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https://www.readbyqxmd.com/read/28532908/the-safety-and-efficiency-of-pvcr-without-anterior-support-applied-in-treatment-of-yang-s-a-type-severe-thoracic-kyphoscoliosis
#1
Wen-Yuan Sui, Zi-Fang Huang, Yao-Long Deng, Heng-Wei Fan, Jing-Fan Yang, Fo-Bao Li, Jun-Lin Yang
OBJECT: To assess the clinical and radiographic outcomes of posterior vertebral column resection (PVCR) without anterior support in treatment of Yang's A type severe rigid thoracic kyphoscoliosis. METHODS: The records of 27 Yang's A type severe thoracic kyphoscoliosis patients treated with PVCR without anterior support from January 2010 to September 2013 were retrospectively analyzed. Intraoperative multimodal neurophysiological monitoring (IONM) (6 modes: Somatosensory evoked potential (SSEP), Motor evoked potential (MEP), Descending neurogenic evoked potential (DNEP), Spinal cord evoked potential (SCEP), and Electromyography, both triggered and free run EMG) was conducted in all patients...
May 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28526524/visual-snow-in-a-paediatric-patient
#2
E Santos-Bueso, A M Muñoz-Hernández, N Avalos-Franco, S García-Sáenz, F Sáenz-Francés, J Porta-Etessam
CASE REPORT: The case is presented of an 11 year-old girl referring to a one year history of photophobia and continuously seeing white spots in both eyes. The patient had a visual acuity of unity in both eyes, and a normal eye examination, and was referred to the Neuro-ophthalmology Unit. Once complete laboratory and imaging tests ruled out the possibility of any neurological pathology, she was diagnosed with visual snow (VS). DISCUSSION: VS is an isolated symptom, possibly part of the migraine aura, that is referred by patients reporting numerous and constant white dots moving in the visual field of BE...
May 16, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28522659/validation-of-an-mri-brain-injury-and-growth-scoring-system-in-very-preterm-infants-scanned-at-29-to-35-week-postmenstrual-age
#3
J M George, S Fiori, J Fripp, X K Pannek, X J Bursle, X R X Moldrich, X A Guzzetta, X A Coulthard, X R S Ware, X S E Rose, X P B Colditz, X R N Boyd
BACKGROUND AND PURPOSE: The diagnostic and prognostic potential of brain MR imaging before term-equivalent age is limited until valid MR imaging scoring systems are available. This study aimed to validate an MR imaging scoring system of brain injury and impaired growth for use at 29 to 35 weeks postmenstrual age in infants born at <31 weeks gestational age. MATERIALS AND METHODS: Eighty-three infants in a prospective cohort study underwent early 3T MR imaging between 29 and 35 weeks' postmenstrual age (mean, 32(+2) ± 1(+3) weeks; 49 males, born at median gestation of 28(+4) weeks; range, 23(+6)-30(+6) weeks; mean birthweight, 1068 ± 312 g)...
May 18, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28522182/hodotopy-neuroplasticity-and-diffuse-gliomas
#4
H Duffau
BACKGROUND AND PURPOSE: The historical approach in neurooncology is used to mainly investigate the tumor, with very few considerations regarding the brain itself. Nonetheless, to select the best personalized therapeutic management for each patient with a diffuse glioma, i.e. to optimize the "onco-functional balance", the brain reaction induced by glioma growth and migration should be studied. Indeed, due to strong interactions between the glioma and the brain, cerebral adaptive phenomena often occur in order to maintain neurological and cognitive functions, as well as to compensate glioma spreading...
May 15, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28511576/performance-of-a-brazilian-sample-on-the-portuguese-translation-of-the-bni-screen-for-higher-cerebral-functions
#5
George P Prigatano, Lígia M N Souza, Lucia W Braga
INTRODUCTION: The Barrow Neurological Institute (BNI) Screen for Higher Cerebral Functions (BNIS) has been translated into several languages and found useful in evaluating multiple domains of cognitive and affective dysfunction, particularly in neuro-rehabilitation settings. Normative data from countries with high literacy rates have reported strikingly similar mean level of performance scores on this test, with age typically correlating higher with total score performance than education...
May 17, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28502685/transorbital-glue-embolization-of-a-recurrent-venous-varix-using-real-time-image-guidance-in-the-neuroangiography-suite
#6
Sophia F Shakur, Denise Brunozzi, Pete Setabutr, Ahmed E Hussein, Fady T Charbel, Ali Alaraj
Orbital lesions are challenging to access due to their location amidst critical anatomical structures. Here, we demonstrate direct transorbital cannulation of an orbital venous varix using image guidance. A 36-year-old male was diagnosed to have a left orbital venous varix approximately 5 years ago at an outside institution. He subsequently underwent surgery for direct intraoperative embolization of the venous varix followed by surgical resection. The patient recently presented to us with left eye pain, proptosis, double vision, and conjunctival hemorrhage precipitated by straining or lying flat...
May 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28497934/cerebral-autoregulation-monitoring-in-acute-traumatic-brain-injury-what-s-the-evidence
#7
Leanne A Calviello, Joseph Donnelly, Frederick A Zeiler, Eric P Thelin, Peter Smielewski, Marek Czosnyka
Cerebral autoregulation is conceptualized as a vascular self-regulatory mechanism within the brain. Controlled by elusive relationships between various biophysical processes, it functions to protect the brain against potential damages caused by sudden changes in cerebral perfusion pressures and flow. Following events such as traumatic brain injuries (TBI), autoregulation may be compromised, potentially leading to an unfavorable outcome. In spite of its complexity, autoregulation has been able to be quantified non-invasively within the neuro-critical care setting with the aid of transcranial Doppler...
May 12, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28494768/inhibition-of-cd40-traf6-interactions-by-the-small-molecule-inhibitor-6877002-reduces-neuroinflammation
#8
Suzanne A B M Aarts, Tom T P Seijkens, Pascal J H Kusters, Susanne M A van der Pol, Barbara Zarzycka, Priscilla D A M Heijnen, Linda Beckers, Myrthe den Toom, Marion J J Gijbels, Louis Boon, Christian Weber, Helga E de Vries, Gerry A F Nicolaes, Christine D Dijkstra, Gijs Kooij, Esther Lutgens
BACKGROUND: The influx of leukocytes into the central nervous system (CNS) is a key hallmark of the chronic neuro-inflammatory disease multiple sclerosis (MS). Strategies that aim to inhibit leukocyte migration across the blood-brain barrier (BBB) are therefore regarded as promising therapeutic approaches to combat MS. As the CD40L-CD40 dyad signals via TNF receptor-associated factor 6 (TRAF6) in myeloid cells to induce inflammation and leukocyte trafficking, we explored the hypothesis that specific inhibition of CD40-TRAF6 interactions can ameliorate neuro-inflammation...
May 12, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28487480/microbiota-promotes-systemic-t-cell-survival-through-suppression-of-an-apoptotic-factor
#9
Raymond Soto, Charisse Petersen, Camille L Novis, Jason L Kubinak, Rickesha Bell, W Zac Stephens, Thomas E Lane, Robert S Fujinami, Alberto Bosque, Ryan M O'Connell, June L Round
Symbiotic microbes impact the severity of a variety of diseases through regulation of T-cell development. However, little is known regarding the molecular mechanisms by which this is accomplished. Here we report that a secreted factor, Erdr1, is regulated by the microbiota to control T-cell apoptosis. Erdr1 expression was identified by transcriptome analysis to be elevated in splenic T cells from germfree and antibiotic-treated mice. Suppression of Erdr1 depends on detection of circulating microbial products by Toll-like receptors on T cells, and this regulation is conserved in human T cells...
May 9, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28484983/ischemic-preconditioning-in-the-intensive-care-unit
#10
REVIEW
Maranatha Ayodele, Sebastian Koch
Preconditioning is the premise that controlled preemptive exposure to sub-lethal doses of a stressor and can condition an organism or organ to later withstand a lethal dose. This process relies on marshaling endogenous survival resources that have evolved as part of an organism's evolutionary struggle to overcome at times harsh environmental conditions. This preconditioning response occurs through activation of myriad complex mechanisms that run the gamut from alterations in gene expression to the de novo synthesis and post-translational modification of proteins, and it may occur across exposure to a wide variety of stressors (i...
June 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/28483860/rapid-eye-movement-sleep-predominant-central-sleep-apnea-relieved-by-positive-airway-pressure-a-case-report
#11
Noah P Jouett, Michael L Smith, Donald E Watenpaugh, Maryam Siddiqui, Maleeha Ahmad, Farrukh Siddiqui
Central Sleep Apnea (CSA) is characterized by intermittent apneas and hypopneas during sleep that result from absent central respiratory drive. CSA occurs almost exclusively during non-rapid-eye-movement (NREM) sleep due to enhanced neuronal ventilatory drive during REM sleep that makes central apneas highly unlikely to form. A 45-year-old obese African American female presented with co-existing Obstructive Sleep Apnea (OSA) and CSA, not in the form of mixed or complex sleep apnea. Peculiarly, her CSA occurred only during rapid-eye-movement (REM) sleep, which is exceedingly rare...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28477085/linking-of-the-quality-of-life-in-neurological-disorders-neuro-qol-to-the-international-classification-of-functioning-disability-and-health
#12
Alex W K Wong, Stephen C L Lau, David Cella, Jin-Shei Lai, Guanli Xie, Lidian Chen, Chetwyn C H Chan, Allen W Heinemann
BACKGROUND: The quality of life in neurological disorders (Neuro-QoL) is a U.S. National Institutes of Health initiative that produced a set of self-report measures of physical, mental, and social health experienced by adults or children who have a neurological condition or disorder. OBJECTIVE: To describe the content of the Neuro-QoL at the item level using the World Health Organization's international classification of functioning, disability and health (ICF)...
May 5, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28472257/expression-of-ecto-nucleoside-triphosphate-diphosphohydrolases-2-and-3-in-the-enteric-nervous-system-impacts-inflammation-in-experimental-colitis-and-crohn-s-disease
#13
Linda Feldbrügge, Alan C Moss, Eric U Yee, Eva Csizmadia, Shuji Mitsuhashi, Maria Serena Longhi, Bynvant Sandhu, Holger Stephan, Yan Wu, Adam S Cheifetz, Christa E Müller, Jean Sévigny, Simon C Robson, Z Gordon Jiang
Objective: Recent studies have suggested that the enteric nervous system can modulate gut immunity. Ecto-nucleoside triphosphate diphosphohydrolases (E-NTPDases) regulate purinergic signaling by sequential phosphohydrolysis of pro-inflammatory extracellular ATP. Herein, we test the hypothesis that E-NTPDases modulate gut inflammation via neuro-immune crosstalk. Design: We determined expression patterns of NTPDase2 and NTPDase3 in murine and human colon. Experimental colitis was induced by dextran sodium sulfate (DSS) in genetically engineered mice deficient in NTPDase2 or NTPDase3...
May 2, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28466127/incidence-of-tumour-progression-and-pseudoprogression-in-high-grade-gliomas-a%C3%A2-systematic-review-and-meta-analysis
#14
Abdul W Abbasi, Henriette E Westerlaan, Gea A Holtman, Kamal M Aden, Peter Jan van Laar, Anouk van der Hoorn
BACKGROUND: High-grade gliomas are the most common primary brain tumours. Pseudoprogression describes the false appearance of radiation-induced progression on MRI. A distinction should be made from true tumour progression to correctly plan treatment. However, there is wide variation of reported pseudoprogression. We thus aimed to establish the incidence of pseudoprogression and tumour progression in high-grade glioma patients with a systematic review and meta-analysis. METHODS: We searched PubMed, Embase and Web of Science on the incidence of pseudoprogression and tumour progression in adult high-grade glioma patients from 2005, the latest on 8 October 2014...
May 2, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28463644/reduced-sympathetic-stimulus-and-angiotensin-1-7-are-related-to-diastolic-dysfunction-in-spinal-cord-injured-subjects
#15
Roberto Schreiber, Layde R Paim, Guilherme de Rossi, José R Matos-Souza, Anselmo Costa E Silva, Cláudio D Nogueira, Eliza R Azevedo, Karina C Alonso, Zaira Palomino, Andrei C Sposito, Dulce E Casarini, José I Gorla, Alberto Cliquet, Wilson Nadruz
Chronic spinal cord injury (SCI) is often associated with reductions in left ventricular (LV) diastolic function. Impairments in sympathetic activity and activation of the renin-angiotensin system are reported in SCI individuals and may hypothetically be implicated in this association. Hence, the present study verified the relationship between these two neuro-hormonal and cardiac functional and structural characteristics in SCI individuals. Twenty-two men with SCI (injury level above T6 and no voluntary motion below the injury) and 11 able-bodied men were evaluated by clinical, hemodynamic, laboratory and echocardiographic analysis, and had plasmatic renin, angiotensin I (ANGI), angiotensin II (ANGII), angiotensin 1-7 (ANG1-7) and noradrenaline levels measured...
May 2, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28455954/galectin-1-expression-imprints-a-neurovascular-phenotype-in-proliferative-retinopathies-and-delineates-responses-to-anti-vegf
#16
Magali E Ridano, Paula V Subirada, María C Paz, Valeria E Lorenc, Juan C Stupirski, Ana L Gramajo, José D Luna, Diego O Croci, Gabriel A Rabinovich, María C Sánchez
Neovascular retinopathies are leading causes of irreversible blindness. Although vascular endothelial growth factor (VEGF) inhibitors have been established as the mainstay of current treatment, clinical management of these diseases is still limited. As retinal impairment involves abnormal neovascularization and neuronal degeneration, we evaluated here the involvement of galectin-1 in vascular and non-vascular alterations associated with retinopathies, using the oxygen-induced retinopathy (OIR) model. Postnatal day 17 OIR mouse retinas showed the highest neovascular profile and exhibited neuro-glial injury as well as retinal functional loss, which persisted until P26 OIR...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28455788/diagnosis-and-treatment-patterns-for-patients-with-leptomeningeal-metastasis-from-solid-tumors-across-europe
#17
Emilie Le Rhun, Roberta Rudà, Patrick Devos, Khê Hoang-Xuan, Dieta Brandsma, Pedro Pérez Segura, Riccardo Soffietti, Michael Weller
Leptomeningeal metastases are a late manifestation of systemic cancer which affects up to 10% of patients with solid tumors. Prognosis is poor, and overall survival at 1 year is only approximately 10%. Management depends mainly on general and neurological condition, primary tumor, and patterns of metastasis, notably absence or presence of concurrent systemic or solid brain metastases. Here we set out to characterize current practice patterns of diagnosis and treatment of patients with leptomeningeal metastasis in Europe...
April 28, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28450539/multisensory-integration-uses-a-real-time-unisensory-multisensory-transform
#18
Ryan L Miller, Barry E Stein, Benjamin A Rowland
The manner in which the brain integrates different sensory inputs to facilitate perception and behavior has been the subject of numerous speculations. By examining multisensory neurons in cat superior colliculus, the present study demonstrated that two operational principles are sufficient to understand how this remarkable result is achieved: (1) unisensory signals are integrated continuously and in real time as soon as they arrive at their common target neuron and (2) the resultant multisensory computation is modified in shape and timing by a delayed, calibrating inhibition...
May 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28449033/response-assessment-in-medulloblastoma-and-leptomeningeal-seeding-tumors-recommendations-from-the-response-assessment-in-pediatric-neuro-oncology-committee
#19
Katherine E Warren, Gilbert Vezina, Tina Y Poussaint, Monika Warmuth-Metz, Marc C Chamberlain, Roger J Packer, Alba A Brandes, Moshe Reiss, Stewart Goldman, Michael J Fisher, Ian F Pollack, Michael D Prados, Patrick Y Wen, Susan M Chang, Christelle Dufour, David Zurakowski, Rolf D Kortmann, Mark W Kieran
Lack of standard response criteria in clinical trials for medulloblastoma and other seeding tumors complicates assessment of therapeutic efficacy and comparisons across studies. An international working group was established to develop consensus recommendations for response assessment. The aim is that these recommendations be prospectively evaluated in clinical trials, with the goal of achieving more reliable risk stratification and uniformity across clinical trials. Current practices and literature review were performed to identify major confounding issues and justify subsequently developed recommendations; in areas lacking scientific investigations, recommendations were based on experience of committee members and consensus was reached after discussion...
April 25, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28440093/turmeric-curcuma-longa-l-extract-may-prevent-the-deterioration-of-spatial-memory-and-the-deficit-of-estimated-total-number-of-hippocampal-pyramidal-cells-of-trimethyltin-exposed-rats
#20
Sapto Yuliani, Mustofa, Ginus Partadiredja
CONTEXT: Protection of neurons from degeneration is an important preventive strategy for dementia. Much of the dementia pathology implicates oxidative stress pathways. Turmeric (Curcuma longa L.) contains curcuminoids which has anti-oxidative and neuro-protective effects. These effects are considered to be similar to those of citicoline which has been regularly used as one of standard medications for dementia. OBJECTIVE: This study aimed at investigating the effects of turmeric rhizome extract on the hippocampus of trimethyltin (TMT)-treated Sprague-Dawley rats...
April 25, 2017: Drug and Chemical Toxicology
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