Transient Cortical Blindness Following Bypass Graft Angiography: A Case Report

Transient cortical blindness, an uncommonly recognized complication of cerebral angiog raphy, is an exceedingly rare event after cardiac catheterization and angiography. This report describes a sixty-two-year-old patient who had transient cortical blindness following bypass graft angiography. In thi...

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Bibliographic Details
Published in:Angiology 1995-10, Vol.46 (10), p.937-946
Main Authors: Kamata, Junya, Fukami, Kenichi, Yoshida, Hiroaki, Mizunuma, Yoshimi, Moriai, Naoki, Takino, Toshitake, Hosokawa, Shunichi, Hashimoto, Koya, Nakai, Kenji, Kawazoe, Kohei, Hiramori, Katsuhiko
Format: Article
Language:English
Subjects:
Biological and medical sciences
Blindness - etiology
Cardiovascular system
Coronary Angiography - adverse effects
Coronary Artery Bypass
Coronary Disease - diagnostic imaging
Coronary Disease - surgery
Humans
Investigative techniques, diagnostic techniques (general aspects)
Male
Medical sciences
Middle Aged
Radiodiagnosis. Nmr imagery. Nmr spectrometry
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Summary:Transient cortical blindness, an uncommonly recognized complication of cerebral angiog raphy, is an exceedingly rare event after cardiac catheterization and angiography. This report describes a sixty-two-year-old patient who had transient cortical blindness following bypass graft angiography. In this case, the authors showed that cortical blindness was associated with the breakage of the blood-brain barrier (BBB) and an increase in vascular permeability rather than with primary cerebral circulatory insuffi ciency. When the possibility exists that an excess volume of contrast medium may enter the cerebral circulation as in this case, that is, following a coronary artery bypass graft (CABG) using the internal mammary artery (IMA), precautionary measures may be necessary such as changing the type of contrast medium to be used or decreasing the volume injected. When cortical blindness occurs, it is a serious clinical problem whether transient or permanent. Therefore, the circumstances leading to this complication should be understood to determine suitable treatment and management.
ISSN:0003-3197
1940-1574
DOI:10.1177/000331979504601009