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Retinal ganglion cell and inner plexiform layer thinning in clinically isolated syndrome


Oberwahrenbrock, T; Ringelstein, M; Jentschke, S; Deuschle, K; Klumbies, K; Bellmann-Strobl, J; Harmel, J; Ruprecht, K; Schippling, S; Hartung, H; Aktas, O; Brandt, A U; Paul, F (2013). Retinal ganglion cell and inner plexiform layer thinning in clinically isolated syndrome. Multiple Sclerosis, 19(14):1887-1895.

Abstract

BACKGROUND: Axonal and neuronal damage are widely accepted as key events in the disease course of multiple sclerosis. However, it has been unclear to date at which stage in disease evolution neurodegeneration begins and whether neuronal damage can occur even in the absence of acute inflammatory attacks.
OBJECTIVE: To characterize inner retinal layer changes in patients with clinically isolated syndrome (CIS).
METHOD: 45 patients with CIS and age- and sex-matched healthy controls were investigated using spectral domain optical coherence tomography. Patients' eyes were stratified into the following categories according to history of optic neuritis (ON): eyes with clinically-diagnosed ON (CIS-ON), eyes with suspected subclinical ON (CIS-SON) as indicated by a visual evoked potential latency of >115ms and eyes unaffected by ON (CIS-NON).
RESULTS: CIS-NON eyes showed significant reduction of ganglion cell- and inner plexiform layer and a topography similar to that of CIS-ON eyes. Seven eyes were characterized as CIS-SON and likewise showed significant retinal layer thinning. The most pronounced thinning was present in CIS-ON eyes.
CONCLUSION: Our findings indicate that retinal pathology does occur already in CIS. Intraretinal layer segmentation may be an easily applicable, non-invasive method for early detection of retinal pathology in patients unaffected by ON.

Abstract

BACKGROUND: Axonal and neuronal damage are widely accepted as key events in the disease course of multiple sclerosis. However, it has been unclear to date at which stage in disease evolution neurodegeneration begins and whether neuronal damage can occur even in the absence of acute inflammatory attacks.
OBJECTIVE: To characterize inner retinal layer changes in patients with clinically isolated syndrome (CIS).
METHOD: 45 patients with CIS and age- and sex-matched healthy controls were investigated using spectral domain optical coherence tomography. Patients' eyes were stratified into the following categories according to history of optic neuritis (ON): eyes with clinically-diagnosed ON (CIS-ON), eyes with suspected subclinical ON (CIS-SON) as indicated by a visual evoked potential latency of >115ms and eyes unaffected by ON (CIS-NON).
RESULTS: CIS-NON eyes showed significant reduction of ganglion cell- and inner plexiform layer and a topography similar to that of CIS-ON eyes. Seven eyes were characterized as CIS-SON and likewise showed significant retinal layer thinning. The most pronounced thinning was present in CIS-ON eyes.
CONCLUSION: Our findings indicate that retinal pathology does occur already in CIS. Intraretinal layer segmentation may be an easily applicable, non-invasive method for early detection of retinal pathology in patients unaffected by ON.

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35 citations in Web of Science®
40 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Neurology
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:19 December 2013
Deposited On:08 Jan 2014 12:55
Last Modified:05 Apr 2016 17:16
Publisher:SAGE Publications
ISSN:1352-4585
Publisher DOI:https://doi.org/10.1177/1352458513489757
PubMed ID:23702433

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