Japanese

Indocyanine green angiographic findings in diabetic retinopathy Takeya Kohno 1 , Tokuhiko Miki 1 , Yukio Takamine 1 , Nobuyo Yanagihara 1 , Kiyoko Kitashoji 2 , Masahiko Yamaguchi 3 1Dept of Ophthalmol, Osaka City Univ Med Sch 2Dept of Ophthalmol, Osaka Municipal Kita Citizen's Hosp 3Dept of Ophthalmol, Izumi City Hosp pp.467-472
Published Date 1994/3/15
DOI https://doi.org/10.11477/mf.1410903699
  • Abstract
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We performed indocyanine green (ICG) fluorescence angiography in 98 eyes of diabetic retinopathy, using video infrared fundus camera and high-resolution digitalized imaging system. The present system failed to document areas of capillary nonperfusion or microvascular abnormalities as is customary with conventional fluorescein fundus angiography. Some capillary microaneurysms and neovascularizations showed extravasation of indyconanine green, suggesting increased permeability. Pigmentary disturbance of the macula shown as salt-and-pepper appearance by fluorescein angiography appeared as hypofluorescent areas in ICG angiography, suggesting underlying choriocapillary circulatory disturbances. Intrachoroidal leakage of ICG was occasionally observed. The present studies show that some choroidal vascular distur-bances in diabetic retinopathy can be better detected by ICG than fluorescein angiography.


Copyright © 1994, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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