This case series highlights the diverse presentations of seropositive neuromyelitis optica spectrum disorder, including the absence of optic neuritis despite anti-aquaporin 4 antibody positivity. It emphasizes the importance of high index of suspicion, early neurologist referral for improved outcomes, the consequences of delayed referral, and the challenges and treatment potential in low-income countries with limited resources.
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Breaking New Ground: A Seropositive Neuromyelitis Optica (NMOSD) in Ethiopian Patients: A Case Series.
Clin Case Rep
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Neurology Unit, Department of Internal Medicine, College of Medicine and Health Sciences Hawassa University Hawassa Ethiopia.
This case series highlights the diverse presentations of seropositive neuromyelitis optica spectrum disorder, including the absence of optic neuritis despite anti-aquaporin 4 antibody positivity. It emphasizes the importance of high index of suspicion, early neurologist referral for improved outcomes, the consequences of delayed referral, and the challenges and treatment potential in low-income countries with limited resources.
View Article and Find Full Text PDFSingle-electrode electrochemiluminescence immunosensor for multiplex detection of Aquaporin-4 antibody using metal-organic gels as coreactant.
Biosens Bioelectron
January 2025
State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, China; School of Applied Chemistry and Engineering, University of Science and Technology of China, No. 96 Jinzhai Road, Hefei, Anhui, 230026, China. Electronic address:
Reliable detection of Aquaporin-4 (AQP4) antibodies is crucial for diagnosing Neuromyelitis Optica spectrum disorder (NMOSD). However, cell-based assays, the most reliable approach, are limited by inadequate instruments. This study reports the use of silver metal-organic gels (Ag-MOGs) as coreactants in a single-electrode electrochemical system (SEES)-based electrochemiluminescence (ECL) immunosensor for multiplex detection of AQP4 antibodies.
View Article and Find Full Text PDFReal-world multicentre cohort study on choices and effectiveness of immunotherapies in NMOSD and MOGAD.
J Neurol Neurosurg Psychiatry
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Department of Neurology and Institute of Neuroimmunology and MS (INIMS), University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Background: Recurrent attacks in neuromyelitis optica spectrum disorders (NMOSDs) or myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) can lead to severe disability. We aimed to analyse the real-world use of immunotherapies in patients with NMOSD and MOGAD, focusing on changes in treatment strategies, effects on attack rates (ARR) and risk factors for attacks.
Methods: This longitudinal registry-based cohort study included 493 patients (320 with aquaporin-4 immunoglobulin G (AQP4-IgG) seropositive NMOSD (65%), 44 with AQP4-IgG seronegative NMOSD (9%) and 129 MOGAD (26%)) with 1247 treatments from 19 German and one Austrian centre from the registry of the neuromyelitis optica study group (NEMOS).
Trident Sign: The Key Magnetic Resonance Imaging Finding Distinguishing Spinal Cord Sarcoidosis From Multiple Sclerosis and Seropositive Neuromyelitis Optica Spectrum Disorder.
Ochsner J
January 2024
The University of Queensland Medical School, Ochsner Clinical School, New Orleans, LA.
Spinal cord sarcoidosis, an uncommon manifestation of neurosarcoidosis, presents diagnostic and therapeutic challenges because the condition is rare and has diverse clinical manifestations that can mimic other conditions such as multiple sclerosis and neuromyelitis optica spectrum disorder. A middle-aged African American female with a history of idiopathic intracranial hypertension and hydrocephalus with ventriculoperitoneal shunt presented with progressive, predominantly left-sided gait instability, weakness, and paresthesia. Cerebrospinal fluid showed lymphocytosis, red blood cells, elevated oligoclonal bands, and elevated kappa free light chains, concerning for multiple sclerosis.
View Article and Find Full Text PDFThe epidemiology and clinical presentation of seropositive neuromyelitis optica spectrum disorder in a US population.
Ann Clin Transl Neurol
December 2024
Departments of Neurology and Ophthalmology, Programs in Neuroscience and Immunology, Anschutz Medical Campus, University of Colorado School of Medicine, Aurora, Colorado, USA.
Objective: To define the epidemiology and clinical presentation of seropositive neuromyelitis optica spectrum disorder (NMOSD) in a large US health system.
Methods: We completed a retrospective observational study of adult patients in the University of Colorado Health System from 1 January 2011 to 31 December 2020, using Health Data Compass (HDC), a data warehouse that combines electronic health information with claims and public health data in Colorado. We screened HDC for patients with either (1) an abnormal aquaporin-4 IgG test or (2) any G36 ICD-10 code.
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