Presumed macular choroidal watershed vascular filling, choroidal neovascularization, and systemic vascular disease in patients with age-related macular degeneration

American Journal of Ophthalmology
R D RossK A Gitter

Abstract

To investigate the possible association of presumed macular choroidal watershed vascular filling (PMWF), choroidal neovascularization, and systemic vascular disease in patients with age-related macular degeneration. In a retrospective study, we evaluated 74 randomly selected indocyanine green videoangiograms of 74 patients with age-related macular degeneration. We also reviewed the charts of 20 randomly selected, age-matched control patients without age-related macular degeneration, initially referred for uniocular conditions, and subsequently performed indocyanine green videoangiography on their normal fellow eyes. We evaluated these videoangiograms for the presence of PMWF, manifesting as characteristic early choroidal hypofluorescence and its relation to choroidal neovascularization when present. Additionally, the incidence of hypertension, coronary artery disease, peripheral vascular disease, and diabetes mellitus was determined. Forty-one (55.4%) of 74 patients with age-related macular degeneration vs three (15.0%) of 20 normal control patients exhibited PMWF on indocyanine green videoangiography (P = .0014). Of the 61 patients with age-related macular degeneration and choroidal neovascularization, 36 (59.0%) exhibited PMW...Continue Reading

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