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Arquivos de Neuro-Psiquiatria

Print version ISSN 0004-282X


LANA-PEIXOTO, Marco Aurélio. The arteritic type of the anterior ischemic optic neuropathy: a study of 25 cases. Arq. Neuro-Psiquiatr. [online]. 1994, vol.52, n.3, pp.343-353. ISSN 0004-282X.

The clinical, laboratorial,perimetric and fluorescein angiographic features of the arteritic type of the anterior ischemic optic neuropathy (A-AION) was studied in 25 patients (40 eyes) in order to characterize the profile of the disease and to allow the differential diagnosis with the non-arteritic anterior ischemic optic neuropathy (NA-AION) and other disorders of the optic nerve. The A-AION occurred in patients 60 to 88 years old (mean 74 years) and was highly predominant in females (64 per cent). Fifteen patients had both eyes involved , either simultaneously or usually within few days or weeks after the initial involvement. Headache and eye pain were the most commonly observed prodromic complaints whereas systemic symptoms of giant cell arteritis (GCA) were seen in all patients. The laboratorial abnormalities most commonly found were high values of reactive C protein, plasmatic fibrinogen and erythrocyte sedimentation rate. In the great majority of the patients visual acuity was severely affected. The optic disc was always abnormal, usually showing a pale edema. In addition to that retinal changes were commonly found. Goldmann perimetry disclosed a wide variety of visual fields abnormalities, the most common of them being inferior altitudinal defects. Fluorescein fundus angiography revealed delayed or absent disc fluorescence, or sectorial or diffuse hypofluorescence or hyperfluorescence of the optic disc. Choroidal filling delay was the most characteristic and frequent angiographic finding in the arterite type of the disease.

Keywords : arteritic anterior ischemic optic neuropathy; non-arteritic anterior ischemic optic neuropathy; giant cell arteritis.

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