Microcystic macular oedema, thickness of the inner nuclear layer of the retina, and disease characteristics in multiple sclerosis: a retrospective study.
Microcystic macular oedema, thickness of the inner nuclear layer of the retina, and disease characteristics in multiple sclerosis: a retrospective study.
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DOI:
10.1016/s1474-4422(12)70213-2
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发表时间:
2012-11
期刊:
影响因子:
--
通讯作者:
Calabresi PA
中科院分区:
文献类型:
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作者:
Saidha S;Sotirchos ES;Ibrahim MA;Crainiceanu CM;Gelfand JM;Sepah YJ;Ratchford JN;Oh J;Seigo MA;Newsome SD;Balcer LJ;Frohman EM;Green AJ;Nguyen QD;Calabresi PA
Microcystic macular edema (MME) of the retinal inner nuclear layer (INL) has recently been identified in multiple sclerosis (MS) patients with optical coherence tomography (OCT). We aimed to determine if MME of the INL, and/or higher thickness of the INL, are associated with disease activity, or disability progression. This retrospective study was performed at Johns Hopkins Hospital (between 09/2008 and 03/2012). 164 MS patients and 60 healthy-controls underwent serial OCT scans and clinical evaluation (including visual function). OCT scanning, including automated intra-retinal layer segmentation, yielded thicknesses of the retinal nerve fiber layer, ganglion cell layer (plus inner plexiform layer), INL (plus outer plexiform layer), and outer nuclear layer. MS patients also underwent annual brain MRI scans. Disability scores were compared with the Wilcoxon rank-sum test. Mixed-effects linear regression was used to compare OCT measures and letter-acuity scores. Logistic regression was used to examine the relationships of baseline OCT thicknesses with clinico-radiological parameters. Mean follow-up (standard deviation) for MS patients and healthy-controls was 25·8-months (9·1-months) and 22·4-months (11·4-months) respectively. 10 MS patients (6·1% of the cohort) demonstrated MME during at least one study visit, but MME was not visible at baseline in 6 of these patients. MS patients with vs. without MME (151 MS patients) at any time during the study had higher baseline multiple sclerosis severity scores (p=0·032), although expanded disability status scale (EDSS) scores were not significantly different (p=0·097). MS eyes with MME (12 eyes) vs. without MME (302 eyes) had lower letter-acuity scores (100%-contrast: p=0·017; 2·5%-contrast: p=0·031; 1·25%-contrast: p=0·014), and higher INL thicknesses (p=0·003) at baseline. Higher baseline INL thickness in MS predicted the development of contrast-enhancing lesions (p=0·007), new T2 lesions (p=0·015), EDSS progression (p=0·034), and relapses (in relapsing-remitting MS; p=0·008) during the study. MME was not associated with disease activity during follow-up. Healthy-controls did not demonstrate MME. Increased INL thickness on OCT, potentially representing inflammation of the unmyelinated retina, is associated with disease activity in MS. If this finding is confirmed, INL thickness may be a useful predictor of disease progression in MS. National Multiple Sclerosis Society (TR3760-A-3, RG4212-A-4), National Eye Institute (R01-EY014993, R01-EY019473), Braxton Debbie Angela Dillon and Skip Donor Fund.