Retinal thickness measured with optical coherence tomography and risk of disability worsening in multiple sclerosis: A cohort study

IMSVISUAL consortium

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110 Citations (Scopus)

Abstract

Background: Most patients with multiple sclerosis without previous optic neuritis have thinner retinal layers than healthy controls. We assessed the role of peripapillary retinal nerve fibre layer (pRNFL) thickness and macular volume in eyes with no history of optic neuritis as a biomarker of disability worsening in a cohort of patients with multiple sclerosis who had at least one eye without optic neuritis available. Methods: In this multicentre, cohort study, we collected data about patients (age ≥16 years old) with clinically isolated syndrome, relapsing-remitting multiple sclerosis, and progressive multiple sclerosis. Patients were recruited from centres in Spain, Italy, France, Germany, Czech Republic, Netherlands, Canada, and the USA, with the first cohort starting in 2008 and the latest cohort starting in 2013. We assessed disability worsening using the Expanded Disability Status Scale (EDSS). The pRNFL thickness and macular volume were assessed once at study entry (baseline) by optical coherence tomography (OCT) and was calculated as the mean value of both eyes without optic neuritis for patients without a history of optic neuritis or the value of the non-optic neuritis eye for patients with previous unilateral optic neuritis. Researchers who did the OCT at baseline were masked to EDSS results and the researchers assessing disability with EDSS were masked to OCT results. We estimated the association of pRNFL thickness or macular volume at baseline in eyes without optic neuritis with the risk of subsequent disability worsening by use of proportional hazards models that included OCT metrics and age, disease duration, disability, presence of previous unilateral optic neuritis, and use of disease-modifying therapies as covariates. Findings: 879 patients with clinically isolated syndrome (n=74), relapsing-remitting multiple sclerosis (n=664), or progressive multiple sclerosis (n=141) were included in the primary analyses. Disability worsening occurred in 252 (29%) of 879 patients with multiple sclerosis after a median follow-up of 2·0 years (range 0·5-5 years). Patients with a pRNFL of less than or equal to 87 μm or less than or equal to 88 μm (measured with Spectralis or Cirrus OCT devices) had double the risk of disability worsening at any time after the first and up to the third years of follow-up (hazard ratio 2·06, 95% CI 1·36-3·11; p=0·001), and the risk was increased by nearly four times after the third and up to the fifth years of follow-up (3·81, 1·63-8·91; p=0·002). We did not identify meaningful associations for macular volume. Interpretation: Our results provide evidence of the usefulness of monitoring pRNFL thickness by OCT for prediction of the risk of disability worsening with time in patients with multiple sclerosis. Funding: Instituto de Salud Carlos III.

Original languageEnglish (US)
Pages (from-to)574-584
Number of pages11
JournalThe Lancet Neurology
Volume15
Issue number6
DOIs
StatePublished - May 1 2016

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Optical Coherence Tomography
Optic Neuritis
Multiple Sclerosis
Cohort Studies
Nerve Fibers
Relapsing-Remitting Multiple Sclerosis
Research Personnel
Neuritis
Czech Republic
Proportional Hazards Models
Netherlands
Spain
Italy
Multicenter Studies
France
Canada
Germany
Biomarkers
Equipment and Supplies

ASJC Scopus subject areas

  • Clinical Neurology

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Retinal thickness measured with optical coherence tomography and risk of disability worsening in multiple sclerosis : A cohort study. / IMSVISUAL consortium.

In: The Lancet Neurology, Vol. 15, No. 6, 01.05.2016, p. 574-584.

Research output: Contribution to journalArticle

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abstract = "Background: Most patients with multiple sclerosis without previous optic neuritis have thinner retinal layers than healthy controls. We assessed the role of peripapillary retinal nerve fibre layer (pRNFL) thickness and macular volume in eyes with no history of optic neuritis as a biomarker of disability worsening in a cohort of patients with multiple sclerosis who had at least one eye without optic neuritis available. Methods: In this multicentre, cohort study, we collected data about patients (age ≥16 years old) with clinically isolated syndrome, relapsing-remitting multiple sclerosis, and progressive multiple sclerosis. Patients were recruited from centres in Spain, Italy, France, Germany, Czech Republic, Netherlands, Canada, and the USA, with the first cohort starting in 2008 and the latest cohort starting in 2013. We assessed disability worsening using the Expanded Disability Status Scale (EDSS). The pRNFL thickness and macular volume were assessed once at study entry (baseline) by optical coherence tomography (OCT) and was calculated as the mean value of both eyes without optic neuritis for patients without a history of optic neuritis or the value of the non-optic neuritis eye for patients with previous unilateral optic neuritis. Researchers who did the OCT at baseline were masked to EDSS results and the researchers assessing disability with EDSS were masked to OCT results. We estimated the association of pRNFL thickness or macular volume at baseline in eyes without optic neuritis with the risk of subsequent disability worsening by use of proportional hazards models that included OCT metrics and age, disease duration, disability, presence of previous unilateral optic neuritis, and use of disease-modifying therapies as covariates. Findings: 879 patients with clinically isolated syndrome (n=74), relapsing-remitting multiple sclerosis (n=664), or progressive multiple sclerosis (n=141) were included in the primary analyses. Disability worsening occurred in 252 (29{\%}) of 879 patients with multiple sclerosis after a median follow-up of 2·0 years (range 0·5-5 years). Patients with a pRNFL of less than or equal to 87 μm or less than or equal to 88 μm (measured with Spectralis or Cirrus OCT devices) had double the risk of disability worsening at any time after the first and up to the third years of follow-up (hazard ratio 2·06, 95{\%} CI 1·36-3·11; p=0·001), and the risk was increased by nearly four times after the third and up to the fifth years of follow-up (3·81, 1·63-8·91; p=0·002). We did not identify meaningful associations for macular volume. Interpretation: Our results provide evidence of the usefulness of monitoring pRNFL thickness by OCT for prediction of the risk of disability worsening with time in patients with multiple sclerosis. Funding: Instituto de Salud Carlos III.",
author = "{IMSVISUAL consortium} and Martinez-Lapiscina, {Elena H.} and Sam Arnow and Wilson, {James A.} and Shiv Saidha and Preiningerova, {Jana Lizrova} and Timm Oberwahrenbrock and Brandt, {Alexander U.} and Pablo, {Luis E.} and Simone Guerrieri and Ines Gonzalez and Olivier Outteryck and Mueller, {Ann Kristin} and Phillip Albrecht and Wesley Chan and Sebastian Lukas and Balk, {Lisanne J.} and Clare Fraser and Frederiksen, {Jette L.} and Jennifer Resto and Teresa Frohman and Christian Cordano and Irati Zubizarreta and Magi Andorra and Bernardo Sanchez-Dalmau and Albert Saiz and Robert Bermel and Alexander Klistorner and Axel Petzold and Sven Schippling and Fiona Costello and Orhan Aktas and Patrick Vermersch and Celia Oreja-Guevara and Giancarlo Comi and Letizia Leocani and Elena Garcia-Martin and Friedemann Paul and Eva Havrdova and Elliot Frohman and Balcer, {Laura J.} and Green, {Ari J.} and Calabresi, {Peter A.} and Pablo Villoslada",
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T1 - Retinal thickness measured with optical coherence tomography and risk of disability worsening in multiple sclerosis

T2 - A cohort study

AU - IMSVISUAL consortium

AU - Martinez-Lapiscina, Elena H.

AU - Arnow, Sam

AU - Wilson, James A.

AU - Saidha, Shiv

AU - Preiningerova, Jana Lizrova

AU - Oberwahrenbrock, Timm

AU - Brandt, Alexander U.

AU - Pablo, Luis E.

AU - Guerrieri, Simone

AU - Gonzalez, Ines

AU - Outteryck, Olivier

AU - Mueller, Ann Kristin

AU - Albrecht, Phillip

AU - Chan, Wesley

AU - Lukas, Sebastian

AU - Balk, Lisanne J.

AU - Fraser, Clare

AU - Frederiksen, Jette L.

AU - Resto, Jennifer

AU - Frohman, Teresa

AU - Cordano, Christian

AU - Zubizarreta, Irati

AU - Andorra, Magi

AU - Sanchez-Dalmau, Bernardo

AU - Saiz, Albert

AU - Bermel, Robert

AU - Klistorner, Alexander

AU - Petzold, Axel

AU - Schippling, Sven

AU - Costello, Fiona

AU - Aktas, Orhan

AU - Vermersch, Patrick

AU - Oreja-Guevara, Celia

AU - Comi, Giancarlo

AU - Leocani, Letizia

AU - Garcia-Martin, Elena

AU - Paul, Friedemann

AU - Havrdova, Eva

AU - Frohman, Elliot

AU - Balcer, Laura J.

AU - Green, Ari J.

AU - Calabresi, Peter A.

AU - Villoslada, Pablo

PY - 2016/5/1

Y1 - 2016/5/1

N2 - Background: Most patients with multiple sclerosis without previous optic neuritis have thinner retinal layers than healthy controls. We assessed the role of peripapillary retinal nerve fibre layer (pRNFL) thickness and macular volume in eyes with no history of optic neuritis as a biomarker of disability worsening in a cohort of patients with multiple sclerosis who had at least one eye without optic neuritis available. Methods: In this multicentre, cohort study, we collected data about patients (age ≥16 years old) with clinically isolated syndrome, relapsing-remitting multiple sclerosis, and progressive multiple sclerosis. Patients were recruited from centres in Spain, Italy, France, Germany, Czech Republic, Netherlands, Canada, and the USA, with the first cohort starting in 2008 and the latest cohort starting in 2013. We assessed disability worsening using the Expanded Disability Status Scale (EDSS). The pRNFL thickness and macular volume were assessed once at study entry (baseline) by optical coherence tomography (OCT) and was calculated as the mean value of both eyes without optic neuritis for patients without a history of optic neuritis or the value of the non-optic neuritis eye for patients with previous unilateral optic neuritis. Researchers who did the OCT at baseline were masked to EDSS results and the researchers assessing disability with EDSS were masked to OCT results. We estimated the association of pRNFL thickness or macular volume at baseline in eyes without optic neuritis with the risk of subsequent disability worsening by use of proportional hazards models that included OCT metrics and age, disease duration, disability, presence of previous unilateral optic neuritis, and use of disease-modifying therapies as covariates. Findings: 879 patients with clinically isolated syndrome (n=74), relapsing-remitting multiple sclerosis (n=664), or progressive multiple sclerosis (n=141) were included in the primary analyses. Disability worsening occurred in 252 (29%) of 879 patients with multiple sclerosis after a median follow-up of 2·0 years (range 0·5-5 years). Patients with a pRNFL of less than or equal to 87 μm or less than or equal to 88 μm (measured with Spectralis or Cirrus OCT devices) had double the risk of disability worsening at any time after the first and up to the third years of follow-up (hazard ratio 2·06, 95% CI 1·36-3·11; p=0·001), and the risk was increased by nearly four times after the third and up to the fifth years of follow-up (3·81, 1·63-8·91; p=0·002). We did not identify meaningful associations for macular volume. Interpretation: Our results provide evidence of the usefulness of monitoring pRNFL thickness by OCT for prediction of the risk of disability worsening with time in patients with multiple sclerosis. Funding: Instituto de Salud Carlos III.

AB - Background: Most patients with multiple sclerosis without previous optic neuritis have thinner retinal layers than healthy controls. We assessed the role of peripapillary retinal nerve fibre layer (pRNFL) thickness and macular volume in eyes with no history of optic neuritis as a biomarker of disability worsening in a cohort of patients with multiple sclerosis who had at least one eye without optic neuritis available. Methods: In this multicentre, cohort study, we collected data about patients (age ≥16 years old) with clinically isolated syndrome, relapsing-remitting multiple sclerosis, and progressive multiple sclerosis. Patients were recruited from centres in Spain, Italy, France, Germany, Czech Republic, Netherlands, Canada, and the USA, with the first cohort starting in 2008 and the latest cohort starting in 2013. We assessed disability worsening using the Expanded Disability Status Scale (EDSS). The pRNFL thickness and macular volume were assessed once at study entry (baseline) by optical coherence tomography (OCT) and was calculated as the mean value of both eyes without optic neuritis for patients without a history of optic neuritis or the value of the non-optic neuritis eye for patients with previous unilateral optic neuritis. Researchers who did the OCT at baseline were masked to EDSS results and the researchers assessing disability with EDSS were masked to OCT results. We estimated the association of pRNFL thickness or macular volume at baseline in eyes without optic neuritis with the risk of subsequent disability worsening by use of proportional hazards models that included OCT metrics and age, disease duration, disability, presence of previous unilateral optic neuritis, and use of disease-modifying therapies as covariates. Findings: 879 patients with clinically isolated syndrome (n=74), relapsing-remitting multiple sclerosis (n=664), or progressive multiple sclerosis (n=141) were included in the primary analyses. Disability worsening occurred in 252 (29%) of 879 patients with multiple sclerosis after a median follow-up of 2·0 years (range 0·5-5 years). Patients with a pRNFL of less than or equal to 87 μm or less than or equal to 88 μm (measured with Spectralis or Cirrus OCT devices) had double the risk of disability worsening at any time after the first and up to the third years of follow-up (hazard ratio 2·06, 95% CI 1·36-3·11; p=0·001), and the risk was increased by nearly four times after the third and up to the fifth years of follow-up (3·81, 1·63-8·91; p=0·002). We did not identify meaningful associations for macular volume. Interpretation: Our results provide evidence of the usefulness of monitoring pRNFL thickness by OCT for prediction of the risk of disability worsening with time in patients with multiple sclerosis. Funding: Instituto de Salud Carlos III.

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