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https://www.readbyqxmd.com/read/29245106/cerebral-arterio-venous-malformations-in-the-paediatric-population-angiographic-characteristics-multimodal-treatment-strategies-and-outcome
#1
Klaus-Peter Stein, Bernd-Otto Huetter, Sophia Goericke, Neriman Oezkan, Rebecca Leyrer, I Erol Sandalcioglu, Michael Forsting, Ulrich Sure, Oliver Mueller
OBJECTIVES: Cerebral arterio-venous malformations (AVM) are considered congenital lesions, emerging as an important cause of haemorrhagic stroke in children. The potential influence of age on clinical presentation and angio-architecture have been analysed extensively in the last years. Yet, comparative studies comprising ascending age groups may be limited in their conclusions, especially when comparing young children and adults. It is the aim of this study to evaluate characteristic clinical and angiographic features of AVM within a paediatric subgroup and their correlation to age at presentation...
December 5, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29245044/changes-in-lower-extremity-strength-may-be-related-to-the-walking-speed-improvements-in-children-with-cerebral-palsy-after-gait-training
#2
Rashelle M Hoffman, Bradley B Corr, Wayne A Stuberg, David J Arpin, Max J Kurz
BACKGROUND: Cerebral palsy (CP) has a high probability of resulting in lower extremity strength and walking deficits. Numerous studies have shown that gait training has the potential to improve the walking abilities of these children; however, the factors governing these improvements are unknown. AIMS: This study aimed to evaluate the relationship between change in lower extremity strength, walking speed and endurance of children with CP following gait training...
December 12, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/29244842/intensive-care-treatments-associated-with-favorable-discharge-outcomes-in-argentine-children-with-severe-traumatic-brain-injury-for-the-south-american-guideline-adherence-group
#3
Monica S Vavilala, Silvia B Lujan, Qian Qiu, Michael J Bell, Nicolás M Ballarini, Nahuel Guadagnoli, María Alejandra Depetris, Gabriela A Faguaga, Gloria M Baggio, Leonardo O Busso, Mirta E García, Osvaldo R González Carrillo, Paula L Medici, Silvia S Sáenz, Elida E Vanella, Carly K Farr, Gustavo J Petroni
OBJECTIVE: Little is known about the critical care management of children with traumatic brain injury (TBI) in low middle income countries. We aimed to identify indicators of intensive care unit (ICU) treatments associated with favorable outcomes in Argentine children with severe TBI. METHODS: We conducted a secondary analysis of data from patients previously enrolled in a prospective seven center study of children with severe TBI who were admitted to an ICU in one of the seven study centers...
2017: PloS One
https://www.readbyqxmd.com/read/29244749/serum-levels-of-s100b-and-nse-proteins-in-patients-with-non-transfusion-dependent-thalassemia-as-biomarkers-of-brain-ischemia-and-cerebral-vasculopathy
#4
Aikaterini Kanavaki, Konstantinos Spengos, Maria Moraki, Polyxeni Delaporta, Catherine Kariyannis, Ioannis Papassotiriou, Antonis Kattamis
Patients with non-transfusion-dependent thalassemia (NTDT) are at risk of developing brain ischemia. Transcranial Doppler (TCD) has been established as a useful screening tool of cerebrovascular disease in patients with sickle cell disease. Proteins neuron specific enolase (NSE) and S100B are biomarkers that reflect CNS injury. The purpose of this study is to evaluate cerebral vessel vasculopathy and brain damage in NTDT patients using non-invasive methods as TCD and measurement serum levels of NSE and S100B...
December 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29244151/diffusion-weighted-imaging-detects-early-brain-injury-after-hypothermic-circulatory-arrest-in-pigs
#5
Ren Wang, Guoxing Weng, Shun Yu, Shuangbo Dai, Weiwei Zhang, Feng Zhu
OBJECTIVES: Cerebral injury is a complication of surgery with deep hypothermic circulatory arrest (DHCA). This study aimed to evaluate diffusion-weighted imaging (DWI) for the early detection of brain injury after DHCA in an animal model. METHODS: Twelve healthy, adult, male miniature pigs were randomly divided into the DHCA (to receive DHCA; n = 6) and the control (sham surgery under anaesthesia; n = 6) groups. All animals received DWI, T1-weighted imaging (T1WI) and T2WI the day before surgery, 7 h postoperatively and 24 h postoperatively...
December 12, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29244126/silent-cerebral-small-vessel-disease-twice-as-prevalent-in-middle-aged-well-controlled-cart-treated-hiv-infected-individuals-than-hiv-uninfected-individuals
#6
Antoine Moulignier, Julien Savatovsky, Lambert Assoumou, François-Xavier Lescure, Cédric Lamirel, Ophelia Godin, Nadia Valin, Roland Tubiana, Ana Canestri, Pascal Roux, Jean-Claude Sadik, Laurence Salomon, Marie Abrivard, Christine Katlama, Yazdan Yazdanpanah, Gilles Pialoux, Pierre-Marie Girard, Dominique Costagliola
Background: Silent cerebral small-vessel disease (CSVD) is defined as white matter hyperintensities, silent brain infarction or microbleeds. CSVD is responsible for future vascular events, cognitive impairment, frailty and shorter survival. CSVD prevalence among middle-aged persons living with well-controlled HIV infection (PLHIVs) is unknown. Methods: ANRS EP51 MicroBREAK (NCT02082574) is a cross-sectional study with prospective enrollment of treated PLHIVs, ≥50 years old with viral load controlled for ≥12 months, and frequency age- and sex-matched HIV-uninfected controls (HUCs)...
December 13, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29244098/clemastine-rescues-myelination-defects-and-promotes-functional-recovery-in-hypoxic-brain-injury
#7
Bruce A C Cree, Jianqin Niu, Kimberly K Hoi, Chao Zhao, Scott D Caganap, Roland G Henry, Dang Q Dao, Daniel R Zollinger, Feng Mei, Yun-An A Shen, Robin J M Franklin, Erik M Ullian, Lan Xiao, Jonah R Chan, Stephen P J Fancy
Hypoxia can injure brain white matter tracts, comprised of axons and myelinating oligodendrocytes, leading to cerebral palsy in neonates and delayed post-hypoxic leukoencephalopathy (DPHL) in adults. In these conditions, white matter injury can be followed by myelin regeneration, but myelination often fails and is a significant contributor to fixed demyelinated lesions, with ensuing permanent neurological injury. Non-myelinating oligodendrocyte precursor cells are often found in lesions in plentiful numbers, but fail to mature, suggesting oligodendrocyte precursor cell differentiation arrest as a critical contributor to failed myelination in hypoxia...
December 13, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29244086/cerebral-blood-flow-changes-after-radiation-therapy-identifies-pseudo-progression-in-diffuse-intrinsic-pontine-gliomas
#8
Raphael Calmon, Stephanie Puget, Pascale Varlet, Volodia Dangouloff-Ros, Thomas Blauwblomme, Kevin Beccaria, David Grevent, Christian Sainte-Rose, David Castel, Marie-Anne Debily, Christelle Dufour, Stéphanie Bolle, Frederic Dhermain, Ana Saitovitch, Monica Zilbovicius, Francis Brunelle, Jacques Grill, Nathalie Boddaert
Background: The interval between progression and death in diffuse intrinsic pontine glioma (DIPG) is usually < 6 months. However, reports of longer patient survival following radiotherapy, in the presence of radiological signs of progression, suggest that these cases may be comparable to pseudo-progression observed in adult glioblastoma. Our aim was to identify such cases and compare their multimodal MRI features with those of patients that did not present the same evolution. Methods: Multimodal MRI of 43 children treated for DIPG were retrospectively selected at four time points: baseline, after-radiotherapy, during true-progression, and at the last-visit...
December 13, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/29244081/atrial-fibrillation-type-matters-greater-infarct-volume-and-worse-neurological-defects-seen-in-acute-cardiogenic-cerebral-embolism-due-to-persistent-or-permanent-rather-than-paroxysmal-atrial-fibrillation
#9
Osamu Inaba, Yasuteru Yamauchi, Masahiro Sekigawa, Naoyuki Miwa, Junji Yamaguchi, Yasutoshi Nagata, Toru Obayashi, Takamichi Miyamoto, Tomoyuki Kamata, Mitsuaki Isobe, Masahiko Goya, Kenzo Hirao
Aims: Some studies have shown that the type of atrial fibrillation (AF), whether paroxysmal AF (PAF) or persistent or permanent AF (PeAF), affects the incidence of ischaemic stroke. This study sought to determine the relationship between the AF pattern and the severity and brain volume of infarction in an AF population including transient ischaemic attack (TIA) patients. Methods and results: This was a retrospective observational study. We studied 161 consecutive patients who were admitted to our stroke care unit with cardiogenic embolism or TIA related to non-valvular AF (age 79 ± 9...
December 12, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29243981/assessment-of-intracranial-venous-blood-flow-after-subarachnoid-hemorrhage-a-new-approach-to-diagnose-vasospasm-with-transcranial-color-coded-duplex-sonography
#10
Florian Connolly, Stephan J Schreiber, Christoph Leithner, Georg Bohner, Peter Vajkoczy, José M Valdueza
OBJECTIVE Transcranial color-coded duplex sonography (TCCS) is a reliable tool that is used to assess vasospasm in the M1 segment of the middle cerebral artery (MCA) after subarachnoid hemorrhage (SAH). A distinct increase in blood flow velocity (BFV) is the principal criterion for vasospasm. The MCA/internal carotid artery (ICA) index (Lindegaard Index) is also widely used to distinguish between vasospasm and cerebral hyperperfusion. However, extracranial ultrasonography assessment of the neck vessels might be difficult in an intensive care unit...
December 15, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29243979/a-multi-institutional-analysis-of-the-untreated-course-of-cerebral-dural-arteriovenous-fistulas
#11
Bradley A Gross, Felipe C Albuquerque, Cameron G McDougall, Brian T Jankowitz, Ashutosh P Jadhav, Tudor G Jovin, Rose Du
OBJECTIVE The rarity of cerebral dural arteriovenous fistulas (dAVFs) has precluded analysis of their natural history across large cohorts. Investigators from a considerable proportion of the few reports that do exist have evaluated heterogeneous groups of untreated and partially treated lesions. In the present study, the authors exclusively evaluated the untreated course of dAVFs across a multi-institutional data set to delineate demographic, angiographic, and natural history data. METHODS A multi-institutional database of dAVFs was queried for demographic and angiographic data as well as untreated disease course...
December 15, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29243974/pediatric-cerebral-venous-sinus-thrombosis-or-compression-in-the-setting-of-skull-fractures-from-blunt-head-trauma
#12
David S Hersh, Nir Shimony, Mari L Groves, Gerald F Tuite, George I Jallo, Ann Liu, Tomas Garzon-Muvdi, Thierry A G M Huisman, Ryan J Felling, Joseph A Kufera, Edward S Ahn
OBJECTIVE Pediatric cerebral venous sinus thrombosis has been previously described in the setting of blunt head trauma; however, the population demographics, risk factors for thrombosis, and the risks and benefits of detection and treatment in this patient population are poorly defined. Furthermore, few reports differentiate between different forms of sinus pathology. A series of pediatric patients with skull fractures who underwent venous imaging and were diagnosed with intrinsic cerebral venous sinus thrombosis or extrinsic sinus compression is presented...
December 15, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29243449/are-we-ready-for-automated-optimal-cerebral-perfusion-pressure
#13
Katia Donadello, Leonardo Gottin
No abstract text is available yet for this article.
December 14, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29243332/extrinsic-and-intrinsic-blood-supply-to-the-optic-chiasm
#14
Céline Salaud, Stéphane Ploteau, Pauline Blery, Paul Pilet, Olivier Armstrong, Antoine Hamel
INTRODUCTION: Although there have been many studies of the arterial cerebral blood supply, only seven have described the optic chiasm (OC) blood supply and their results are contradictory. The aim of this study was to analyze the extrinsic and intrinsic OC blood supply on cadaveric specimens using dissections and microcomputer tomography (Micro-CT). MATERIALS AND METHODS: Thirteen human specimens were dissected and the internal or common carotid arteries were injected with red latex, China Ink with gelatin or barium sulfate...
December 15, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/29243326/three-dimensional-ultrasound-cranial-imaging-and-early-neurodevelopment-in-preterm-growth-restricted-infants
#15
Glenda McLean, Catherine Hough, Arvind Sehgal, Michael Ditchfield, Graeme R Polglase, Suzanne L Miller
AIM: Fetal growth restriction (FGR) is associated with increased perinatal morbidity, mortality and long-term neurodevelopmental sequelae. The objective of this study was to examine whether information about early neurodevelopmental deficits was evident using three-dimensional head ultrasound and developmental assessments in preterm infants with FGR, compared with appropriate for gestational age (AGA) infants in the early post-natal period. METHODS: Twenty preterm FGR infants weighing <10th centile and born between 28 and 32 weeks were compared with age-matched AGA infants...
December 15, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29243196/chronic-mild-hyperhomocysteinemia-alters-inflammatory-and-oxidative-nitrative-status-and-causes-protein-dna-damage-as-well-as-ultrastructural-changes-in-cerebral-cortex-is-acetylsalicylic-acid-neuroprotective
#16
Daniella de S Moreira, Paula W Figueiró, Cassiana Siebert, Caroline A Prezzi, Francieli Rohden, Fatima C R Guma, Vanusa Manfredini, Angela T S Wyse
Homocysteine is a sulfur-containing amino acid derived from methionine metabolism. When plasma homocysteine levels exceed 10-15 μM, there is a condition known as hyperhomocysteinemia, which occur as a result of an inborn error of methionine metabolism or by non-genetic causes. Mild hyperhomocysteinemia is considered a risk factor for development of neurodegenerative diseases. The objective of the present study was to evaluate whether acetylsalicylic acid has neuroprotective role on the effect of homocysteine on inflammatory, oxidative/nitrative stress, and morphological parameters in cerebral cortex of rats subjected to chronic mild hyperhomocysteinemia...
December 14, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/29243191/pharmacologically-induced-impairment-of-neurovascular-coupling-responses-alters-gait-coordination-in-mice
#17
Stefano Tarantini, Andriy Yabluchanksiy, Gábor A Fülöp, Peter Hertelendy, M Noa Valcarcel-Ares, Tamas Kiss, Jonathan M Bagwell, Daniel O'Connor, Eszter Farkas, Farzaneh Sorond, Anna Csiszar, Zoltan Ungvari
There is correlative evidence that impaired cerebral blood flow (CBF) regulation, in addition to promoting cognitive impairment, is also associated with alterations in gait and development of falls in elderly people. CBF is adjusted to neuronal activity via neurovascular coupling (NVC) and this mechanism becomes progressively impaired with age. To establish a direct cause-and-effect relationship between impaired NVC and gait abnormalities, we induced neurovascular uncoupling pharmacologically in young C57BL/6 mice by inhibiting the synthesis of vasodilator mediators involved in NVC...
December 14, 2017: GeroScience
https://www.readbyqxmd.com/read/29243173/magnetic-resonance-imaging-findings-of-two-cases-with-multinodular-and-vacuolating-neuronal-tumor
#18
Erkan Gökçe
Multinodular and vacuolating neuronal tumors (MVNT) are low grade neuronal tumors classified in cerebral tumors based on 2016 WHO central nerve system classification. Previously, MVNTs were probably tumors incidentally determined by imaging methods, but they could not be diagnosed or they were misdiagnosed. Two cases are reported in the present study, for which radiological imaging was carried out for epilepsy in one and for headache in the other. The first case was a twenty seven years old female patient with headache complaint...
December 14, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/29243157/why-is-a-prone-sleeping-position-dangerous-for-certain-infants
#19
Roger W Byard, Fiona Bright, Robert Vink
The prone (face down) sleeping position is known to be associated with a significantly increased risk of sudden and unexpected death in infancy (sudden infant death syndrome or SIDS), however, the reasons for this are unclear. Suggested mechanisms have involved suffocation from occlusion of the external airways by soft bedding/pillows or from flattening of the nose with backward displacement of the tongue, rebreathing of carbon dioxide, blunting of arousal responses with decreased cardiac responses to auditory stimulation, diaphragmatic splinting or fatigue, lowering of vasomotor tone with tachycardia, nasopharyngeal bacterial overgrowth, overheating, alteration of sleep patterns, compromise of cerebral blood flow and upper airway obstruction from distortion of nasal cartilages...
December 14, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/29243061/neuroprotective-effect-of-curcumin-against-cerebral-ischemia-reperfusion-via-mediating-autophagy-and-inflammation
#20
Lifa Huang, Chengwei Chen, Xin Zhang, Xu Li, Zupeng Chen, Chao Yang, Xiaolong Liang, Guochong Zhu, Zhen Xu
Curcumin, a polyphenolic compound extracted from Curcuma longa, has drawn attention for its effective bioactivities against ischemia-induced injury. This study aimed to evaluate the neuroprotective effect of curcumin and investigate the underlying mechanism that mediates autophagy and inflammation in an animal model of middle cerebral artery occlusion (MCAO) in rats. Curcumin was delivered to Sprague Dawley male rats at a dose of 200 mg/kg curcumin by intraperitoneal injection 30 min after ischemia-reperfusion (I/R)...
December 15, 2017: Journal of Molecular Neuroscience: MN
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