Alterations in the retinal vasculature occur in multiple sclerosis and exhibit novel correlations with disability and visual function measures

Olwen C. Murphy, Ohemaa Kwakyi, Mustafa Iftikhar, Sidra Zafar, Jeffrey Lambe, Nicole Pellegrini, Elias S. Sotirchos, Natalia Gonzalez-Caldito, Esther Ogbuokiri, Angeliki Filippatou, Hunter Risher, Norah Cowley, Sydney Feldman, Nicholas Fioravante, Elliot Frohman, Teresa Frohman, Laura J. Balcer, Jerry L. Prince, Roomasa Channa, Peter A. Calabresi & 1 others Shiv Saidha

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Background: The retinal vasculature may be altered in multiple sclerosis (MS), potentially acting as a biomarker of disease processes. Objective: To compare retinal vascular plexus densities in people with MS (PwMS) and healthy controls (HCs), and examine correlations with visual function and global disability. Methods: In this cross-sectional study, 111 PwMS (201 eyes) and 50 HCs (97 eyes) underwent optical coherence tomography angiography (OCTA). Macular superficial vascular plexus (SVP) and deep vascular plexus (DVP) densities were quantified, and poor quality images were excluded according to an artifact-rating protocol. Results: Mean SVP density was 24.1% (SD = 5.5) in MS eyes (26.0% (SD = 4.7) in non-optic neuritis (ON) eyes vs. 21.7% (SD = 5.5) in ON eyes, p < 0.001), as compared to 29.2% (SD = 3.3) in HC eyes (p < 0.001 for all MS eyes and multiple sclerosis optic neuritis (MSON) eyes vs. HC eyes, p = 0.03 for MS non-ON eyes vs. HC eyes). DVP density did not differ between groups. In PwMS, lower SVP density was associated with higher levels of disability (expanded disability status scale (EDSS): R2 = 0.26, p = 0.004; multiple sclerosis functional composite (MSFC): R2 = 0.27, p = 0.03) and lower letter acuity scores (100% contrast: R2 = 0.29; 2.5% contrast: R2 = 0.40; 1.25% contrast: R2 = 0.31; p < 0.001 for all). Conclusions: Retinal SVP density measured by OCTA is reduced across MS eyes, and correlates with visual function, EDSS, and MSFC scores.

Original languageEnglish (US)
JournalMultiple Sclerosis Journal
DOIs
StatePublished - Jan 1 2019

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Multiple Sclerosis
Blood Vessels
Neuritis
Retinal Vessels
Optic Neuritis
Optical Coherence Tomography
Angiography
Artifacts
Cross-Sectional Studies
Biomarkers

Keywords

  • Multiple sclerosis
  • angiography
  • optical coherence tomography
  • retinal vasculature

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

Cite this

Alterations in the retinal vasculature occur in multiple sclerosis and exhibit novel correlations with disability and visual function measures. / Murphy, Olwen C.; Kwakyi, Ohemaa; Iftikhar, Mustafa; Zafar, Sidra; Lambe, Jeffrey; Pellegrini, Nicole; Sotirchos, Elias S.; Gonzalez-Caldito, Natalia; Ogbuokiri, Esther; Filippatou, Angeliki; Risher, Hunter; Cowley, Norah; Feldman, Sydney; Fioravante, Nicholas; Frohman, Elliot; Frohman, Teresa; Balcer, Laura J.; Prince, Jerry L.; Channa, Roomasa; Calabresi, Peter A.; Saidha, Shiv.

In: Multiple Sclerosis Journal, 01.01.2019.

Research output: Contribution to journalArticle

Murphy, OC, Kwakyi, O, Iftikhar, M, Zafar, S, Lambe, J, Pellegrini, N, Sotirchos, ES, Gonzalez-Caldito, N, Ogbuokiri, E, Filippatou, A, Risher, H, Cowley, N, Feldman, S, Fioravante, N, Frohman, E, Frohman, T, Balcer, LJ, Prince, JL, Channa, R, Calabresi, PA & Saidha, S 2019, 'Alterations in the retinal vasculature occur in multiple sclerosis and exhibit novel correlations with disability and visual function measures', Multiple Sclerosis Journal. https://doi.org/10.1177/1352458519845116
Murphy, Olwen C. ; Kwakyi, Ohemaa ; Iftikhar, Mustafa ; Zafar, Sidra ; Lambe, Jeffrey ; Pellegrini, Nicole ; Sotirchos, Elias S. ; Gonzalez-Caldito, Natalia ; Ogbuokiri, Esther ; Filippatou, Angeliki ; Risher, Hunter ; Cowley, Norah ; Feldman, Sydney ; Fioravante, Nicholas ; Frohman, Elliot ; Frohman, Teresa ; Balcer, Laura J. ; Prince, Jerry L. ; Channa, Roomasa ; Calabresi, Peter A. ; Saidha, Shiv. / Alterations in the retinal vasculature occur in multiple sclerosis and exhibit novel correlations with disability and visual function measures. In: Multiple Sclerosis Journal. 2019.
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abstract = "Background: The retinal vasculature may be altered in multiple sclerosis (MS), potentially acting as a biomarker of disease processes. Objective: To compare retinal vascular plexus densities in people with MS (PwMS) and healthy controls (HCs), and examine correlations with visual function and global disability. Methods: In this cross-sectional study, 111 PwMS (201 eyes) and 50 HCs (97 eyes) underwent optical coherence tomography angiography (OCTA). Macular superficial vascular plexus (SVP) and deep vascular plexus (DVP) densities were quantified, and poor quality images were excluded according to an artifact-rating protocol. Results: Mean SVP density was 24.1{\%} (SD = 5.5) in MS eyes (26.0{\%} (SD = 4.7) in non-optic neuritis (ON) eyes vs. 21.7{\%} (SD = 5.5) in ON eyes, p < 0.001), as compared to 29.2{\%} (SD = 3.3) in HC eyes (p < 0.001 for all MS eyes and multiple sclerosis optic neuritis (MSON) eyes vs. HC eyes, p = 0.03 for MS non-ON eyes vs. HC eyes). DVP density did not differ between groups. In PwMS, lower SVP density was associated with higher levels of disability (expanded disability status scale (EDSS): R2 = 0.26, p = 0.004; multiple sclerosis functional composite (MSFC): R2 = 0.27, p = 0.03) and lower letter acuity scores (100{\%} contrast: R2 = 0.29; 2.5{\%} contrast: R2 = 0.40; 1.25{\%} contrast: R2 = 0.31; p < 0.001 for all). Conclusions: Retinal SVP density measured by OCTA is reduced across MS eyes, and correlates with visual function, EDSS, and MSFC scores.",
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AU - Kwakyi, Ohemaa

AU - Iftikhar, Mustafa

AU - Zafar, Sidra

AU - Lambe, Jeffrey

AU - Pellegrini, Nicole

AU - Sotirchos, Elias S.

AU - Gonzalez-Caldito, Natalia

AU - Ogbuokiri, Esther

AU - Filippatou, Angeliki

AU - Risher, Hunter

AU - Cowley, Norah

AU - Feldman, Sydney

AU - Fioravante, Nicholas

AU - Frohman, Elliot

AU - Frohman, Teresa

AU - Balcer, Laura J.

AU - Prince, Jerry L.

AU - Channa, Roomasa

AU - Calabresi, Peter A.

AU - Saidha, Shiv

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N2 - Background: The retinal vasculature may be altered in multiple sclerosis (MS), potentially acting as a biomarker of disease processes. Objective: To compare retinal vascular plexus densities in people with MS (PwMS) and healthy controls (HCs), and examine correlations with visual function and global disability. Methods: In this cross-sectional study, 111 PwMS (201 eyes) and 50 HCs (97 eyes) underwent optical coherence tomography angiography (OCTA). Macular superficial vascular plexus (SVP) and deep vascular plexus (DVP) densities were quantified, and poor quality images were excluded according to an artifact-rating protocol. Results: Mean SVP density was 24.1% (SD = 5.5) in MS eyes (26.0% (SD = 4.7) in non-optic neuritis (ON) eyes vs. 21.7% (SD = 5.5) in ON eyes, p < 0.001), as compared to 29.2% (SD = 3.3) in HC eyes (p < 0.001 for all MS eyes and multiple sclerosis optic neuritis (MSON) eyes vs. HC eyes, p = 0.03 for MS non-ON eyes vs. HC eyes). DVP density did not differ between groups. In PwMS, lower SVP density was associated with higher levels of disability (expanded disability status scale (EDSS): R2 = 0.26, p = 0.004; multiple sclerosis functional composite (MSFC): R2 = 0.27, p = 0.03) and lower letter acuity scores (100% contrast: R2 = 0.29; 2.5% contrast: R2 = 0.40; 1.25% contrast: R2 = 0.31; p < 0.001 for all). Conclusions: Retinal SVP density measured by OCTA is reduced across MS eyes, and correlates with visual function, EDSS, and MSFC scores.

AB - Background: The retinal vasculature may be altered in multiple sclerosis (MS), potentially acting as a biomarker of disease processes. Objective: To compare retinal vascular plexus densities in people with MS (PwMS) and healthy controls (HCs), and examine correlations with visual function and global disability. Methods: In this cross-sectional study, 111 PwMS (201 eyes) and 50 HCs (97 eyes) underwent optical coherence tomography angiography (OCTA). Macular superficial vascular plexus (SVP) and deep vascular plexus (DVP) densities were quantified, and poor quality images were excluded according to an artifact-rating protocol. Results: Mean SVP density was 24.1% (SD = 5.5) in MS eyes (26.0% (SD = 4.7) in non-optic neuritis (ON) eyes vs. 21.7% (SD = 5.5) in ON eyes, p < 0.001), as compared to 29.2% (SD = 3.3) in HC eyes (p < 0.001 for all MS eyes and multiple sclerosis optic neuritis (MSON) eyes vs. HC eyes, p = 0.03 for MS non-ON eyes vs. HC eyes). DVP density did not differ between groups. In PwMS, lower SVP density was associated with higher levels of disability (expanded disability status scale (EDSS): R2 = 0.26, p = 0.004; multiple sclerosis functional composite (MSFC): R2 = 0.27, p = 0.03) and lower letter acuity scores (100% contrast: R2 = 0.29; 2.5% contrast: R2 = 0.40; 1.25% contrast: R2 = 0.31; p < 0.001 for all). Conclusions: Retinal SVP density measured by OCTA is reduced across MS eyes, and correlates with visual function, EDSS, and MSFC scores.

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KW - angiography

KW - optical coherence tomography

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