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Haley Thompson, Kiran Thakur
PURPOSE OF REVIEW: This review highlights current knowledge in travel-related neuroinfectious diseases, providing insight on approaches to prevention, diagnosis, and treatment of infections of the central nervous system (CNS) in travelers and immigrants. RECENT FINDINGS: Updates on travel vaccine recommendations including vaccine-specific interactions with immunosuppressive agents, advances in Zika virus and dengue virus vaccine development, new diagnostic criteria for neurocysticercosis, updates on treatment approaches for tuberculosis meningitis...
October 3, 2017: Current Infectious Disease Reports
Avindra Nath
No abstract text is available yet for this article.
2017: Frontiers in Neurology
Cydni N Williams, Aileen Kirby, Juan Piantino
Pediatric Neurocritical Care diagnoses account for a large proportion of intensive care admissions. Critical care survivors suffer high rates of long-term morbidity, including physical disability, cognitive impairment, and psychosocial dysfunction. To address these morbidities in Pediatric Neurocritical Care survivors, collaboration between Pediatric Neurology and Pediatric Critical Care created a multidisciplinary follow-up clinic providing specialized evaluations after discharge. Clinic referrals apply to all Pediatric Neurocritical Care patients regardless of admission severity of illness...
September 19, 2017: Children
Laura Truchet, Julia Walland, Daniel Wüthrich, Céline L Boujon, Horst Posthaus, Rémy Bruggmann, Gertraud Schüpbach-Regula, Anna Oevermann, Torsten Seuberlich
Neuroinfectious diseases in livestock represent a severe threat to animal health, but their prevalence is not well documented and the etiology of disease often remains unidentified. The aims of this study were to generate baseline data on the prevalence of neuroinfectious diseases in cattle in Switzerland by neuropathological survey, and to identify disease-associated pathogens. The survey was performed over a 1-year period using a representative number of brainstem samples (n=1816) from fallen cattle. In total, 4% (n=73) of the animals had significant lesions, the most frequent types of which were indicative of viral (n=27) and bacterial (n=31) etiologies...
September 2017: Veterinary Microbiology
Anne Ahrens Østergaard, Thomas Vognbjerg Sydenham, Mads Nybo, Åse Bengård Andersen
BACKGROUND: Lumbar puncture with quantification of leukocytes and differential count of cellular subsets in the cerebrospinal fluid is a standard procedure in cases of suspected neuroinfectious conditions. However, a number of non-infectious causes may result in a low leukocyte number (0-1000 cells/ml). We wanted to assess the diagnostic diversity of unselected adult patients with pleocytosis in the cerebrospinal fluid. METHODS: The study is based on data from cerebrospinal fluid (CSF) analyses of all adult patients (15 years or older) admitted to a large university hospital in Denmark during a two-year period (2008-2009)...
2017: BMC Clinical Pathology
R Zorec, V Parpura, A Verkhratsky
Intracellular organelles, including secretory vesicles, emerged when eukaryotic cells evolved some 3 billion years ago. The primordial organelles that evolved in Archaea were similar to endolysosomes, which developed, arguably, for specific metabolic tasks, including uptake, metabolic processing, storage and disposal of molecules. In comparison with prokaryotes, cell volume of eukaryotes increased by several orders of magnitude and vesicle traffic emerged to allow for communication between distant intracellular locations...
February 2018: Acta Physiologica
Robyn S Klein, Charise Garber, Nicole Howard
Inflammation is emerging as a critical mechanism underlying neurological disorders of various etiologies, yet its role in altering brain function as a consequence of neuroinfectious disease remains unclear. Although acute alterations in mental status due to inflammation are a hallmark of central nervous system (CNS) infections with neurotropic pathogens, post-infectious neurologic dysfunction has traditionally been attributed to irreversible damage caused by the pathogens themselves. More recently, studies indicate that pathogen eradication within the CNS may require immune responses that interfere with neural cell function and communication without affecting their survival...
February 2017: Nature Immunology
Yohannes W Woldeamanuel, Adel T Andemeskel, Kwame Kyei, Meheret W Woldeamanuel, Woubishet Woldeamanuel
INTRODUCTION: Tetanus is a continued public health neuroinfectious burden in Africa; it accounts for significant proportion of lengthy intensive care unit (ICU) and hospital admissions. OBJECTIVES: This study aimed to describe the pooled case-fatality rates of adult tetanus at African hospitals along with relevant discussions and recommendations. METHODS: A systematic review using advanced search strategies employing PubMed/MEDLINE and Web of Science inclusive of gray literature handsearch was conducted for facility-based studies on adult tetanus by combining the terms "tetanus", "Africa" spanning all previous years until January 15, 2016...
September 15, 2016: Journal of the Neurological Sciences
Alejandra N Martinez, Mario T Philipp
This review addresses the role that substance P (SP) and its preferred receptor neurokinin-1 (NK1R) play in neuroinflammation associated with select bacterial, viral, parasitic, and neurodegenerative diseases of the central nervous system. The SP/NK1R complex is a key player in the interaction between the immune and nervous systems. A common effect of this interaction is inflammation. For this reason and because of the predominance in the human brain of the NK1R, its antagonists are attractive potential therapeutic agents...
2016: Journal of Neurology & Neuromedicine
Shila Azodi, Steven Jacobson
Cytokines are a heterogeneous group of glycoproteins that coordinate physiological functions. Cytokine deregulation is observed in many neurological diseases. This article reviews current research focused on human clinical trials of cytokine and anticytokine therapies in the treatment of several neurological disease including stroke, neuromuscular diseases, neuroinfectious diseases, demyelinating diseases, and neurobehavioral diseases. This research suggests that cytokine therapy applications may play an important role in offering new strategies for disease modulation and treatment...
July 2016: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
Emily C Leibovitch, Steven Jacobson
Vaccines for neuroinfectious diseases are becoming an ever-increasing global health priority, as neurologic manifestations and sequelae from existing and emerging central nervous system infections account for significant worldwide morbidity and mortality. The prevention of neurotropic infections can be achieved through globally coordinated vaccination campaigns, which have successfully eradicated nonzoonotic agents such as the variola viruses and, hopefully soon, poliovirus. This review discusses vaccines that are currently available or under development for zoonotic flaviviruses and alphaviruses, including Japanese and tick-borne encephalitis, yellow fever, West Nile, dengue, Zika, encephalitic equine viruses, and chikungunya...
July 2016: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
Aaron F Struck, M Brandon Westover, Lance T Hall, Gina M Deck, Andrew J Cole, Eric S Rosenthal
BACKGROUND: Ictal-interictal continuum (IIC) continuous EEG (cEEG) patterns including periodic discharges and rhythmic delta activity are associated with poor outcome and in the appropriate clinical context, IIC patterns may represent "electroclinical" status epilepticus (SE). To clarify the significance of IIC patterns and their relationship to "electrographic" SE, we investigated FDG-PET imaging as a complementary metabolic biomarker of SE among patients with IIC patterns...
June 2016: Neurocritical Care
Nathalie Strazielle, Rita Creidy, Christophe Malcus, José Boucraut, Jean-François Ghersi-Egea
An emerging concept of normal brain immune surveillance proposes that recently and moderately activated central memory T lymphocytes enter the central nervous system (CNS) directly into the cerebrospinal fluid (CSF) via the choroid plexus. Within the CSF space, T cells inspect the CNS environment for cognate antigens. This gate of entry into the CNS could also prevail at the initial stage of neuroinflammatory processes. To actually demonstrate T cell migration across the choroidal epithelium forming the blood-CSF barrier, an in vitro model of the rat blood-CSF barrier was established in an "inverse" configuration that enables cell transmigration studies in the basolateral to apical, i...
2016: PloS One
Herbert I Fried, Barnett R Nathan, A Shaun Rowe, Joseph M Zabramski, Norberto Andaluz, Adarsh Bhimraj, Mary McKenna Guanci, David B Seder, Jeffrey M Singh
External ventricular drains (EVDs) are commonly placed to monitor intracranial pressure and manage acute hydrocephalus in patients with a variety of intracranial pathologies. The indications for EVD insertion and their efficacy in the management of these various conditions have been previously addressed in guidelines published by the Brain Trauma Foundation, American Heart Association and combined committees of the American Association of Neurological Surgeons and the Congress of Neurological Surgeons. While it is well recognized that placement of an EVD may be a lifesaving intervention, the benefits can be offset by procedural and catheter-related complications, such as hemorrhage along the catheter tract, catheter malposition, and CSF infection...
February 2016: Neurocritical Care
Gregory L Barkley
Accurate coding is an important function of neurologic practice. This contribution to Continuum is part of an ongoing series that presents helpful coding information along with examples related to the issue topic. Tips for diagnosis coding, Evaluation and Management coding, procedure coding, or a combination are presented, depending on which is most applicable to the subject area of the issue.
December 2015: Continuum: Lifelong Learning in Neurology
Kiran Thakur, Joseph Zunt
PURPOSE OF REVIEW: This article discusses the assessment of the patient presenting with neurologic symptoms who has lived in or traveled through tropical or subtropical regions and reviews selected nervous system infections prevalent in the tropics and subtropics, with discussion of the epidemiology, clinical features, recommended diagnostic testing, and management. RECENT FINDINGS: Increasing travel, emigration, and population growth all facilitate the global spread of tropical neurologic infections...
December 2015: Continuum: Lifelong Learning in Neurology
Michael D Geschwind
PURPOSE OF REVIEW: This article presents an update on the clinical aspects of human prion disease, including the wide spectrum of their presentations. RECENT FINDINGS: Prion diseases, a group of disorders caused by abnormally shaped proteins called prions, occur in sporadic (Jakob-Creutzfeldt disease), genetic (genetic Jakob-Creutzfeldt disease, Gerstmann-Sträussler-Scheinker syndrome, and fatal familial insomnia), and acquired (kuru, variant Jakob-Creutzfeldt disease, and iatrogenic Jakob-Creutzfeldt disease) forms...
December 2015: Continuum: Lifelong Learning in Neurology
Sarah McGlasson, Alexa Jury, Andrew Jackson, David Hunt
Type I interferon is an essential component of the brain's innate immune defence, conferring protection against viral infection. Recently, dysregulation of the type I interferon pathway has been implicated in the pathogenesis of a spectrum of neuroinfectious and neuroinflammatory disorders. Underactivity of the type I interferon response is associated with a predisposition to herpes simplex encephalitis. Conversely, a group of 'interferonopathic' disorders, characterized by severe neuroinflammation and overactivity of type I interferon, has been described...
September 2015: Nature Reviews. Neurology
Paulo Emílio Corrêa Leite, Mariana Rodrigues Pereira, José Mauro Granjeiro
Nanostructured materials are widely used in many applications of industry and biomedical fields. Nanoparticles emerges as potential pharmacological carriers that can be applied in the regenerative medicine, diagnosis and drug delivery. Different types of nanoparticles exhibit ability to cross the brain blood barrier (BBB) and accumulate in several brain areas. Then, efforts have been done to develop safer nanocarrier systems to treat disorders of central nervous system (CNS). However, several in vitro and in vivo studies demonstrated that nanoparticles of different materials exhibit a wide range of neurotoxic effects inducing neuroinflammation and cognitive impairment...
October 2015: Toxicology in Vitro: An International Journal Published in Association with BIBRA
A Spreer, R Nau
Cerebrospinal fluid analysis is of prime importance to establish an early diagnosis of central nervous system infections. Beside the basic diagnostics containing CSF white cell count, lactate concentration and protein analysis, the targeted search for agents of bacterial, viral or fungal CNS infectious diseases is essential. Decisive methods are bacterial and fungal staining techniques, microbiological culture methods, nucleic acid amplification and antigen detection methods or indirect identification of pathogens by serologic testings including the determination of pathogen-specific intrathecal immunoglobulin synthesis...
February 2015: Fortschritte der Neurologie-Psychiatrie
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