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https://www.readbyqxmd.com/read/28107237/evaluating-a-posterior-approach-for-surgical-treatment-of-thoracolumbar-pseudarthrosis-in-ankylosing-spondylitis
#1
Ting Wang, Dechun Wang, Yanan Cong, Chuqiang Yin, Shuzhong Li, Xiaoliang Chen
STUDY DESIGN: Retrospective study of a posterior approach for surgical treatment of thoracolumbar pseudarthrosis in ankylosing spondylitis (AS). OBJECTIVE: The aim of the current study was to report the surgical results of symptomatic thoracolumbar pseudarthrosis in AS through a posterior approach. SUMMARY OF BACKGROUND DATA: Spinal pseudarthrosis is a well-known complication in AS. The condition may complicate with mechanical back pain, spinal deformity, and sometimes neurological deficits...
February 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28106800/frequency-and-pathological-phenotype-of-bovine-astrovirus-ch13-neuros1-infection-in-neurologically-diseased-cattle-towards-assessment-of-causality
#2
Senija Selimovic-Hamza, Céline L Boujon, Monika Hilbe, Anna Oevermann, Torsten Seuberlich
Next-generation sequencing (NGS) has opened up the possibility of detecting new viruses in unresolved diseases. Recently, astrovirus brain infections have been identified in neurologically diseased humans and animals by NGS, among them bovine astrovirus (BoAstV) CH13/NeuroS1, which has been found in brain tissues of cattle with non-suppurative encephalitis. Only a few studies are available on neurotropic astroviruses and a causal relationship between BoAstV CH13/NeuroS1 infections and neurological disease has been postulated, but remains unproven...
January 18, 2017: Viruses
https://www.readbyqxmd.com/read/28106787/anti-nmda-receptor-encephalitis-and-vaccination
#3
Hsiuying Wang
Anti-N-methyl-d-aspartate (Anti-NMDA) receptor encephalitis is an acute autoimmune neurological disorder. The cause of this disease is often unknown, and previous studies revealed that it might be caused by a virus, vaccine or tumor. It occurs more often in females than in males. Several cases were reported to be related to vaccination such as the H1N1 vaccine and tetanus/diphtheria/pertussis and polio vaccines. In this study, we reported an anti-NMDA receptor encephalitis case that may be caused by Japanese encephalitis vaccination...
January 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106525/open-and-endovascular-treatment-of-spinal-dural-arteriovenous-fistulas-a-10-year-experience
#4
Matthew J Koch, Christopher J Stapleton, Pankaj K Agarwalla, Collin Torok, John H Shin, Jean-Valery Coumans, Lawrence F Borges, Christopher S Ogilvy, James D Rabinov, Aman B Patel
OBJECTIVE Vascular malformations of the spine represent rare clinical entities with profound neurological implications. Previously reported studies on management strategies for spinal dural arteriovenous fistulas (sDAVFs) appeared before the advent of modern liquid embolic agents. Authors of the present study review their institutional experience with endovascularly and surgically treated sDAVFs. METHODS The authors performed a retrospective, observational, single-center case series on sDAVFs treated with endovascular embolization, microsurgical occlusion, or both between 2004 and 2013...
January 20, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28106498/performing-concurrent-operations-in-academic-vascular-neurosurgery-does-not-affect-patient-outcomes
#5
Corinna C Zygourakis, Janelle Lee, Julio Barba, Errol Lobo, Michael T Lawton
OBJECTIVE Concurrent surgeries, also known as "running two rooms" or simultaneous/overlapping operations, have recently come under intense scrutiny. The goal of this study was to evaluate the operative time and outcomes of concurrent versus nonconcurrent vascular neurosurgical procedures. METHODS The authors retrospectively reviewed 1219 procedures performed by 1 vascular neurosurgeon from 2012 to 2015 at the University of California, San Francisco. Data were collected on patient age, sex, severity of illness, risk of mortality, American Society of Anesthesiologists (ASA) status, procedure type, admission type, insurance, transfer source, procedure time, presence of resident or fellow in operating room (OR), number of co-surgeons, estimated blood loss (EBL), concurrent vs nonconcurrent case, severe sepsis, acute respiratory failure, postoperative stroke causing neurological deficit, unplanned return to OR, 30-day mortality, and 30-day unplanned readmission...
January 20, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28105569/the-spectrum-of-niemann-pick-type-c-disease-in-greece
#6
Irene Mavridou, Evangelia Dimitriou, Marie T Vanier, Lluisa Vilageliu, Daniel Grinberg, Philippe Latour, Athina Xaidara, Lilia Lycopoulou, Sevasti Bostantjopoulou, Dimitrios Zafeiriou, Helen Michelakakis
Niemann-Pick type C disease (NPC) is a neurovisceral lysosomal storage disease caused by mutations in either the NPC1 or the NPC2 gene. It is a cellular lipid trafficking disorder characterized by the accumulation of unesterified cholesterol and various sphingolipids in the lysosomes and late endosomes, and it exhibits a broad clinical spectrum. Today, over 420 disease-causing mutations have been identified in the NPC1 and the NPC2 genes. We present the clinical, biochemical, and molecular findings in 14 cases diagnosed in Greece during the last 28 years...
January 20, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28105556/chikungunya-infection-presenting-as-mild-encephalitis-with-a-reversible-lesion-in-the-splenium-a-case-report
#7
Kadam Nagpal, Puneet Agarwal, Amit Kumar, Rajashekhar Reddi
Chikungunya fever is an Aedes mosquito-transmitted infection caused by chikungunya virus, an RNA virus in the family Togaviridae. The disease is characteristically manifested as fever, arthralgia, and/or rash. Various neurological manifestations like meningoencephalitis, myelitis, and myeloneuropathy have been mentioned in various reports. We present a rare case of chikungunya fever presenting with mild encephalitis with a reversible lesion of the splenium (MERS), which showed complete clinical and radiological recovery...
January 19, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28105177/-18-f-fluoroethyl-l-tyrosine-positron-emission-tomography-guided-diagnosis-of-a-malignant-intramedullary-spinal-cord-tumor
#8
Sied Kebir, Okka Kimmich, Pitt Niehusmann, Florian C Gaertner, Markus Essler, Jennifer Landsberg, Thomas Klockgether, Matthias Simon, Ulrich Herrlinger, Martin Glas
Diagnosis in patients with a suspected malignant intramedullary lesion that requires biopsy for definitive diagnosis may be challenging, as spinal cord surgery carries the risk of irreversible neurological deficits. The current study presents the first case of (18)F-fluoroethyl-L-tyrosine ((18)F-FET) positron emission tomography (PET) imaging in a patient with a spinal cord tumor. The patient was unsuitable for magnetic resonance imaging due to his implanted cardiac defibrillator. (18)F-FET PET indicated a high-grade malignancy of the spinal cord, justifying tumor biopsy...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28104944/restricted-diffusion-in-the-corpus-callosum-a-neuroradiological-marker-in-hypoxic-ischemic-encephalopathy
#9
Alok Kale, Priscilla Joshi, A B Kelkar
BACKGROUND: Restricted diffusion within the splenium of the corpus callosum has been described by other authors in various conditions, however, restricted diffusion in the entire corpus callosum or isolated involvement of the splenium, genu, or body has been infrequently reported on magnetic resonance imaging (MRI) in neonatal hypoxic-ischemic encephalopathy. We report a series of cases showing different patterns of involvement. METHODS AND MATERIALS: Perinatal imaging with MRI including diffusion-weighted imaging was performed in 40 neonates with hypoxic-ischemic encephalopathy, including 11 premature neonates...
October 2016: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28104720/when-dizziness-becomes-sinister-oropharyngeal-carcinoma-presenting-as-a-paraneoplastic-neurological-disorder
#10
Li Yong, Panagiotis Asimakopoulos, Colin Mumford, Ioanna Fragkandrea Nixon
Paraneoplastic neurological disorders are uncommon presentations of head and neck cancers. We present a case of a 68-year-old male patient who presented with dizziness, nausea and memory problems. MRI of his brain showed bilateral cerebellar leptomeningeal enhancing signal abnormality with cervical lymphadenopathy. CT imaging of his neck raised the suspicion of a tonsillar primary, which was later confirmed on biopsy. His poorly differentiated HPV positive squamous cell carcinoma was treated with chemoradiotherapy...
January 19, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28104525/regional-spinal-cord-atrophy-is-associated-with-poor-outcome-after-surgery-on-intramedullary-spinal-cord-ependymoma-a-new-aspect-of-delayed-neurological-deterioration
#11
Bedjan Behmanesh, Florian Gessler, Johanna Quick-Weller, Andrea Spyrantis, Lioba Imöhl, Volker Seifert, Gerhard Marquardt
BACKGROUND: A considerable number of patients suffer delayed neurological deficits even after a successful removal of intramedullary spinal cord ependymoma. The underlying pathology remains unknown. Radiological findings could be an explanation for poor outcome after surgery. METHODS: We conducted a retrospective study of all cases treated from 1980 to 2016 in our department. Included were all patients with intramedullary spinal cord ependymoma treated with microsurgical excision...
January 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28104211/balloon-post-dilation-following-implantation-of-a-self-expanding-transcatheter-aortic-valve%C3%A2-bioprosthesis
#12
J Kevin Harrison, G Chad Hughes, Michael J Reardon, Robert Stoler, Paul Grayburn, Robert Hebeler, David Liu, Yanping Chang, Jeffrey J Popma
OBJECTIVES: This study sought to explore the impact of balloon post-dilation (BPD) on outcomes in the CoreValve US Clinical Trials. BACKGROUND: BPD following transcatheter aortic valve replacement (TAVR) has been used in selected cases to optimize hemodynamic results. METHODS: Procedural details of 3,532 patients were examined to determine whether BPD was performed after self-expanding TAVR. "Best practice" guidelines recommended BPD for treatment of suboptimal intraprocedural valve function, primarily manifested by moderate or severe residual aortic regurgitation (AR)...
January 23, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28103924/combination-therapy-in-a-patient-with-chronic-neuronopathic-gaucher-disease-a-case-report
#13
Ferdinando Ceravolo, Michele Grisolia, Simona Sestito, Francesca Falvo, Maria Teresa Moricca, Daniela Concolino
BACKGROUND: The variants of neuronopathic Gaucher disease may be viewed as a clinical phenotypic continuum divided into acute and chronic forms. The chronic neuronopathic form of Gaucher disease is characterized by a later onset of neurological symptoms and protracted neurological and visceral involvement. The first-choice treatment for nonneuronopathic Gaucher disease is enzyme replacement therapy with recombinant analogues of the deficient human enzyme glucocerebrosidase. Enzyme replacement therapy has been shown to improve hematological and bone manifestations associated with Gaucher disease, but, as with most proteins, recombinant enzymes cannot cross the blood-brain barrier, which prevents effects on neurological manifestations...
January 20, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28103821/genetic-polymorphisms-of-scn9a-are-associated-with-oxaliplatin-induced-neuropathy
#14
María Sereno, Gerardo Gutiérrez-Gutiérrez, Juan Moreno Rubio, María Apellániz-Ruiz, Lara Sánchez-Barroso, Enrique Casado, Sandra Falagan, Miriam López-Gómez, María Merino, César Gómez-Raposo, Nuria Rodriguez-Salas, Francisco Zambrana Tébar, Cristina Rodríguez-Antona
BACKGROUND: Oxaliplatin is a chemotherapy agent active against digestive tumors. Peripheral neuropathy is one of the most important dose-limiting toxicity of this drug. It occurs in around 60-80% of the patients, and 15% of them develop severe neuropathy. The pathophysiology of oxaliplatin neurotoxicity remains unclear. SCN9A is a gene codifying for a subtype sodium channel (type IX, subunit α) and mutations in this gene are involved in neuropathic perception. In this study we investigated whether SCN9A genetic variants were associated with risk of neurotoxicity in patients diagnosed of cancer on treatment with oxaliplatin...
January 19, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28103199/diagnostic-criteria-for-susac-syndrome
#15
Ilka Kleffner, Jan Dörr, Marius Ringelstein, Catharina C Gross, Yvonne Böckenfeld, Wolfram Schwindt, Benedikt Sundermann, Hubertus Lohmann, Heike Wersching, Julia Promesberger, Natascha von Königsmarck, Anne Alex, Rainer Guthoff, Catharina J M Frijns, L Jaap Kappelle, Sven Jarius, Brigitte Wildemann, Orhan Aktas, Friedemann Paul, Heinz Wiendl, Thomas Duning
BACKGROUND: Susac syndrome is characterised by the triad of encephalopathy with or without focal neurological signs, branch retinal artery occlusions and hearing loss. Establishment of the diagnosis is often delayed because the triad is complete only in a minority of patients at disease onset. This leads to a critical delay in the initiation of appropriate treatment. Our objective was to establish criteria for diagnosis of either definite or probable Susac syndrome. METHOD: The establishment of diagnostic criteria was based on the following three steps: (1) Definition of a reference group of 32 patients with an unambiguous diagnosis of Susac syndrome as assessed by all interdisciplinary experts of the European Susac Consortium (EuSaC) team (EuSaC cohort); (2) selection of diagnostic criteria, based on common clinical and paraclinical findings in the EuSaC cohort and on a review of the literature; and (3) validation of the proposed criteria in the previously published cohort of all Susac cases reported until 2012...
December 2016: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28103119/iatrogenic-spinal-cord-injury-in-a-trauma-patient-with-ankylosing-spondylitis
#16
Ahmad Maarouf, Colleen M McQuown, Jennifer A Frey, Rami A Ahmed, Lisa Derrick
BACKGROUND: The recommended practice for over 30 years has been to routinely immobilize patients with unstable cervical spinal injuries using cervical spinal collars. It is shown that patients with Ankylosing spondylitis (AS) are four times more likely to suffer a spinal fracture compared to the general population and have an eleven-fold greater risk of spinal cord injury. Current protocols of spinal immobilization were responsible for secondary neurologic deterioration in some of these patients...
January 19, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28102862/mutation-spectrum-in-the-abcc6-gene-and-genotype-phenotype-correlations-in-a-french-cohort-with-pseudoxanthoma-elasticum
#17
Anne Legrand, Laurence Cornez, Wafa Samkari, Jean-Michael Mazzella, Annabelle Venisse, Valérie Boccio, Karine Auribault, Boris Keren, Karelle Benistan, Dominique P Germain, Michael Frank, Xavier Jeunemaitre, Juliette Albuisson
PURPOSE: Pseudoxanthoma elasticum (PXE) is an autosomal recessive disorder caused by variants in the ABCC6 gene. Ectopic mineralization of connective tissues leads to skin, eye, and cardiovascular manifestations with considerable phenotypic variability of unknown cause. We aimed to identify genotype-phenotype correlations in PXE. METHODS: A molecular analysis was performed on 458 French PXE probands clinically evaluated using the Phenodex score (PS). Variant topographic analysis and genotype-phenotype correlation analysis were performed according to the number and type of identified variants...
January 19, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28102813/intramedullary-amputation-neuroma-a-case-report-and-review-of-the-literature
#18
Laura Stone McGuire, Mandana Behbahini, Sumit Das, David Loeffler, Peter Burger, Herbert Engelhard, Tibor Valyi-Nagy, Ankit Mehta
BACKGROUND AND IMPORTANCE: Amputation neuromas consist of non-neoplastic collections of myelinated axons and Schwann cells and typically arise in injured peripheral nerves. Rarely, however, neuromas occur within the spinal cord. Intramedullary amputation neuromas have been described both with and without a history of trauma within the peripheral nervous system. We report a rare case of an isolated intramedullary spinal cord amputation neuroma. CLINICAL PRESENTATION: This 43-year-old man presented with progressive and severe gait deterioration for ~ 7 years...
January 19, 2017: Clinical Neuropathology
https://www.readbyqxmd.com/read/28102623/ischemic-stroke-in-kawasaki-disease
#19
Wasana Prangwatanagul, Alisa Limsuwan
Pediatric stroke is considered to be rare. Stroke resulting from cerebral vasculitis is also uncommon in young children. With the increasing prevalence of Kawasaki disease (KD) diagnosis, this acquired vasculitis has been reported with various clinical presentations including neurological symptoms. Herein we describe the case of a KD patient presenting with stroke. A 15-month-old boy was referred due to stroke that occurred on the fifth day of febrile illness. He was initially admitted to another hospital due to fever and diarrhea...
January 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28102512/anti-phospholipid-syndrome-associated-with-schizophrenia-description-of-five-patients-and-review-of-the-literature
#20
Pikman Regina, Rotman Pnina, Aiman Natur, Levy Yair
Anti-phospholipid syndrome is an autoimmune disorder characterized by anti-phospholipid antibodies, arterial and venous thrombosis, pregnancy morbidity, and various neurological manifestations including psychiatric disorders. Higher incidence of various autoimmune disorders was found in schizophrenia. In addition, an association between the presence of anti-phospholipid antibodies and schizophrenia or psychosis was previously described, mainly as case reports. Although initially believed to be a result of neuroleptic treatment, the reasons for this association remain obscure...
January 19, 2017: Immunologic Research
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