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https://www.readbyqxmd.com/read/28427710/clinical-outcomes-and-predictive-factors-related-to-good-outcomes-in-plasma-exchange-in-severe-attack-of-nmosd-and-long-extensive-transverse-myelitis-case-series-and-review-of-the-literature
#1
Saharat Aungsumart, Metha Apiwattanakul
OBJECTIVE: To investigate the predictive factors associated with good outcomes of plasma exchange in severe attacks through neuromyelitis optica spectrum disorder (NMOSD) and long extensive transverse myelitis (LETM). In addition, to review the literature of predictive factors associated with the good outcomes of plasma exchange in central nervous system inflammatory demyelinating diseases (CNS IDDs). METHODS: Retrospective study in 27 episodes of severe acute attacks myelitis and optic neuritis in 24 patients, including 20 patients with NMOSD seropositive, 1 patient with NMOSD seronegative and 3 patients with LETM...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28427706/neuromyelitis-optica-spectrum-disorder-related-tonic-spasms-responsive-to-lacosamide
#2
A Baheerathan, W J Brownlee, F Rugg-Gunn, D T Chard, S A Trip
Paroxysmal tonic spasms [PTS] are common in patients with neuromyelitis optica spectrum disorder (NMOSD).1 2 In patients with demyelinating disease, PTS can significantly reduce the quality of life, limit activities of daily living and the rehabilitative process following an acute relapse 3. As in patients with multiple sclerosis (MS), paroxysmal tonic spasms in NMOSD usually respond well to treatment with carbamazepine.2 However, the optimal treatment in patients where carbamazepine is contraindicated or poorly tolerated is unclear...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28427688/pruritus-may-be-a-common-symptom-related-to-neuromyelitis-optica-spectrum-disorders
#3
Zhiyong He, Ming Ren, Xiaofeng Wang, Qifeng Guo, Xiaokun Qi
BACKGROUND: To evaluate pruritus in patients with neuromyelitis optica spectrum disorders (NMOSD) and to characterize the relationship between pruritus and lesions of NMOSD. METHODS: 61 patients with NMOSD were included in the study and their medical records were reviewed for pruritus, neurological symptoms and magnetic resonance imaging (MRI) images. We focused on the patients' history of pruritus, especially the severity, duration, region, and the relationship of pruritus with other symptoms of NMOSD...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28404667/distinct-clinical-characteristics-of-atypical-optic-neuritis-with-seronegative-aquaporin-4-antibody-among-chinese-patients
#4
Huanfen Zhou, Quangang Xu, Shuo Zhao, Wei Wang, Junqing Wang, Zhiye Chen, Dahe Lin, Xiaoming Li, Chunxia Peng, Nanping Ai, Shihui Wei
OBJECTIVE: To evaluate the clinical features and prognosis of atypical optic neuritis (ON) with seronegative aquaporin-4 (AQP4) antibody in Chinese patients. METHODS: All patients with first or relapsing ON were recruited from the Neuro-ophthalmology Department of the Chinese People's Liberation Army General Hospital from January 2013 to December 2014 and assigned to one of three groups based on diagnosis: atypical ON, typical ON and neuromyelitis optica spectrum disorder (NMOSD)-ON...
April 12, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28400553/efficacy-and-safety-of-tacrolimus-treatment-for-neuromyelitis-optica-spectrum-disorder
#5
Bo Chen, Qian Wu, Gaotan Ke, Bitao Bu
Neuromyelitis optica spectrum disorder (NMOSD) is a severe inflammatory autoimmune disease that mainly involves the optic nerves and spinal cord, causing blindness and paralysis. Although some immunosuppressants such as rituximab and azathioprine have proven to be effective in relapse prevention, the high costs or intolerable adverse events preclude their wide application. Thus, we have conducted a retrospective study in 25 NMOSD patients who were treated with tacrolimus, an immunosuppressant with high efficacy and good tolerance in other autoimmune diseases, to assess its efficacy and safety in NMOSD treatment during the last five years (2011-2016)...
April 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28391784/neuromyelitis-optica-spectrum-disorders
#6
REVIEW
Tetsuya Akaishi, Ichiro Nakashima, Douglas Kazutoshi Sato, Toshiyuki Takahashi, Kazuo Fujihara
Neuromyelitis optica (NMO) is clinically characterized by severe optic neuritis and transverse myelitis, but recent studies with anti-aquaporin-4-antibody specific to NMO have revealed that the clinical spectrum is wider than previously thought. International consensus diagnostic criteria propose NMO spectrum disorders (NMOSD) as the term to define the entire spectrum including typical NMO, optic neuritis, acute myelitis, brain syndrome, and their combinations. NMOSD is now divided into anti-aquaporin-4-antibody-seropositive NMOSD and -seronegative NMOSD (or unknown serostatus)...
May 2017: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/28391740/catastrophic-relapses-following-initiation-of-dimethyl-fumarate-in-two-patients-with-neuromyelitis-optica-spectrum-disorder
#7
Bassem I Yamout, Shawkat Beaini, Maya M Zeineddine, Nabil Akkawi
We report two cases of neuromyelitis optica spectrum disorder (NMOSD) who were misdiagnosed as multiple sclerosis (MS) and developed catastrophic relapses following initiation of dimethyl fumarate. Both patients developed a severe myelitis extending from the cervical cord to the medulla with significant cord swelling, resulting in complete quadriplegia and respiratory difficulties, in addition to severe bilateral visual loss in one patient. It is of note that both catastrophic relapses occurred 2 and 3 months following initiation of dimethyl fumarate...
April 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28391264/anti-kir4-1-antibodies-in-chinese-patients-with-central-nervous-system-inflammatory-demyelinating-disorders
#8
Rong Zhong, Junyan Liang, Ailin Tao, Linzhan Wu, Xinguang Yang, Huiming Xu, Qingmei Huang, Shunzhi Zhuang, Youming Long, Cong Gao
OBJECTIVES: The aim of this study was to explore the frequency of KIR4.1 antibodies in patients with multiple sclerosis (MS) and in control groups using a cell-based assay. MATERIALS AND METHODS: A transfected HEK-293A cell line expressing KIR4.1 was established to test for the presence of KIR4.1 antibodies in blood serum. We tested 904 subjects, including 188 patients with MS, 264 patients with neuromyelitis optica spectrum disorders (NMOSD), 209 patients with other inflammatory neurologic disease (OIND), 203 patients with other noninflammatory neurological disease (OND), and 40 healthy controls...
April 8, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/28389940/circulating-regulatory-b-cell-subsets-in-patients-with-neuromyelitis-optica-spectrum-disorders
#9
Jinming Han, Li Sun, Zhongkun Wang, Xueli Fan, Lifang Wang, Yang-Yang Song, Jie Zhu, Tao Jin
This study analyzed the populations of three different subsets of regulatory B cells (Bregs) in the peripheral blood mononuclear cells (PBMCs) of patients with neuromyelitis optica spectrum disorders (NMOSDs) and explored the relationship between the changes in these subsets of Bregs and the severity of NMOSD. A total of 22 patients with relapsed NMOSDs before treatment were recruited in our study, along with 20 age and gender-matched healthy controls, from May 2015 to March 2016. The percentages and numbers for three different subsets of Bregs including the CD19(+)CD24(hi)CD38(hi), CD19(+)CD24(hi)CD27(+), and CD19(+)CD5(+)CD1d(hi) populations were evaluated in parallel by flow cytometry...
April 7, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28386263/adaptive-immunity-is-the-key-to-the-understanding-of-autoimmune-and-paraneoplastic-inflammatory-central-nervous-system-disorders
#10
REVIEW
Robert Weissert
There are common aspects and mechanisms between different types of autoimmune diseases such as multiple sclerosis (MS), neuromyelitis optica spectrum disorders (NMOSDs), and autoimmune encephalitis (AE) as well as paraneoplastic inflammatory disorders of the central nervous system. To our present knowledge, depending on the disease, T and B cells as well as antibodies contribute to various aspects of the pathogenesis. Possibly the events leading to the breaking of tolerance between the different diseases are of great similarity and so far, only partially understood...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28385199/neuromyelitis-spectrum-disorders
#11
REVIEW
Brian G Weinshenker, Dean M Wingerchuk
The understanding of neuromyelitis optica spectrum disorder (NMOSD) has evolved substantially since its initial description over a century ago. The discovery in 2004 of a pathogenic autoantibody biomarker targeting aquaporin 4 IgG revolutionized diagnosis and therapeutic development. Although NMOSD resembles multiple sclerosis (MS), differences were identified and articulated in the late 1990s. New diagnostic criteria incorporating the biomarker as well as better understanding of the clinical and radiologic features of NMOSD now permit accurate diagnosis and differentiation from MS...
April 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28382320/female-hormonal-exposures-and-neuromyelitis-optica-symptom-onset-in-a-multicenter-study
#12
Riley Bove, Liene Elsone, Enrique Alvarez, Nadja Borisow, Melissa M Cortez, Farrah J Mateen, Maureen A Mealy, Kerry Mutch, Sean Tobyne, Klemens Ruprecht, Guy Buckle, Michael Levy, Dean M Wingerchuk, Friedemann Paul, Anne H Cross, Brian Weinshenker, Anu Jacob, Eric C Klawiter, Tanuja Chitnis
OBJECTIVE: To study the association between hormonal exposures and disease onset in a cohort of women with neuromyelitis optica spectrum disorder (NMOSD). METHODS: Reproductive history and hormone use were assessed using a standardized reproductive survey administered to women with NMOSD (82% aquaporin-4 antibody positive) at 8 clinical centers. Using multivariable regression, we examined the association between reproductive exposures and age at first symptom onset (FS)...
May 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28360886/increased-circulating-t-follicular-helper-cells-are-inhibited-by-rituximab-in-neuromyelitis-optica-spectrum-disorder
#13
Cong Zhao, Hong-Zeng Li, Dai-Di Zhao, Chao Ma, Fang Wu, Ya-Nan Bai, Min Zhang, Zhu-Yi Li, Jun Guo
Neuromyelitis optica spectrum disorder (NMOSD) is a severe autoimmune disease of the central nervous system. The existence of autoantibody targeting aquaporin-4 (AQP4-Ab) indicates the involvement of humoral immunity in the pathogenesis of this disease. Rituximab (RTX), a monoclonal antibody against CD20, has been used to treat NMOSD by depleting circulating B cells and overall satisfactory outcome has been achieved. Although T follicular helper cells have been proved to regulate B cell activation and antibody production, the role of these cells in NMOSD and the impact of RTX treatment on these cells remain less understood...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28355737/-clinical-features-and-prognostic-analysis-of-neuromyelitisoptica-spectrum-disease-with-sjogrensyndrome
#14
N Jia, Y Jing, Q C Li, L Liu, J W Wang, X M Hu
Objective: To explore the clinical features and conduct prognostic analysis about visual recovery and relapse of neuromyelitisoptica (NMO) spectrum disease (NMOSD) with sjogren syndrome (SS). Methods: A retrospective and prospective observational study was conducted.Between July 2013 and June 2016, 172 patients with NMOSD (NMOSD-non SS: 116/172, 67.4%; NMOSD-SS: 56/172, 32.6%) were assessed at Beijing Tongren Hospital, Capital Medical University, Beijing, China.The prognostic factors of NMOSD-SS patients were also analyzed...
March 21, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28344667/m%C3%A3-ller-cells-and-retinal-axons-can-be-primary-targets-in-experimental-neuromyelitis-optica-spectrum-disorder
#15
REVIEW
Bleranda Zeka, Hans Lassmann, Monika Bradl
Recent work from our laboratory, using different models of experimental neuromyelitis optica spectrum disorder (NMOSD), has led to a number of observations that might be highly relevant for NMOSD patients. For example: (i) in the presence of neuromyelitis optica immunoglobulin G, astrocyte-destructive lesions can be initiated by CD4+ T cells when these cells recognize aquaporin 4 (AQP4), but also when they recognize other antigens of the central nervous system. The only important prerequisite is that the T cells have to be activated within the central nervous system by "their" specific antigen...
January 2017: Clinical & Experimental Neuroimmunology
https://www.readbyqxmd.com/read/28331329/successful-treatment-for-psychomotor-agitation-in-neuromyelitis-optica-spectrum-disorder-with-trazodone-risperidone-combination-a-case-report
#16
Zui Narita, Harumasa Takano, Tomiki Sumiyoshi
Neuromyelitis optica (NMO) is a relapsing disease that typically affects the spinal cord and optic nerves. So far, a few studies have reported pharmacologic treatment for psychiatric symptoms in patients with NMO spectrum disorder (NMOSD). However, no literature has described psychomotor agitation associated with the disease and its treatment. We report an 84-year-old woman with NMOSD whose psychomotor agitation was effectively treated with a combination of trazodone and risperidone. Our observation suggests the ability of augmentation of antipsychotic drugs with antidepressants to ameliorate psychotic symptoms associated with NMOSD...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28326889/aquaporin-4-autoimmunity-in-patients-with-systemic-lupus-erythematosus-a-predominantly-population-based-study
#17
Nasrin Asgari, Sven Jarius, Helle Laustrup, Hanne Pb Skejoe, Soeren T Lillevang, Brian G Weinshenker, Anne Voss
BACKGROUND: Serum immunoglobulin G targeting the astrocyte water channel aquaporin-4 (AQP4) in the central nervous system (CNS) is a biomarker for neuromyelitis optica spectrum disease (NMOSD). Co-existence of NMOSD with systemic lupus erythematosus (SLE) putatively suggests susceptibility to antibody-mediated autoimmune disease. OBJECTIVE: To estimate the prevalence of NMOSD in SLE and investigate the immunogenetic background for an association of NMOSD and SLE...
March 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28306572/neuromyelitis-optica-and-neuromyelitis-optica-spectrum-disorders
#18
Romain Marignier, Alvaro Cobo Calvo, Sandra Vukusic
PURPOSE OF REVIEW: The discovery of highly specific auto-antibodies directed against the water channel aquaporin 4 was a quantum leap in the definition, classification and management of neuromyelitis optica (NMO). Herein, we propose an update on epidemiological, clinical and therapeutic advances in the field, underlining unmet needs. RECENT FINDINGS: Large-scale epidemiological studies have recently provided a more precise evaluation of NMO prevalence and a better stratification regarding ethnicity and sex...
March 16, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28293214/different-phenotypes-at-onset-in-neuromyelitis-optica-spectrum-disorder-patients-with-aquaporin-4-autoimmunity
#19
Youming Long, Junyan Liang, Linzhan Wu, Shaopeng Lin, Cong Gao, Xiaohui Chen, Wei Qiu, Yu Yang, Xueping Zheng, Ning Yang, Min Gao, Yaotang Chen, Zhanhang Wang, Quanxi Su
BACKGROUND: Although rare, brain abnormalities without optic neuritis (ON) or transverse myelitis (TM) diagnosed with neuromyelitis optica spectrum disorder (NMOSD) have been reported in patients positive for the aquaporin-4 (AQP4) antibody. OBJECTIVE: To analyze demographic and clinical differences among NMOSD patients without ON or TM, those with either ON or TM, and patients with simultaneous ON and TM at disease onset. METHODS: In this retrospective study, patients who were positive for the AQP4 antibody, as detected using a cell-based assay, at the Second Affiliated Hospital of Guangzhou Medical University in China were recruited...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28289845/what-s-new-in-neuromyelitis-optica-a-short-review-for-the-clinical-neurologist
#20
Daniel Whittam, Martin Wilson, Shahd Hamid, Geoff Keir, Maneesh Bhojak, Anu Jacob
The evolution of neuromyelitis optica spectrum disorder (NMOSD) from a rare, incurable and misunderstood disease with almost universally poor outcomes to its present state in just over a decade is unprecedented in neurology and possibly in medicine. Our knowledge of NMOSD biology has led to the recognition of wider phenotypes, new disease mechanisms, and thus clinical trials of new and effective treatments. This article aims to update readers on the recent developments in NMOSD with particular emphasis on clinical advances, the 2015 diagnostic criteria, biomarkers, imaging, and therapeutic interventions...
March 13, 2017: Journal of Neurology
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