1. Friedemann Paul

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    1. Mentioned In 34 Articles

    2. Normative data and minimally detectable change for inner retinal layer thicknesses using a semi-automated OCT image segmentation pipeline

      Explore Frontiers Neurology , Ophthalmology
      Normative data and minimally detectable change for inner retinal layer thicknesses using a semi-automated OCT image segmentation pipeline
      Neurodegenerative and neuroinflammatory diseases regularly cause optic nerve and retinal damage. Evaluating retinal changes using optical coherence tomography (OCT) in diseases like multiple sclerosis has thus become increasingly relevant. However, intraretinal segmentation, a necessary step for interpreting retinal changes in the context of these diseases, is not standardized and often requires manual correction. Here we present a semi-automatic intraretinal layer segmentation pipeline and establish normative values for retinal layer thicknesses ...
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      Mentions: UC Irvine Friedemann Paul

    3. Reliability of Intra-Retinal Layer Thickness Estimates

      Explore Journals | PLOS Ophthalmology
      Reliability of Intra-Retinal Layer Thickness Estimates
      Purpose Measurement of intra-retinal layer thickness using optical coherence tomography (OCT) has become increasingly prominent in multiple sclerosis (MS) research. Nevertheless, the approaches used for determining the mean layer thicknesses vary greatly. Insufficient data exist on the reliability of different thickness estimates, which is crucial for their application in clinical studies. This study addresses this lack by evaluating the repeatability of different thickness estimates. Methods Studies that used intra-retinal layer ...
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      Mentions: Topcon Medical Systems Friedemann Paul Timm Oberwahrenbrock

    4. Optical coherence tomography in myelin-oligodendrocyte-glycoprotein antibody-seropositive patients: a longitudinal study

      Explore Journal of Neuroinflammation Neurology , Ophthalmology
      Optical coherence tomography in myelin-oligodendrocyte-glycoprotein antibody-seropositive patients: a longitudinal study
      Background Serum antibodies against myelin-oligodendrocyte-glycoprotein (MOG-IgG) are detectable in a proportion of patients with acute or relapsing neuroinflammation. It is unclear, if neuro-axonal damage occurs only in an attack-dependent manner or also progressively. Therefore, this study aimed to investigate longitudinally intra-retinal layer changes in eyes without new optic neuritis (ON) in MOG-IgG-seropositive patients. Methods We included 38 eyes of 24 patients without ON during follow-up (F/U) [median years (IQR ...
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      Mentions: Friedemann Paul

    5. Optimal intereye difference thresholds by optical coherence tomography in multiple sclerosis: An international study

      Explore Wiley Online Library Neurology , Ophthalmology
      Optimal intereye difference thresholds by optical coherence tomography in multiple sclerosis: An international study
      Objective To determine the optimal thresholds for intereye differences in retinal nerve fiber and ganglion cell + inner plexiform layer thicknesses for identifying unilateral optic nerve lesions in multiple sclerosis. Current international diagnostic criteria for multiple sclerosis do not include the optic nerve as a lesion site despite frequent involvement. Optical coherence tomography detects retinal thinning associated with optic nerve lesions. Methods In this multicenter international study at 11 sites, optical ...
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      Mentions: Peter A. Calabresi Johns Hopkins University Laura J. Balcer

    6. Optimal Inter‐Eye Difference Thresholds by OCT in MS: An International Study

      Explore Wiley Online Library Neurology , Ophthalmology
      Optimal Inter‐Eye Difference Thresholds by OCT in MS: An International Study
      Objective To determine the optimal thresholds for inter‐eye differences in retinal nerve fiber and ganglion cell+inner plexiform layer thicknesses for identifying unilateral optic nerve lesions in multiple sclerosis. Background Current international diagnostic criteria for multiple sclerosis do not include the optic nerve as a lesion site despite frequent involvement. Optical coherence tomography detects retinal thinning associated with optic nerve lesions. Methods In this multi‐center international study at ...
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      Mentions: Peter A. Calabresi Johns Hopkins University Laura J. Balcer

    7. Novel uses of retinal imaging with optical coherence tomography in multiple sclerosis

      Explore Taylor & Francis Online Neurology , Ophthalmology
      Novel uses of retinal imaging with optical coherence tomography in multiple sclerosis
      Introduction : Multiple Sclerosis (MS) is the most common chronic autoimmune neuroinflammatory condition in young adults. It is often accompanied by optic neuritis (ON) and retinal neuro-axonal damage causing visual disturbances. Optical coherence tomography (OCT) is a sensitive non-invasive method for quantifying intraretinal layer volumes. Recently, OCT not only showed to be a reliable marker for ON-associated damage, but also proved its high prognostic value for functional outcome and disability accrual ...
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      Mentions: Friedemann Paul

    8. Optical Coherence Tomography in Disorders of the Central Nervous System

      Explore Thieme Neurology , Ophthalmology
      Optical Coherence Tomography in Disorders of the Central Nervous System
      Retinal changes and visual symptoms are present in several inflammatory, degenerative and tumorous disorders of the central nervous system (CNS). Optical coherence tomography (OCT) is a method that can be used in clinical practice to detect and quantify the structural correlates of these visual symptoms in neurological disorders. OCT is a non-invasive imaging technique, based on interferometry, which can create high-resolution images of the retina and measure the thickness and ...
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      Mentions: UC Irvine Friedemann Paul

    9. The International Multiple Sclerosis Visual System Consortium: Advancing Visual System Research in Multiple Sclerosis

      Explore LWW Online Neurology , Ophthalmology
      The International Multiple Sclerosis Visual System Consortium: Advancing Visual System Research in Multiple Sclerosis
      Background: The International Multiple Sclerosis Visual System Consortium (IMSVISUAL) was formed in November 2014 with the primary goal of improving research, care, and education regarding the role of the visual system in multiple sclerosis (MS) and related disorders. Methods: In this review, we describe the formation, goals, activities, and structure of IMSVISUAL, as well as the relationship of IMSVISUAL with the Americas Committee for Treatment and Research in MS (ACTRIMS ...
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      Mentions: Peter A. Calabresi Johns Hopkins University University College London

    10. Optical coherence tomography in acute optic neuritis: A population‐based study

      Explore Wiley Online Library Ophthalmology
      Optical coherence tomography in acute optic neuritis: A population‐based study
      Objectives To measure early structural damage caused by autoimmune inflammatory optic neuritis (ON) by optical coherence tomography (OCT) in a population‐based cohort. Methods In a prospective population‐based study over 24 months in Southern Denmark, patients diagnosed with acute ON and without prior diagnosis of a chronic neuroinflammatory disorder were included and examined with OCT, visual evoked potentials (VEP), visual fields, high contrast visual acuity (HCVA), and low contrast ...
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      Mentions: UC Irvine Friedemann Paul

    11. Multicenter reliability of semiautomatic retinal layer segmentation using OCT

      Explore Neurology Neurology , Ophthalmology
      Multicenter reliability of semiautomatic retinal layer segmentation using OCT
      Objective To evaluate the inter-rater reliability of semiautomated segmentation of spectral domain optical coherence tomography (OCT) macular volume scans. Methods Macular OCT volume scans of left eyes from 17 subjects (8 patients with MS and 9 healthy controls) were automatically segmented by Heidelberg Eye Explorer (v1.9.3.0) beta-software (Spectralis Viewing Module v6.0.0.7), followed by manual correction by 5 experienced operators from 5 different academic centers ...
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      Mentions: University College London UCSF Friedemann Paul

    12. The relationship between age, axial length and retinal nerve fiber layer thickness in the normal elderly population in Taiwan: The Chiayi eye study in Taiwan

      Explore Journals | PLOS Ophthalmology
      The relationship between age, axial length and retinal nerve fiber layer thickness in the normal elderly population in Taiwan: The Chiayi eye study in Taiwan
      ...he Chiayi eye study in Taiwan. PLoS ONE 13(3): e0194116. https://doi.org/10.1371/journal.pone.0194116 Editor: Friedemann Paul, Charite Universitatsmedizin Berlin, GERMANY Received: September 1, 2016; Accepted: February 2...
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      Mentions: Optovue Carl Zeiss Meditec Chang Gung University

    13. Optical coherence tomography in neuromyelitis optica spectrum disorders: potential advantages for individualized monitoring of progression and therapy

      Explore Home - Springer Ophthalmology
      Optical coherence tomography in neuromyelitis optica spectrum disorders: potential advantages for individualized monitoring of progression and therapy
      Neuromyelitis optica spectrum disorders (NMOSD) are mostly relapsing inflammatory disorders of the central nervous system (CNS). Optic neuritis (ON) is the first NMOSD-related clinical event in 55% of the patients, which causes damage to the optic nerve and leads to visual impairment. Retinal optical coherence tomography (OCT) has emerged as a promising method for diagnosis of NMOSD and potential individual monitoring of disease course and severity. OCT not only detects ...
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      Mentions: Friedemann Paul

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

      Explore TheLancet.com Neurology , Ophthalmology
      Retinal thickness measured with optical coherence tomography and risk of disability worsening in multiple sclerosis: a cohort study
      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 ...
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      Mentions: Peter A. Calabresi Johns Hopkins University Laura J. Balcer

    15. The APOSTEL recommendations for reporting quantitative optical coherence tomography studies

      Explore Neurology Neurology , Ophthalmology
      The APOSTEL recommendations for reporting quantitative optical coherence tomography studies
      Objective: To develop consensus recommendations for reporting of quantitative optical coherence tomography (OCT) study results. Methods: A panel of experienced OCT researchers (including 11 neurologists, 2 ophthalmologists, and 2 neuroscientists) discussed requirements for performing and reporting quantitative analyses of retinal morphology and developed a list of initial recommendations based on experience and previous studies. The list of recommendations was subsequently revised during several meetings of the coordinating group. Results: We ...
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      Mentions: Peter A. Calabresi Johns Hopkins University Joel S. Schuman

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

      Explore TheLancet.com Neurology , Ophthalmology
      Retinal thickness measured with optical coherence tomography and risk of disability worsening in multiple sclerosis: a cohort study
      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 ...
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      Mentions: Peter A. Calabresi Johns Hopkins University University College London
    17. 1-15 of 34 1 2 3 »
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  4. About Friedemann Paul

    Friedemann Paul is at the Department of Neurology, Charité University Medicine Berlin, Berlin, Germany.

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