Please use this identifier to cite or link to this item: https://doi.org/10.1186/s12886-016-0278-1
Title: Optical coherence tomography angiography in dural carotid-cavernous sinus fistula
Authors: Ang, M 
Sng, C 
Milea, D 
Keywords: anterior eye segment
carotid cavernous fistula
case report
central nervous system malformation
diagnostic imaging
fluorescence angiography
human
male
middle aged
optic disk
optical coherence tomography
vascularization
visual disorder
Anterior Eye Segment
Carotid-Cavernous Sinus Fistula
Central Nervous System Vascular Malformations
Fluorescein Angiography
Humans
Male
Middle Aged
Optic Disk
Tomography, Optical Coherence
Vision Disorders
Issue Date: 2016
Citation: Ang, M, Sng, C, Milea, D (2016). Optical coherence tomography angiography in dural carotid-cavernous sinus fistula. BMC Ophthalmology 16 (1) : 93. ScholarBank@NUS Repository. https://doi.org/10.1186/s12886-016-0278-1
Rights: Attribution 4.0 International
Abstract: Background: Recently, applications of optical coherence tomography angiography (OCTA) have been limited to the retina and posterior segment. Although early studies have described its use for other clinical applications, its role in anterior segment vasculature and optic disc imaging has been limited thus far. Case presentation: We describe a novel clinical application of OCTA in a patient with dural carotid-cavernous sinus fistula (CCF), which was complicated by increased intra-ocular pressure (IOP). In this case report, we used the OCTA to delineate increased epsicleral venous flow in the affected eye with secondary raised IOP. Current measurements of episcleral venous pressure are either invasive or provide highly variable results, thus the OCTA may have the potential to provide a more reliable approach to assess episcleral vasculature. We also describe the use of OCTA to detect early glaucomatous nerve damage, associated with focal reductions in peripapillary retinal perfusion. Conclusions: We present an early report of using OCTA of the anterior segment to allow rapid, non-invasive delineation of abnormal episcleral venous plexus secondary to dural CCF. The OCTA was also useful for detecting early reduction in peripapillary retinal perfusion, which suggests early glaucomatous optic neuropathy. This suggests that OCTA may have a role for determining risk of glaucoma in patients with CCF in future. © 2016 The Author(s).
Source Title: BMC Ophthalmology
URI: https://scholarbank.nus.edu.sg/handle/10635/181357
ISSN: 14712415
DOI: 10.1186/s12886-016-0278-1
Rights: Attribution 4.0 International
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