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https://www.readbyqxmd.com/read/29331207/cerebral-amyloid-angiopathy-related-inflammation-a-case-report-presenting-diagnostic-difficulties
#1
Cecylia Rajczewska-Oleszkiewicz, Agnieszka Cyganek, Anna Stadnik, Dorota Dziewulska
We describe an 86-year-old woman with a history of hypertension who presented sudden disturbances of consciousness and left hemiparesis. Brain magnetic resonance imaging (MRI) revealed diffused hyperintensive changes on T2-weighted images localized subcortically in the white matter of both cerebral hemispheres, corresponding to acute vasogenic edema, causing moderate mass effect. Posterior reversible encephalopathy syndrome was initially diagnosed. After implementation of anti-edema intravenous steroid treatment and hypotensive therapy the symptoms began to retire, till the total regression...
January 6, 2018: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29320216/legibility-of-text-and-pictograms-in-variable-message-signs-can-single-word-messages-outperform-pictograms
#2
Javier Roca, Beatriz Insa, Pilar Tejero
OBJECTIVE: The current research shows the advantage of single-word messages in the particular case of variable message signs (VMSs) with a high aspect ratio. BACKGROUND: Early studies on traffic sign design proposed that pictorial information would advantage equivalent text messages in static signs. METHOD: We used a driving simulator to present individually 36 VMSs, showing six words (e.g., "congestion") and six danger signs (e.g., congestion traffic sign)...
January 1, 2018: Human Factors
https://www.readbyqxmd.com/read/29319910/reversal-of-mecamylamine-induced-effects-in-healthy-subjects-by-nicotine-receptor-agonists-cognitive-and-electro-physiological-responses
#3
Ricardo Alvarez-Jimenez, Ellen P Hart, Samantha Prins, Marieke de Kam, Joop M A van Gerven, Adam F Cohen, Geert Jan Groeneveld
AIM: Establishing a pharmacologic challenge model could yield an important tool to understand the complex role of the nicotinic cholinergic system in cognition and to develop novel compounds acting on the nicotinic acetylcholine receptor. METHODS: This randomized, double-blind, double-dummy, placebo-controlled, four way cross-over study examined the effects of the nicotinic antagonist mecamylamine on a battery of cognitive and neurophysiologic test with co-administration of a placebo, nicotine or galantamine in order to reverse the cognitive impairment caused by mecamylamine...
January 10, 2018: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29319723/characteristics-and-outcomes-of-intensive-care-unit-survivors-experience-of-a-multidisciplinary-outpatient-clinic-in-a-teaching-hospital
#4
Péricles A D Duarte, Jaquilene Barreto Costa, Silvana Trilo Duarte, Sheila Taba, Claudia Regina Felicetti Lordani, Erica Fernanda Osaku, Claudia Rejane Lima Macedo Costa, Dalas Cristina Miglioranza, Daniela Prochnow Gund, Amaury Cesar Jorge
OBJECTIVES: To describe the experience of an outpatient clinic with the multidisciplinary evaluation of intensive care unit survivors and to analyze their social, psychological, and physical characteristics in a low-income population and a developing country. METHODS: Retrospective cohort study. Adult survivors from a general intensive care unit were evaluated three months after discharge in a post-intensive care unit outpatient multidisciplinary clinic over a period of 6 years (2008-2014) in a University Hospital in southern Brazil...
December 2017: Clinics
https://www.readbyqxmd.com/read/29317418/home-polygraphic-recording-with-telemedicine-monitoring-for-diagnosis-and-treatment-of-sleep-apnoea-in-stroke-hopes-study-study-protocol-for-a-single-blind-randomised-controlled-trial
#5
Stefan Thomas Kotzian, Angela Schwarzinger, Sandra Haider, Bernd Saletu, Josef Spatt, Michael Timothy Saletu
INTRODUCTION: Meta-analyses report that more than 50% of patients who had a stroke suffer from moderate to severe sleep apnoea (SA), with adherence rates to positive airway pressure (PAP) therapy of only 30%. The primary objective of this study is to determine whether PAP adherence in patients who had a stroke with obstructive sleep apnoea (OSA) can be improved by a PAP training strategy during inhospital rehabilitation combined with a telemedicine monitoring system after discharge. Further objectives are (1) to compare the validity of a non-attended level-III polygraphy with that of a level-II polysomnography (PSG) in the diagnosis of SA, (2) to compare the validity of an apnoea-hypopnoea index (AHI) yielded by the PAP device with that obtained during PSG, (3) to determine changes in nocturnal systolic blood pressure (BP) due to PAP therapy with the pulse transit time (PTT) method and (4) to assess the impact of telemonitored PAP therapy on neurorehabilitation outcome parameters...
January 9, 2018: BMJ Open
https://www.readbyqxmd.com/read/29314189/bite-or-brain-implication-of-sensorimotor-regulation-and-neuroplasticity-in-oral-rehabilitation-procedures
#6
REVIEW
Abhishek Kumar, Mohit Kothari, Anastasios Grigoriadis, Mats Trulsson, Peter Svensson
Tooth loss, decreased mass and strength of the masticatory muscles leading to difficulty in chewing have been suggested as important determinants of eating and nutrition in the elderly. To compensate for the loss of teeth, in particular, a majority of the elderly rely on dental prosthesis for chewing. Chewing function is indeed an important aspect of oral health and therefore, oral rehabilitation procedures should aim to restore or maintain adequate function. However, even if the possibilities to anatomically restore lost teeth and occlusion have never been better; conventional rehabilitation procedures may still fail to optimally restore oral functions...
January 3, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29306822/celecoxib-a-cyclooxygenase-2-inhibitor-offers-chemoprevention-against-reproductive-and-neurobehavioural-abnormalities-induced-by-atrazine-in-male-wistar-rats
#7
O E Kale, T O Oyesola, F S Raji
The cyclooxygenase-2/prostanoid pathway (COX-2) serves as a potential therapeutic target in various pathological conditions. Thus, the modulatory effect of celecoxib (CXB), a COX-2 inhibitor, in atrazine-induced toxicity was investigated. Five groups (n = 6 rats per group) of adult male Wistar rats received corn oil (2 ml/kg), atrazine (ATZ, 300 mg/kg) and CXB (5.7 mg/kg) respectively and their combinations via the oral route. Results obtained showed reduced (p < 0.05) sperm motility (25.8%) and counts (27...
December 30, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29302265/the-effect-of-low-dose-intravenous-bisphosphonate-treatment-on-osteoporosis-in-children-with-quadriplegic-cerebral-palsy
#8
Soon Jeong Moon, Young Min An, Soon Ki Kim, Young Se Kwon, Ji Eun Lee
Purpose: Quadriplegic children with cerebral palsy are more susceptible to osteoporosis because of various risk factors that interfere with bone metabolism. Pamidronate is effective for pediatric osteoporosis, but there are no guidelines for optimal dosage or duration of treatment in quadriplegic children with osteoporosis. We aimed to evaluate the efficacy of low-dose pamidronate treatment in these patients. Methods: Ten quadriplegic patients on antiepileptic drugs (6 male, 4 female patients; mean age, 10...
December 2017: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/29299640/variable-impact-of-tizanidine-on-the-medium-latency-reflex-of-upper-and-lower-limbs
#9
Isaac Kurtzer, Laurent J Bouyer, J Bouffard, A Jin, L Christiansen, J B Nielsen, S H Scott
Sudden limb displacement evokes a complex sequence of compensatory muscle activity. Following the short-latency reflex and preceding voluntary reactions is an epoch termed the medium-latency reflex (MLR) that could reflect spinal processing of group II muscle afferents. One way to test this possibility is oral ingestion of tizanidine, an alpha-2 adrenergic agonist that inhibits the interneurons transmitting group II signals onto spinal motor neurons. We examined whether group II afferents contribute to MLR activity throughout the major muscles that span the elbow and shoulder...
January 3, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29287781/beneficial-effects-of-oral-administration-of-c-phycocyanin-and-phycocyanobilin-in-rodent-models-of-experimental-autoimmune-encephalomyelitis
#10
Majel Cervantes-Llanos, Nielsen Lagumersindez-Denis, Javier Marín-Prida, Nancy Pavón-Fuentes, Viviana Falcon-Cama, Beatriz Piniella-Matamoros, Hanlet Camacho-Rodríguez, Julio Raúl Fernández-Massó, Carmen Valenzuela-Silva, Ivette Raíces-Cruz, Eduardo Pentón-Arias, Mauro Martins Teixeira, Giselle Pentón-Rol
The only three oral treatments currently available for multiple sclerosis (MS) target the relapsing forms of the disease and concerns regarding efficacy, safety and tolerability limit their use. Identifying novel oral disease-modifying therapies for MS, targeting both its inflammatory and neurodegenerative components is still a major goal. AIM: The scope of this study was to provide evidence that the oral administration of C-Phycocyanin (C-PC), the main biliprotein of the Spirulina platensis cyanobacteria and its tetrapyrrolic prosthetic group, Phycocyanobilin (PCB), exert ameliorating actions on rodent models of experimental autoimmune encephalomyelitis (EAE)...
December 26, 2017: Life Sciences
https://www.readbyqxmd.com/read/29281317/changes-in-movement-transitions-across-a-practice-period-in-childhood-apraxia-of-speech
#11
Maria I Grigos, Julie Case
This study examined changes in speech motor control across a movement transition between sounds within a motor learning task in children with apraxia of speech (CAS) and typical development (TD). It was investigated whether oral articulator movement was refined with practice and whether practice gains generalized to words not included in the practice session. A total of 16 children (ages 5-6) with CAS (n = 8) and TD (n = 8) participated in this study. Novel and real word tokens were produced at three time points...
December 27, 2017: Clinical Linguistics & Phonetics
https://www.readbyqxmd.com/read/29260264/a-new-piperazine-derivative-1-4-3-5-di-tert-butyl-4-hydroxybenzyl-piperazin-1-yl-2-methoxyethan-1-one-with-antioxidant-and-central-activity
#12
Adriane F Brito, Patrícia C C S Braga, Lorrane K S Moreira, Dayane M Silva, Daiany P B Silva, Germán Sanz, Boniek G Vaz, Flávio S de Carvalho, Luciano M Lião, Rafaela R Silva, François Noël, Hiasmin F S Neri, Paulo C Ghedini, Murilo F de Carvalho, Eric de S Gil, Elson A Costa, Ricardo Menegatti
In the scope of a research program aimed at developing new drugs for the treatment of central nervous system diseases, we describe herein the synthesis and pharmacological evaluation of 1-(4-(3,5-di-tert-butyl-4-hydroxybenzyl) piperazin-1-yl)-2-methoxyethan-1-one (LQFM180). This compound showed antioxidant activity in two models, electroanalytical assays, and DPPH activity. Moreover, in behavioral tests as the open field test LQFM180 (9.4, 18.8, and 37.6 mg/kg, per oral (p.o.)), we detected anxiolytic-like activity...
December 19, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/29260038/can-suitable-candidates-for-levodopa-carbidopa-intestinal-gel-therapy-be-identified-using-current-evidence
#13
REVIEW
Maria José Catalán, Angelo Antonini, Matilde Calopa, Ovidiu Băjenaru, Oriol de Fábregues, Adolfo Mínguez-Castellanos, Per Odin, José Manuel García-Moreno, Stephen W Pedersen, Zvezdan Pirtošek, Jaime Kulisevsky
Advanced Parkinson's disease (APD) is characterized by increased functional disability, caused by motor complications, the presence of axial symptoms, and emergent disease- and drug-related non-motor symptoms. One of the advanced therapies available is intrajejunal infusion of levodopa/carbidopa intestinal gel (LCIG); however, patient selection for this treatment is sometimes difficult, particularly because of overlapping indications with other alternatives. In recent years, strong evidence has supported the use of LCIG in treating motor fluctuations associated with APD, and several clinical studies provide emerging evidence for additional benefits of LCIG treatment in certain patients...
September 2017: ENeurologicalSci
https://www.readbyqxmd.com/read/29247729/pramipexole-dihydrochloride-loaded-chitosan-nanoparticles-for-nose-to-brain-delivery-development-characterization-and-in-vivo-anti-parkinson-activity
#14
Ruhi Raj, Sarika Wairkar, Vinay Sridhar, Ram Gaud
In the current study, Pramipexole dihydrochloride loaded chitosan nanoparticles (P-CNs) were prepared for Parkinson's disease via nose to brain pathway by ionic gelation method. Optimized P-CNs with chitosan and sodium tripolyphosphate (6:1 v/v) exhibited particle size and entrapment efficiency of 292.5 nm ± 8.80 and 91.25% ± 0.95 respectively and its diffusion across the artificial membrane and goat nasal mucosa was found to be 93.32% ± 2.56 and 83.03% ± 3.48 correspondingly after 24 h...
December 13, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29246725/memory-and-brain-amyloid-and-tau-effects-of-a-bioavailable-form-of-curcumin-in-non-demented-adults-a-double-blind-placebo-controlled-18-month-trial
#15
Gary W Small, Prabha Siddarth, Zhaoping Li, Karen J Miller, Linda Ercoli, Natacha D Emerson, Jacqueline Martinez, Koon-Pong Wong, Jie Liu, David A Merrill, Stephen T Chen, Susanne M Henning, Nagichettiar Satyamurthy, Sung-Cheng Huang, David Heber, Jorge R Barrio
OBJECTIVE: Because curcumin's anti-inflammatory properties may protect the brain from neurodegeneration, we studied its effect on memory in non-demented adults and explored its impact on brain amyloid and tau accumulation using 2-(1-{6-[(2-[F-18]fluoroethyl)(methyl)amino]-2-naphthyl}ethylidene)malononitrile positron emission tomography (FDDNP-PET). METHODS: Forty subjects (age 51-84 years) were randomized to a bioavailable form of curcumin (Theracurmin® 90 mg twice daily [N = 21]) or placebo (N = 19) for 18 months...
October 27, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/29243862/effects-of-sodium-benzoate-a-commonly-used-food-preservative-on-learning-memory-and-oxidative-stress-in-brain-of-mice
#16
Mohammad Javad Khoshnoud, Asma Siavashpour, Mojgan Bakhshizadeh, Marzieh Rashedinia
Sodium benzoate (SB) is a widely used preservative and antimicrobial substance in many foods and soft drinks. However, this compound is generally recognized as safe food additives, but evidence has suggested that a high intake of SB may link to attention deficit-hyperactivity disorder in children. Present study investigate the effects of oral administration of different concentrations of SB (0.56, 1.125, and 2.25 mg/mL) for 4 weeks, on the learning and memory performance tests, and also the levels of malondialdehyde (MDA), reduced glutathione (GSH), and acetylcholinesterase activity (AChE) in the mouse brain...
December 15, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/29242978/animal-models-of-l-dopa-induced-dyskinesia-the-6-ohda-lesioned-rat-and-mouse
#17
REVIEW
Elisabetta Tronci, Veronica Francardo
Appearance of L-DOPA-induced dyskinesia (LID) represents a major limitation in the pharmacological therapy with the dopamine precursor L-DOPA. Indeed, the vast majority of parkinsonian patients develop dyskinesia within 9-10 years of L-DOPA oral administration. This makes the discovery of new therapeutic strategies an important need. In the last decades, several animal models of Parkinson's disease (PD) have been developed, to both study mechanisms underlying PD pathology and treatment-induced side effects (i...
December 14, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/29229199/microbiota-and-aging-a-review-and-commentary
#18
REVIEW
Carmen García-Peña, Teresa Álvarez-Cisneros, Ricardo Quiroz-Baez, Robert P Friedland
Although there is a consensus that the dominant species that make up the adult microbiota remains unchanged in elderly people, it has been reported that there are significant alterations in the proportion and composition of the different taxa, leading to reduced microbiota diversity, as well as an increase of enteropathogens that may lead to chronic inflammation. The ageing of mucosal immune and motor systems also contributes to these changes. As the individual ages, there is a loss in the number of Peyer's patches, an altered local capacity of T and B cell functions as well as chronic macrophage activation...
December 8, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/29225984/acquired-von-willebrand-disease-associated-with-monoclonal-gammopathy-of-unknown-significance
#19
Sijan Basnet, Catherine Lin, Rashmi Dhital, Izza Mir, Elan Mohanty, Biswaraj Tharu, Sushil Ghimire, Dilli Ram Poudel
We present a case of a 79-year-old male who presented with retroperitoneal hematoma a week after motor vehicle accident. Prior history and family history of bleeding were nonsignificant. His activated partial thromboplastin time was found to be prolonged in the emergency department. Further workup with coagulation studies showed decreased factor VIII, vWF antigen, and vWF:ristocetin cofactor assay, and negative Bethesda assay, indicating acquired von Willebrand disease. Immunofluorescence to find an underlying etiology was suggestive of MGUS...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/29225339/early-speech-development-in-koolen-de-vries-syndrome-limited-by-oral-praxis-and-hypotonia
#20
Angela T Morgan, Leenke van Haaften, Karen van Hulst, Carol Edley, Cristina Mei, Tiong Yang Tan, David Amor, Simon E Fisher, David A Koolen
Communication disorder is common in Koolen de Vries syndrome (KdVS), yet its specific symptomatology has not been examined, limiting prognostic counselling and application of targeted therapies. Here we examine the communication phenotype associated with KdVS. Twenty-nine participants (12 males, 4 with KANSL1 variants, 25 with 17q21.31 microdeletion), aged 1.0-27.0 years were assessed for oral-motor, speech, language, literacy, and social functioning. Early history included hypotonia and feeding difficulties...
December 11, 2017: European Journal of Human Genetics: EJHG
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