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acute disseminated encephalomyelitis

W Oliver Tobin, Chiara Costanzi, Yong Guo, Joseph E Parisi, Stephen D Weigand, Claudia F Lucchinetti
BACKGROUND: The spectrum of central nervous system-idiopathic inflammatory demyelinating disease (CNS-IIDD) in the elderly is uncertain. OBJECTIVE: To describe the clinical, radiological, and pathological features of a cohort of 30 pathologically proven CNS-IIDD patients ⩾65 years. METHODS: Elderly multiple sclerosis (MS)/clinically isolated syndrome (CIS) patients were compared to a cohort of 125 patients with pathologically proven MS/CIS and symptom onset <65 years...
October 19, 2016: Multiple Sclerosis: Clinical and Laboratory Research
Michael M Neeki, Christine Au, Aurora Richard, Carlos Peace, Sharon Jaques, Jens Johansson
PURPOSE: We aimed to describe a case of an incarcerated adolescent with acute disseminated encephalomyelitis (ADEM) presenting as acute psychosis. METHODS: This was a retrospective case report followed with chart and literature review. MAIN FINDINGS: An adolescent with ADEM presented with drastic behavior and personality changes that led to her incarceration for serious charges. Acute disseminated encephalomyelitis leads to neuropsychiatric effects and can be seen with magnetic resonance imaging as a large mass effect that may result in a poor prognosis...
October 4, 2016: Pediatric Emergency Care
Y Yamaguchi, H Torisu, R Kira, Y Ishizaki, Y Sakai, M Sanefuji, T Ichiyama, A Oka, T Kishi, S Kimura, M Kubota, J Takanashi, Y Takahashi, H Tamai, J Natsume, S Hamano, S Hirabayashi, Y Maegaki, M Mizuguchi, K Minagawa, H Yoshikawa, J Kira, S Kusunoki, T Hara
OBJECTIVE: To investigate the clinical and epidemiologic features of pediatric acquired demyelinating syndromes (ADS) of the CNS in Japan. METHODS: We conducted a nationwide survey and collected clinical data on children with ADS aged 15 years or younger, who visited hospitals between 2005 and 2007. RESULTS: Among 977 hospitals enrolled, 723 (74.0%) responded to our inquiries and reported a total of 439 patients as follows: 244 with acute disseminated encephalomyelitis (ADEM), 117 with multiple sclerosis (MS), 14 with neuromyelitis optica (NMO), and 64 with other ADS...
October 14, 2016: Neurology
Gaur S, Prabhu M
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
Mohammad Zare Mehrjardi, Elham Keshavarz, Andrea Poretti, Adriano N Hazin
Zika virus (ZIKV) is an arbovirus from the Flaviviridae family. It is usually transmitted by mosquito bite. There have been no reports of severe symptoms caused by ZIKV infection up until the last few years. In October 2013 an outbreak was reported in French Polynesia with severe neurological complications in some affected cases. In November 2015, the Ministry of Health of Brazil attributed the increased number of neonatal microcephaly cases in northeastern Brazil to congenital ZIKV infection. The rapid spread of the virus convinced the World Health Organization to announce ZIKV infection as a "Public Health Emergency of International Concern" in February 2016...
October 6, 2016: Japanese Journal of Radiology
Jolanta Florczak-Wyspiańska, Ewa Nawotczyńska, Wojciech Kozubski
Yellow fever (YF) is a mosquito-borne viral hemorrhagic fever, which is a serious and potentially fatal disease with no specific antiviral treatment that can be effectively prevented by an attenuated vaccine (YEL). Despite the long history of safe and efficacious YF vaccination, sporadic case reports of serious adverse events (SAEs) have been reported, including yellow fever vaccine-associated neurotropic disease (YEL-AND). YEL-AND usually appears within one month of YF vaccination, manifesting as meningoencephalitis, Guillain-Barré syndrome (GBS) or acute disseminated encephalomyelitis (ADEM)...
September 22, 2016: Neurologia i Neurochirurgia Polska
Ansuya Naidoo, Hoosain Paruk, Bhupendra Bhagwan, Anand Moodley
Acute disseminated encephalomyelitis is a monophasic demyelinating disorder of the central nervous system associated with various viral infections including HIV infection. We present the findings of seven HIV-infected patients with mild to moderate immunosuppression presenting with atypical features. Four patients had a multiphasic course; three patients had tumefactive lesions, and two patients had corpus callosum lesions. Two patients with the multiphasic course also had tumefactive lesions. Their clinical and radiological findings are presented...
September 29, 2016: Journal of Neurovirology
Yu Yi M Wong, E Daniëlle van Pelt, Immy A Ketelslegers, Coriene E Catsman-Berrevoets, Rogier Q Hintzen, Rinze F Neuteboom
OBJECTIVE: Acute disseminating encephalomyelitis (ADEM) is an inflammatory demyelinating disease affecting the central nervous system and mainly occurs in young children. Children who initially presented with ADEM can be diagnosed with multiple sclerosis (MS) in case new non-encephalopathic clinical symptoms occur with new lesions on MRI at least three months after onset of ADEM. We aim to study the timing of MRI abnormalities related to the evolution of clinical symptoms in our Dutch paediatric ADEM cohort...
September 6, 2016: European Journal of Paediatric Neurology: EJPN
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
Abdelrahim Abdrabou Sadek, Mostafa Ashry Mohamed, Ashraf Abou-Taleb, Marwa Ibrahim Mohammed
INTRODUCTION: Acute disseminated encephalomyelitis (ADEM) is an immune mediated disease of the brain. Although it occurs in all ages, most reported cases are in children and adolescents. The aims of this study were to study the clinical pattern and outcome of ADEM in children in a tertiary center in Upper Egypt and to determine the effect of combined use of steroids and IVIg on outcome. METHODS: This observational study was carried out from January 2014 through December 2014 in the Pediatric Department of Sohag University Hospital (Egypt)...
July 2016: Electronic Physician
Nicolae Sarbu, Robert Y Shih, Robert V Jones, Iren Horkayne-Szakaly, Laura Oleaga, James G Smirniotopoulos
White matter diseases include a wide spectrum of disorders that have in common impairment of normal myelination, either by secondary destruction of previously myelinated structures (demyelinating processes) or by primary abnormalities of myelin formation (dysmyelinating processes). The pathogenesis of many white matter diseases remains poorly understood. Demyelinating disorders are the object of this review and will be further divided into autoimmune, infectious, vascular, and toxic-metabolic processes. Autoimmune processes include multiple sclerosis and related diseases: tumefactive demyelinating lesions, Balo concentric sclerosis, Marburg and Schilder variants, neuromyelitis optica (Devic disease), acute disseminated encephalomyelitis, and acute hemorrhagic leukoencephalopathy (Hurst disease)...
September 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Alan C Jackson, Luiz C Mostaço-Guidolin, Hasantha Sinnock, Songul Bozat-Emre, Michael Routledge, Salaheddin M Mahmud
BACKGROUND: An increased incidence of hospital admissions coded as acute disseminated encephalomyelitis (ADEM) was noted in Winnipeg, Manitoba, Canada, during the second wave of the influenza pandemic from October 2009 to March 2010. However, it was not clear whether this was due to heightened awareness of potential neurological complications of influenza or influenza vaccination or an actual increase in the number of cases. METHODS: We extracted data from the charts of 139 patients hospitalized with an International Classification of Diseases-10 discharge code indicating ADEM (G04...
September 9, 2016: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
Roger Baxter, Edwin Lewis, Kristin Goddard, Bruce Fireman, Nandini Bakshi, Frank DeStefano, Julianne Gee, Hung Fu Tseng, Allison L Naleway, Nicola P Klein
BACKGROUND:  Case reports have suggested that vaccines may trigger transverse myelitis (TM) or acute disseminated encephalomyelitis (ADEM), but the evidence for a causal association is inconclusive. We analyzed the association of immunization and subsequent development of TM or ADEM. METHODS:  We identified all cases of TM and ADEM in the Vaccine Safety Datalink population. Using a case-centered method, we compared vaccination of each case to vaccination of all matched persons in the study population, who received the same type of vaccine, with respect to whether or not their vaccination occurred during a predetermined exposure interval...
September 1, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
Kavitha Kothur, Louise Wienholt, Shekeeb S Mohammad, Esther M Tantsis, Sekhar Pillai, Philip N Britton, Cheryl A Jones, Rajeshwar R Angiti, Elizabeth H Barnes, Timothy Schlub, Sushil Bandodkar, Fabienne Brilot, Russell C Dale
BACKGROUND: Despite the discovery of CSF and serum diagnostic autoantibodies in autoimmune encephalitis, there are still very limited CSF biomarkers for diagnostic and monitoring purposes in children with inflammatory or autoimmune brain disease. The cause of encephalitis is unknown in up to a third of encephalitis cohorts, and it is important to differentiate infective from autoimmune encephalitis given the therapeutic implications. AIM: To study CSF cytokines and chemokines as diagnostic biomarkers of active neuroinflammation, and assess their role in differentiating demyelinating, autoimmune, and viral encephalitis...
2016: PloS One
Rogier Q Hintzen, Russell C Dale, Rinze F Neuteboom, Soe Mar, Brenda Banwell
Approximately one-third of children with an acquired demyelinating syndrome (ADS) will be diagnosed with multiple sclerosis (MS), either at onset according to the 2010 McDonald criteria, or on the basis of clinical or MRI evidence of relapsing disease, in the majority of patients within 2-4 years. ADS in adolescents, female patients, and patients with polyfocal deficits is associated with the highest likelihood of MS, while children with acute disseminated encephalomyelitis, those with documented preceding infection, and ADS presentation in young children more commonly portends a monophasic outcome...
August 30, 2016: Neurology
Daniela Pohl, Gulay Alper, Keith Van Haren, Andrew J Kornberg, Claudia F Lucchinetti, Silvia Tenembaum, Anita L Belman
Acute disseminated encephalomyelitis (ADEM) is an immune-mediated demyelinating CNS disorder with predilection to early childhood. ADEM is generally considered a monophasic disease. However, recurrent ADEM has been described and defined as multiphasic disseminated encephalomyelitis. ADEM often occurs postinfectiously, although a causal relationship has never been established. ADEM and multiple sclerosis are currently viewed as distinct entities, generally distinguishable even at disease onset. However, pathologic studies have demonstrated transitional cases of yet unclear significance...
August 30, 2016: Neurology
Kevin Rostasy, Barbara Bajer-Kornek, Sunita Venkateswaran, Cheryl Hemingway, Marc Tardieu
Major advances have been made in the clinical and radiologic characterization of children presenting with the different forms of an acquired inflammatory demyelinating syndrome (ADS) such as acute disseminating encephalomyelitis, neuromyelitis optica spectrum disorders, and clinically isolated syndromes. Nevertheless, a proportion of cases that present with similar symptoms are due to a broad spectrum of other inflammatory disorders affecting the white matter, primary CNS tumors, or neurometabolic diseases...
August 30, 2016: Neurology
Emmanuelle Waubant, Anne-Louise Ponsonby, Maura Pugliatti, Heather Hanwell, Ellen M Mowry, Rogier Q Hintzen
The onset of multiple sclerosis (MS) occurs in childhood in about 5% of all patients with MS. The disease in adults has a complex genetic and environmental inheritability. One of the main risk factors, also confirmed in pediatric MS, is HLA DRB1*1501 In addition to genetic factors, a large part of disease susceptibility in adults is conferred by environmental risk factors such as low vitamin D status, exposure to cigarette smoking, and remote Epstein-Barr virus (EBV) infection. In children, both exposure to cigarette smoking and prior EBV infection have been reported consistently as risk factors for MS...
August 30, 2016: Neurology
Evangeline Wassmer, Tanuja Chitnis, Daniela Pohl, Maria Pia Amato, Brenda Banwell, Angelo Ghezzi, Rogier Q Hintzen, Lauren B Krupp, Naila Makhani, Kevin Rostásy, Marc Tardieu, Silvia Tenembaum, Amy Waldman, Emmanuelle Waubant, Andrew J Kornberg
The International Pediatric Multiple Sclerosis Study Group held its inaugural educational program, "The World of Pediatric MS: A Global Update," in September 2014 to discuss advances and challenges in the diagnosis and management of pediatric multiple sclerosis (MS) and other neuroinflammatory CNS disorders. Highlights included a discussion on the revised diagnostic criteria, which enable the differentiation of MS, acute disseminated encephalomyelitis, neuromyelitis optica, and other neuroinflammatory disorders...
August 30, 2016: Neurology
Anusha K Yeshokumar, Lisa R Sun, Jessica L Klein, Kristin W Baranano, Carlos A Pardo
This case series demonstrates a novel clinical phenotype of gait disturbance as an initial symptom in children <3 years old with anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis. Anti-NMDAR encephalitis is one of the most common causes of encephalitis in children, more common than any of the viral encephalitides and the second most common autoimmune cause after acute disseminated encephalomyelitis. Anti-NMDAR encephalitis in children often presents with disrupted speech and sleep patterns followed by progression to motor dysfunction, dyskinesias, and seizures...
September 2016: Pediatrics
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