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Optical coherence tomography angiography enhances the detection of optic nerve damage in multiple sclerosis
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Optical coherence tomography angiography enhances the detection of optic nerve damage in multiple sclerosis
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Optical coherence tomography angiography enhances the detection of optic nerve damage in multiple sclerosis
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Journal Article
Optical coherence tomography angiography enhances the detection of optic nerve damage in multiple sclerosis
2018
Overview
BackgroundQuantitative assessment of optic nerve damage is important in the evaluation of optic neuritis (ON) and multiple sclerosis (MS).ObjectiveTo detect optic nerve damage using optical coherence tomography (OCT) and OCT angiography in MS.MethodsPeripapillary retinal nerve fibre layer (NFL) thickness, macular ganglion cell complex (GCC) thickness and Optic Nerve Head Flow Index (ONH-FI) were measured. The ONH-FI was defined as flow signal averaged over the optic disc. Diagnostic accuracy was evaluated by the area under the receiver-operating characteristics curve (AROC).ResultsSixty-eight eyes of 45 MS participants and 55 eyes of 32 healthy controls (HCs) were analysed. Of MS eyes, 25 had a history of ON (MS+ON) and 43 didn’t (MS−ON). MS−ON and MS+ON eyes had reductions in ONH-FI (p=0.031 and p=0.001, respectively), GCC thickness (p=0.245 and p<0.001, respectively), and NFL thickness (p=0.003 and p=0.024, respectively), compared with HCs. The highest AROC (0.940) was achieved by the logistic regression combination of all three variables, which was significantly higher than other variables (p=0.018).ConclusionMS produces both retinal structural loss and decreased ONH perfusion in MS eyes with and without history of ON. The combination of perfusion and structural measurements enhances detection of optic nerve damage in MS. OCT angiography may be a useful additional retinal marker in evaluation of ON in MS.
Publisher
BMJ Publishing Group LTD
Subject
