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acute encephalitis

Jasmine Porwal, Ajay Chauhan
Dengue infection accompanied by unusual complications and manifestations has been described before. Here we report a case of dengue encephalitis who was IgM positive for dengue serology and had presented to us with only motor weakness after an acute febrile episode. Dengue presenting as encephalitis is in itself a very rare feature and that too, pure motor weakness has hardly ever been reported before.
August 2016: Journal of the Association of Physicians of India
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
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
Alice Lejeune, Luise Martin, Sabine Santibanez, Stephanie Thee, Alexander Gratopp, Peter Späth, Annette Mankertz, Tilmann Kallinich, Horst von Bernuth
Most non-immune individuals exposed to the highly contagious measles virus will develop measles. Complications, such as encephalitis and bacterial infections due to measles virus-induced immunomodulation, account for an acute mortality rate of approximately 0.1% (1). It has been calculated that measles-related immunomodulation may last for several years and may contribute to child mortality on a larger scale than acute measles-related mortality (2). Since humans provide the only host for the virus, and an efficient vaccine is available, it is possible to eliminate measles...
October 17, 2016: Acta Paediatrica
David H Kingsley
Viruses rapidly evolve and can emerge in unpredictable ways. Transmission pathways by which foodborne viruses may enter human populations and evolutionary mechanisms by which viruses can become virulent are discussed in this chapter. A majority of viruses emerge from zoonotic animal reservoirs, often by adapting and infecting intermediate hosts, such as domestic animals and livestock. Viruses that are known foodborne threats include hepatitis E virus, tick-borne encephalitis virus, enteroviruses, adenovirus, and astroviruses, among others...
August 2016: Microbiology Spectrum
Sourish Ghosh, Anirban Basu
No abstract text is available yet for this article.
September 2016: Annals of Neurosciences
Aleš Chrdle, Vaclav Chmelik, Daniel Ruzek
Tick-borne encephalitis (TBE) is an acute febrile illness with neurological manifestations that is prevalent in forested areas of moderate climate in Europe and Asia. TBE virus is transmitted by ticks and rarely by unpasteurized milk and dairy products. The disease burden is attributed mainly to resulting long-term disability, especially in individuals over 50 years of age. Currently, there is no causative treatment, but a very effective vaccination is available with a good safety profile. The vaccination requires three basic doses to be fully effective and regular boosters afterwards...
August 15, 2016: Human Vaccines & Immunotherapeutics
Chan Hong Jeon
Relapsing polychondritis (RP) is an autoimmune disorder characterized by inflammation in cartilaginous structures including the ears, noses, peripheral joints, and tracheobronchial tree. It rarely involves the central nervous system (CNS) but diagnosis of CNS complication of RP is challenging because it can present with varying clinical features. Herein we report 3 cases of relapsing polychondritis involving CNS with distinct manifestations and clinical courses. The first patient presented with rhombencephalitis resulting in brain edema and death...
November 2016: Journal of Korean Medical Science
Kantha Medepalli, Cody M Lee, Lauryn A Benninger, Jean M Elwing
OBJECTIVE: Anti-N-methyl-d-aspartate receptor encephalitis is a rare but emerging cause of autoimmune encephalitis. Our objective is to present a case of this rare disease while highlighting the importance of an aggressive search for underlying malignancy as well as the common mischaracterization of primary psychiatric illness that occurs in these patients. METHODS: A young Caucasian female with no known psychiatric history presented with acute onset of seizures and psychosis...
2016: SAGE Open Med Case Rep
Chunkui Zhou, Lijun Zhu, Shaokuan Fang
Herpes simplex virus (HSV) is the most common cause of acute viral encephalitis. Acute retinal necrosis (ARN) is a rapidly progressing and potentially blinding eye disease that may be induced by HSV. The present case study reports the very rare case of a patient with herpes simplex encephalitis (HSE) combined with acute retinal necrosis (ARN). A 47-year-old woman was admitted to hospital with persistent high fever and somnolence for 5 days. Magnetic resonance imaging showed abnormal signals in the right medial temporal lobes, and HSV-1 was identified in the serum and cerebrospinal fluid...
October 2016: Experimental and Therapeutic Medicine
Raffaella Greco, Lara Crucitti, Maddalena Noviello, Sara Racca, Daniele Mannina, Alessandra Forcina, Francesca Lorentino, Veronica Valtolina, Serena Rolla, Roee Dvir, Mara Morelli, Fabio Giglio, Maria Chiara Barbanti, Maria Teresa Lupo Stanghellini, Chiara Oltolini, Luca Vago, Paolo Scarpellini, Andrea Assanelli, Matteo G Carrabba, Sarah Marktel, Massimo Bernardi, Consuelo Corti, Massimo Clementi, Jacopo Peccatori, Chiara Bonini, Fabio Ciceri
Human herpesvirus 6 (HHV-6) is increasingly recognized as a potentially life-threatening pathogen in allogeneic hematopoietic stem cell transplantation (alloSCT). We retrospectively evaluated 54 adult patients who developed positivity to HHV-6 after alloSCT. The median time from alloSCT to HHV-6 reactivation was 34 days. HHV-6 was present in plasma samples from 31 patients, in bone marrow (BM) of 9 patients, in bronchoalveolar lavage fluid and liver or gut biopsy specimens from 33 patients, and in cerebrospinal fluid of 7 patients...
September 30, 2016: Biology of Blood and Marrow Transplantation
Zachary M Parker, Tracy Jo Pasieka, George A Parker, David A Leib
: The interferon (IFN) response to viral pathogens is critical for host survival. In humans and mouse models, defects in IFN responses can result in lethal herpes simplex type-1 (HSV-1) infections, usually from encephalitis. Although rare, HSV-1 can also cause fulminant hepatic failure which is often fatal. While herpes simplex encephalitis has been extensively studied, HSV-1 generalized infections and subsequent acute liver failure are less well understood. We previously demonstrated that IFNαβγR(-/-) mice are exquisitely susceptible to liver infection following corneal infection with HSV-1...
September 28, 2016: Journal of Virology
Jacob Peacock, Idris Amin, Syed Ahmed
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
Zi Li, Wenqi He, Yungang Lan, Kui Zhao, Xiaoling Lv, Huijun Lu, Ning Ding, Jing Zhang, Junchao Shi, Changjian Shan, Feng Gao
An acute outbreak of porcine hemagglutinating encephalomyelitis virus (PHEV) infection in piglets, characterized with neurological symptoms, vomiting, diarrhea, and wasting, occurred in China. Coronavirus-like particles were observed in the homogenized tissue suspensions of the brain of dead piglets by electron microscopy, and a wild PHEV strain was isolated, characterized, and designated as PHEV-CC14. Histopathologic examinations of the dead piglets showed characteristics of non-suppurative encephalitis, and some neurons in the cerebral cortex were degenerated and necrotic, and neuronophagia...
2016: PeerJ
Chikako Kaneko, Norshalena Shakespear, Mario Tuchiya, Jin Kubo, Teiji Yamamoto, Soichi Katayama, Yukitoshi Takahashi
Five consecutive cases of anti-NMDA-receptor encephalitis that we encountered were marked by a rapidly fluctuating level of consciousness associated with psychotic and delirious mental states. Opisthotonus, catatonia, and rhythmic and non-rhythmic involuntary movements of the mouth and jaw were also characteristic features of these particular cases. Serious and potentially fatal problems included epilepsia partialis continua, partial and generalized seizures, and respiratory depression, resembling the symptoms of encephalitis lethargica...
September 2016: Brain and Nerve, Shinkei Kenkyū No Shinpo
Yuri Nakamura, Kei-Ichiro Takase, Takuya Matsushita, Satoshi Yoshimura, Ryo Yamasaki, Hiroyuki Murai, Kazufumi Kikuchi, Jun-Ichi Kira
A 34-year-old man presented with an acute onset of upbeat nystagmus, slurred speech, and limb and truncal ataxias. The patient had a history of limb ataxia and gait disturbance previously treated as brainstem encephalitis with corticosteroids 3 years previously. Brain magnetic resonance imaging showed pontine developmental venous anomaly (DVA) and hemorrhagic infarction within the drainage territory of the DVA. Three months later, the patient exhibited recurrent limb ataxia, double vision, and numbness of the left side of the body...
September 19, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Željko Milovac, Marija Santini, Sandra Vuk Pisk, Sandra Caratan, Vladimir Grošić, Igor Filipčić
No abstract text is available yet for this article.
September 2016: Psychiatria Danubina
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
Michael R Wilson, Lara L Zimmermann, Emily D Crawford, Hannah A Sample, Priya Soni, Amira Baker, Lillian M Khan, Joseph L DeRisi
Solid organ transplant patients are vulnerable to suffering neurologic complications from a wide array of viral infections and can be sentinels in the population who are first to get serious complications from emerging infections like the recent waves of arboviruses, including West Nile virus, Chikungunya virus, Zika virus, and Dengue virus. The diverse and rapidly changing landscape of possible causes of viral encephalitis poses great challenges for traditional candidate-based infectious disease diagnostics that already fail to identify a causative pathogen in approximately 50% of encephalitis cases...
September 20, 2016: American Journal of Transplantation
Amanda L Piquet, Jennifer L Lyons
The clinician who is evaluating a patient with a suspected central nervous system infection often faces a large differential diagnosis. There are several signs, symptoms, geographical clues, and diagnostic testing, such as cerebrospinal fluid abnormalities and magnetic resonance imaging abnormalities, which can be helpful in identifying the etiological agent. By taking a systematic approach, one can often identify life-threatening, common, and/or treatable etiologies. Here the authors describe some of the pearls and pitfalls in diagnosing and treating acute infectious meningitis and encephalitis...
August 2016: Seminars in Neurology
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