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Anti-N-methyl-D-aspartate receptor encephalitis

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https://www.readbyqxmd.com/read/29336363/utility-and-safety-of-intrathecal-methotrexate-treatment-in-severe-anti-n-methyl-d-aspartate-receptor-encephalitis-a-pilot-study
#1
Xun-Zhe Yang, Hua-Dong Zhu, Hai-Tao Ren, Yi-Cheng Zhu, Bin Peng, Li-Ying Cui, Hong-Zhi Guan
BACKGROUND: Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is a treatable autoimmune neurologic syndrome that occurs with or without tumor association. However, some severe cases are refractory to systemic immunotherapy. This pilot study aimed to evaluate the utility and safety of intrathecal methotrexate injection for severe patients with anti-NMDAR encephalitis who did not respond to first-line immunotherapy. METHODS: Intrathecal injections with methotrexate and dexamethasone were performed weekly in four legible patients within consecutive 4 weeks...
January 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29335082/-a-comparative-analysis-of-anti-n-methyl-d-aspartate-receptor-encephalitis-with-or-without-abnormal-findings-on-cranial-magnetic-resonance-imaging
#2
Jian-Zhao Zhang, Qian Chen, Ping Zheng, Li-Na Xie, Xiao-Li Yi, Hai-Tao Ren, Jian Yang
OBJECTIVE: To investigate the clinical features of children with anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis with normal or abnormal cranial magnetic resonance imaging (MRI) findings via a comparative analysis. METHODS: A retrospective analysis was performed for the clinical data of 33 children with anti-NMDAR encephalitis. The clinical features and prognosis were compared between the children with normal and abnormal cranial MRI findings. RESULTS: In the 33 children with anti-NMDAR encephalitis, the most common initial symptoms were seizures (61%) and involuntary movement (61%), followed by language disorder (54%), mental and behavioral abnormalities (52%), and disturbance of consciousness (30%)...
January 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29329729/elevated-neuron-specific-enolase-and-s100-calcium-binding-protein-b-concentrations-in-cerebrospinal-fluid-of-patients-with-anti-n-methyl-d-aspartate-receptor-encephalitis
#3
Baozhu Liu, Zuoshan Xie, Guanghui Liu, Yong Gu, Suyue Pan, Honghao Wang
BACKGROUND: Anti‑N‑methyl‑d‑aspartate receptor (NMDAR) encephalitis is a relatively common autoimmune neurological disease of the central nervous system (CNS). Neuron-specific enolase (NSE) and S100 calcium-binding protein B (S100B) are structural proteins of the central nervous system (CNS). In patients with CNS injury accompanied by nervous tissue and cellular damage, these structural proteins are released from cells; their extracellular concentrations, including those in cerebrospinal fluid (CSF) and blood, subsequently increase...
January 9, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29327271/-paraneoplastic-neurological-syndromes-a-current-summary
#4
REVIEW
D De Simoni, R Höftberger
BACKGROUND: Paraneoplastic neurological syndromes (PNNS) are remote effects of a tumor and mediated by an altered immune reaction. In the last ten years, the spectrum of PNNS has changed profoundly with the discovery of a new category of neurological diseases that are associated with antibodies against surface or synaptic antigens. In contrast to classical PNNS, patients with surface receptor autoimmunity are often highly responsive to immunotherapy. OBJECTIVES: This article provides an update on the most relevant PNNS, focusing on specific syndromes associated with antibodies against classical onconeuronal antigens as well as surface and synaptic proteins...
January 11, 2018: Der Internist
https://www.readbyqxmd.com/read/29315460/serum-cystatin-c-and-anti-n-methyl-d-aspartate-receptor-encephalitis
#5
Y Shu, Y Chang, H Wu, J Li, B Cao, X Sun, J Wang, L Peng, X Hu, X Yu, W Qiu
BACKGROUND: Cystatin C (CysC) is associated with many neurodegenerative disorders and autoimmune diseases, but its relationship with anti-N-Methyl-D-aspartate receptor (anti-NMDAR) encephalitis is unknown. METHODS: Serum levels of CysC were determined in 66 patients with anti-NMDAR encephalitis and 115 healthy controls. Of the 66 patients, 30 had a follow-up evaluation at 3 months after admission. Association of CysC with anti-NMDAR encephalitis and its clinical parameters were evaluated in the patients...
January 7, 2018: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/29312777/anti-n-methyl-d-aspartate-receptor-encephalitis-associated-with-mediastinal-teratoma-a-rare-case-report-and-literature-review
#6
Chuan Li, Chengwu Liu, Feng Lin, Lunxu Liu
Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is a recently identified neuroautoimmune disorder characterized by antibodies against the heteromeric NR1-NR2 receptor complex. To our best knowledge, anti-NMDAR encephalitis combined with mediastinal teratoma is extremely rare with only three cases been reported in literature worldwide. In this article, we present an 18 years old female diagnosed as anti-NMDAR encephalitis caused by a large mature mediastinal teratoma whose initial manifestations were acute headache and seizures...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29310908/an-infant-born-to-a-mother-with-anti-n-methyl-d-aspartate-receptor-encephalitis
#7
Nitish Chourasia, Michael W Watkins, Jeremy E Lankford, Joseph S Kass, Ankur Kamdar
BACKGROUND: Anti-N-Methyl-D-Aspartate receptor (NMDAR) encephalitis is an autoimmune disorder that often affects women of childbearing age, and maternal-fetal transfer of anti-NMDAR antibodies during pregnancy has been documented in both symptomatic and asymptomatic women. The effects of these antibodies on the fetus, however, are incompletely understood. PATIENT DESCRIPTION: This term infant exhibited depressed respiratory effort, poor feeding, and abnormal movements after birth...
November 22, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/29310866/initial-clinical-presentation-of-young-children-with-n-methyl-d-aspartate-receptor-encephalitis
#8
Marion Favier, Bastien Joubert, Géraldine Picard, Véronique Rogemond, Laure Thomas, Sylvain Rheims, Marion Bailhache, Frédéric Villega, Jean-Michel Pédespan, Giulia Berzero, Dimitri Psimaras, Jean-Christophe Antoine, Virginie Desestret, Jérôme Honnorat
Autoimmune encephalitis with anti-N-methyl-d-aspartate receptor autoantibodies (NMDA-R-Abs) is a recently described disease affecting adult and pediatric patients. Symptoms of the disease are now perfectly described in the adult population but the clinical presentation is less known in young children. The aim of the present study was to describe the clinical presentation and the specificities of symptoms presented by young children with NMDA-R-Abs encephalitis to improve diagnosis of this disease, and to compare these to a series of previously published female adult patients...
December 28, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/29306850/allergy-in-patients-with-anti-n-methyl-d-aspartate-receptor-encephalitis
#9
Xin-Yue Jiang, Le Zhang, Xian Jiang, Ammar Taha Abdullah Abdulaziz, Yun-Hui Wang, Jin-Mei Li, Dong Zhou
BACKGROUND AND OBJECTIVE: Allergy is a potential outcome of dysregulated immune system. Previous studies have shown the association of allergy and autoimmune diseases, however, there is few study to investigate the relationship between allergy and anti-N-methyl-d-aspartate receptor (anti-NMDAR) encephalitis. Thus, we investigate the rate of allergy in patients with anti-NMDAR encephalitis and analyze the risk factors. METHOD: The rate of allergy was investigated in patients with anti-NMDAR encephalitis and was compared with patients with virus encephalitis...
January 4, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29306404/cerebrospinal-fluid-pentraxin-3-and-cd40-ligand-in-anti-n-menthyl-d-aspartate-receptor-encephalitis
#10
Baozhu Liu, Peiying Ai, Dong Zheng, Ying Jiang, Xiaojia Liu, Suyue Pan, Honghao Wang
Anti-N-methyl-d-aspartate receptor (NMDAR) encephalitis is an autoimmune disorder of the central nervous system whose pathogenesis involves interleukin (IL)-6 and IL-17A. We examined the correlations between CSF concentrations of the acute-phase protein pentraxin 3 (PTX3), the chronic inflammatory mediator CD40L, IL-6, and IL-17A in anti-NMDAR encephalitis, and the impact on clinical outcome. PTX3, CD40L, IL-6, and IL-17A were significantly higher in the CSF of patients with anti-NMDAR encephalitis than in controls...
February 15, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29277332/cytokine-chemokine-elevation-during-the-transition-phase-from-hsv-encephalitis-to-autoimmune-anti-nmda-receptor-encephalitis
#11
Takanori Omae, Yoshiaki Saito, Hirokazu Tsuchie, Koyo Ohno, Yoshihiro Maegaki, Hiroshi Sakuma
A 3-year-old girl suffered from anti-N-methyl-d-aspartate (anti-NMDA) receptor encephalitis after resolution of herpes simplex virus encephalitis (HSE). Methylprednisolone pulse and immunoglobulin therapies showed little effect, but the patient completely recovered after six courses of monthly cyclophosphamide pulse therapy and successive maintenance on mycophenolate mofetil for one year. Anti-NMDA receptor antibody in the cerebrospinal fluid (CSF) was minimally detected during the prodromal febrile period and then was seen to be markedly elevated at the onset of second encephalopathy phase...
December 22, 2017: Brain & Development
https://www.readbyqxmd.com/read/29258969/a-case-of-anti-nmda-receptor-encephalitis-revealed-by-insular-epilepsy
#12
Charlotte De Maeseneire, Riem El Tahry, Susana Ferrao Santos
Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is an autoimmune disorder of the central nervous system that typically manifests predominantly as a psychiatric disorder. However, other manifestations such as epileptic seizures, abnormal movements, and memory or language complications are not unusual. Here, we report the case of a young man who presented with a new-onset epilepsy, with ictal semiology suggestive of insular involvement; this hypothesis was supported by a PET-CT study. Anti-NMDAR antibodies were found in the CSF, confirming the diagnosis of anti-NMDAR encephalitis...
December 20, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/29249215/adult-onset-anti-n-methyl-d-aspartate-receptor-encephalitis-presenting-as-a-non-fluent-aphasia
#13
Julien Hébert, Farah El-Sadi, Catherine Maurice, Richard A Wennberg, David F Tang-Wai
No abstract text is available yet for this article.
December 18, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29249055/brain-magnetic-resonance-imaging-findings-of-anti-n-methyl-d-aspartate-receptor-encephalitis-a-cohort-follow-up-study-in-chinese-patients
#14
Rui Wang, Xiao-Hui Lai, Xu Liu, Yu-Jia Li, Chu Chen, Chen Li, Xiao-Sa Chi, Dong Zhou, Zhen Hong
The aim of this report was to assess routine clinical brain magnetic resonance imaging (MRI) and its relation to clinical characteristics and disease prognosis. Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis patients were consecutively recruited from West China Hospital between October 1, 2011 and April 1, 2016. Brain MRI findings of 106 patients were analysed, and outcomes were assessed at 4, 8, and 12 months after discharge from the hospital using the modified Rankin scale (mRS). An MRI of the brain was normal in 52/106 (49...
December 16, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29245365/teratoma-associated-anti-nmdar-encephalitis-two-cases-report-and-literature-review
#15
Zhigang Liang, Shaowan Yang, Xuwen Sun, Bing Li, Wei Li, Zhuli Liu, Guoping Yu
OBJECTIVE: This study aimed to discuss the pathogenesis, clinical manifestation, diagnosis, and treatment of anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis. CASE REPORT: The diagnosis and treatment of 2 cases with teratoma-associated anti-NMDAR encephalitis were summarized and the clinical data of patients reported by domestic and international studies were reviewed in this study. The 2 cases were both adolescent females who showed mental abnormalities as their main clinical manifestation...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29226117/pediatric-anti-n-methyl-d-aspartate-receptor-encephalitis-a-review-with-pooled-analysis-and-critical-care-emphasis
#16
REVIEW
Kenneth E Remy, Jason W Custer, Joshua Cappell, Cortney B Foster, Nan A Garber, L Kyle Walker, Liliana Simon, Dayanand Bagdure
Purpose: Anti-N-methyl-d-aspartate receptor (NMDAR) encephalitis is being recognized with increasing frequency among children. Given the paucity of evidence to guide the critical care management of these complex patients, we provide a comprehensive review of the literature with pooled analysis of published case reports and case series. Methods: We performed a comprehensive literature search using PubMed, Scopus, EMBASE, and Web of Science for relevant published studies...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29203399/anti-thyroid-antibodies-and-thyroid-function-in-anti-n-methyl-d-aspartate-receptor-encephalitis
#17
Yinyao Lin, Sha Tan, Yuge Wang, Xianru Shen, Yaqin Shu, Yilong Shan, Yanqiang Wang, Haiyan Li, Lei Zhang, Wei Cai, Xiaobo Sun, Zhengqi Lu
No abstract text is available yet for this article.
December 1, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/29200116/paraneoplastic-disorders
#18
Eric Lancaster
PURPOSE OF REVIEW: Paraneoplastic neurologic syndromes target specific areas of the nervous system with pathogenic autoantibodies or T-cell responses. Each syndrome conveys a risk of particular tumors. Expanded paraneoplastic antibody testing has led to improved diagnosis but created challenges involving appropriate interpretation of test results. RECENT FINDINGS: Peripheral nervous system paraneoplastic disorders such as myasthenia gravis and Lambert-Eaton myasthenic syndrome involve pathogenic autoantibodies...
December 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/29197887/important-differential-in-a-patient-presenting-with-neuropsychiatric-symptoms-anti-n-methyl-d-aspartate-receptor-encephalitis
#19
J M Low
Anti-N-Methyl-D-Aspartate receptor (NMDAR) encephalitis is an immune mediated condition, which remains relatively unknown in Malaysia outside tertiary hospitals with neurology unit. It is often misdiagnosed as a psychiatric illness before definitive treatment is instituted. We report here an 18-year-old man who initially presented to the psychiatry unit before he was subsequently diagnosed as having anti-NMDAR encephalitis. To our knowledge, this is the first reported case of anti-NMDAR encephalitis in the east coast of Peninsular Malaysia...
October 2017: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/29186977/ictal-rhythmic-alpha-sinusoidal-waves-in-3-cases-of-anti-nmdar-encephalitis
#20
Ailiang Miao, Xiaoshan Wang
Previous studies have shown that extreme delta brush and high beta/delta power ratio on electroencephalogram are suggestive of anti- N-methyl-d-aspartate receptor (anti-NMDAR) encephalitis. Here we report 3 anti-NMDAR encephalitis patients with ictal rhythmic alpha sinusoidal waves in temporal regions, which suggested electrographic seizures in anti-NMDAR encephalitis and indicated potential for seizure occurrence in the future. Rhythmic alpha sinusoidal waves may be an electrographic feature and helpful in distinguishing anti-NMDAR encephalitis...
November 1, 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
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