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Anti-N-methyl-D-aspartate 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/27872179/anti-n-methyl-d-aspartate-nmda-receptor-encephalitis-a-survey-of-treatment-progress-and-prospects-from-pediatric-neurologists
#2
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/27854088/long-term-and-strong-immunotherapy-to-treat-anti-n-methyl-d-aspartate-receptor-encephalitis-with-refractory-status-epilepticus
#3
Lan-Hsin Lee, Chien-Jung Lu
BACKGROUND: Anti-N-Methyl-D-Aspartate receptor (anti-NMDAR) encephalitis is responsive to immunotherapy and removal of tumor, but there is no consensus in the treatment of severe anti- NMDAR encephalitis with prolonged refractory status epilepticus (SE). CASE REPORT: A 17-year-old girl presented as acute psychosis, refractory seizures, hyperkinesia, autonomic instability, and soon progressed to a dissociative state of coma. Anti-NMDAR antibodies were positive in serum and CSF...
September 15, 2016: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/27836631/low-serum-vitamin-d-levels-and-anti-n-methyl-d-aspartate-receptor-encephalitis-a-case-control-study
#4
Yaqing Shu, Qingmei Su, Siyuan Liao, Tingting Lu, Rui Li, Xiaobo Sun, Wei Qiu, Yu Yang, Xueqiang Hu, Zhengqi Lu
BACKGROUND: Low vitamin D levels are associated with autoimmunity, but the relationship with anti-N-Methyl-d-aspartate receptor (anti-NMDAR) encephalitis is unknown. METHODS: 25(OH) D levels and clinical and cerebrospinal fluid parameters were evaluated in 30 patients with anti-NMDAR encephalitis and compared with 90 age-, sex-, and season-matched healthy controls. RESULTS: 25(OH)D levels were lower in patients with anti-NMDAR encephalitis compared to controls (43...
November 8, 2016: Neurochemistry International
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/27823947/coexisting-neuronal-autoantibodies-among-children-with-demyelinating-syndromes
#7
Hikmet Kıztanır, Gonca Bektaş, Edibe Pembegül Yıldız, Tuğçe Aksu Uzunhan, Burak Tatlı, Nur Aydınlı, Mine Çalışkan, Meral Özmen
OBJECTIVES: To determine the incidence and clinical relevance of neuronal autoantibodies in children with demyelinating syndromes. METHODS: We conducted a prospective study including 31 consecutive children with demyelinating syndromes. Four patients with N-Methyl-D-aspartate receptor (NMDAR) encephalitis, 32 patients with Guillain-Barre syndrome, 13 children with benign childhood epilepsy, and 28 healthy children were used as controls. Prior to initiating immunomodulatory therapy, serum samples were tested for antibodies against NMDAR, α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (AMPAR) 1, AMPAR2, leucine-rich glioma-activated protein 1, contactin-associated protein 2, gamma-aminobutyric acid B receptors, paraneoplastic ma antigen 2 (PNMA2/Ta), Yo, Ri, Hu, CV2, amphiphysin, and aquaporin-4 by indirect immunofluorescence assays...
November 4, 2016: Brain & Development
https://www.readbyqxmd.com/read/27821481/serial-eeg-monitoring-in-a-patient-with-anti-nmda-receptor-encephalitis
#8
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
#9
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/27776544/anti-n-methyl-d-aspartate-receptor-encephalitis-with-an-imaging-invisible-ovarian-teratoma-a-case-report
#10
Zainab M Abdul-Rahman, Peter K Panegyres, Margareta Roeck, David Hawkins, Jude Bharath, Paul Grolman, Cliffe Neppe, David Palmer
BACKGROUND: Anti-N-methyl-D-aspartate receptor encephalitis is a recently discovered disease entity of paraneoplastic limbic encephalitis. It largely affects young women and is often associated with an ovarian teratoma. It is a serious yet treatable condition if diagnosed early. Its remedy involves immunotherapy and surgical removal of the teratoma of the ovaries. This case of anti-N-methyl-D-aspartate receptor encephalitis involves an early surgical intervention with bilateral oophorectomy, despite negative imaging evidence of a teratoma...
October 24, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27762163/spontaneous-recovery-of-memory-functions-in-an-untreated-case-of-anti-nmdar-encephalitis-a-reason-to-maintain-hope
#11
Katherine McIvor, Perry Moore
OBJECTIVE: Anti N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is an autoimmune disorder that was only fully discovered recently and neuropsychological outcome data remains sparse. We present the case of BA, a 19-year-old male, which illustrates the cognitive outcome in an untreated case over a time period of over 2½ years. METHOD: We conducted three cognitive assessments, including tests of memory and executive functioning, over this time period and considered the evidence for reliable change in memory function using the Wechsler Advanced Clinical Solutions (ACS) serial assessment package...
October 20, 2016: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/27720246/extra-central-nervous-system-target-for-assessment-and-treatment-in-refractory-anti-n-methyl-d-aspartate-receptor-encephalitis
#12
David W Nauen
Anti-N-methyl-d-aspartate-type glutamate receptor autoimmune encephalitis can arise in the setting of ovarian teratoma and often responds to resection. When it occurs in the absence of tumor, failure to respond to treatment may be more likely, and affected patients often require intensive care. To further understand the mechanisms and potential management, we present findings from an autopsy conducted on a young woman who died of refractory autoimmune encephalitis of this type. Rituximab was administered 70 days before death, and both 37 and 14 days before death, CD19(+) lymphocytes were only 0...
September 22, 2016: Journal of Critical Care
https://www.readbyqxmd.com/read/27708781/psychosis-call-a-surgeon-a-rare-etiology-of-psychosis-requiring-resection
#13
Kantha Medepalli, Cody M Lee, Lauryn A Benninger, Jean M Elwing
OBJECTIVE: Anti-N-methyl-d-aspartate receptor encephalitis is a rare but emerging cause of autoimmune encephalitis. Our objective is to present a case of this rare disease while highlighting the importance of an aggressive search for underlying malignancy as well as the common mischaracterization of primary psychiatric illness that occurs in these patients. METHODS: A young Caucasian female with no known psychiatric history presented with acute onset of seizures and psychosis...
2016: SAGE open medical case reports
https://www.readbyqxmd.com/read/27687317/-anesthesia-in-anti-n-methyl-d-aspartate-receptor-encephalitis-is-general-anesthesia-a-requisite-a-case-report
#14
Sook Hui Chaw, Li Lian Foo, Lucy Chan, Kang Kwong Wong, Suhailah Abdullah, Boon Kiong Lim
Anti-N-methyl-d-aspartate receptor encephalitis is a recently described neurological disorder and an increasingly recognized cause of psychosis, movement disorders and autonomic dysfunction. We report 20-year-old Chinese female who presented with generalized tonic-clonic seizures, recent memory loss, visual hallucinations and abnormal behavior. Anti-N-methyl-d-aspartate receptor encephalitis was diagnosed and a computed tomography scan of abdomen reviewed a left adnexal tumor. We describe the first such case report of a patient with anti-N-methyl-d-aspartate receptor encephalitis who was given a bilateral transversus abdominis plane block as the sole anesthetic for removal of ovarian tumor...
September 26, 2016: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/27676823/adult-anti-nmda-receptor-encephalitis-which-physical-and-rehabilitation-medicine-program-case-reports-and-literature-review
#15
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/27673207/poster-461-recovery-in-acute-inpatient-rehabilitation-for-pediatric-anti-n-methyl-d-aspartate-receptor-encephalitis-a-case-report
#16
Jacob Peacock, Idris Amin, Syed Ahmed
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/27673017/poster-260-the-rehabilitative-management-of-a-patient-with-anti-n-methyl-d-aspartate-receptor-encephalitis-a-case-report
#17
Paolo C Mimbella, Monica Verduzco-Gutierrez, Michael J Irvine, Tomasz K Podobinski
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/27667486/-anti-nmda-receptor-antibody-related-encephalitis
#18
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/27652003/long-term-poor-rapport-lack-of-spontaneity-and-passive-social-withdrawal-related-to-acute-post-infectious-encephalitis-a-case-report
#19
Atsurou Yamada, Nobuhiro Miyachi, Toshiyasu Miura, Masako Suzuki, Norio Watanabe, Tatsuo Akechi
INTRODUCTION: Post-infectious encephalitis/encephalopathy is a neurological syndrome that sometimes develops following common viral or bacterial infections. The most common form is acute disseminated encephalomyelitis (ADEM). ADEM is a demyelinating disease of the central nervous system that typically presents as a monophasic disorder associated with multifocal neurologic symptoms and encephalitis. Anti-N-methyl-d-aspartate receptor (anti-NMDAR) encephalitis is another type of severe autoimmune disorder, characterized by seizures, movement disorders and psychiatric symptoms...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27632180/clinical-characteristics-and-outcomes-between-children-and-adults-with-anti-n-methyl-d-aspartate-receptor-encephalitis
#20
Qi Huang, Yuan Wu, Rongfa Qin, Xing Wei, Meigang Ma
Anti-N-Methyl-D-Aspartate receptor (NMDAR) encephalitis is an acute neurological disorder affecting children and adults. We aimed to compare the clinical characteristics, treatments, and outcomes between children and adults with anti-NMDAR encephalitis and to assess the probable risk factors. In this observational study, patients who tested positive for anti-NMDAR antibody in the cerebrospinal fluid were enrolled. The patients were divided into children and adults group on the basis of age (whether <16 or not)...
December 2016: Journal of Neurology
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