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nmda receptor encephalitis

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https://www.readbyqxmd.com/read/28777034/chronic-schizophrenia-later-diagnosed-with-anti-nmda-receptor-encephalitis-case-report-and-review-of-the-literature
#1
Meghan A Conroy, Thomas Finch, Tomer T Levin, Alexander E Merkler, Joseph Safdieh, Susan Samuels, Janna S Gordon Elliott
No abstract text is available yet for this article.
August 4, 2017: Clinical Schizophrenia & related Psychoses
https://www.readbyqxmd.com/read/28770118/new-onset-insomnia-in-a-pediatric-patient-a-case-of-anti-nmda-receptor-encephalitis
#2
Tamar N Goldberg, Michael F Cellucci
Anti-NMDAR encephalitis is becoming more widely recognized as a cause of encephalopathy in both adults and children. Certain clinical features such as mood lability, movement disorders, speech dysfunction, seizures, and autonomic instability in a pediatric patient should prompt immediate concern and evaluation for autoimmune encephalitis among providers. We present the case of a pediatric patient with anti-NMDAR encephalitis in which the symptom prompting medical evaluation was insomnia. Insomnia has not previously been emphasized in the literature as a presenting feature of this disease in children and has a broad differential...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/28750305/progressive-hippocampal-sclerosis-after-viral-encephalitis-potential-role-of-nmda-receptor-antibodies
#3
Stoyan Popkirov, Fatme Seval Ismail, Wenke Grönheit, Monika Kapauer, Jörg Wellmer, Christian G Bien
PURPOSE: Survivors of viral encephalitis can develop refractory epilepsy and hippocampal sclerosis. Both the initial infectious insult and the secondary effects of recurrent seizures have been implicated in chronic disease progression. Recently, post-infectious autoimmunity, involved in acute relapses, has also been proposed as a pathomechanism for chronic disease progression. Our case series suggests a potential role of antibodies against the N-methyl-d-aspartate receptor (NMDAR) in chronic inflammatory disease beyond acute manifestations...
July 19, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28738102/anti-nmda-receptor-encephalitis-presenting-as-a-primary-psychotic-disorder
#4
Michele A Nelson, Jeannie D Lochhead, Gerald A Maguire
No abstract text is available yet for this article.
August 2017: Annals of Clinical Psychiatry: Official Journal of the American Academy of Clinical Psychiatrists
https://www.readbyqxmd.com/read/28730861/comparative-outcomes-in-children-and-adults-with-anti-n-methyl-d-aspartate-anti-nmda-receptor-encephalitis
#5
Eliza Gordon-Lipkin, Anusha K Yeshokumar, Deanna Saylor, Ana Arenivas, John C Probasco
This study compared neurologic disability and adaptive function in children and adults >1 year following anti- N-methyl-d-aspartate receptor (anti-NMDAR) encephalitis diagnosis. Retrospective record review identified 12 patients with anti-NMDAR encephalitis. At last follow-up, all surviving patients had "good" modified Rankin Score (0-2). Four children, 6 adults, and their families participated in a telephone interview. Median duration since diagnosis was similar for children (2.42 years, interquartile range 2...
January 1, 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28704576/psychosis-an-autoimmune-disease
#6
REVIEW
Adam Aj Al-Diwani, Thomas A Pollak, Sarosh R Irani, Belinda R Lennox
Psychotic disorders are common and disabling. Overlaps in clinical course in addition to epidemiological and genetic associations raise the possibility that autoimmune mechanisms may underlie some psychoses, potentially offering novel therapeutic approaches. Several immune loci including the major histocompatibility complex and B-cell markers CD19 and CD20 achieve genome-wide significance in schizophrenia. Emerging evidence suggests a potential role via neurodevelopment in addition to classical immune pathways...
July 13, 2017: Immunology
https://www.readbyqxmd.com/read/28683723/case-report-anaesthetic-management-of-radical-gastrectomy-for-gastric-cancer-associated-with-anti-n-methyl-d-aspartate-receptor-encephalitis
#7
Lei Ding, Hongyu Tan, Ziyu Li, Jiafu Ji, Xuejun Song
BACKGROUND: Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is a rare neurological disorder that is caused by the production of antibodies against NMDARs. As many anaesthetic drugs interact with NMDARs and may worsen the disease and because the disease poses risks, such as cardiovascular events, hyperthermia and respiratory insufficiency, while under anaesthesia, administering anaesthesia to patients with this disorder is clinically challenging. CASE PRESENTATION: A 55-year-old man with gastric cancer associated with anti-NMDAR encephalitis who was diagnosed 8 months prior was admitted to Peking University Cancer Hospital for tumour resection...
July 6, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28680648/treating-refractory-post-herpetic-anti-n-methyl-d-aspartate-receptor-encephalitis-with-rituximab
#8
Christine Strippel, Constanze Mönig, Kristin S Golombeck, Andre Dik, Kathrin Bönte, Stjepana Kovac, Andreas Schulte-Mecklenbeck, Heinz Wiendl, Sven G Meuth, Andreas Johnen, Catharina C Gross, Nico Melzer
Herpes simplex virus-1 has been identified as the trigger factor in certain cases of NMDA-receptor autoimmune encephalitis. We report on a 67-year-old female patient, who was severely affected by post-herpetic NMDA-receptor autoimmune encephalitis. Her symptoms did not improve under methylprednisolone pulse therapy and plasma exchange under acyclovir prophylaxis. She received protein A immunoadsorption and a long-term immunosuppression with rituximab. Under treatment, activated T-cells as well as B- and plasma cells decreased in peripheral blood and cerebrospinal fluid, and anti-NMDA-R IgG titers in serum and cerebrospinal fluid declined with near complete cessation of intrathecal autoantibody synthesis...
July 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28655493/eeg-with-extreme-delta-brush-in-young-female-with-methotrexate-neurotoxicity-supports-nmda-receptor-involvement
#9
Lisbeth Samsø Schmidt, Troels W Kjær, Kjeld Schmiegelow, Alfred Peter Born
Sub-acute neurotoxicity is a well-known complication to high-dose and intrathecal methotrexate (MTX) treatment of children with leukemia. Symptoms can be treated safely by dextromethorphan, a non-competitive antagonist to N-methyl-D-aspartic acid receptor (NMDAR). In a female with subacute MTX neurotoxicity, we observed an electroencephalographic (EEG) with extreme delta brush. Extreme delta brush is an EEG pattern previously described in patients with NMDAR autoimmune encephalitis. The observations suggest that the mechanism of this neurotoxicity may be mediated by the NMDAR...
June 15, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28650064/-a-new-case-of-psychotic-break-as-the-presenting-symptom-of-anti-nmda-receptor-encephalitis-treatment-from-a-neuropsychiatric-approach
#10
P Hernaez-Goni, P Luna-Lario, J Tirapu-Ustarroz
INTRODUCTION: Limbic encephalitis generated by anti-N-methyl D-aspartate (NMDA) receptor antibodies is a severe acute neurological condition that is more prevalent in young females and is associated with an underlying tumour. The appearance of severe initial psychiatric signs and symptoms and the fact that it is accompanied by emotional disorders and severe cognitive impairment make it necessary to reconsider the contributions of neuropsychiatry to the diagnosis, development and treatment of the disease, since these have received little attention from researchers to date...
July 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28634511/extreme-delta-brush-in-nmda-receptor-encephalitis
#11
James Castellano, Robert Glover, Julie Robinson
No abstract text is available yet for this article.
July 2017: Neurohospitalist
https://www.readbyqxmd.com/read/28592819/spatial-and-temporal-boundaries-of-nmda-receptor-hypofunction-leading-to-schizophrenia
#12
Kazu Nakazawa, Vivek Jeevakumar, Kazuhito Nakao
The N-methyl-D-aspartate receptor hypofunction is one of the most prevalent models of schizophrenia. For example, healthy subjects treated with uncompetitive N-methyl-D-aspartate receptor antagonists elicit positive, negative, and cognitive-like symptoms of schizophrenia. Patients with anti-N-methyl-D-aspartate receptor encephalitis, which is likely caused by autoantibody-mediated down-regulation of cell surface N-methyl-D-aspartate receptors, often experience psychiatric symptoms similar to schizophrenia initially...
February 3, 2017: NPJ Schizophrenia
https://www.readbyqxmd.com/read/28560253/spatial-and-temporal-boundaries-of-nmda-receptor-hypofunction-leading-to-schizophrenia
#13
Kazu Nakazawa, Vivek Jeevakumar, Kazuhito Nakao
The N-methyl-d-aspartate receptor hypofunction is one of the most prevalent models of schizophrenia. For example, healthy subjects treated with uncompetitive N-methyl-d-aspartate receptor antagonists elicit positive, negative, and cognitive-like symptoms of schizophrenia. Patients with anti-N-methyl-d-aspartate receptor encephalitis, which is likely caused by autoantibody-mediated down-regulation of cell surface N-methyl-d-aspartate receptors, often experience psychiatric symptoms similar to schizophrenia initially...
2017: NPJ Schizophrenia
https://www.readbyqxmd.com/read/28547540/investigation-of-anti-neuronal-antibodies-in-status-epilepticus-of-unknown-etiology-a-prospective-study
#14
Murat Mert Atmaca, Erdem Tuzun, Ece Erdag, Nerses Bebek, Betul Baykan, Candan Gurses
There have been recent reports of antibody-mediated status epilepticus. The objective of our study was to investigate the prevalence of neuronal autoantibodies in patients with status epilepticus (SE) with unresolved etiology. The presence of neuronal autoantibodies was investigated prospectively in adult patients with SE who presented to our clinic between February 2012 and December 2013 with unresolved etiology. Clinical and electrophysiologic features of seropositive patients were recorded. Also, seronegative and seropositive patient groups were compared in terms of demographic and clinical features, treatment responses, and outcomes...
May 25, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28527387/analysis-of-electroencephalogram-characteristics-of-anti-nmda-receptor-encephalitis-patients-in-china
#15
Yan Zhang, Gang Liu, Meng Di Jiang, Li Ping Li, Ying Ying Su
OBJECTIVE: To explore the characteristics of electroencephalogram (EEG) in patients with anti-N-methyl-d-aspartate receptor (anti-NMDAR) encephalitis. METHODS: Anti-NMDAR encephalitis patients admitted to the Department of Neurology between January 2012 and June 2016 were enrolled. All patients underwent electroencephalogram (EEG) at least once in the disease peak stage, and received tumor screening, symptomatic therapy, and immunotherapy. Patients received outcome evaluation every 6months after the immunotherapy, and modified Rankin scale (mRS) 0-2 was defined as favorable outcome...
July 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28506503/extended-clinical-spectrum-of-anti-n-methyl-d-aspartate-receptor-encephalitis-in-children-a-case-series
#16
Ajay Goenka, Vivek Jain, Hiroki Nariai, Alfred Spiro, Mitchell Steinschneider
OBJECTIVE: There is a wide spectrum of clinical manifestations in children with anti-N-methyl-d-aspartate (NMDA) receptor antibody encephalitis from two different health care settings. METHODS: We describe our experience with 13 patients (median age, 7 years; range, 5 months to 19 years) presenting to tertiary referral centers in India and the United States. RESULTS: Initial manifestations were neurological (seizures or movement disorders) in eight patients, and psychiatric (e...
July 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28503332/chronic-neuropsychological-sequelae-in-a-patient-with-nontumorous-anti-nmda-receptor-encephalitis
#17
Dong Y Han, Lisa M Koehl, Aarti Patel, Zhengqiu Zhou, Sarah Phillips, Siddharth Kapoor
Anti-N-methyl-D-aspartate receptor encephalitis is a neurological, autoimmune disorder tightly conceptualized only as recently as the mid-2000s. It presents itself in a combination of psychiatric, neurological, and autonomic features. We observe a unique case with probable earlier episode (prior to the mid-2000s conceptualization of the disease) and a later relapse, accompanying a comprehensive neuropsychological profile tracked after the relapse and subsequent improvement. Neurocognitive findings revealed residual frontal deficits with mood changes even in the state after plasmapheresis...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28469537/rituximab-for-treatment-of-refractory-anti-nmda-receptor-encephalitis-in-a-pediatric-patient
#18
Sarah Hallowell, Esli Tebedge, Margaret Oates, Elizabeth Hand
Anti-N-methyl d-aspartate receptor (anti-NMDAR) encephalitis is a devastating disease that is increasingly being identified in both children and adults with psychosis, language disturbances, behavioral changes, and motor deficits. Currently no consensus guidelines exist for the optimal management of patients with this disease, although intravenous immune globulin (IVIG) therapy is often considered first-line pharmacotherapy. We present a case of an otherwise healthy 4 year-old-child who presented with seizures, loss of age-appropriate language skills, and behavioral changes, in whom anti-NMDAR was subsequently diagnosed...
March 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28461116/anti-neuronal-anti-bodies-in-patients-with-early-psychosis
#19
O Mantere, M Saarela, T Kieseppä, T Raij, T Mäntylä, M Lindgren, E Rikandi, W Stoecker, B Teegen, J Suvisaari
It may be challenging to distinguish autoimmune encephalitis associated with anti-neuronal autoantibodies from primary psychiatric disorders. Here, serum was drawn from patients with a first-episode psychosis (n=70) or a clinical high-risk for psychosis (n=6) and controls (n=34). We investigated the serum prevalence of 24 anti-neuronal autoantibodies: IgG antibodies for anti-N-methyl-d-aspartate-type glutamate receptor (anti-NMDAR), glutamate and γ-aminobutyric acid alpha and beta receptors (GABA-a, GABA-b), alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (AMPA), glycine receptor (GlyR), metabotropic glutamate receptor 1 and 5 (mGluR1, mGluR5), anti-Tr/Delta/notch-like epidermal growth factor-related receptor (DNER), contactin-associated protein-like 2 (CASPR2), myelin oligodendrocyte glycoprotein (MOG), glutamic acid decarboxylase-65 (GAD65), collapsin response mediator protein 5/crossveinless-2 (CV2), aquaporin-4 (AQP4), anti-dipeptidyl-peptidase-like protein-6 (DPPX), type 1 anti-neuronal nuclear antibody (ANNA-1, Hu), Ri, Yo, IgLON5, Ma2, zinc finger protein 4 (ZIC4), Rho GTPase-activating protein 26, amphiphysin, and recoverin, as well as IgA and IgM for dopamine-2-receptor (DRD2)...
April 28, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28439526/absence-of-nmda-receptor-antibodies-in-patients-with-ovarian-teratoma-without-encephalitis
#20
Siyin Gong, Muke Zhou, Gang Shi, Jian Guo, Ning Chen, Rong Yang, Li He, Dong Zhou
No abstract text is available yet for this article.
May 2017: Neurology® Neuroimmunology & Neuroinflammation
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