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Herpes encephalitis

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https://www.readbyqxmd.com/read/28806629/aseptic-meningitis-in-adults-and-children-diagnostic-and-management-challenges
#1
Bhavarth Shukla, Elizabeth A Aguilera, Lucrecia Salazar, Susan H Wootton, Quanhathai Kaewpoowat, Rodrigo Hasbun
BACKGROUND: Aseptic meningitis represents a common diagnostic and management dilemma to clinicians. OBJECTIVES: To compare the clinical epidemiology, diagnostic evaluations, management, and outcomes between adults and children with aseptic meningitis. STUDY DESIGN: We conducted a retrospective study from January 2005 through September 2010 at 9 Memorial Hermann Hospitals in Houston, TX. Patients age≥2months who presented with community-acquired aseptic meningitis with a CSF white blood cell count >5cells/mm(3) and a negative Gram stain and cultures were enrolled...
August 4, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28801087/cause-of-acute-encephalitis-encephalopathy-in-japanese-children-diagnosed-by-a-rapid-and-comprehensive-virological-detection-system-and-differences-in-their-clinical-presentations
#2
Kei Takasawa, Ryuichi Nakagawa, Shigeru Takishima, Kengo Moriyama, Ken Watanabe, Koji Kiyohara, Takeshi Hasegawa, Masahiro Shimohira, Kenichi Kashimada, Norio Shimizu, Tomohiro Morio
BACKGROUND: Acute encephalitis/encephalopathy (AE/E) is a rare and severe complication of common childhood infections; however, a treatment strategy based on clinical and pathological evidence has not been established. METHODS: The clinical data and aetiological results using a rapid and comprehensive virological detection system of 62 Japanese children diagnosed with AE/E from 2010 to 2014 were collected. We assessed clinical differences between causes and effectiveness of our multiplex PCR system to establish a pathogen-based treatment strategy for AE/E...
August 8, 2017: Brain & Development
https://www.readbyqxmd.com/read/28765478/valacyclovir-associated-neurotoxicity-treated-with-intensification-of-peritoneal-dialysis
#3
Bhanu Prasad, Mark McIsaac, Julie Toppings
We report a 57-year-old woman with end-stage renal disease (ESRD) on maintenance peritoneal dialysis (PD), who presented to the emergency room (ER) by ambulance with complaints of confusion and altered sensorium for 48 hours. She had been reviewed in a walk-in clinic 72 hours earlier and had been prescribed the standard 1000 mg three times per day of valacyclovir for an acute attack of shingles instead of 500 mg once a day on ESRD. In the ER, she received further 500 mg of intravenous acyclovir as herpes encephalitis was clinically suspected...
July 31, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28765170/herpes-simplex-virus-type-1-and-alzheimer-s-disease-possible-mechanisms-and-signposts
#4
REVIEW
Ruth F Itzhaki
Support for the concept that herpes simplex virus type 1 (HSV1), when present in the brains of apolipoprotein E-ε4 carriers, is a major risk for Alzheimer's disease (AD) is increasing steadily, with over 120 publications providing direct or indirect evidence relevant to the hypothesis. No articles have contested the concept, apart from 3 published 13-18 yr ago. This review describes very recent studies on the role of HSV1 but refers also to older studies that provide background for some lesser-known related topics not covered in other recent reviews; these include the relevance of herpes simplex encephalitis and of epilepsy to AD, the action of IFN, and the possible relevance of the different types of DNA damage to AD-in particular, those caused by HSV1-and mechanisms of repair of damage...
August 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28756983/morphological-characteristics-of-fatal-pediatric-hand-foot-and-mouth-disease-a-clinicopathological-study-with-related-receptors-of-ev71
#5
Yong-Yao Gu, Ke Shi, Sha Yao, Xia Yang, Yu-Hui Liu, Lan Tang, Yi-Wu Dang, Gang Chen, Zhen-Bo Feng, Hong-Bo Pan
OBJECTIVE: To investigate the pathological features of fatal pediatric hand foot and mouth disease (HFMD). METHODS: The histopathological features of HFMD were first summarized from literature, and then confirmed by in-house autopsies. Furthermore, immunohistochemistry was conducted to detect the distribution and expression level of two enterovirus 71 (EV71) receptors scavenger receptor class B, member 2 (SCARB2), and P-selectin glycoprotein ligand-1 (PSGL1) in the samples of autopsies...
July 6, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28750305/progressive-hippocampal-sclerosis-after-viral-encephalitis-potential-role-of-nmda-receptor-antibodies
#6
Stoyan Popkirov, Fatme Seval Ismail, Wenke Grönheit, Monika Kapauer, Jörg Wellmer, Christian G Bien
PURPOSE: Survivors of viral encephalitis can develop refractory epilepsy and hippocampal sclerosis. Both the initial infectious insult and the secondary effects of recurrent seizures have been implicated in chronic disease progression. Recently, post-infectious autoimmunity, involved in acute relapses, has also been proposed as a pathomechanism for chronic disease progression. Our case series suggests a potential role of antibodies against the N-methyl-d-aspartate receptor (NMDAR) in chronic inflammatory disease beyond acute manifestations...
July 19, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28730326/infectious-diseases-causing-autonomic-dysfunction
#7
REVIEW
Francisco Javier Carod Artal
OBJECTIVES: To review infectious diseases that may cause autonomic dysfunction. METHODS: Review of published papers indexed in medline/embase. RESULTS: Autonomic dysfunction has been reported in retrovirus (human immunodeficiency virus (HIV), human T-lymphotropic virus), herpes viruses, flavivirus, enterovirus 71 and lyssavirus infections. Autonomic dysfunction is relatively common in HIV-infected patients and heart rate variability is reduced even in early stages of infection...
July 20, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28726789/predominant-area-of-brain-lesions-in-neonates-with-herpes-simplex-encephalitis
#8
H Kidokoro, L S de Vries, C Ogawa, Y Ito, A Ohno, F Groenendaal, S Saitoh, A Okumura, Y Ito, J Natsume
OBJECTIVE: Nonspecific manifestations and a varied distribution of brain lesions can delay the diagnosis of herpes simplex encephalitis (HSE) in neonates. The aim of this study was to report predominant brain lesions in neonatal HSE, and then to investigate the association between pattern of predominant brain lesions, clinical variables and neurodevelopmental outcome. STUDY DESIGN: A multicenter retrospective study was performed in neonates diagnosed with HSE between 2009 and 2014...
July 20, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28711084/herpes-zoster-in-psoriasis-patients-treated-with-tofacitinib
#9
Kevin L Winthrop, Mark Lebwohl, Arnon D Cohen, Jeffrey M Weinberg, Stephen K Tyring, Scott T Rottinghaus, Pankaj Gupta, Kaori Ito, Huaming Tan, Mandeep Kaur, Alexander Egeberg, Lotus Mallbris, Hernan Valdez
BACKGROUND: Tofacitinib is an oral Janus kinase (JAK) inhibitor. Immunomodulatory therapies can increase the risk for herpes zoster (HZ) in patients with psoriasis. OBJECTIVE: To evaluate the relationship between tofacitinib use and HZ risk. METHODS: We used phases 2 and 3 and long-term extension (LTE) data from the tofacitinib development program in psoriasis to calculate HZ incidence rates (IR; events per 100 patient-years); potential HZ risk factors were evaluated using Cox-proportional hazard models...
August 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28705180/etiology-and-prognosis-of-acute-viral-encephalitis-and-meningitis-in-chinese-children-a-multicentre-prospective-study
#10
Junhong Ai, Zhengde Xie, Gang Liu, Zongbo Chen, Yong Yang, Yuning Li, Jing Chen, Guo Zheng, Kunling Shen
BACKGROUND: In China, there were few studies about the pathogens of acute viral encephalitis and meningitis in children in recent years. The aims of this study were to characterize the etiology and prognosis of acute viral encephalitis and meningitis in Chinese children. METHODS: This was a multicentre prospective study. Two hundred and sixty one viral encephalitis patients and 285 viral meningitis patients were enrolled. The mean age of viral encephalitis and meningitis were 5...
July 14, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28698721/is-herpes-simplex-virus-hsv-a-sign-of-encephalitis-in-iranian-newborns-prevalence-of-hsv-infection-in-pregnant-women-in-iran-a-systematic-review-and-meta-analysis
#11
REVIEW
Masoumeh Arabsalmani, Meysam Behzadifar, Hamid Reza Baradaranmd, Mansoureh Toghae, Gholam Beyranvand, Alireza Olyaeemanesh, Masoud Behzadifar
OBJECTIVE: Herpes Simplex virus (HSV) is one of the most common sexually transmitted diseases in the world. This study aimed to determine the prevalence of herpes simplex virus in pregnant women in Iran. MATERIALS & METHODS: A systematic literature review was conducted to study the HSV subtypes in Persian and English papers through several databases. We searched Pub Med, Scopus, Ovid, Science Direct and national databases as Magiran, Iranmedex and Science Information Database (SID) up to October 2015...
2017: Iranian Journal of Child Neurology
https://www.readbyqxmd.com/read/28697163/utility-of-lumbar-puncture-in-children-presenting-with-status-epilepticus
#12
Kenneth A Michelson, Todd W Lyons, Kara B Johnson, Lise E Nigrovic, Marvin B Harper, Amir A Kimia
OBJECTIVES: Because meningitis may trigger seizures, we sought to determine its frequency in children with first-time status epilepticus (SE). METHODS: We performed a retrospective cross-sectional study of children aged 1 month to 21 years who presented to a single pediatric emergency department between 1995 and 2012 with SE and who had a lumbar puncture (LP) performed as part of the diagnostic evaluation. We defined bacterial meningitis as a cerebrospinal fluid (CSF) culture positive for a bacterial pathogen or CSF pleocytosis (CSF white blood cells ≥10 cells/mm) with a blood culture positive for a bacterial pathogen...
August 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28693588/cxcl11-production-in-cerebrospinal-fluid-distinguishes-herpes-simplex-meningitis-from-herpes-simplex-encephalitis
#13
Liza Lind, Marie Studahl, Linn Persson Berg, Kristina Eriksson
BACKGROUND: The closely related herpes simplex viruses 1 and 2 can cause inflammations of the central nervous system (CNS), where type 1 most often manifest as encephalitis (HSE), and type 2 as meningitis (HSM). HSE is associated with severe neurological complications, while HSM is benign in adults. We proposed that studying the chemokine and cytokine production in cerebrospinal fluid (CSF) and serum could indicate why two closely related viruses exhibit different severity of their accompanied CNS inflammation...
July 10, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28680648/treating-refractory-post-herpetic-anti-n-methyl-d-aspartate-receptor-encephalitis-with-rituximab
#14
Christine Strippel, Constanze Mönig, Kristin S Golombeck, Andre Dik, Kathrin Bönte, Stjepana Kovac, Andreas Schulte-Mecklenbeck, Heinz Wiendl, Sven G Meuth, Andreas Johnen, Catharina C Gross, Nico Melzer
Herpes simplex virus-1 has been identified as the trigger factor in certain cases of NMDA-receptor autoimmune encephalitis. We report on a 67-year-old female patient, who was severely affected by post-herpetic NMDA-receptor autoimmune encephalitis. Her symptoms did not improve under methylprednisolone pulse therapy and plasma exchange under acyclovir prophylaxis. She received protein A immunoadsorption and a long-term immunosuppression with rituximab. Under treatment, activated T-cells as well as B- and plasma cells decreased in peripheral blood and cerebrospinal fluid, and anti-NMDA-R IgG titers in serum and cerebrospinal fluid declined with near complete cessation of intrathecal autoantibody synthesis...
July 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28680463/diagnosis-and-treatment-of-herpes-simplex-1-virus-infection-in-pregnancy
#15
REVIEW
Rachel Lee, Manju Nair
A nulliparous woman presented at 21 weeks' gestation with a 72-h history of a rash on her left arm. Initially isolated to the forearm, it had quickly spread, becoming multiple itchy fluid-filled blisters. Blood tests showed mild neutrophilia and raised CRP. Skin swabs demonstrated the presence of herpes simplex virus type 1 (HSV1) DNA. There was no history of previous HSV1 exposure. There is scant literature on uncomplicated cutaneous HSV1 since the majority is oral/genital. The incidence of transmission varies and is dependent on site of infection and immunological status...
June 2017: Obstetric Medicine
https://www.readbyqxmd.com/read/28664352/erratum-to-acyclovir-resistance-in-herpes-simplex-virus-type-i-encephalitis-a-case-report
#16
M Bergmann, R Beer, M Kofler, R Helbok, B Pfausler, E Schmutzhard
No abstract text is available yet for this article.
August 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28645309/herpes-simplex-virus-1-infects-the-olfactory-bulb-shortly-following-ocular-infection-and-exhibits-a-long-term-inflammatory-profile-in-the-form-of-effector-and-hsv-1-specific-t-cells
#17
Chandra M Menendez, Daniel J J Carr
BACKGROUND: Herpes simplex virus 1 (HSV-1) infection can result in a life-threatening condition known as herpes simplex encephalitis (HSE). Trafficking patterns by which the virus reaches the central nervous system (CNS) following ocular infection are unresolved. We evaluated early viral dissemination pathways following ocular infection that involve trafficking to the olfactory bulb (OB). Additionally, we have characterized the capacity of HSV-1 to establish latency within OB tissue and profiled the local T lymphocyte response over the course of the acute infection into latency...
June 23, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28637937/herpes-simplex-encephalitis-presenting-as-stroke-like-symptoms-with-atypical-mri-findings-and-lacking-cerebrospinal-fluid-pleocytosis
#18
Shintaro Tsuboguchi, Takahiro Wakasugi, Yoshitaka Umeda, Maiko Umeda, Mutsuo Oyake, Nobuya Fujita
A 73-year-old woman presented with sudden onset of right hemiparesis and was diagnosed as having cerebral infarction on the basis of diffusion-weighted brain MRI, which demonstrated lesions in the left parietal cortex. On the 3rd day, the patient developed right upper limb myoclonus, aphasia, and disturbance of consciousness with high fever. On the 6th day, she was transferred to our hospital with suspected viral encephalitis, and treatment with acyclovir was started. By the 6th day, the lesions detected by MRI had expanded to the gyrus cinguli, insula and thalamus, but not to the temporal lobe...
June 21, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28637763/analysis-of-herpes-simplex-virus-reactivation-in-explant-reveals-a-method-dependent-difference-in-measured-timing-of-reactivation
#19
Jessica R Doll, Nancy M Sawtell
Herpes simplex virus (HSV) infection is widespread in the human population. Following orofacial infection, HSV establishes latency in innervating sensory neurons, primarily located in the trigeminal ganglia. A central feature of HSV pathogenesis is the ability to periodically reactivate in those neurons and be transported back to the body surface. Both transmission and disease, such as keratitis, encephalitis, and neurodegeneration, have been linked to reactivation. Despite invaluable insights obtained from model systems, interactions between viral and host functions that regulate reactivation are still incompletely understood...
August 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28636287/the-spectrum-of-aseptic-central-nervous-system-infections-in-southern-germany-demographic-clinical-and-laboratory-findings
#20
M Kaminski, V Grummel, D Hoffmann, A Berthele, B Hemmer
BACKGROUND AND PURPOSE: Aseptic infections of the central nervous system (CNS) are frequently observed in Germany. However, no study has systematically addressed the spectrum of aseptic CNS infections in Germany. METHODS: Data on 191 adult patients diagnosed from January 2007 to December 2014 with aseptic meningitis or encephalitis/meningoencephalitis at our hospital were collected by chart review and analyzed for demographic, clinical and laboratory findings. Patients were stratified according to the causative virus and findings were compared between groups...
June 21, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
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