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Japanese

Wide-angle indocyanine green angiography in diabetic retinopathy after panretinal photocoagulation Noriko Sutoh 1 , Kanemitsu Muraoka 1 , Kenji Tokui 1 , Kyoichi Takahashi 1 1Dept of Ophthalmol, Gunma Univ Sch of Med pp.121-127
Published Date 1995/1/15
DOI https://doi.org/10.11477/mf.1410904149
  • Abstract
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We evaluated 19 eyes with proliferative diabetic retinopathy before and after panretinal photocoagulation. We used a panoramic technique using indocyanine green angiography attached with a hand-held superfield noncontact lens. This technique allowed observation of the fundus beyond the site of vortex veins. The findings were compared with those in 10 healthy eyes. Each photocoagulated spot was characterized by absence of diffuse background fluorescence suggesting obliteration of choriocapillaris. Also, the whole retinal area treated by photocoagulation showed significantly decreased fluorescence. Major choroidal vessels running through the coagulated spots showed marked narrowing as compared with pretreatment state. The findings seemed to suggest that panretinal photocoagulation induces decreased choroidal vascular flow associated with occlusion of choriocapillaris and attenuation of choroidal vessels.


Copyright © 1995, 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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