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Acute ataxia

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https://www.readbyqxmd.com/read/28515935/methotrexate-encephalopathy-two-cases-in-adult-cancer-patients-who-recovered-with-pathophysiologically-based-therapy
#1
Shodeinde A Coker, David A Pastel, Melissa C Davis, Elizabeth M Bengtson, Camilo E Fadul, Lionel D Lewis
BACKGROUND/OBJECTIVES: Neurotoxicity is a serious and sometimes fatal adverse effect that can occur following methotrexate treatment. We describe two adult patients with hematological malignancies with methotrexate encephalopathy who recovered with dextromethorphan therapy. RESULTS: Case 1: A 24-year-old male with acute lymphoblastic leukemia developed the acute onset of bilateral facial weakness and slurred speech after his first treatment with high-dose intravenous methotrexate...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28500261/osmotic-demyelination-syndrome-in-type-1-diabetes-in-the-absence-of-dyselectrolytaemia-an-overlooked-complication
#2
Chandramohan Sharma, Banshi Lal Kumawat, Maulik Panchal, Mohit Shah
Central pontine myelinolysis (CPM) is a demyelinating disorder of central nervous system which involves central portion of the pons and sometimes extrapontine areas also. It is commonly reported in settings of hyponatraemia or its rapid correction, but in the last few years it has also been reported in patients with diabetes in the absence of electrolyte disturbances or correction of serum osmolality. Here we report a case of a 20-year-old female patient, with a known history of type 1 diabetes mellitus, who presented with acute onset spastic quadriparesis with dysarthria and mild ataxia which evolved over 2 weeks...
May 12, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28484839/plasma-exchanges-for-severe-acute-neurological-deterioration-in-patients-with-igm-anti-myelin-associated-glycoprotein-anti-mag-neuropathy
#3
M Baron, P Lozeron, S Harel, D Bengoufa, M Vignon, B Asli, M Malphettes, N Parquet, A Brignier, J P Fermand, N Kubis, Bertrand Arnulf
Monoclonal IgM anti-myelin-associated glycoprotein (MAG) antibody-related peripheral neuropathy (anti-MAG neuropathy) is predominantly a demyelinating sensory neuropathy with ataxia and distal paresthesia. The clinical course of anti-MAG neuropathy is usually slowly progressive making difficult the identification of clear criteria to start a specific treatment. Although no consensus treatment is yet available, a rituximab-based regimen targeting the B-cell clone producing the monoclonal IgM may be proposed, alone or in combination with alkylating agents or purine analogs...
May 8, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28483396/early-diagnosis-of-capos-syndrome-before-acute-onset-ataxia-review-of-the-literature-and-a-new-family
#4
Anna Duat Rodriguez, Michaela Prochazkova, Saturnino Santos Santos, Oscar Rubio Cabezas, Veronica Cantarin Extremera, Luis Gonzalez-Gutierrez-Solana
BACKGROUND: CAPOS syndrome (cerebellar ataxia, areflexia, pes cavus, optic atrophy, and sensorineural hearing loss) is a rare disease that has been reported in 22 patients so far. In all cases, the mutation c.2452G>A (p.Glu818Lys) in the ATP1A3 gene was identified. Patients typically present at an early age with an acute-onset fever-induced episode of ataxia frequently associated with encephalopathy and weakness. They usually present one to three episodes. The acute symptoms improve within days, but most patients show slow progression afterward...
January 25, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28460866/an-unusual-presentation-of-varicella-zoster-virus-with-acute-cerebellitis-and-siadh-without-a-rash
#5
Michal Lubomski, Lauren Brown, Romesh Markus
We report a case of varicella-zoster virus (VZV) infection with acute cerebellitis and encephalitis with associated Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH) in an elderly man presenting with acute cerebellar ataxia without antecedent rash. Cerebrospinal fluid examination (CSF) revealed a mononuclear pleocytosis, high protein, normal glucose, positive for VZV polymerase chain reaction (PCR). Early acyclovir treatment is beneficial for acute VZV cerebellitis. Clinicians should consider infectious Central Nervous System (CNS) causes for presentations of acute cerebellar ataxia in adult patients, particularly if there is an accompanying clouded sensorium...
April 28, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28460008/the-spectrum-and-burden-of-influenza-associated-neurological-disease-in-children-combined-encephalitis-and-influenza-sentinel-site-surveillance-from-australia-2013-2015
#6
P N Britton, C C Blyth, K Macartney, R C Dale, J Li-Kim-Moy, G Khandaker, N Crawford, H Marshall, J Clark, E Elliott, R Booy, A C Cheng, C A Jones
Background.: There are few longitudinal studies of seasonal influenza associated neurological disease (IAND) and none from the Southern hemisphere. Methods.: We extracted prospectively acquired Australian surveillance data from two studies nested within the Paediatric Active Enhanced Disease Surveillance (PAEDS) network: the Influenza Complications Alert Network (FluCAN) study and the Australian Childhood Encephalitis (ACE) study between 2013 and 2015. We described the clinical features and severity of IAND in children, including influenza associated encephalitis/encephalopathy (IAE)...
April 29, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28457669/%C3%AE-6%C3%AE-2-nicotinic-acetylcholine-receptors-influence-locomotor-activity-and-ethanol-consumption
#7
Helen M Kamens, Colette Peck, Caitlin Garrity, Alex Gechlik, Brenita C Jenkins, Akshat Rajan
Nicotinic acetylcholine receptors (nAChRs) in the mesolimbic dopamine system have been implicated in ethanol behaviors. In particular, work in genetically engineered mice has demonstrated that α6-containing nAChRs are involved in ethanol consumption and sedation. A limitation of these studies is that the alteration in the receptor was present throughout development. The recently described α6β2 antagonist, N,N-decane-1,10-diyl-bis-3-picolinium diiodide (bPiDI), now makes it possible to test for the involvement of these receptors using a pharmacological approach...
April 27, 2017: Alcohol
https://www.readbyqxmd.com/read/28457486/vaccination-against-louping-ill-virus-protects-goats-from-experimental-challenge-with-spanish-goat-encephalitis-virus
#8
L M Salinas, R Casais, J F García Marín, K P Dalton, L J Royo, A Del Cerro, E Gayo, M P Dagleish, P Alberdi, R A Juste, J de la Fuente, A Balseiro
Spanish goat encephalitis virus (SGEV) is a recently described member of the genus Flavivirus belonging to the tick-borne encephalitis group of viruses, and is closely related to louping ill virus (LIV). Naturally acquired disease in goats results in severe, acute encephalitis and 100% mortality. Eighteen goats were challenged subcutaneously with SGEV; nine were vaccinated previously against LIV and nine were not. None of the vaccinated goats showed any clinical signs of disease or histological lesions, but all of the non-vaccinated goats developed pyrexia and 5/9 developed neurological clinical signs, primarily tremors in the neck and ataxia...
April 28, 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28446490/complicated-acute-cerebellitis-with-obstructive-hydrocephalus-and-tonsillar-herniation-in-a-child
#9
Manchikanti Venkatesh, Sunitha Vellathussery Chakkalakkoombil, Manju Bashini Duraipandi, Reena Gulati
Acute cerebellitis (AC) is a rare inflammatory syndrome presenting as cerebellar dysfunction, seen more frequently in children. AC can have a variable course with features of cerebellar dysfunction, raised intracranial pressure and neurological deficits, and can sometimes even be potentially fatal due to complications such as obstructive hydrocephalus and brainstem compression, warranting surgical intervention. We report a case of a 12-year-old boy who presented with raised intracranial pressure and ataxia...
April 26, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28438663/acute-effects-of-amitriptyline-on-adult-zebrafish-potential-relevance-to-antidepressant-drug-screening-and-modeling-human-toxidromes
#10
Konstantin A Demin, Tatiana O Kolesnikova, Sergey L Khatsko, Darya M Meshalkina, Evgeniya V Efimova, Yuri Yu Morzherin, Allan V Kalueff
The need to develop novel antidepressants is an emerging problem in biomedicine. An aquatic vertebrate species, the zebrafish (Danio rerio) may serve as a useful in-vivo screen for CNS drugs, and displays high sensitivity to a wide range of antidepressants. Amitriptyline is a commonly used tricyclic antidepressant which acts primarily as a serotonin and noradrenaline reuptake inhibitor. Here, we characterize drug-induced behavioral and neurochemical responses in adult zebrafish following their acute exposure to amitriptyline...
April 21, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28432174/postintervention-acute-opsoclonus-myoclonus-syndrome
#11
Annelise Aquilina, Nicola Dingli, Josanne Aquilina
Opsoclonus myoclonus syndrome (OMS) is a rare, neurological condition affecting 1 in 10 000 000 people annually. Opsoclonus, defined as involuntary rapid, multivectorial oscillations of the eyes, together with ataxia and myoclonus are usually present. OMS may be paraneoplastic: often associated with occult neuroblastoma in childhood and with breast carcinoma or small cell lung carcinoma in adults. Other aetiologies include viral or toxic agents. The pathogenesis is thought to be immune mediated. A 37-year-old woman with previous inflammatory cranial mononeuropathies was admitted for elective dilatation and curettage (D&C)...
April 21, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28431624/opsoclonus-myoclonus-ataxia-associated-with-west-nile-virus-infection-a-dramatic-presentation-with-benign-prognosis
#12
Roy Zaltzman, Colin Klein, Carlos R Gordon
Opsoclonus myoclonus and ataxia is a combination of severe neurological signs associated with several pathologic agents and conditions. Only few cases of opsoclonus have been related to West Nile virus infection. We report on a 61-year-old woman and on a 55-year-old man who had history of recent fever, who were hospitalized because of acute severe truncal ataxia, opsoclonus and tremor with minimal myoclonic jerks. A through work-up revealed the presence of both IgM and IgG antibodies against West Nile virus both in the serum and Cerebrospinal Fluid and excluded other causes known to be associated with this combination of neurological signs...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28413174/an-outbreak-of-duck-hepatitis-a-virus-type-1-infection-in-japan
#13
Masahiro Kamomae, Mamoru Kameyama, Jun Ishii, Mikoto Nabe, Yuji Ogura, Hiroshi Iseki, Yu Yamamoto, Masaji Mase
In June 2015, a highly fatal and acute disease broke out in a duckling farm in Hyogo Prefecture, Japan. The birds exhibited poor growth, reduced movement, lying in a dorsal recumbent position, depression, lethargy, ataxia and opisthotonus, with a high mortality rate of approximately 76%. By performing a reverse transcription-polymerase chain reaction (RT-PCR) using primers specific for duck hepatitis A virus type 1 (DHAV-1), we obtained the PCR products of a predicted size. The nucleotide sequences of the PCR products showed a >96% identity with that of the DHAV-1, HB02 strain, which was isolated in China...
April 11, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28404567/accidental-hydroxychloroquine-overdose-resulting-in-neurotoxic-vestibulopathy
#14
Peter B Chansky, Victoria P Werth
Hydroxychloroquine is an oral antimalarial medication commonly used off-label for a variety of rheumatological conditions, including systemic lupus erythematosus, rheumatoid arthritis, Sjögren's syndrome and dermatomyositis. We present a case of a 64-year-old woman who presented with acute onset headache, bilateral tinnitus, and left-sided facial numbness and tingling in the setting of accidentally overdosing on hydroxychloroquine. By the next morning, the patient began to experience worsening in the tingling sensation and it eventually spread to her left arm, thigh and distal extremities...
April 12, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28395678/systemic-lupus-erythematosus-a-possible-cause-of-non-alcoholic-wernicke-s-encephalopathy
#15
M T L Nyo, D Magazi, M M T M Ally
We report a young woman with systemic lupus erythematosus (SLE) and an acute cerebellar ataxia. A history of poor appetite and vomiting preceded the inco-ordination. Ataxia in SLE has been well described, but is nevertheless uncommon. The clinical triad of mild confusion, ataxia and ophthalmoplegia also raised the possibility of Wernicke's encephalopathy (WE). The diagnosis of WE was further supported by the magnetic resonance imaging features. Owing to overlapping causal factors, this case illustrates the complexity of diagnosing and managing neuropsychiatric syndromes in a patient with SLE...
March 29, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28391278/a-comparison-of-remote-and-bedside-assessment-of-the-national-institute-of-health-stroke-scale-in-acute-stroke-patients
#16
Andrey M Alasheev, Aleksey Y Andreev, Yuliya V Gonysheva, Maria N Lagutenko, Olga Y Lutskovich, Antonina V Mamonova, Elena V Prazdnichkova, Andrey A Belkin
INTRODUCTION: Telestroke videoconference for conducting the National Institute of Health Stroke Scale (NIHSS) is recommended when the facility of a direct bedside evaluation by a stroke specialist is not immediately available for hyperacute stroke assessment. However, some NIHSS-telestroke studies inherit systematic bias due to the subjective nature of NIHSS administration. We aimed to evaluate NIHSS telestroke assessment, while implementing measures to minimize subjectivity bias. PATIENTS AND METHODS: Ninety stroke patients within 48 h of onset were assessed by 6 stroke neurologists grouped in 15 pairs...
April 8, 2017: European Neurology
https://www.readbyqxmd.com/read/28386033/comparative-antinociceptive-and-sedative-effects-of-epidural-romifidine-and-detomidine-in-buffalo-bubalus-bubalis
#17
M A Marzok, S A El-Khodery
In this study, comparative antinociceptive and sedative effects of epidural administration of romifidine and detomidine in buffalo were evaluated. Eighteen healthy adult buffalo, allocated randomly in three groups (two experimental and one control; n=6) received either 50 μg/kg of romifidine or detomidine diluted in sterile saline (0.9 per cent) to a final volume of 20 ml, or an equivalent volume of sterile saline epidurally. Antinociception, sedation and ataxia parameters were recorded immediately after drug administration...
April 6, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28372948/acute-hearing-loss-caused-by-decreasing-anterior-inferior-cerebellar-arterial-perfusion-in-a-patient-with-vertebral-artery-stenosis
#18
Rintaro Fukuda, Nobukazu Miyamoto, Arisa Hayashida, Yuji Ueno, Kazuo Yamashiro, Ryota Tanaka, Nobutaka Hattori
We report a case of bilateral hearing loss caused by decreased vascular flow in the anterior inferior cerebellar artery (AICA) territory. A 74-year-old man who experienced right hearing loss 5 months ago presented with bilateral deafness and right cerebellar ataxia; however, no ischemic lesion was detected in the bilateral AICA area. After stroke treatment, hearing loss was improved. One month later, we obtained blood flow improvement in the left AICA territory on single-photon-emission computed tomography and vertebral artery stenosis on magnetic resonance angiography...
March 31, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28363614/acute-symptomatic-hypocalcemia-from-immune-checkpoint-therapy-induced-hypoparathyroidism
#19
Myint Aung Win, Kyaw Zin Thein, Aiham Qdaisat, Sai-Ching Jim Yeung
BACKGROUND: Ipilimumab (a monoclonal antibody against CTLA-4) and nivolumab (a humanized antibody against PD-1) target these immune checkpoint pathways and are used for treatment of melanoma and an increasing number of other cancers. However, they may cause immune-related adverse effects (IRAEs). Although many endocrinopathies are known to be IRAEs, primary hypoparathyroidism with severe hypocalcemia has never been reported. This is the first case of hypoparathyroidism as an IRAE presenting to an Emergency Department with acute hypocalcemia...
February 27, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28361059/in-vitro-prediction-of-breast-cancer-therapy-toxicity
#20
Michael J McKay, Jezzie Maneerat, Timothy M McKay, Jeremy N McKay, Reza Masoud-Rahbari
BACKGROUND: Understanding the basis of clinical radiosensitivity is a key goal of radiation research. In this study, we used the limiting dilution assay (LDA) to analyze in vitro radiosensitivity of cell lines from individuals with breast and other cancers, who had been treated with ionizing radiation, and who either had a non-radiosensitive (RS) radiation response or who were clinically RS. METHODS: Lymphoblastoid cell lines (LCLs) were created from 29 cancer patients including 19 RS patients, 10 controls who had not developed severe normal tissue reactions, and 1 ataxia telangiectasia RS control cell line...
March 2017: Annals of Translational Medicine
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