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https://www.readbyqxmd.com/read/28445774/voxresnet-deep-voxelwise-residual-networks-for-brain-segmentation-from-3d-mr-images
#1
REVIEW
Hao Chen, Qi Dou, Lequan Yu, Jing Qin, Pheng-Ann Heng
Segmentation of key brain tissues from 3D medical images is of great significance for brain disease diagnosis, progression assessment and monitoring of neurologic conditions. While manual segmentation is time-consuming, laborious, and subjective, automated segmentation is quite challenging due to the complicated anatomical environment of brain and the large variations of brain tissues. We propose a novel voxelwise residual network (VoxResNet) with a set of effective training schemes to cope with this challenging problem...
April 23, 2017: NeuroImage
https://www.readbyqxmd.com/read/28445615/status-epilepticus-in-dogs-and-cats-part-1-etiopathogenesis-epidemiology-and-diagnosis
#2
Susan Blades Golubovic, John H Rossmeisl
OBJECTIVE: To review current knowledge of the etiopathogenesis, diagnosis, and consequences of status epilepticus (SE) in veterinary patients. DATA SOURCES: Human and veterinary literature, including clinical and laboratory research and reviews. ETIOPATHOGENESIS: Status epilepticus is a common emergency in dogs and cats, and may be the first manifestation of a seizure disorder. It results from the failure of termination of an isolated seizure...
April 26, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28445601/status-epilepticus-in-dogs-and-cats-part-2-treatment-monitoring-and-prognosis
#3
Susan Blades Golubovic, John H Rossmeisl
OBJECTIVE: To discuss current anticonvulsant drug options and advances in treatment of status epilepticus (SE) and to review the prognosis associated with SE. TREATMENT: When treating a patient with SE, the main goals are to halt seizure activity, prevent further seizures, identify the cause of the seizures, and manage any complications. The veterinary literature indicates that benzodiazepines are the most common class of drugs used for the initial treatment of SE...
April 26, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28445240/evaluation-of-a-pediatric-early-warning-score-across-different-subspecialty-patients
#4
Nathan P Dean, J B Fenix, Michael Spaeder, Amanda Levin
OBJECTIVE: To evaluate the ability of a Pediatric Early Warning Score to predict deterioration in different subspecialty patient populations. DESIGN: Single center, retrospective cohort study. Patients were classified into five groups: 1) cardiac; 2) hematology/oncology/bone marrow transplant; 3) surgical; 4) neurologic; and 5) general medical. The relationship between the Pediatric Early Warning Score and unplanned ICU transfer requiring initiation of specific ICU therapies (intubation, high-flow nasal cannula, noninvasive ventilation, inotropes, or aggressive fluid hydration within 12 hr of transfer) was evaluated...
April 25, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28443428/the-ms-nurse-25-years-on
#5
Erin Dean
Emma Matthews became a multiple sclerosis (MS) specialist nurse after looking for a job that would let her build close relationships with patients and their families. Ms Matthews, who works at Northampton General Hospital four days a week, says working with patients to manage the progressive neurological condition has been incredibly satisfying.
April 26, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28440997/-neisseria-meningitidis-a-clinical-case-with-multi-organ-affection
#6
Alejandro Medina-Reyes, Beatriz Díaz-Polanco, Diego Sandoval-Chávez, Manuel Nodal-Hernández, Juan R Ayala-Franco
Neisseria meningitidis (Nm) is an agent feared for decades in the medical field due to its important morbidity and mortality. Ironically between 10 and 15% of the population will be asymptomatic carriers of this germ, which will also be ready to activate and manifest itself as a sickness at the right moment. We present the case of a nine-year-old girl who arrived at the Pediatric Emergency Service (to the Hospital General Region number 35, in Ciudad Juárez, Chihuahua) with the disease in multiple organs, where the Nm was isolated in the cerebrospinal fluid and in skin injuries, displaying three serotypes of Nm...
May 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28438841/practice-guideline-summary-sudden-unexpected-death-in-epilepsy-incidence-rates-and-risk-factors-report-of-the-guideline-development-dissemination-and-implementation-subcommittee-of-the-american-academy-of-neurology-and-the-american-epilepsy-society
#7
Cynthia Harden, Torbjörn Tomson, David Gloss, Jeffrey Buchhalter, J Helen Cross, Elizabeth Donner, Jacqueline A French, Anthony Gil-Nagel, Dale C Hesdorffer, W Henry Smithson, Mark C Spitz, Thaddeus S Walczak, Josemir W Sander, Philippe Ryvlin
OBJECTIVE: To determine the incidence rates of sudden unexpected death in epilepsy (SUDEP) in different epilepsy populations and address the question of whether risk factors for SUDEP have been identified. METHODS: Systematic review of evidence; modified Grading Recommendations Assessment, Development, and Evaluation process for developing conclusions; recommendations developed by consensus. RESULTS: Findings for incidence rates based on 12 Class I studies include the following: SUDEP risk in children with epilepsy (aged 0-17 years) is 0...
April 25, 2017: Neurology
https://www.readbyqxmd.com/read/28438556/the-brain-and-the-subjective-experience-of-time-a-voxel-based-symptom-lesion-mapping-study
#8
Luigi Trojano, Michelina Caccavale, Francesco De Bellis, Claudio Crisci
The aim of the study was to identify the anatomical bases involved in the subjective experience of time, by means of a voxel based symptom-lesion mapping (VLSM) study on patients with focal brain damage. Thirty-three patients (nineteen with right-hemisphere lesions -RBD, and fourteen with left lesion- LBD) and twenty-eight non-neurological controls (NNC) underwent the semi-structured QUEstionnaire for the Subjective experience of Time (QUEST) requiring retrospective and prospective judgements on self-relevant time intervals...
April 21, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28438223/extrastriatal-changes-in-patients-with-late-onset-glutaric-aciduria-type-i-highlight-the-risk-of-long-term-neurotoxicity
#9
Nikolas Boy, Jana Heringer, Renate Brackmann, Olaf Bodamer, Angelika Seitz, Stefan Kölker, Inga Harting
BACKGROUND: Without neonatal initiation of treatment, 80-90% of patients with glutaric aciduria type 1 (GA1) develop striatal injury during the first six years of life resulting in a complex, predominantly dystonic movement disorder. Onset of motor symptoms may be acute following encephalopathic crisis or insidious without apparent crisis. Additionally, so-called late-onset GA1 has been described in single patients diagnosed after the age of 6 years. With the aim of better characterizing and understanding late-onset GA1 we analyzed clinical findings, biochemical phenotype, and MRI changes of eight late-onset patients and compared these to eight control patients over the age of 6 years with early diagnosis and start of treatment...
April 24, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28437370/ethics-guide-recommendations-for-organ-donation-focused-physicians-endorsed-by-the-canadian-medical-association
#10
Sam D Shemie, Christy Simpson, Jeff Blackmer, Shavaun MacDonald, Sonny Dhanani, Sylvia Torrance, Paul Byrne
Donation physicians are specialists with expertise in organ and tissue donation and have been recognized internationally as a key contributor to improving organ and tissue donation services. Subsequent to a 2011 Canadian Critical Care Society-Canadian Blood Services consultation, the donation physician role has been gradually implemented in Canada. These professionals are generally intensive care unit physicians with an enhanced focus and expertise in organ/tissue donation. They must manage the dual obligation of caring for dying patients and their families while providing and/or improving organ donation services...
May 2017: Transplantation
https://www.readbyqxmd.com/read/28437351/one-stage-posterior-spinal-osteotomy-in-severe-spinal-deformities-a-total-of-147-cases
#11
Lei Xia, Ning Li, Dan Wang, Ming Liu, Jun-Wei Li, De-Ming Bao, Peng Li
STUDY DESIGN: This is a retrospective study. OBJECTIVES: The treatment of severe spinal deformities is still a difficult surgical challenge. It is generally significant to identify the related complications performed to a consecutive series of patients with severe spinal deformity and managed by 1-stage posterior spinal osteotomy. SUMMARY OF BACKGROUND DATA: We investigated data from 147 consecutive patients (75 males and 72 females) with severe deformity and managed by Smith-Petersen osteotomy, pedicle subtraction osteotomy, or vertebral column resection between years 2006 and 2012 with >2-year follow-up...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28436307/choice-of-anesthesia-for-endovascular-treatment-of-acute-ischemic-stroke-protocol-for-a-randomized-controlled-canvas-trial
#12
Yuming Peng, Yan Li, Minyu Jian, Xiaoyuan Liu, Jian Sun, Bo Jia, Jia Dong, Min Zeng, Nan Lin, Li Zhang, Adrian W Gelb, Matthew Tv Chan, Ruquan Han
Background Observational studies indicate that the type of anesthesia, local or general, may be associated with the post-procedural neurological function in patients with acute ischemic stroke undergoing endovascular treatment. However, these results need further confirmation, and the causal relationship has not yet been established. Methods This is a randomized controlled equivalence trial. Permuted block randomization stratified by culprit vessels will be used. Six hundred and forty patients with acute ischemic stroke undergoing endovascular recanalization will be randomized one to one to receive either general anesthesia or local anesthesia...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28435560/humeral-supracondylar-fractures-in-children-a-novel-technique-of-lateral-external-fixation-and-kirschner-wiring
#13
R Y Kow, A R Zamri, J K Ruben, S Jamaluddin, M T Mohd-Nazir
Introduction: Supracondylar fracture of the humerus is the most common fracture around the elbow in children. Pinning with Kirschner wires (K-wires) after open or closed reduction is generally accepted as the primary treatment modality. However, it comes with the risk of persistent instability and if the K-wire is not inserted properly, it may cause displacement and varus deformity. We present our two-year experience with a new technique of lateral external fixation and K-wiring of the humeral supracondylar fracture...
July 2016: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28435084/optimization-of-behavioural-tests-for-the-prediction-of-outcomes-in-mouse-models-of-focal-middle-cerebral-artery-occlusion
#14
Zhuoyu Wen, Xiaomeng Xu, Lili Xu, Lian Yang, Xiaohui Xu, Juehu A Zhu, Li Wu, Yongjun Jiang, Xinfeng Liu
Intraluminal middle cerebral artery occlusion (MCAO) is the most widely used model of stroke. We aimed to predict the outcome of MCAO using a combination of fine behavioural tests for the prediction of unsuccessful surgery in mice leading to no infarction, haemorrhage and unexpected death. MCAO was performed on adult mice under the guidance of laser-Doppler flowmetry (LDF) to warrant a decrease in regional cerebral blood flow (rCBF) in the MCA territory. Four outcomes of MCAO were defined according to histological analysis: infarction, no infarction, haemorrhage and unexpected death (death within 24 h post-surgery)...
April 20, 2017: Brain Research
https://www.readbyqxmd.com/read/28434869/worms-on-the-spectrum-c-elegans-models-in-autism-research
#15
REVIEW
Kathrin Schmeisser, J Alex Parker
The small non-parasitic nematode Caenorhabditis elegans is widely used in neuroscience thanks to its well-understood development and lineage of the nervous system. Furthermore, C. elegans has been used to model many human developmental and neurological conditions to better understand disease mechanisms and identify potential therapeutic strategies. Autism spectrum disorder (ASD) is the most prevalent of all neurodevelopmental disorders, and the C. elegans system may provide opportunities to learn more about this complex disorder...
April 20, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28434780/total-chemical-synthesis-of-methylated-analogues-of-histone-3-revealed-kdm4d-as-a-potential-regulator-of-h3k79me3
#16
Muhammad Jbara, Noga Guttmann-Raviv, Suman Kumar Maity, Nabieh Ayoub, Ashraf Brik
Histone H3 methylation plays an important role in regulating gene expression. In histones in general, this mark is dynamically regulated via various demethylases, which found to control cell fate decisions as well as linked to several diseases, including neurological and cancer. Despite major progress in studying methylation mark at various positions in H3 histone proteins, less is known about the regulation of methylated H3 at Lys79. Methylation at this site is known to have direct cross-talk with monoubiquitination of histone H2B at positions Lys120 and 34, as well as with acetylated H3 at Lys9...
April 12, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28434139/neurological-manifestations-of-atypical-celiac-disease-in-childhood
#17
Çiğdem Genç Sel, Erhan Aksoy, Ayşe Aksoy, Deniz Yüksel, Ferda Özbay
Various typical and atypical neurological manifestations can be seen as the initial symptoms of celiac disease (CD). We suggest that gluten toxicity is the most suspicious triggering risk factor for probable pathophysiological pathways of neurological involvement in atypical CD. The medical charts of 117 patients diagnosed with atypical CD were retrieved from a tertiary center in Ankara, Turkey. Eight patients reported as having neurologic manifestations as initiating symptoms were evaluated in detail. The initial neurological manifestations of CD in our study included atypical absence, which was reported first in this study, generalized tonic-clonic seizures, complex partial seizures, severe axial hypotonia and down phenotype, multifocal leukoencephalopathy, mild optic neuritis, attention deficit hyperactivity disorder, and short duration headaches...
April 22, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28433337/increased-resource-utilization-and-overall-morbidity-are-associated-with-general-versus-regional-anesthesia-for-carotid-endarterectomy-in-data-collected-by-the-michigan-surgical-quality-collaborative
#18
Ahmad S Hussain, Andrew Mullard, William F Oppat, Kevin D Nolan
OBJECTIVE: Advocates for performing carotid endarterectomy (CEA) under regional anesthesia (RA) cite reduction in hemodynamic instability and the ability for neurologic monitoring, but many still prefer general anesthesia (GA) as benefits of RA have not been clearly demonstrated, reliable RA may not be available in all centers, and a certain amount of movement by the patient during the procedure may not be uniformly tolerated. We evaluated the association of anesthesia type and perioperative morbidity and mortality as well as resource utilization in patients undergoing CEA using the Michigan Surgical Quality Collaborative (MSQC) database...
April 19, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28433105/symptomatic-treatment-of-neurologic-symptoms-in-wilson-disease
#19
Tomasz Litwin, Petr Dušek, Anna Członkowska
Wilson disease (WD) is a potentially treatable neurodegenerative disorder. In the majority of cases, treatment with drugs that induce a negative copper balance (usually chelators or zinc salts) leads to improvements in liver function and neurologic signs. However, some patients show severe neurologic symptoms at diagnosis, such as tremor, dystonia, parkinsonism, and chorea. In this patient group, some neurologic deficits may persist despite adequate treatment, and further neurologic deterioration may be observed after treatment initiation...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28433098/wilson-disease-in-children
#20
Eve A Roberts, Piotr Socha
Wilson disease (WD) is an inherited disorder mainly of hepatocellular copper disposition, due to dysfunction of the Wilson ATPase, a P1B-ATPase encoded by the gene ATP7B. In children, as in older age brackets, clinical disease is highly diverse. Although hepatic disease is the common presentation in children/adolescents, neurologic, psychiatric, and hematologic clinical presentations do occur. Very young children may have clinically evident liver disease due to WD. Early diagnosis, preferably when the child/adolescent is asymptomatic, is most likely to result in near-normal longevity with generally good health so long as the patient tolerates effective medication, is adherent to the lifelong treatment regimen, and has consistent access to the medication...
2017: Handbook of Clinical Neurology
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