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https://www.readbyqxmd.com/read/28814513/escape-of-tick-borne-flavivirus-from-2-c-methylated-nucleoside-antivirals-is-mediated-by-a-single-conservative-mutation-in-ns5-that-has-a-dramatic-effect-on-viral-fitness
#1
Ludek Eyer, Hirofumi Kondo, Darina Zouharova, Minato Hirano, James J Valdés, Memi Muto, Tomas Kastl, Shintaro Kobayashi, Jan Haviernik, Manabu Igarashi, Hiroaki Kariwa, Marketa Vaculovicova, Jiri Cerny, Rene Kizek, Andrea Kröger, Stefan Lienenklaus, Milan Dejmek, Radim Nencka, Martin Palus, Jiri Salat, Erik De Clercq, Kentaro Yoshii, Daniel Ruzek
Tick-borne encephalitis virus (TBEV) causes a severe and potentially fatal neuroinfection in humans. Despite its high medical relevance, no specific antiviral therapy is currently available. Here we demonstrate that treatment with a nucleoside analog, 7-deaza-2' -C-methyladenosine (7-deaza-2' -CMA), substantially improved disease outcome, increased survival, and reduced signs of neuroinfection and viral titers in the brains of mice infected with a lethal dose of TBEV. To investigate the mechanism of action of 7-deaza-2' -CMA, two drug-resistant TBEV clones were generated and characterized...
August 16, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28741102/the-range-of-neurological-complications-in-chikungunya-fever
#2
T Cerny, M Schwarz, U Schwarz, J Lemant, P Gérardin, E Keller
BACKGROUND: Chikungunya fever is a globally spreading mosquito-borne disease that shows an unexpected neurovirulence. Even though the neurological complications have been a major cause of intensive care unit admission and death, to date, there is no systematic analysis of their spectrum available. OBJECTIVE: To review evidence of neurological manifestations in Chikungunya fever and map their epidemiology, clinical spectrum, pathomechanisms, diagnostics, therapies and outcomes...
May 25, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28716891/which-dengue-vaccine-approach-is-the-most-promising-and-should-we-be-concerned-about-enhanced-disease-after-vaccination-the-path-to-a-dengue-vaccine-learning-from-human-natural-dengue-infection-studies-and-vaccine-trials
#3
Aravinda M de Silva, Eva Harris
Dengue virus (DENV) is the most common arthropod-borne viral disease of humans. Although effective vaccines exist against other flaviviral diseases like yellow fever and Japanese encephalitis, dengue vaccine development is complicated by the presence of four virus serotypes and the possibility of partial immunity enhancing dengue disease severity. Several live attenuated dengue vaccines are being tested in human clinical trials. Initial results are mixed, with variable efficacy depending on DENV serotype and previous DENV exposure...
July 17, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28714494/computerized-axial-tomography-findings-in-children-with-afebrile-seizures-a-hospital-based-study-at-eastern-nepal
#4
P Poudel, M K Gupta, S P Kafle
BACKGROUND: Computerized Tomography can be performed in resource limited areas where Magnetic Resonance Imaging is less practical. This study was conducted to find out the proportion of cases with abnormal CT scan and findings of CT scan in children with afebrile seizures in a resource limited area. METHODS: This prospective study was conducted from 1st July 2009 to 31st March 2014 in a university hospital of Nepal. Patients (1 month to 20 years of age) presenting with history of afebrile seizure were included...
January 2017: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28676925/lyme-neuroborreliosis-do-we-treat-according-to-guidelines
#5
Åslaug R Lorentzen, Kristine J N Forselv, Geir Helgeland, Rigmor E Salvesen, Geir Sand, Heidi Ø Flemmen, Margrete H Bø, Ludmila Nordaa, Anna K Roos, Marion W Jim, Jone F Owe, Kaja B Nyquist, Stephan Schüler, Randi Eikeland, Åse Mygland, Unn Ljøstad
Evidence-based guidelines, published in 2010, equate the efficacy of oral and intravenous antibiotics and recommend treatment duration of 2 weeks in early Lyme neuroborreliosis (LNB) without encephalitis or myelitis. Further, the Norwegian health authorities give a general advice to choose oral rather than intravenous administration when proven effective, due to lower costs, fewer risks, and reduced patient inconvenience. In this study we aimed to chart LNB treatment practice in Norway and compare it to these recommendations...
July 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28545419/mild-encephalitis-encephalopathy-with-reversible-splenial-lesion-mers-in-adults-a-case-report-and-literature-review
#6
Junliang Yuan, Shuna Yang, Shuangkun Wang, Wei Qin, Lei Yang, Wenli Hu
BACKGROUND: Mild encephalitis/encephalopathy with reversible splenial lesion (MERS) is a rare clinico-radiological entity characterized by the magnetic resonance imaging (MRI) finding of a reversible lesion in the corpus callosum, sometimes involved the symmetrical white matters. Many cases of child-onset MERS with various causes have been reported. However, adult-onset MERS is relatively rare. The clinical characteristics and pathophysiologiccal mechanisms of adult-onset MERS are not well understood...
May 25, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28469537/rituximab-for-treatment-of-refractory-anti-nmda-receptor-encephalitis-in-a-pediatric-patient
#7
Sarah Hallowell, Esli Tebedge, Margaret Oates, Elizabeth Hand
Anti-N-methyl d-aspartate receptor (anti-NMDAR) encephalitis is a devastating disease that is increasingly being identified in both children and adults with psychosis, language disturbances, behavioral changes, and motor deficits. Currently no consensus guidelines exist for the optimal management of patients with this disease, although intravenous immune globulin (IVIG) therapy is often considered first-line pharmacotherapy. We present a case of an otherwise healthy 4 year-old-child who presented with seizures, loss of age-appropriate language skills, and behavioral changes, in whom anti-NMDAR was subsequently diagnosed...
March 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28457701/primary-care-physician-management-of-tick-bites-in-the-franche-comt%C3%A3-region-eastern-france-2013
#8
C Vandererven, A-P Bellanger, J-F Faucher, P Marguet
INTRODUCTION: Tick bites, which may lead to Lyme disease, often prompt patients to consult their primary care physicians (PCPs). The aim of the present study was to assess how and how often PCPs in the Franche-Comté region of France manage tick bites. MATERIAL AND METHODS: Standardized questionnaires were sent to a random sample of 400 PCPs in the Franche-Comté region, requesting their voluntary and anonymous participation. The questionnaires collected socio-demographic details and practice-related information about tick-bite prophylaxis, Lyme serology, and tick-borne encephalitis vaccination...
April 27, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28417331/use-of-high-dose-oral-valacyclovir-during-an-intravenous-acyclovir-shortage-a-retrospective-analysis-of-tolerability-and-drug-shortage-management
#9
Milena M McLaughlin, Sarah H Sutton, Ashley O Jensen, John S Esterly
INTRODUCTION: In late 2011, a shortage of IV acyclovir led to the need to empirically substitute high-dose oral valacyclovir (HDVA) to conserve IV acyclovir for patients with confirmed herpes simplex virus (HSV) meningitis or encephalitis. This report describes the management of the most recent national IV acyclovir shortage by the Antimicrobial Stewardship Program (ASP) at Northwestern Memorial Hospital (NMH), Chicago, IL, USA, and the use of HDVA. Secondarily, we assessed the safety and tolerability of HDVA as an alternate to IV acyclovir during this shortage...
June 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/28412044/guidelines-on-the-management-of-infectious-encephalitis-in-adults
#10
J P Stahl, P Azouvi, F Bruneel, T De Broucker, X Duval, B Fantin, N Girard, J L Herrmann, J Honnorat, M Lecuit, A Mailles, L Martinez-Almoyna, P Morand, L Piroth, P Tattevin
No abstract text is available yet for this article.
April 12, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28314470/infectious-encephalitis-management-without-etiological-diagnosis-48hours-after-onset
#11
REVIEW
P Fillatre, Y Crabol, P Morand, L Piroth, J Honnorat, J P Stahl, M Lecuit
INTRODUCTION: The etiological diagnosis of infectious encephalitis is often not established 48hours after onset. We aimed to review existing literature data before providing management guidelines. METHOD: We performed a literature search on PubMed using filters such as "since 01/01/2000", "human", "adults", "English or French", and "clinical trial/review/guidelines". We also used the Mesh search terms "encephalitis/therapy" and "encephalitis/diagnosis". RESULTS: With Mesh search terms "encephalitis/therapy" and "encephalitis/diagnosis", we retrieved 223 and 258 articles, respectively...
May 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28194210/recommended-immunization-schedule-for-children-and-adolescents-immunization-guideline-8th-edition-released-by-the-korean-pediatric-society-in-2015
#12
REVIEW
Jong-Hyun Kim, Eun Hwa Choi, Su Eun Park, Yae-Jean Kim, Dae Sun Jo, Yun-Kyung Kim, Byung-Wook Eun, Jina Lee, Soo-Young Lee, Hyunju Lee, Ki Hwan Kim, Kyung-Hyo Kim
This report includes the recommended immunization schedule table for children and adolescents based on the 8th (2015) and revised 7th (2012) Immunization Guidelines released by the Committee on Infectious Diseases of the Korean Pediatric Society (KPS). Notable revised recommendations include: reorganization of the immunization table with a list of vaccines on the vertical axis and the corresponding age on the horizontal axis; reflecting the inclusion of Haemophilus influenzae type b vaccine, pneumococcal conjugate vaccine, and hepatitis A vaccine into the National Immunization Program since 2012; addition of general recommendations for 2 new Japanese encephalitis (JE) vaccines and their interchangeability with existing JE vaccines; addition of general recommendations for quadrivalent meningococcal conjugate vaccines and scope of the recommended targets for vaccination; and emphasizing catch-up immunization of Tdap vaccine...
December 2016: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28154970/differences-in-treatment-of-anti-nmda-receptor-encephalitis-results-of-a-worldwide-survey
#13
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/28114093/-cotard-s-syndrome-case-report-and-a-brief-review-of-literature
#14
REVIEW
N P Moschopoulos, S Kaprinis, J Nimatoudis
The term "Cotard's syndrome" is used to describe a number of clinical features, mostly hypochondriac and nihilistic delusions, the most characteristic of which are the ideas "I am dead" and "my internal organs do not exist". Besides, anxious and depressed mood, delusions of damnation, possession and immortality, suicidal and self-mutilating behavior are included. The first description of the syndrome was made in 1880 by Cotard, who presented the case of a female patient in a lecture. He originally named it "hypochondriac delusion", and some years later "delusion of negations", while it was named "Cotard delusion" after his death...
October 2016: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/28069071/sporadic-cases-of-adult-measles-a-research-article
#15
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/28009765/autoimmune-encephalitides-a-broadening-field-of-treatable-conditions
#16
REVIEW
Bernadette Kalman
BACKGROUND: Neurology has been continuously transforming by the refinement of molecular diagnostics and the development of disease-modifying treatments. The discovery of new antibody markers has elucidated the pathogenesis, provided the means of diagnostics, and offered cure or treatment for several immune-mediated neurological and neuropsychiatric disorders. The identification of pathogenic and marker autoantibodies has also facilitated defining the associated phenotypic spectra and the overlap among the phenotypes linked to individual immune markers...
January 2017: Neurologist
https://www.readbyqxmd.com/read/27872179/anti-n-methyl-d-aspartate-nmda-receptor-encephalitis
#17
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...
February 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/27823946/clinically-mild-encephalitis-encephalopathy-with-a-reversible-splenial-lesion-of-corpus-callosum-in-chinese-children
#18
Qiong Fang, Lang Chen, Qiaobin Chen, Zhi Lin, Fang Yang
OBJECTIVE: To investigate the characteristics and etiology of mild encephalitis/encephalopathy with a reversible splenial lesion (MERS) in Chinese children. METHODS: We collected ten pediatric MERS patients from local hospital and enrolled another nineteen patients by reviewing the available literatures. The information of enrolled patients about clinical features, laboratory data, treatment strategies and prognoses were collected for further analysis. RESULTS: A total of 29 children, the median age of twenty-nine patients was (4...
April 2017: Brain & Development
https://www.readbyqxmd.com/read/27822050/autoimmune-encephalitis-in-psychiatric-institutions-current-perspectives
#19
REVIEW
Chloe Bost, Olivier Pascual, Jérôme Honnorat
Autoimmune encephalitis is a rare and newly described group of diseases involving autoantibodies directed against synaptic and neuronal cell surface antigens. It comprises a wide range of neuropsychiatric symptoms. Sensitive and specific diagnostic tests such as cell-based assay are primordial for the detection of neuronal cell surface antibodies in patients' cerebrospinal fluid or serum and determine the treatment and follow-up of the patients. As neurological symptoms are fairly well described in the literature, this review focuses on the nature of psychiatric symptoms occurring at the onset or during the course of the diseases...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27759344/expanded-dengue
#20
REVIEW
D B Kadam, Sonali Salvi, Ajay Chandanwale
The World Health Organization (WHO) has coined the term expanded dengue to describe cases which do not fall into either dengue shock syndrome or dengue hemorrhagic fever. This has incorporated several atypical findings of dengue. Dengue virus has not been enlisted as a common etiological agent in several conditions like encephalitis, Guillain Barre syndrome. Moreover it is a great mimic of co-existing epidemics like Malaria, Chikungunya and Zika virus disease, which are also mosquito-borne diseases. The atypical manifestations noted in dengue can be mutisystemic and multifacetal...
July 2016: Journal of the Association of Physicians of India
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