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      Pigment Epithelium Defects after Submacular Surgery for Choroidal Neovascularization: First Results

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          It was the aim of this study to compare postoperative pigment epithelium defects after submacular surgery for well-defined choroidal neovascularization (CNV) with preoperative fluorescein angiogram (FAG), indocyanine green angiogram (ICG), and intraoperative findings of the excised neovacularization. Surgical removal of the CNV was videotaped. By means of a gauge the absolute size of an anatomic structure was determined which was visible on video, FAG, and ICG as well. Postoperatively another FAG was performed to further examine the funduscopically visible pigment epithelium defect. By comparison with the above-mentioned anatomic structure it was thus possible to determine the exact size of CNV and pigment epithelium defect. The extent of the pigment epithelium defect as determined on postoperative FAG after submacular surgery surpasses the size of CNV as measured in FAG, ICG, and anatomical preparation.

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          Indocyanine Green Angiography in Age-Related Macular Degeneration with Occult Neovascularization

          This study has been conducted to assess the sensitivity of indocyanine green angiography (ICGA) in detecting choroidal neovascularization (CNV) in patients with age-related macular degeneration (ARMD) with occult CNV at fluorescein angiography (FA) and to establish their eligibility for laser photocoagulation. Three hundred eighty-three eyes of 355 consecutive patients with occult CNV at FA were studied by ICGA; occult CNV with or without pigment epithelial detachment (PED) were detected as well. Eligibility for laser treatment was established on the basis of the ICGA-guided CNV extension and localization. Out of 157 eyes (41%) with occult CNV and PED, 74 (47.1%) showed focal ICGA CNV, 35 eyes (22.3%) had plaque CNV. Thirty-five eyes with PED (22.3%) appeared serous without CNV, and in 13 eyes (8.3%) no CNV was detectable because of large hemorrhages. Out of the 226 eyes (59%) presenting occult CNV without PED, 94 eyes (41.6%) had plaque CNV, and 58 (25.7%) had focal CNV. In 74 eyes (32.7%), there was no detectable CNV or only an ill-defined ICGA appearance. ARMD with PED is closely associated with focal CNV, while plaque CNV is largely found in exudative ARMD without PED (p < 0.001). Considering all the cases examined by ICGA, CNV was evident in 261 eyes (68%) occult at FA. Extrafoveal CNV laser treatment was recommended for 103 eyes (27%). Our results suggest that ICGA may be useful in the diagnosis and management of ARMD with occult CNV at FA increasing the number of patients eligible for laser treatment.

            Author and article information

            S. Karger AG
            April 2000
            15 March 2000
            : 214
            : 2
            : 122-125
            Zentrum für Augenheilkunde, Philipps-Universität, Marburg, Deutschland
            27480 Ophthalmologica 2000;214:122–125
            © 2000 S. Karger AG, Basel

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            Figures: 3, Tables: 1, References: 10, Pages: 4
            Original Paper · Travail original · Originalarbeit


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