkav.at
Abstract
BACKGROUND: Combined photodynamic therapy (PDT) and intravitreal injection of triamcinolone acetonide is a new option in the treatment of the neovascular form of age-related macular degeneration. With the aim of increasing safety and efficacy we examined whether it is possible to administer the intravitreal injection prior to PDT. METHODS: Patients with retinal angiomatous proliferation, who have an unfavourable prognosis when treated with PDT alone, were recruited to this study. Intravitreal injection of triamcinolone acetonide was applied 1 day before PDT. Distance acuity testing, retinal thickness measurement and fluorescein angiography were performed before treatment and 6 weeks and 3 months thereafter. RESULTS: Twenty-five patients were included: 18 were female, 7 male. Their mean age was 79 years. The distance acuity was 68 letters before treatment and at the follow-up examinations. The retinal thickness decreased significantly from mean 470.8 microm to 335.4 microm at week 6 and 360.8 microm at month 3. At month 3, 48% showed signs of activity in the fluorescein angiography needing retreatment. Visualisation of the fundus was not reduced by the triamcinolone crystals. DISCUSSION: PDT was possible without difficulty after intravitreal injection of triamcinolone acetonide. Stabilisation of the visual acuity was possible, although only eyes with retinal angiomatous proliferation were included.
BACKGROUND: Combined photodynamic therapy (PDT) and intravitreal injection of triamcinolone acetonide is a new option in the treatment of the neovascular form of age-related macular degeneration. With the aim of increasing safety and efficacy we examined whether it is possible to administer the intravitreal injection prior to PDT. METHODS:Patients with retinal angiomatous proliferation, who have an unfavourable prognosis when treated with PDT alone, were recruited to this study. Intravitreal injection of triamcinolone acetonide was applied 1 day before PDT. Distance acuity testing, retinal thickness measurement and fluorescein angiography were performed before treatment and 6 weeks and 3 months thereafter. RESULTS: Twenty-five patients were included: 18 were female, 7 male. Their mean age was 79 years. The distance acuity was 68 letters before treatment and at the follow-up examinations. The retinal thickness decreased significantly from mean 470.8 microm to 335.4 microm at week 6 and 360.8 microm at month 3. At month 3, 48% showed signs of activity in the fluorescein angiography needing retreatment. Visualisation of the fundus was not reduced by the triamcinolone crystals. DISCUSSION: PDT was possible without difficulty after intravitreal injection of triamcinolone acetonide. Stabilisation of the visual acuity was possible, although only eyes with retinal angiomatous proliferation were included.
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