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nmda receptor encephalitis

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https://www.readbyqxmd.com/read/27913085/anti-n-methyl-d-aspartate-receptor-encephalitis-and-rasmussen-like-syndrome-an-association
#1
Kevin Gurcharran, Shefali Karkare
BACKGROUND: N-methyl-D-aspartate (NMDA) receptor encephalitis is an immune-mediated condition that has a broad spectrum of manifestations, including seizures, coma, psychosis, and focal neurological deficits. Although usually a diffuse process, unihemispheric involvement mimicking early stages of Rasmussen encephalitis can occur. Rasmussen's encephalitis is a unique syndrome characterized by progressive hemiplegia, drug-resistant focal epilepsy, cognitive decline, and hemispheric brain atrophy contralateral to the hemiplegia...
October 11, 2016: Pediatric Neurology
https://www.readbyqxmd.com/read/27899309/repeated-misdiagnosis-of-a-relapsed-atypical-anti-nmda-receptor-encephalitis-without-an-associated-ovarian-teratoma
#2
Weihe Zhang, Li Yan, Jinsong Jiao
We present an atypical case of relapsed anti-NMDAR encephalitis in a young female patient without an associated ovarian teratoma. She presented with recurrent seizure attacks with muscle weakness, psychosis, dyskinesia, autonomic failure and insomnia. She was first misdiagnosed as mitochondrial encephalomyopathy with lactic acidosis and stroke-like episodes (MELAS) then Hashimoto's encephalopathy due to diffuse cerebral lesions, elevated serum lactic acid concentration, increased amount of thyroid peroxidase and thyroglobulin antibodies in serum and diffuse lesions of the thyroid gland...
November 26, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27872179/anti-n-methyl-d-aspartate-nmda-receptor-encephalitis-a-survey-of-treatment-progress-and-prospects-from-pediatric-neurologists
#3
Ilana Kahn, Guy Helman, Adeline Vanderver, Elizabeth Wells
Anti-N-methyl-d-aspartate receptor (NMDAR) encephalitis has been shown to be a treatable form of autoimmune encephalitis, but there remains no standardized approach to immunotherapy. We designed an anonymous survey sent to members of the Child Neurology Society to identify the current practices among child neurologists. A total of 151 pediatric neurologists responded to the survey. With these responses we were able to highlight areas of practice uniformity, including first-line treatment with intravenous immunoglobulin and intravenous methylprednisone and initiation of disease-modifying therapy with rituximab alone...
November 21, 2016: Journal of Child Neurology
https://www.readbyqxmd.com/read/27851473/1838-suspected-stress-cardiomyopathy-with-nmda-receptor-encephalitis
#4
Shubhi Kaushik, Michael Miksa, Kim Derespina, Santosh Kaipa
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27826871/anti-n-methyl-d-aspartate-receptor-encephalitis-after-herpes-simplex-virus-associated-encephalitis-an-emerging-disease-with-diagnosis-and-therapeutic-challenges
#5
Flora Schein, Amandine Gagneux-Brunon, Jean-Christophe Antoine, Sylvie Lavernhe, Sylvie Pillet, Stéphane Paul, Anne Frésard, Claire Boutet, Rémi Grange, Céline Cazorla, Frédéric Lucht, Elisabeth Botelho-Nevers
INTRODUCTION: Morbidity and mortality of Herpes simplex virus encephalitis (HSE) remain high. Relapses of neurological signs may occur after initial clinical improvement under acyclovir treatment. METHODS: We report here a case of post-HSE anti-N-methyl-d-aspartate receptor-mediated encephalitis in an adult and perform a systematic search on PubMed to identify other cases in adults. RESULTS: We identified 11 previously published cases, to discuss diagnostic and therapeutic management...
November 8, 2016: Infection
https://www.readbyqxmd.com/read/27824312/anti-n-methyl-d-aspartate-receptor-encephalitis-and-drug-abuse-the-probable-role-of-molecular-mimicry-or-the-overstimulation-of-cb-receptors-in-a-17-year-old-adolescent-case-report
#6
Lidia Hau, Gyorgyi Csabi, Barnabas Rozsai, Jozsef Stankovics, Tamas Tenyi, Katalin Hollody
Anti-N-methyl-D-aspartate encephalitis is an autoimmune disorder characterized by autoantibodies produced against NMDA receptors. We report the case of a 17-year-old drug user teenager who presented with altered mental scale, psychiatric symptoms and autonomic dysfunction. In the background we diagnosed NMDA encephalitis. We supposed that synthetic cannabinoids/drugs may have lead to the of trigger NMDA encephalitis via the altered activation of the immune system and molecular mimicry mechanism.
September 2016: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/27821481/serial-eeg-monitoring-in-a-patient-with-anti-nmda-receptor-encephalitis
#7
Yanfang Shi
Electroencephalogram (EEG) abnormalities are very common in anti-N-methyl-d-aspartate receptor (anti-NMDAR) encephalitis. Extreme delta brush (EDB) is a distinctive EEG pattern that is can be suggestive of the diagnosis; however, the etiology of the EDB remains unclear. Furthermore, there is question with regard to its ictal or interictal nature. We report a 20-year-old woman with anti-NMDAR encephalitis whose serial video-EEG monitoring was obtained at 2, 2.5, 4, and 6 months after admission. There was a long-standing EDB lasting up to several hours, with no evolution in frequency, amplitude, or morphology, and without clear association her frequent orofacial dyskinesia...
November 7, 2016: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27778112/anti-n-methyl-d-aspartate-receptor-encephalitis-associated-with-intracranial-angiostrongylus-cantonensis-infection-a-case-report
#8
Yu Peng, Xiaojia Liu, Suyue Pan, Zuoshan Xie, Honghao Wang
Anti-N-methyl-D-aspartate (NMDA) receptor encephalitis is a recently described paraneoplastic syndrome with prominent neuropsychiatric symptoms. Many of these cases are associated with neoplasma especially teratoma. In addition, a few of cases with anti-NMDAR antibodies triggered by viral infection have been reported, but never by parasitic infection. Here, we report a novel case of NMDA receptor encephalitis in a 51-year-old male related to the development of anti-NMDAR antibodies triggered by Angiostrongylus cantonensis infection...
October 24, 2016: Neurological Sciences
https://www.readbyqxmd.com/read/27728547/anti-nmda-receptor-encephalitis-limbic-encephalitis-with-corticospinal-involvement-in-a-middle-aged-indian-female
#9
Kanchana S Pillai, Pratik Padole, Uma Sundar
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27717669/the-lgi1-adam22-protein-complex-in-synaptic-transmission-and-synaptic-disorders
#10
Yuko Fukata, Norihiko Yokoi, Yuri Miyazaki, Masaki Fukata
Physiological functioning of the brain requires fine-tuned synaptic transmission, and its dysfunction causes various brain disorders such as autism, dementia, and epilepsy. It is therefore extremely important to identify and characterize key regulators of synaptic function. In particular, disease-related synaptic proteins, such as autism-related neurexin-neuroligin and psychiatric disorder-related NMDA receptor, have attracted considerable attention. Recent basic and clinical research has highlighted critical roles of a ligand-receptor complex, LGI1-ADAM22, in synaptic transmission and brain function, as mutations in the LGI1 gene cause autosomal dominant lateral temporal lobe epilepsy and autoantibodies to LGI1 cause limbic encephalitis which is characterized by memory loss and seizures...
October 4, 2016: Neuroscience Research
https://www.readbyqxmd.com/read/27682615/anti-myelin-oligodendrocyte-glycoprotein-antibody-neuritis-optica-following-anti-nmda-receptor-encephalitis
#11
Koji Yokoyama, Mutsuki Hori, Akira Yoshida
No abstract text is available yet for this article.
September 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27676823/adult-anti-nmda-receptor-encephalitis-which-physical-and-rehabilitation-medicine-program-case-reports-and-literature-review
#12
Jean-Marie Beis, Morgane Renard
OBJECTIVE: Anti-NMDA (N-Methyl-D-Aspartate) receptor encephalitis (NMDA-E) is the second cause of autoimmune encephalitis in adults. The objectives of this presentation are to describe the main clinical elements and rehabilitation specificities. OBSERVATIONS: Three female inpatients (mean age: 25) present with moderate to severe behavioural and/or psychiatric disorders, seizures and presence of associated tumor in one patient. Presence of anti-NMDA antibodies in the cerebrospinal liquid confirmed diagnosis...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27673080/poster-326-paraneoplastic-ovarian-teratoma-anti-nmda-receptor-encephalitis-a-case-report
#13
Lauren A Kremm, Qianna Armstrong, Mary H Lawler
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27671026/memory-in-autoimmune-nmda-receptor-encephalitis-an-issue-for-b-cells-and-patients
#14
Anastasia Zekeridou, Vanda A Lennon
No abstract text is available yet for this article.
October 2016: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/27667494/-nmda-glur-subunit-antibody-positive-encephalitis-a-clinical-analysis-of-five-cases
#15
Chikako Kaneko, Norshalena Shakespear, Mario Tuchiya, Jin Kubo, Teiji Yamamoto, Soichi Katayama, Yukitoshi Takahashi
Five consecutive cases of anti-NMDA-receptor encephalitis that we encountered were marked by a rapidly fluctuating level of consciousness associated with psychotic and delirious mental states. Opisthotonus, catatonia, and rhythmic and non-rhythmic involuntary movements of the mouth and jaw were also characteristic features of these particular cases. Serious and potentially fatal problems included epilepsia partialis continua, partial and generalized seizures, and respiratory depression, resembling the symptoms of encephalitis lethargica...
September 2016: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/27667486/-anti-nmda-receptor-antibody-related-encephalitis
#16
Shigemi Nagayama, Keiko Tanaka
Recently, the search for diagnostic antibody markers has drawn considerable attention in relation to autoimmune encephalitis. Among the antibody markers, the most frequently detected is the anti-N-methyl-D-aspartate receptor (NMDAR)antibody. Patients with this antibody develop characteristic clinical features. This disease tends to affect young women, and starts with psychiatric symptoms followed by seizures, involuntary movements, autonomic failure, and respiratory failure. Nearly half of these female patients have ovarian teratoma...
September 2016: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/27658841/acute-psychosis-anti-nmda-receptor-encephalitis-phase
#17
Željko Milovac, Marija Santini, Sandra Vuk Pisk, Sandra Caratan, Vladimir Grošić, Igor Filipčić
No abstract text is available yet for this article.
September 2016: Psychiatria Danubina
https://www.readbyqxmd.com/read/27625730/two-cases-of-anti-nmda-receptor-encephalitis
#18
Jessa Baker, Chris Jeziorkowski, Cory Siebe, Megan Boysen Osborn
No abstract text is available yet for this article.
September 2016: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27610299/successful-management-of-dexmedetomidine-for-postoperative-intensive-care-sedation-in-a-patient-with-anti-nmda-receptor-encephalitis-a-case-report-and-animal-experiment
#19
Daiki Yamanaka, Takashi Kawano, Hiroki Tateiwa, Hideki Iwata, Fabricio M Locatelli, Masataka Yokoyama
BACKGROUND: Anti-N-methyl-d-aspartate receptor (NMDA-R) encephalitis is a recently identified but increasingly recognized autoimmune paraneoplastic disease. Because these patients present complex neuropsychiatric symptoms due to NMDA-R dysfunction, the optimal methods of sedation/anesthesia remain controversial. Here, we present animal experiment data, along with a related case report, implying the safe and effective use of dexmedetomidine in patients with anti-NMDA-R encephalitis. FINDINGS: (1) Animal experiment: in order to investigate whether dexmedetomidine may interfere with NMDA-R activity, an NMDA antagonist (MK-801) model in rats was used to simulate anti-NMDA-R encephalitis...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27609293/frequent-rhabdomyolysis-in-anti-nmda-receptor-encephalitis
#20
Jung-Ah Lim, Soon-Tae Lee, Tae-Joon Kim, Jangsup Moon, Jun-Sang Sunwoo, Jung-Ick Byun, Keun-Hwa Jung, Ki-Young Jung, Kon Chu, Sang Kun Lee
The aim of this study was to analyze the clinical presentation and provocation factors of rhabdomyolysis in anti-NMDAR encephalitis. Among the 16 patients with anti-NMDAR encephalitis in our institutional cohort, nine patients had elevated CK enzyme levels and clinical evidence of rhabdomyolysis. Rhabdomyolysis was more frequent after immunotherapy. The use of dopamine receptor blocker (DRB) increased the risk of rhabdomyolysis. None of the patients without rhabdomyolysis received DRBs. Rhabdomyolysis is a frequent complication in anti-NMDAR encephalitis and more common after immunotherapy and the use of DRBs increases the risk...
September 15, 2016: Journal of Neuroimmunology
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