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https://www.readbyqxmd.com/read/28096524/a-case-of-seronegative-limbic-encephalitis-with-multiple-sclerosis-a-possible-overlapping-syndrome
#1
Zerrin Karaaslan, Özlem Mercan, Erdem Tüzün, Handan Mısırlı, Recai Türkoğlu
BACKGROUND Autoimmune encephalitis might coexist in patients with autoimmune demyelinating disorders. CASE REPORT We report on a case of a 45-year-old female multiple sclerosis (MS) patient presenting with acute onset short-term memory loss, altered mental status, inflammatory cerebrospinal fluid (CSF) findings and an MRI lesion on the left temporal lobe. An extensive panel for neuronal autoantibodies proved negative. Neuropsychological symptoms gave a prompt response to immunotherapy but nevertheless control MRI showed left hippocampal atrophy...
January 18, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28090058/herpes-simplex-encephalitis-complicated-by-cerebral-hemorrhage-during-acyclovir-therapy
#2
Yukinori Harada, Yuuta Hara
Herpes simplex encephalitis (HSE) can be complicated by adverse events in the acute phase. We herein present the case of a 71-year-old woman with HSE complicated by cerebral hemorrhage. She presented with acute deterioration of consciousness and fever and was diagnosed with HSE based on the detection of herpes simplex virus-1 in the cerebrospinal fluid by a polymerase chain reaction. The cerebral hemorrhage developed during acyclovir therapy; however, its diagnosis was delayed for 2 days. After the conservative treatment of the cerebral hemorrhage, the patient made a near-complete recovery...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28071799/seroepidemiological-and-phylogenetic-characterisation-of-neurotropic-enteroviruses-in-ireland-2005-2014
#3
Jorge Abboud Guerra, Allison Waters, Alison Kelly, Ursula Morley, Paul O'Reilly, Edwin O'Kelly, Jonathan Dean, Robert Cunney, Piaras O'Lorcain, Suzanne Cotter, Jeff Connell, Joanne O'Gorman, William W Hall, Michael Carr, Cillian F De Gascun
Enteroviruses (EVs) are associated with a broad spectrum of clinical presentation, including aseptic meningitis (AM), encephalitis, hand, foot and mouth disease, acute flaccid paralysis and acute flaccid myelitis. Epidemics occur sporadically and are associated with increased cases of AM in children. The present study describes the seroepidemiological analysis of circulating EVs in Ireland from 2005-2014 and phylogenetic characterisation of echovirus 30 (E-30), enterovirus A71 (EV-A71) and enterovirus D68 (EV-D68)...
January 10, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28069071/sporadic-cases-of-adult-measles-a-research-article
#4
Ranjan Premaratna, Nathasha Luke, Harsha Perera, Mahesh Gunathilake, Pubudu Amarasena, T G A Nilmini Chandrasena
BACKGROUND: Measles caused by a paramyxovirus, characterized by fever, malaise, cough, coryza conjunctivitis, a maculopapular rash is known to result in pneumonia, encephalitis and death. Fatal cases of measles in Sri Lanka are rare after implementation of the National Immunization Programme in 1984. Thereafter 0.1% case fatality rate was observed during October 1999-June 2000 which is a very low figure compared to other regional countries. Immunization guidelines were further revised in 2001, 2011 and in 2012 when additional immunization was recommended to age group 4-21 years; who are likely to have inadequate immunization, in order to achieve elimination of Measles by 2020...
January 10, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28068627/thiosemicarbazones-and-phthalyl-thiazoles-compounds-exert-antiviral-activity-against-yellow-fever-virus-and-saint-louis-encephalitis-virus
#5
Carolina Colombelli Pacca, Rafael Elias Marques, José Wanderlan P Espindola, Gevânio B O Oliveira Filho, Ana Cristina Lima Leite, Mauro Martins Teixeira, Mauricio L Nogueira
Arboviruses, arthropod-borneviruses, are frequency associated to human outbreak and represent a serious health problem. The genus Flavivirus, such as Yellow Fever Virus (YFV) and Saint Louis Encephalitis Virus (SLEV), are important pathogens with high morbidity and mortality worldwide. In Brazil, YFV is maintained in sylvatic cycle, but many cases are notified annually, despite the efficiency of vaccine. SLEV causes an acute encephalitis and is widely distributed in the Americas. There is no specific antiviral drugs for these viruses, only supporting treatment that can alleviate symptoms and prevent complications...
January 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28068342/neuropathogenesis-of-zika-virus-in-a-highly-susceptible-immunocompetent-mouse-model-after-antibody-blockade-of-type-i-interferon
#6
Darci R Smith, Bradley Hollidge, Sharon Daye, Xiankun Zeng, Candace Blancett, Kyle Kuszpit, Thomas Bocan, Jeff W Koehler, Susan Coyne, Tim Minogue, Tara Kenny, Xiaoli Chi, Soojin Yim, Lynn Miller, Connie Schmaljohn, Sina Bavari, Joseph W Golden
Animal models are needed to better understand the pathogenic mechanisms of Zika virus (ZIKV) and to evaluate candidate medical countermeasures. Adult mice infected with ZIKV develop a transient viremia, but do not demonstrate signs of morbidity or mortality. Mice deficient in type I or a combination of type I and type II interferon (IFN) responses are highly susceptible to ZIKV infection; however, the absence of a competent immune system limits their usefulness for studying medical countermeasures. Here we employ a murine model for ZIKV using wild-type C57BL/6 mice treated with an antibody to disrupt type I IFN signaling to study ZIKV pathogenesis...
January 9, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28061903/detection-of-west-nile-virus-in-six-mosquito-species-in-synchrony-with-seroconversion-among-sentinel-chickens-in-india
#7
Siraj A Khan, Purvita Chowdhury, Parveena Choudhury, Prafulla Dutta
BACKGROUND: West Nile virus (WNV) is a zoonotic flavivirus maintained in mosquito-bird transmission cycle. Although humans are accidental hosts, fatal outcomes following WNV infection have been reported from India. Studies have identified WNV as an important etiological agent causing acute encephalitis syndrome in Assam, Northeast India. While circulation of WNV is evident, the role of vectors and avian hosts involved in the transmission remains unclear. In this study we identified local mosquito species for evidence of WNV infection along with seroconversion among sentinel chickens...
January 7, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28059631/acute-necrotizing-encephalopathy-causing-human-bocavirus
#8
Ayse Betul Ergul, Umit Altug, Kursad Aydin, Ahmet Sami Guven, Yasemin Altuner Torun
Acute necrotizing encephalopathy is characterized by multiple, symmetrical lesions involving the thalamus, brainstem, cerebellum, and white matter and develops secondarily to viral infections. Influenza viruses are the most common etiological agents. Here, we present the first case of acute necrotizing encephalopathy to develop secondarily to human bocavirus. A 3-year-old girl presented with fever and altered mental status. She had had a fever, cough, and rhinorrhea for five days. The patient was admitted to the intensive care unit with an initial diagnosis of encephalitis when vomiting, convulsions, and loss of consciousness developed...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28056277/-direct-medical-costs-and-influencing-factors-in-severe-hand-foot-and-mouth-disease-in-children-aged-between-six-months-and-five-years-old
#9
Y M Zheng, J Yang, Q H Liao
Objective: To estimate the direct medical cost of severe hand, foot and mouth disease (HFMD) in patients aged less than five years. Methods: A stratified sampling method was used to collect data on severe HFMD cases reported in the National HFMD surveillance database between Jan 1, 2012, and Dec 31, 2013. The sampling was referenced with the national aetiologic distribution of Enterovirus A71 (EV-A71), Coxsackievirus A16 (CV-A16) and other Enteroviruses (OEV) for severe HFMD cases and the included cases were distributed among seven geographic regions (Northeast, North China, Northwest, Central China, Southwest, East China and South China)...
January 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28051359/electron-microscopy-of-alkhumra-hemorrhagic-fever-virus
#10
Tariq A Madani, El-Tayb M E Abuelzein, Sawsan M Jalalah, Huda Abu-Araki, Esam I Azhar, Ahmed M Hassan, Hussein M S Al-Bar
Alkhumra hemorrhagic fever virus (AHFV) is a newly described zoonotic flavivirus that was first isolated during 1994-1995 from the Alkhumra district south of Jeddah, Saudi Arabia. Subsequently, the virus was also isolated from Makkah city (2001-2003) and Najran (2008-2009), Saudi Arabia. The virus causes acute febrile illness with hepatitis, hemorrhagic manifestations, and encephalitis. A case fatality rate of 25% was reported among hospitalized patients. Although several biological and molecular characteristics of the virus have been published, no data are available on electron microscopic features of the virus...
January 4, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28045967/induction-of-multiple-mir-200-182-members-in-the-brains-of-mice-are-associated-with-acute-herpes-simplex-virus-1-encephalitis
#11
Anna Majer, Kyle A Caligiuri, Kamilla K Gale, Yulian Niu, Clark S Phillipson, Timothy F Booth, Stephanie A Booth
Important roles of microRNAs (miRNAs) in regulating the host response during viral infection have begun to be defined. However, little is known about the functional roles of miRNAs within an in vivo acute viral encephalitis model. We therefore identified global changes in miRNA expression during acute herpes simplex virus type 1 (HSV-1) encephalitis (HSVE) in mice. We found that many of the highly upregulated miRNAs (miR-155, miR-146a and miR-15b) detected in HSV-1 infected brain tissue are known regulators of inflammation and innate immunity...
2017: PloS One
https://www.readbyqxmd.com/read/28029552/epilepsia-partialis-continua-a-review
#12
REVIEW
Rūta Mameniškienė, Peter Wolf
Epilepsia partialis contina (EPC) in a narrow definition is a variant of simple focal motor status epilepticus in which frequent repetitive muscle jerks, usually arrhythmic, continue over prolonged periods of time. In a broader definition (used in this review) it also includes non-motor manifestations otherwise known as aura continua. EPC may occur as a single episode, repetitive episodes, it may be chronic progressive or non-progressive. It appears as an unusual manifestation of epilepsy in which more typical paroxysmal events are partly or entirely replaced by the sustained repetition of seizure fragments in rapid succession...
October 18, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28017800/viral-mouse-models-of-multiple-sclerosis-and-epilepsy-marked-differences-in-neuropathogenesis-following-infection-with-two-naturally-occurring-variants-of-theiler-s-virus-bean-strain
#13
Sonja Bröer, Elias Hage, Christopher Käufer, Ingo Gerhauser, Muneeb Anjum, Lin Li, Wolfgang Baumgärtner, Thomas F Schulz, Wolfgang Löscher
Following intracerebral inoculation, the BeAn 8386 strain of Theiler's virus causes persistent infection and inflammatory demyelinating encephalomyelitis in the spinal cord of T-cell defective SJL/J mice, which is widely used as a model of multiple sclerosis. In contrast, C57BL/6 (B6) mice clear the virus and develop inflammation and lesions in the hippocampus, associated with acute and chronic seizures, representing a novel model of viral encephalitis-induced epilepsy. Here we characterize the geno- and phenotype of two naturally occurring variants of BeAn (BeAn-1 and BeAn-2) that can be used to further understand the viral and host factors involved in the neuropathogenesis in B6 and SJL/J mice...
December 22, 2016: Neurobiology of Disease
https://www.readbyqxmd.com/read/28003589/acute-encephalitic-syndrome-in-adults-and-its-correlation-with-cytokine-levels-in-serum-and-cerebrospinal-fluid
#14
Santosh K Singh, Dinkar Kulshreshtha, Ajai K Singh, Pradeep K Maurya, Anup K Thacker
Acute encephalitis syndrome (AES) is a major health problem in developing countries like India. Neuronal injury in encephalitis is attributed to direct toxicity from pathogens and proinflammatory cytokines. In this study, we assessed the serum and cerebrospinal fluid (CSF) levels of cytokines and their correlation with clinical symptoms. Patients with AES of less than 2 weeks duration underwent brain imaging followed by a CSF examination for routine parameters and viral studies. Cytokines IL-6, IL-10 and RANTES levels were assessed in the serum in all patients and in 50 CSF samples and compared with serum cytokine levels in 64 age and sex matched controls...
December 22, 2016: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27999325/pharmacokinetics-of-the-antiviral-lectin-griffithsin-administered-by-different-routes-indicates-multiple-potential-uses
#15
Christopher Barton, J Calvin Kouokam, Harrell Hurst, Kenneth E Palmer
Griffithsin (GRFT) is a red alga-derived lectin with demonstrated broad spectrum antiviral activity against enveloped viruses, including severe acute respiratory syndrome-Coronavirus (SARS-CoV), Japanese encephalitis virus (JEV), hepatitis C virus (HCV), and herpes simplex virus-2 (HSV-2). However, its pharmacokinetic profile remains largely undefined. Here, Sprague Dawley rats were administered a single dose of GRFT at 10 or 20 mg/kg by intravenous, oral, and subcutaneous routes, respectively, and serum GRFT levels were measured at select time points...
December 17, 2016: Viruses
https://www.readbyqxmd.com/read/27991656/the-neuropsychological-profile-of-children-with-basal-ganglia-encephalitis-a-case-series
#16
Chiara Pawela, Ruth K Brunsdon, Tracey A Williams, Melanie Porter, Russell C Dale, Shekeeb S Mohammad
Inflammatory basal ganglia encephalitis (BGE) is a rare but distinct entity of putative autoimmune aetiology, with specific basal ganglia inflammation and acute movement disorders. Unlike most brain injuries, BGE is a radiologically pure basal ganglia syndrome. The current study systematically describes the neuropsychological outcomes of four paediatric cases of BGE, and thus the neuropsychological outcomes of focal basal ganglia insult in childhood. Although all patients made significant motor recoveries, all four cases displayed executive dysfunction, fine motor difficulties, and anxiety...
December 19, 2016: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/27990258/case-report-84-year-old-woman-with-alien-hand-syndrome
#17
Ihtesham Aatif Qureshi, Daniel Korya, Darine Kassar, Mohammed Moussavi
Background: Alien hand syndrome [AHS] is a rare and ill-defined neurological disorder. It produces complex, goal-directed motion of one hand that is involuntarily instigated. This syndrome characteristically arises after brain trauma, brain surgery, stroke or encephalitis. We describe a case of AHS in a patient who had a previous episode of subarachnoid hemorrhage affecting the left frontal lobe and corpus callosum. Case presentation: An 84-year-old woman presented to the emergency department complaining of headaches and several episodes of her left arm moving as if it was groping around trying to grab at her own body...
2016: F1000Research
https://www.readbyqxmd.com/read/27974981/an-overlapping-case-of-miller-fisher-syndrome-bickerstaff-s-encephalitis-and-the-asman-variant-of-guillain-barre-syndrome
#18
E J Pegg, S K Chhetri, U G Lekwuwa, T Majeed
A 56-year-old man presented with a 3-day history of progressive tingling of the hands, unsteadiness, and diplopia. He was initially diagnosed clinically with Miller Fisher Syndrome (MFS) but later developed limb weakness consistent with Guillain-Barre Syndrome (GBS) and subsequently reduced consciousness consistent with Bickerstaff's brainstem encephalitis (BBE). Neurophysiology revealed an axonal motor and sensory neuropathy, in keeping with the Acute Motor and Sensory Axonal Neuropathy (AMSAN) variant of GBS...
2016: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/27966268/ophthalmological-findings-in-children-with-encephalitis
#19
Kerstin Hellgren, Åsa Fowler, Agneta Rydberg, Ronny Wickström
PURPOSE: To evaluate ophthalmological abnormalities in children with acute encephalitis. METHODS: Thirty-six children included in a hospital-based prospectively and consecutively collected cohort of children with acute encephalitis were investigated for ophthalmological abnormalities. The investigation included clinical ophthalmological examination, fundus photography, neuro-ophthalmological examinations as well as visual and stereo acuity. Results on laboratory examinations, clinical findings, neuroimaging and electroencephalography registrations were recorded for all children...
December 14, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27955671/pro-epileptogenic-effects-of-viral-like-inflammation-in-both-mature-and-immature-brains
#20
Nina Dupuis, Andrey Mazarati, Béatrice Desnous, Vibol Chhor, Bobbi Fleiss, Tifenn Le Charpentier, Sophie Lebon, Zsolt Csaba, Pierre Gressens, Pascal Dournaud, Stéphane Auvin
BACKGROUND: Infectious encephalitides are most often associated with acute seizures during the infection period and are risk factors for the development of epilepsy at later times. Mechanisms of viral encephalitis-induced epileptogenesis are poorly understood. Here, we evaluated the contribution of viral encephalitis-associated inflammation to ictogenesis and epileptogenesis using a rapid kindling protocol in rats. In addition, we examined whether minocycline can improve outcomes of viral-like brain inflammation...
December 12, 2016: Journal of Neuroinflammation
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