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NMDA encephalitis

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https://www.readbyqxmd.com/read/28439526/absence-of-nmda-receptor-antibodies-in-patients-with-ovarian-teratoma-without-encephalitis
#1
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
https://www.readbyqxmd.com/read/28418206/anti-nmda-receptor-encephalitis-during-pregnancy-a-case-report-and-literature-review
#2
Xue Xiao, Shunping Gui, Peng Bai, Yi Bai, Dan Shan, Yayi Hu, Tri M Bui-Nguyen, Rong Zhou
Anti-N-methyl-d-aspartate receptor (anti-NMDA-R) encephalitis is an autoimmune disorder that was first described by Dr Vitaliani in 2005. In 2007, Dalmau et al. found anti-NMDA-R antibody expressed both in the hippocampus and prefrontal nerve cell membrane, finally proposing the diagnosis of autoimmune anti-NMDA-R encephalitis. Most of the patients are female (91%), with ages ranging from 4 to 76 years. The average age is 23 years, a birth peak age, although anti-NMDA-R encephalitis is rare during pregnancy...
April 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28374703/-autoimmune-anti-nmda-r-encephalitis
#3
E E Vasenina, O S Levin, O A Gan'kina, A Sh Chimagomedova, D I Levikov
Anti-NMDA-R encephalitis is a relatively frequent form of autoimmune encephalitis. Initial clinical features of anti-NMDA-R encephalitis resemble those of schizophrenia exacerbation which resulted in hospitalization of patients to mental care facilities. Taking into account high lethality and potential curability, detection of this condition is an important clinical problem. The authors describe a case report of encephalitis with NMDA-R antibodies. This report is the first in the domestic literature. The difficulties of timely diagnosis, diagnostic criteria and treatment algorithm are presented...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28348963/unilateral-predominance-of-abnormal-movements-a-characteristic-feature-of-the-pediatric-anti-nmda-receptor-encephalitis
#4
Vanessa Benjumea-Cuartas, Monika Eisermann, Hina Simonnet, Marie Hully, Rima Nabbout, Isabelle Desguerre, Anna Kaminska
Anti-NMDA receptor encephalitis is a treatable autoimmune disease characterized by cognitive, motor and psychiatric features that primarily affects young adults and children. We present a case of a 7-year-old boy with asymmetrical (mainly right hemibody) and abnormal polymorphic movements without concomitant scalpictal EEG changes but had background slowing predominating over the left hemisphere. This report illustrates previous descriptions of asymmetric presentation of abnormal movements in pediatric anti-NMDA receptor encephalitis and emphasizes the importance of video-EEG interpreted within the overall clinical context, to differentiate epileptic from non-epileptic abnormal movements in patients with autoimmune encephalitis...
2017: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/28348631/optic-neuropathy-as-the-initial-presenting-sign-of-n-methyl-d-aspartate-nmda-encephalitis
#5
Mark Mugavin, Brett H Mueller, Masoom Desai, Karl C Golnik
A 52-year-old woman presented with painless vision loss for 3 months. She was in custody for allegedly robbing a bank and had recently been diagnosed with paranoid schizophrenia. She had 20/100 VA OD, a 2+RAPD, and optic atrophy. Extensive diagnostic workup including MRI, Fluorescein Angiography, Infectious Disease Panel, lumbar puncture, and leptomeningeal biopsy were unrevealing. Vision in her right eye declined to NLP and her left eye declined to 20/200 VA. Anti N-methyl-D-aspartate (NMDA) Autoimmune Encephalitis was diagnosed based on CSF serology and clinical suspicion...
April 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28328164/anti-n-methyl-d-aspartate-receptor-encephalitis-in-m%C3%A4-ori-and-pacific-island-children-in-new-zealand
#6
Hannah F Jones, Shekeeb S Mohammad, Peter W Reed, Paul P J Dunn, Richard H Steele, Russell C Dale, Cynthia Sharpe
AIM: To investigate the incidence and severity of anti-N-methyl-d-aspartate (anti-NMDA) receptor encephalitis in children from New Zealand. METHOD: A retrospective case series was undertaken of all children (≤18y) diagnosed with anti-NMDA receptor encephalitis from January 2008 to October 2015. RESULTS: Sixteen patients were identified with anti-NMDA receptor antibodies in the cerebrospinal fluid, three of whom had an associated teratoma...
March 22, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28292230/response-to-management-of-anti-n-methyl-d-aspartate-nmda-receptor-encephalitis-in-children
#7
J Nicholas Brenton
No abstract text is available yet for this article.
April 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28283100/antecedent-anti-nmda-receptor-encephalitis-in-two-patients-with-multiple-sclerosis
#8
A Baheerathan, W J Brownlee, D T Chard, K Shields, R Gregory, S A Trip
Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is an autoimmune disorder characterised by psychiatric symptoms, movement disorder and seizures often evolving into a severe encephalopathy. An overlap has recently been recognised between anti-NMDAR encephalitis and inflammatory demyelinating disorders, particularly neuromyelitis optical spectrum disorder (NMOSD). In this case report, we describe two patients with an initial presentation consistent with anti-NMDAR encephalitis who have subsequently developed relapsing-remitting multiple sclerosis (MS) and discuss the literature pertaining to potential overlap between NMDAR encephalitis and inflammatory demyelinating disorders...
February 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28262407/anti-n-methyl-d-aspartate-receptor-encephalitis-associated-with-hepatic-neuroendocrine-carcinoma-a-case-report
#9
Ee Wei Lim, Chun Wai Yip
Anti-N-methyl-D-aspartate receptor (Anti-NMDAR) encephalitis can present with and without tumor. Tumor associations are less common in older patients. We report a 65-year-old gentleman who presented with one week history of cough, chills, rigor and altered behavior, followed by florid visual and auditory hallucinations. Mini mental status examination score was 16/30. Both cerebrospinal fluid and plasma anti-NMDA receptor antibodies were detected. A course of intravenous methylprednisolone was given with partial symptom improvement...
March 2, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28259863/-review-of-the-psychiatric-aspects-of-anti-nmda-n-methyl-d-aspartic-acid-receptor-encephalitis-case-report-and-our-plans-for-a-future-study
#10
Levente Herman, Ildiko Reka Zsigmond, Laszlo Peter, Janos M Rethelyi
Anti-NMDAR (N-methyl-D-aspartic acid receptor) encephalitis, first described in 2007, is a rare, autoimmune limbic encephalitis. In half of the cases anti-NMDAR antibodies are paraneoplastic manifestations of an underlying tumor (mostly ovarian teratoma). In the early stage of the disease psychiatric symptoms are prominent, therefore 60-70% of the patients are first treated in a psychiatric department. In most of the cases, typical neurological symptoms appear later. Besides the clinical picture and typical symptoms, verifying presence of IgG antibodies in the serum or CSF is necessary to set up the diagnosis...
December 2016: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/28202296/psychosis-in-the-ed-a-case-of-nmda-receptor-antibody-encephalitis
#11
Joseph Fisher, Clifford Ellingson, Noah Tolby
Anti-N-methyl-d-aspartate antibody receptor (NMDAR) encephalitis is a newly recognized disease increasing in diagnostic frequency. A 27-year-old female presented with symptoms of oral dyskinesia, tachycardia, and altered mental status following a three-month history of depression, lethargy, catatonia, and auditory hallucinations. We utilized our facilities neurology and psychiatry consult services, performed a lumbar puncture (LP), and requested NMDAR antibody titers. Following admission the Anti-NMDAR antibody titer was elevated warranting treatment with intravenous immunoglobulin (IVIG), corticosteroids, and later rituximab...
February 6, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28154970/differences-in-treatment-of-anti-nmda-receptor-encephalitis-results-of-a-worldwide-survey
#12
Luca Bartolini, Eyal Muscal
The objective of the study was to identify differences in treatment strategies for anti-NMDA receptor encephalitis based on specialty of treating physicians, geographic location, and years in practice. We conducted an anonymous worldwide electronic survey through the Practice Current section of Neurology(®) Clinical Practice to appraise differences in decisions about first- and second-line treatment and timing for initiation of second-line treatment for anti-NMDA receptor encephalitis. 399 participants answered all questions of the survey and were included in the analysis...
April 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28131199/first-reported-cases-of-anti-nmda-receptor-encephalitis-in-vietnamese-adolescents-and-adults
#13
Mai Nguyen Thi Hoang, Phu Nguyen Hoan, Tan Le Van, Angela McBride, Nghia Ho Dang Trung, Thanh Tran Tan, Hong Nguyen Thi Thu, Dorothee Heemskerk, Jeremy Day, Angela Vincent, Chau Nguyen Van Vinh, Guy Thwaites
INTRODUCTION: Anti-NMDA receptor encephalitis is increasingly recognised as an important differential diagnosis in patients with encephalitis of unknown aetiology. We report the first case series of patients diagnosed in Vietnam. METHODS: Samples of CSF from patients with presumed encephalitis but negative microbiological investigations, who exhibited dyskinesia, autonomic instability or psychosis were tested for antibodies against the NR1 subunit of the glutamate (type-NMDA) receptor using an indirect immunofluorescence assay...
February 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28128038/management-of-anti-n-methyl-d-aspartate-nmda-receptor-encephalitis-in-children
#14
Madhu Nagappa, S Bindu Parayil, Anita Mahadevan, Sanjib Sinha, Pavagada S Mathuranath, Arun B Taly
No abstract text is available yet for this article.
April 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28121258/anti-nmda-receptor-antibody-positivity-and-presentations-without-seizure-involuntary-movement-hypoventilation-or-tumor-a-systematic-review-of-the-literature
#15
Bunta Yoshimura, Manabu Takaki
Patients with anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis may remain undiagnosed and untreated with immunotherapy. To investigate specific features and responses to immunotherapy of atypical anti-NMDAR antibody positivity patients, the authors reviewed and evaluated previous case reports/series including patients without seizure, involuntary movement, hypoventilation, or tumor. Of 22 patients identified, 21 responded to immunotherapy. Two patients had neurological/motor symptoms with few/no psychiatric/cognitive symptoms, and eight had both...
January 25, 2017: Journal of Neuropsychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28112010/response-to-management-of-anti-n-methyl-d-aspartate-nmda-receptor-encephalitis-in-children
#16
J Nicholas Brenton
No abstract text is available yet for this article.
January 1, 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28108334/a-study-of-glutamate-levels-nr1-nr2a-nr2b-receptors-and-oxidative-stress-in-rat-model-of-japanese-encephalitis
#17
Prashant Singh Chauhan, Usha Kant Misra, Jayantee Kalita
There is paucity of studies on the role of glutamate excitotoxicity in cell damage in Japanese encephalitis. In this study the glutamate levels and its NMDA receptors, and oxidative stress markers in different brain regions have been evaluated and correlated with neurobehavioral changes at different time points. Twelve day old Wistar rats were inoculated with 3×10(6)pfu/ml intracerebrally. The neurobehavioral effects were evaluated by spontaneous locomotor activity (SLA), grip strength and rota rod test on 10, 33 and 48days post inoculation (dpi)...
March 15, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28106787/anti-nmda-receptor-encephalitis-and-vaccination
#18
Hsiuying Wang
Anti-N-methyl-d-aspartate (Anti-NMDA) receptor encephalitis is an acute autoimmune neurological disorder. The cause of this disease is often unknown, and previous studies revealed that it might be caused by a virus, vaccine or tumor. It occurs more often in females than in males. Several cases were reported to be related to vaccination such as the H1N1 vaccine and tetanus/diphtheria/pertussis and polio vaccines. In this study, we reported an anti-NMDA receptor encephalitis case that may be caused by Japanese encephalitis vaccination...
January 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28101360/successful-treatment-of-anti-nmda-receptor-encephalitis-with-a-prompt-ovarian-tumour-removal-and-prolonged-course-of-plasmapheresis-a-case-report
#19
Elzbieta Rypulak, Michal Borys, Pawel Piwowarczyk, Magdalena Fijalkowska, Beata Potrec, Justyna Sysiak, Janusz Spustek, Alicja Bartkowska-Sniatkowska, Jan Kotarski, Waldemar A Turski, Konrad Rejdak, Miroslaw Czuczwar
Anti-N-methyl-d-aspartate-receptor (NMDAR) encephalitis is an uncommon autoimmune disorder with a wide spectrum of neuropsychiatric symptoms. There is a great requirement to emphasize the importance of a multidisciplinary team approach in the process of diagnosis and treatment of the potentially fatal condition, including psychiatrists, neurologists, gynaecologists and intensivists. Physicians must be aware that psychiatric and neurological disorders, which are typical features for NMDAR encephalitis in young women with ovarian tumours, may progress into status epilepticus and respiratory insufficiency...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28040316/ovarian-teratoma-development-after-anti-nmda-receptor-encephalitis-treatment
#20
Taku Omata, Kazuo Kodama, Yoshimi Watanabe, Yukiko Iida, Yoshiaki Furusawa, Akiko Takashima, Yukitoshi Takahashi, Hiroshi Sakuma, Keiko Tanaka, Katsunori Fujii, Naoki Shimojo
BACKGROUND: Anti-NMDA-R receptor encephalitis occurs predominantly in younger women and is often comorbid with ovarian teratoma, a feature that is often absent in children. Here, we report our experience with two pediatric patients, in whom no tumors were present during treatment for encephalitis, but in whom ovarian teratomas developed without encephalitis relapse after treatment was completed. CASES: Patient 1 was a 14-year-old girl who was diagnosed due to characteristic symptoms and anti-NMDA-R antibody...
May 2017: Brain & Development
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