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https://www.readbyqxmd.com/read/28734089/dementia-risk-and-prevention-by-targeting-modifiable-vascular-risk-factors
#1
REVIEW
Sana Tariq, Philip A Barber
The incidence of dementia is expected to double in the next 20 years and will contribute to heavy social and economic burden. Dementia is caused by neuronal loss that leads to brain atrophy years before symptoms manifest. Currently, no cure exists and extensive efforts are being made to mitigate cognitive impairment in late life in order to reduce the burden on patients, caregivers, and society. The most common type of dementia, Alzheimer's disease (AD), and vascular dementia (VaD) often co-exists in the brain and shares common, modifiable risk factors, which are targeted in numerous secondary prevention trials...
July 22, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28733853/cerebral-magnetic-resonance-findings-during-enzyme-replacement-therapy-in-mucopolysaccharidosis
#2
Yoshiko Matsubara, Osamu Miyazaki, Motomichi Kosuga, Torayuki Okuyama, Shunsuke Nosaka
BACKGROUND: Although enzyme replacement therapy (ERT) is an effective treatment for mucopolysaccharidosis (MPS) types I, II, IVA and VI, its effectiveness in children with central nervous system (CNS) disorders is said to be poor because the blood-brain barrier cannot be penetrated by ERT drugs. OBJECTIVE: To assess CNS involvement in mucopolysaccharidosis at the start of enzyme replacement therapy and to investigate the time course of ERT in the central nervous system...
July 21, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28733757/the-clinico-radiological-spectrum-of-dyke-davidoff-masson-syndrome-in-adults
#3
Zeynep Özözen Ayas, Kıyasettin Asil, Ruhsen Öcal
Dyke-Davidoff-Masson syndrome (DDMS) is characterized by cerebral hemiatrophy, seizure, contralateral hemiplegia/hemiparesis, and mental retardation. In this study, clinical and radiological investigations of seven patients who were diagnosed with DDMS as adult age were evaluated and discussed. Seven patients (four male, three female) were included. The mean age ± SD of the patients was 46 ± 21 years. Clinical presentation of six patients was epileptic seizure. One patient was presented with head trauma due to a fall...
July 21, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28728837/epileptic-apnea-in-a-patient-with-inherited-glycosylphosphatidylinositol-anchor-deficiency-and-pigt-mutations
#4
Kosuke Kohashi, Akihiko Ishiyama, Shota Yuasa, Tomomi Tanaka, Kazushi Miya, Yuichi Adachi, Noriko Sato, Hirotomo Saitsu, Chihiro Ohba, Naomichi Matsumoto, Yoshiko Murakami, Taroh Kinoshita, Kenji Sugai, Masayuki Sasaki
We report an 11-month-old boy with acetazolamide-responsive epileptic apnea and inherited glycosylphosphatidylinositol (GPI)-anchor deficiency who presented with decreased serum alkaline phosphatase associated with compound PIGT mutations. The patient exhibited congenital anomalies, severe intellectual disability, and seizures, including epileptic apnea with epileptiform discharges from bilateral temporal areas. Brain magnetic resonance imaging revealed delayed myelination and progressive atrophy of the brainstem, cerebellum, and cerebrum...
July 17, 2017: Brain & Development
https://www.readbyqxmd.com/read/28724747/interleukin-1-receptor-in-seizure-susceptibility-after-traumatic-injury-to-the-pediatric-brain
#5
Bridgette D Semple, Terence J O'Brien, Kayleen Gimlin, David K Wright, Shi Eun Kim, Pablo M Casillas-Espinosa, Kyria M Webster, Steven Petrou, Linda J Noble-Haeusslein
Epilepsy after pediatric traumatic brain injury (TBI) is associated with poor quality of life. This study aimed to characterize post-traumatic epilepsy in a mouse model of pediatric brain injury, and to evaluate the role of interleukin-1 (IL-1) signaling as a target for pharmacological intervention. Male mice received a controlled cortical impact or sham surgery at postnatal day 21, approximating a toddler-aged child. Mice were treated acutely with an IL-1 receptor antagonist (IL-1Ra; 100 mg/kg s.c.) or vehicle...
July 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28718234/paediatrics-brain-imaging-in-epilepsy-common-presenting-symptoms-and-spectrum-of-abnormalities-detected-on-mri
#6
Azmat Ali, Faiza Akram, Ghayyur Khan, Shaukat Hussain
BACKGROUND: Epilepsy, a common neurological disorder can present at any age and has a number of aetiologies with underlying brain disease being the most common aetiology. Brain imaging becomes important and mandatory in the work up for epilepsy in localization and lateralization of the seizure focus. METHODS: This cross-sectional study was conducted in the department of Radiology Ayub Medical Teaching Institution Abbottabad from 1st March 2015 to 31st March 2016...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28716235/psychosis-in-parkinson-s-disease-from-the-soft-signs-to-the-hard-science
#7
REVIEW
Abhishek Lenka, Priyantha Herath, Rita Christopher, Pramod Kumar Pal
Patients with Parkinson's disease (PD) may develop a wide spectrum of non-motor symptoms during the course of illness. Psychosis is one such commonly observed non-motor symptoms of PD. Although several studies based on neuroimaging, genetics, retinal imaging, and neuropsychological evaluations have explored the pathogenesis of psychosis in PD; exact neural correlates are yet to be understood. Identification of factors related to psychosis in PD is important, as psychosis has been reported to be associated with higher rates of mortality, caregiver distress, and nursing home placements...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28714494/computerized-axial-tomography-findings-in-children-with-afebrile-seizures-a-hospital-based-study-at-eastern-nepal
#8
P Poudel, M K Gupta, S P Kafle
BACKGROUND: Computerized Tomography can be performed in resource limited areas where Magnetic Resonance Imaging is less practical. This study was conducted to find out the proportion of cases with abnormal CT scan and findings of CT scan in children with afebrile seizures in a resource limited area. METHODS: This prospective study was conducted from 1st July 2009 to 31st March 2014 in a university hospital of Nepal. Patients (1 month to 20 years of age) presenting with history of afebrile seizure were included...
January 2017: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28713925/the-atrophy-of-white-and-gray-matter-volume-in-patients-with-comitant-strabismus-evidence-from-a-voxel-based-morphometry-study
#9
Jun Ouyang, Lu Yang, Xin Huang, Yu-Lin Zhong, Pei-Hong Hu, Ying Zhang, Chong-Gang Pei, Yi Shao
To compare the difference in white matter volume (WMV) and gray matter volume (GMV) between the comitant strabismus (CS) patients and health controls by voxel-based morphometry (VBM) and the relationship with behavioral performance. A total of 20 patients with comitant strabismus (10 males and 10 females), and 20 healthy subjects (10 males and 10 females) with matched age, sex status underwent magnetic resonance examination. The authors analyzed the original 3D T1 brain images using the VBM module. The comitant strabismus groups were compared with the control groups for the GMW and WMV of the entire brain...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28711740/early-manifestations-of-epileptic-encephalopathy-brain-atrophy-and-elevation-of-serum-neuron-specific-enolase-in-a-boy-with-beta-propeller-protein-associated-neurodegeneration
#10
Kyoko Takano, Kazuya Goto, Mitsuo Motobayashi, Keiko Wakui, Rie Kawamura, Tomomi Yamaguchi, Yoshimitsu Fukushima, Tomoki Kosho
Mutations in WDR45 are responsible for beta-propeller protein-associated neurodegeneration (BPAN), which is an X-linked form of neurodegeneration with brain iron accumulation. BPAN mainly affects females and is characterized by seizures and developmental delay or intellectual disability until adolescence or early adulthood, followed by severe dystonia, parkinsonism, and progressive dementia. However, rare male patients have recently been reported with hemizygous germline mutations in WDR45 and severe clinical manifestations, such as epileptic encephalopathies...
July 12, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28711407/severe-neuroimaging-anomalies-are-usually-associated-with-random-x-inactivation-in-leucocytes-circulating-dna-in-x-linked-dominant-incontinentia-pigmenti
#11
Volodia Dangouloff-Ros, Smail Hadj-Rabia, Judite Oliveira Santos, Elodie Bal, Isabelle Desguerre, Manoelle Kossorotoff, Isabelle An, Asma Smahi, Christine Bodemer, Arnold Munnich, Julie Steffann, Nathalie Boddaert
Incontinentia Pigmenti (IP) is a skin disorder with neurological impairment in 30% of cases. The most common disease causing mutation is a deletion of exons 4-10 of the IKBKG gene, located on chromosome Xq28, with skewed X-chromosome inactivation in females, but few cases of random X-inactivation have been reported. We have correlated brain anomalies with X-chromosome inactivation status determined on leucocytes circulating DNA. We reviewed MRI of 18 girls with genetically proven IP. We found three patterns of MRI, normal MRI (n=5), mild white matter abnormalities with cortical and corpus callosum atrophy (n=6), and severe cortical abnormalities suggesting a vascular disease (n=7)...
July 10, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28710667/parkinson-s-disease-with-mild-cognitive-impairment-severe-cortical-thinning-antedates-dementia
#12
Carmen Gasca-Salas, Daniel García-Lorenzo, David Garcia-Garcia, Pedro Clavero, José A Obeso, Stephane Lehericy, María C Rodríguez-Oroz
Mild cognitive impairment (MCI) in Parkinson's disease (PD) is a risk factor for dementia and thus, it is of interest to elucidate if specific patterns of atrophy in PD-MCI patients are associated with a higher risk of developing dementia. We aim to define pattern(s) of regional atrophy in PD-MCI patients who developed dementia during 31 months of follow-up using cortical thickness analysis Twenty-three PD-MCI patients and 18 controls underwent brain MRI and completed a neuropsychological examination at baseline, PD-MCI patients were followed after a 31 month follow-up in order to assess their progression to dementia...
July 14, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28709938/a-cross-sectional-comparison-of-brain-glucose-and-ketone-metabolism-in-cognitively-healthy-older-adults-mild-cognitive-impairment-and-early-alzheimer-s-disease
#13
E Croteau, C A Castellano, M Fortier, C Bocti, T Fulop, N Paquet, S C Cunnane
INTRODUCTION: Deteriorating brain glucose metabolism precedes the clinical onset of Alzheimer's disease (AD) and appears to contribute to its etiology. Ketone bodies, mainly β-hydroxybutyrate and acetoacetate, are the primary alternative brain fuel to glucose. Some reports suggest that brain ketone metabolism is unchanged in AD but, to our knowledge, no such data are available for MCI. OBJECTIVE: To compare brain energy metabolism (glucose and acetoacetate) and some brain morphological characteristics in cognitively healthy older adult controls (CTL), mild cognitive impairment (MCI) and early AD...
July 11, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28709123/subclinical-white-matter-lesions-and-medial-temporal-lobe-atrophy-are-associated-with-eeg-slowing-in-a-memory-clinic-cohort
#14
Milica G Kramberger, Katarina Giske, Lena Cavallin, Ingemar Kåreholt, Thomas Andersson, Bengt Winblad, Vesna Jelic
OBJECTIVE: The aim of the study was to describe the relationship between electroencephalographic (EEG) findings obtained by standardized visual analysis, subclinical white matter lesions (WML) and brain atrophy in a large memory clinic population. METHODS: Patients with Alzheimer's disease (AD, n=58), mild cognitive impairment (MCI, n=141), subjective cognitive impairment (SCI, n=194) had clinical, MRI based WML severity and regional atrophy assessments, and routine resting EEG recording...
June 15, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28707338/evaluation-of-interthalamic-adhesion-size-as-an-indicator-of-brain-atrophy-in-dogs-with-and-without-cognitive-dysfunction
#15
Daji Noh, Sooyoung Choi, Hojung Choi, Youngwon Lee, Kija Lee
Interthalamic adhesion thickness has been previously described as a parameter for quantifying canine brain atrophy and hypothesized to correlate with brain height or ventricular size. However, studies testing this hypothesis are lacking. This retrospective cross-sectional study aimed to compare interthalamic adhesion thickness, interthalamic adhesion thickness/brain height ratio, and interthalamic adhesion thickness/brain height ratio/lateral ventricle to brain height ratio values in dogs with and without cognitive dysfunction...
July 13, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28707035/cerebellar-ataxia-and-obstructive-hydrocephalus-rare-neurologic-presentations-in-patients-with-systemic-lupus-erythematosus
#16
REVIEW
Hamdy Mohamed Abdelaziz Ahmed, Rasmia El-Gohary, Fatema Fayed, Hala El-Gendy
The first cases of systemic lupus erythematosus (SLE) with effects on the nervous system were reported more than 100 years ago. Cerebellar involvement and obstructive hydrocephalus are rarely encountered in patients with SLE. We report two patients with SLE who developed cerebellar ataxia. The first patient presented with significant headache at time of SLE diagnosis and negative brain imaging studies on initial evaluation. The headache recurred with findings of cerebellar ataxia and obstructive hydrocephalus...
July 13, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28706983/preimplantation-kidney-biopsies-of-extended-criteria-donors-have-a-heavier-inflammatory-burden-than-kidneys-from-standard-criteria-donors
#17
Camila M Mazeti-Felicio, Heloisa C Caldas, Ida M M Fernandes-Charpiot, Camila Z Dezotti, Maria A S F Baptista, Mario Abbud-Filho
BACKGROUND: Donors after brain death develop a systemic proinflammatory state that may predispose the kidneys to injury after transplantation. Because it is not known whether this inflammatory environment similarly affects the kidneys from expanded criteria donor (ECD) and standard criteria donors (SCD), we sought to evaluate differences in the gene expression of inflammatory cytokines in preimplantation biopsies (PIBx) from ECD and SCD kidneys. METHODS: Cytokines gene expression was measured in 80 PIBx (SCD, 52; ECD, 28) and associated with donor variables...
July 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28706852/neurological-software-tool-for-reliable-atrophy-measurement-neurostream-of-the-lateral-ventricles-on-clinical-quality-t2-flair-mri-scans-in-multiple-sclerosis
#18
Michael G Dwyer, Diego Silva, Niels Bergsland, Dana Horakova, Deepa Ramasamy, Jaqueline Durfee, Manuela Vaneckova, Eva Havrdova, Robert Zivadinov
BACKGROUND: There is a need for a brain volume measure applicable to the clinical routine scans. Nearly every multiple sclerosis (MS) protocol includes low-resolution 2D T2-FLAIR imaging. OBJECTIVES: To develop and validate cross-sectional and longitudinal brain atrophy measures on clinical-quality T2-FLAIR images in MS patients. METHODS: A real-world dataset from 109 MS patients from 62 MRI scanners was used to develop a lateral ventricular volume (LVV) algorithm with a longitudinal Jacobian-based extension, called NeuroSTREAM...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28706504/hypertrophic-olivary-degeneration-and-palatal-or-oculopalatal-tremor
#19
REVIEW
Caroline Tilikete, Virginie Desestret
Hypertrophic degeneration of the inferior olive is mainly observed in patients developing palatal tremor (PT) or oculopalatal tremor (OPT). This syndrome manifests as a synchronous tremor of the palate (PT) and/or eyes (OPT) that may also involve other muscles from the branchial arches. It is associated with hypertrophic inferior olivary degeneration that is characterized by enlarged and vacuolated neurons, increased number and size of astrocytes, severe fibrillary gliosis, and demyelination. It appears on MRI as an increased T2/FLAIR signal intensity and enlargement of the inferior olive...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28706481/adverse-effects-of-the-apolipoprotein-e-%C3%AE%C2%B54-allele-on-episodic-memory-task-switching-and-gray-matter-volume-in-healthy-young-adults
#20
Jianfei Nao, Hongzan Sun, Qiushi Wang, Shuang Ma, Shuo Zhang, Xiaoyu Dong, Ying Ma, Xiaoming Wang, Dongming Zheng
Many studies have shown that healthy elderly subjects and patients with Alzheimer's disease (AD) who carry the apolipoprotein E (ApoE) ε4 allele have worse cognitive function and more severe brain atrophy than non-carriers. However, it remains unclear whether this ApoE polymorphism leads to changes of cognition and brain morphology in healthy young adults. In this study, we used an established model to measure verbal episodic memory and core executive function (EF) components (response inhibition, working memory and task switching) in 32 ApoE ε4 carriers and 40 non-carriers between 20 years and 40 years of age...
2017: Frontiers in Human Neuroscience
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