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Global neurology

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https://www.readbyqxmd.com/read/27910739/overview-on-therapeutic-applications-of-microparticulate-drug-delivery-systems
#1
Swarna Bale, Amit Khurana, A Shiva Shankar Reddy, Mandip Singh, Chandraiah Godugu
Research in novel drug delivery systems is being explored competitively in order to attain maximum therapeutic effect while minimizing the adverse effects. Despite several advancements in pharmaceutical formulations, one of the major challenges still persisting is sustained drug release. Microencapsulation enacts as an intelligent approach with a strong therapeutic impact and is in demand globally in medical technology due to its specific and attractive properties, including biocompatibility, stability, target specificity, uniform encapsulation, better compliance, and controlled and sustained release patterns that are responsible for diminishing the toxicity and dosage frequency...
2016: Critical Reviews in Therapeutic Drug Carrier Systems
https://www.readbyqxmd.com/read/27906765/hemodynamic-disturbances-in-the-early-phase-after-subarachnoid-hemorrhage-regional-cerebral-blood-flow-studied-by-bedside-xenon-enhanced-ct
#2
Henrik Engquist, Anders Lewén, Tim Howells, Ulf Johnson, Elisabeth Ronne-Engström, Pelle Nilsson, Per Enblad, Elham Rostami
BACKGROUND: The mechanisms leading to neurological deterioration and the devastating course of delayed cerebral ischemia (DCI) after subarachnoid hemorrhage (SAH) are still not well understood. Bedside xenon-enhanced computerized tomography (XeCT) enables measurements of regional cerebral blood flow (rCBF) during neurosurgical intensive care. In the present study, CBF characteristics in the early phase after severe SAH were explored and related to clinical characteristics and early clinical course outcome...
November 30, 2016: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/27906103/progressive-impairment-of-cav1-1-function-in-the-skeletal-muscle-of-mice-expressing-a-mutant-type-1-cu-zn-superoxide-dismutase-g93a-linked-to-amyotrophic-lateral-sclerosis
#3
Donald Beqollari, Christin F Romberg, Gabriella Dobrowolny, Martina Martini, Andrew A Voss, Antonio Musarò, Roger A Bannister
BACKGROUND: Amyotrophic lateral sclerosis (ALS) is an adult-onset neurodegenerative disorder that is typically fatal within 3-5 years of diagnosis. While motoneuron death is the defining characteristic of ALS, the events that underlie its pathology are not restricted to the nervous system. In this regard, ALS muscle atrophies and weakens significantly before presentation of neurological symptoms. Since the skeletal muscle L-type Ca(2+) channel (CaV1.1) is a key regulator of both mass and force, we investigated whether CaV1...
June 23, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27903293/personalized-medicine-approach-confirms-a-milder-case-of-abat-deficiency
#4
A Besse, A K Petersen, J V Hunter, V Appadurai, S R Lalani, P E Bonnen
ABAT deficiency (OMIM 613163) is a rare inborn error of metabolism caused by recessive variants in the gene 4-aminobutyric acid transaminase (ABAT), which is responsible for both the catalysis of GABA and maintenance of nucleoside pools in the mitochondria. To date, only a few patients have been reported worldwide. Their clinical presentation has been remarkably consistent with primary features of severe psychomotor retardation, encephalopathy, hypotonia, and infantile-onset refractory epilepsy. We report a new case of ABAT deficiency that marks an important departure from previous clinical findings...
December 1, 2016: Molecular Brain
https://www.readbyqxmd.com/read/27896594/global-cerebral-ischemia-due-to-circulatory-arrest-insights-into-cellular-pathophysiology-and-diagnostic-modalities
#5
REVIEW
Santosh K Sanganalmath, Purva Gopal, John R Parker, Richard K Downs, Joseph C Parker, Buddhadeb Dawn
Circulatory arrest (CA) remains a major unresolved public health problem in the United States; the annual incidence of which is ~0.50 to 0.55 per 1000 population. Despite seminal advances in therapeutic approaches over the past several decades, brain injury continues to be the leading cause of morbidity and mortality after CA. In brief, CA typically results in global cerebral ischemia leading to delayed neuronal death in the hippocampal pyramidal cells as well as in the cortical layers. The dynamic changes occurring in neurons after CA are still unclear, and predicting these neurological changes in the brain still remains a difficult issue...
November 28, 2016: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/27893080/travel-associated-zika-virus-disease-acquired-in-the-americas-through-february-2016-a-geosentinel-analysis
#6
Davidson H Hamer, Kira A Barbre, Lin H Chen, Martin P Grobusch, Patricia Schlagenhauf, Abraham Goorhuis, Perry J J van Genderen, Israel Molina, Hilmir Asgeirsson, Phyllis E Kozarsky, Eric Caumes, Stefan H Hagmann, Frank P Mockenhaupt, Gilles Eperon, Elizabeth D Barnett, Emmanuel Bottieau, Andrea K Boggild, Philippe Gautret, Noreen A Hynes, Susan Kuhn, R Ryan Lash, Karin Leder, Michael Libman, Denis J M Malvy, Cecilia Perret, Camilla Rothe, Eli Schwartz, Annelies Wilder-Smith, Martin S Cetron, Douglas H Esposito
Background: Zika virus has spread rapidly in the Americas and has been imported into many nonendemic countries by travelers. Objective: To describe clinical manifestations and epidemiology of Zika virus disease in travelers exposed in the Americas. Design: Descriptive, using GeoSentinel records. Setting: 63 travel and tropical medicine clinics in 30 countries. Patients: Ill returned travelers with a confirmed, probable, or clinically suspected diagnosis of Zika virus disease seen between January 2013 and 29 February 2016...
November 22, 2016: Annals of Internal Medicine
https://www.readbyqxmd.com/read/27891018/legal-challenges-in-neurological-practice
#7
REVIEW
Sita Jayalakshmi, Sudhindra Vooturi
Clinical neuroscience has made tremendous advances over the last century. Neurology as a discipline is still considered challenging and at times risky due to the natural history and progressive course of few of the neurological diseases. Encouragingly, the patient and their caregivers are now increasingly willing to be actively involved in making decisions. The patients' relationship with the doctor is a reflection of the society. A society that is orienting itself toward "rating" and "feedback" has made this doctor-patient relationship, a consumer-service provider relationship...
October 2016: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/27890788/genetic-testing-among-spanish-pediatric-neurologists-knowledge-attitudes-and-practices
#8
J Domínguez-Carral, F J López-Pisón, A Macaya, M Bueno Campaña, M A García-Pérez, D Natera-de Benito
Advances in genetic testing applied to child neurology have enabled the development of genetic tests with greater sensitivity in elucidating an etiologic diagnosis for common neurological conditions. The objective of the current study was to examine child neurologists' perspectives and insights into genetic testing. We surveyed 118 Spanish child neurologists, exploring their knowledge, attitudes, and practices concerning genetic tests. All of them had requested at least one genetic test in the past six months...
November 24, 2016: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/27889838/changes-of-brain-metabolite-concentrations-during-maturation-in-different-brain-regions-measured-by-chemical-shift-imaging
#9
Eva Bültmann, Thomas Nägele, Heinrich Lanfermann, Uwe Klose
INTRODUCTION: We examined the effect of maturation on the regional distribution of brain metabolite concentrations using multivoxel chemical shift imaging. METHODS: From our pool of pediatric MRI examinations, we retrospectively selected patients showing a normal cerebral MRI scan or no pathologic signal abnormalities at the level of the two-dimensional 1H MRS-CSI sequence and an age-appropriate global neurological development, except for focal neurological deficits...
November 26, 2016: Neuroradiology
https://www.readbyqxmd.com/read/27886882/pharmacologic-management-of-acute-spinal-cord-injury
#10
REVIEW
Michael Karsy, Gregory Hawryluk
Spinal cord injury is a serious global public health problem that often leaves patients with devastating permanent disabilities. Although advances in supportive care have improved outcome in recent decades, there remains great need for a safe and efficacious medical treatment that improves neurologic outcome. This article reviews pharmacologic treatments evaluated or in the process of development in humans. Cellular transplantation strategies are briefly reviewed especially where they have been evaluated with pharmacologic treatments...
January 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/27883250/3d-tract-specific-local-and-global-analysis-of-white-matter-integrity-in-alzheimer-s-disease
#11
Yan Jin, Chao Huang, Madelaine Daianu, Liang Zhan, Emily L Dennis, Robert I Reid, Clifford R Jack, Hongtu Zhu, Paul M Thompson
Alzheimer's disease (AD) is a chronic neurodegenerative disease characterized by progressive decline in memory and other aspects of cognitive function. Diffusion-weighted imaging (DWI) offers a non-invasive approach to delineate the effects of AD on white matter (WM) integrity. Previous studies calculated either some summary statistics over regions of interest (ROI analysis) or some statistics along mean skeleton lines (Tract Based Spatial Statistic [TBSS]), so they cannot quantify subtle local WM alterations along major tracts...
November 24, 2016: Human Brain Mapping
https://www.readbyqxmd.com/read/27882909/european-initiative-for-the-application-of-the-international-classification-of-functioning-disability-and-health-development-of-clinical-assessment-schedules-for-specified-rehabilitation-services
#12
Birgit Prodinger, Anke Scheel-Sailer, Reuben Escorpizo, Gerold Stucki
BACKGROUND: Clinical assessment schedule (CLAS) is a core part of the ICF-based implementation of functioning reporting across health conditions and along the continuum of care. AIM: The Physical and Rehabilitation Medicine Section and Board of the European Union of Medical Specialists (UEMS PRM) workshop held in January 2016 aimed to develop and specify a CLAS within the context of rehabilitation services. SETTING: UEMS PRM Workshop in Nottwil, Switzerland, January 2016...
November 24, 2016: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27882258/dysmorphic-facial-features-and-other-clinical-characteristics-in-two-patients-with-pex1-gene-mutations
#13
Mehmet Gunduz, Ozlem Unal
Peroxisomal disorders are a group of genetically heterogeneous metabolic diseases related to dysfunction of peroxisomes. Dysmorphic features, neurological abnormalities, and hepatic dysfunction can be presenting signs of peroxisomal disorders. Here we presented dysmorphic facial features and other clinical characteristics in two patients with PEX1 gene mutation. Follow-up periods were 3.5 years and 1 year in the patients. Case I was one-year-old girl that presented with neurodevelopmental delay, hepatomegaly, bilateral hearing loss, and visual problems...
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/27871504/efficacy-and-safety-of-sugammadex-compared-to-neostigmine-for-reversal-of-neuromuscular-blockade-a-meta-analysis-of-randomized-controlled-trials
#14
REVIEW
Michele Carron, Francesco Zarantonello, Paola Tellaroli, Carlo Ori
BACKGROUND AND OBJECTIVE: Sugammadex has been introduced for reversal of rocuronium (or vecuronium)-induced neuromuscular blockade (NMB). Although its efficacy has been established, data are conflicting whether it is safer than neostigmine traditionally used for reversing NMB. DESIGN: Meta-analysis of data about effectiveness and safety of sugammadex compared to neostigmine for reversing NMB in adults was performed using the PRISMA methodology. SETTING: University medical hospital...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27869457/autosomal-dominant-cerebellar-ataxia-deafness-and-narcolepsy-adca-dn-associated-with-progressive-cognitive-and-behavioral-deterioration
#15
Lisa A S Walker, Pierre Bourque, Andra M Smith, Jodi Warman Chardon
Objective: Autosomal dominant cerebellar ataxia with deafness and narcolepsy (ADCA-DN) is an emerging syndrome caused by mutations in the C-terminus end of the TS domain of the DNMT1 gene. ADCA-DN is also associated with sensorimotor polyneuropathy, extrapyramidal, and dysautonomic signs, as well as dementia. Little has been reported about the progressive cognitive impairment associated with ADCA-DN. Our objective is to provide a detailed characterization of the cognitive profile of ADCA-DN. Method: Three members of a kindred with ADCA-DN underwent comprehensive neuropsychological testing and neuroimaging...
November 21, 2016: Neuropsychology
https://www.readbyqxmd.com/read/27867917/health-related-quality-of-life-in-brain-tumor-patients-treated-with-surgery-preliminary-result-of-a-single-institution
#16
Chang-Wook Kim, Jin-Deok Joo, Young-Hoon Kim, Jung Ho Han, Chae-Yong Kim
BACKGROUND: Alongside the extent of removal and patients' survival in the management of brain tumors, health-related quality of life (HRQOL) has become an important consideration. The purpose of this study is to evaluate the change of HRQOL in brain tumor patients before and after surgery and to assess the associated factors that contribute to the change of HRQOL. METHODS: A total of 258 patients who underwent surgical treatment were enrolled in this study. The European Organization for Research and Treatment of Cancer Quality of Life Questionnaire 30 (EORTC QLQ-C30) and the 20-item EORTC QLQ-Brain Neoplasm (QLQ-BN20) were used to assess HRQOL...
October 2016: Brain Tumor Research and Treatment
https://www.readbyqxmd.com/read/27866729/molecular-imaging-in-the-diagnosis-of-alzheimer-s-disease-and-related-disorders
#17
REVIEW
L Koric, E Guedj, M O Habert, F Semah, P Branger, P Payoux, F Le Jeune
INTRODUCTION: The diagnosis of Alzheimer's disease (AD) and its related disorders rely on clinical criteria. There is, however, a large clinical overlap between the different neurodegenerative diseases affecting cognition and, frequently, there are diagnostic uncertainties with atypical clinical presentations. Current clinical practices can now regularly use positron emission tomography (PET) and single-photon emission computed tomography (SPECT) molecular imaging to help resolve such uncertainties...
November 17, 2016: Revue Neurologique
https://www.readbyqxmd.com/read/27865451/astrocytic-contributions-to-synaptic-and-learning-abnormalities-in-a-mouse-model-of-fragile-x-syndrome
#18
Jennifer L Hodges, Xinzhu Yu, Anthony Gilmore, Hannah Bennett, Michelle Tjia, James F Perna, Chia-Chien Chen, Xiang Li, Ju Lu, Yi Zuo
BACKGROUND: Fragile X syndrome (FXS) is the most common type of mental retardation attributable to a single-gene mutation. It is caused by FMR1 gene silencing and the consequent loss of its protein product, fragile X mental retardation protein. Fmr1 global knockout (KO) mice recapitulate many behavioral and synaptic phenotypes associated with FXS. Abundant evidence suggests that astrocytes are important contributors to neurological diseases. This study investigates astrocytic contributions to the progression of synaptic abnormalities and learning impairments associated with FXS...
September 13, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/27862549/diffusion-tensor-imaging-defined-sulcal-enlargement-is-related-to-cognitive-impairment-in-multiple-sclerosis
#19
Zafer Keser, Khader M Hasan, Benson Mwangi, Refaat E Gabr, Flavia M Nelson
BACKGROUND AND PURPOSE: Cerebrospinal fluid (CSF) in the brain can be compartmentalized into two main divisions: ventricular CSF and subarachnoid space (sulcal CSF). Changes in CSF volumetry are seen in many neurological conditions including multiple sclerosis (MS) and found to correlate with clinical outcomes. We aimed to test the relation between the volumetry of sulcal and ventricular CSF and cognitive impairment (CI) based on the minimal assessment of cognitive function in MS (MACFIMS) in patients with MS...
November 7, 2016: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/27861415/decompressive-surgery-for-diabetic-neuropathy-waiting-for-incontrovertible-proof
#20
Martijn R Tannemaat, Mirjam Datema, J Gert van Dijk, Rajiv Midha, Martijn J A Malessy
: : Triple decompression surgery has been advocated as a treatment for diabetic peripheral neuropathy (DPN). A practice advisory published in 2006 by the American Academy of Neurology concluded that "this treatment alternative should be considered unproven." Since then, multiple cohort studies involving several thousands of patients and 1 nonblind, randomized, controlled trial have been published, suggesting that surgical treatment of DPN has become commonplace in many centers globally...
December 2016: Neurosurgery
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