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Cerebrospinal fluid

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https://www.readbyqxmd.com/read/29150899/p-arg69trp-in-rnaseh2c-is-a-founder-variant-in-three-indian-families-with-aicardi-gouti%C3%A3-res-syndrome
#1
Malavika Hebbar, Anil Kanthi, Aroor Shrikiran, Snehal Patil, Mamta Muranjan, Febi Francis, Vishnu Bhat B, Katta M Girisha, Anju Shukla
Aicardi-Goutières syndrome is an early-onset severe neurological disorder characterized by intracranial calcification, white matter abnormalities, hepatosplenomegaly, cerebrospinal fluid lymphocytosis, and elevated interferon-α levels, thus mimicking congenital viral infections. It is a genetically heterogeneous condition and autosomal recessive and autosomal dominant forms with variations in seven genes known till date. Variations in RNASEH2C cause an autosomal recessive form of AGS. Here we report three Indian families with variant, c...
November 17, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29150776/hyperpyrexia-as-the-presenting-symptom-of-intracranial-hypotension
#2
Omar Hussein, Michel Torbey
INTRODUCTION: Hyperpyrexia is a severely elevated core body temperature secondary to an elevated hypothalamic set thermo-regulatory threshold. Hyperthermia is an elevated core body temperature beyond the normal hypothalamic set thermo-regulatory threshold. Intracranial hypotension can present with a wide variety of symptoms ranging from orthostatic headache up to coma. We report a rare case of hyperpyrexia associated with intracranial hypotension. METHODS: A case report of a 55-year-old female patient with a history of angiogram-negative subarachnoid hemorrhage status post-ventriculoperitoneal (VP) shunt placement six years prior to admission who suddenly developed encephalopathy and high fever...
November 17, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/29150375/type-i-interferon-and-proinflammatory-cytokine-levels-in-cerebrospinal-fluid-of-newborns-with-rotavirus-associated-leukoencephalopathy
#3
Kyung Yeon Lee, Chang Hoon Moon, Seong Hoon Choi
OBJECTIVE: The purpose of this study was to identify whether there is an increase in type I interferon and proinflammatory cytokine levels in the cerebrospinal fluid of newborns with rotavirus-associated leukoencephalopathy. METHODS: Levels of type I interferons (interferon-alpha and interferon-beta) and proinflammatory cytokines (interleukin-6 and interferon-gamma) were measured in the cerebrospinal fluid of 23 newborns with rotavirus-associated leukoencephalopathy (patient group) and 39 infants under 90 days-of-age (control group)...
November 14, 2017: Brain & Development
https://www.readbyqxmd.com/read/29150269/potential-role-of-the-virchow-robin-space-in-the-pathogenesis-of-bacterial-meningitis
#4
Patrick Chan, Denis J Meerdink, James A Uchizono
Meningitis is an infectious disease commonly arising from a bacterial etiology. The rapid progression of morbidity and mortality due to bacterial meningitis requires critical and imminent time-dependent clinical intervention. Although it is unambiguously clear that bacteria must infiltrate the cerebrospinal fluid, the sequence of events in the pathogenesis of bacterial meningitis has not been fully elucidated. Most reviews of the pathogenesis of bacterial meningitis do not specify the anatomical location of bacteria following BBB traversal...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29149390/decompressive-craniectomy-and-csf-disorders-in-children
#5
Marie Manfiotto, Carmine Mottolese, Alexandru Szathmari, Pierre-Aurelien Beuriat, Olivier Klein, Matthieu Vinchon, Edouard Gimbert, Thomas Roujeau, Didier Scavarda, Michel Zerah, Federico Di Rocco
INTRODUCTION: Decompressive craniectomy (DC) is a lifesaving procedure but is associated to several post-operative complications, namely cerebrospinal fluid (CSF) dynamics impairment. The aim of this multicentric study was to evaluate the incidence of such CSF alterations after DC and review their impact on the overall outcome. MATERIAL AND METHODS: We performed a retrospective multicentric study to analyze the CSF disorders occurring in children aged from 0 to 17 years who had undergone a DC for traumatic brain injury (TBI) in the major Departments of Pediatric Neurosurgery of France between January 2006 and August 2016...
October 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29148389/angiostrongylus-cantonensis-dna-in-cerebrospinal-fluid-of-persons-with-eosinophilic-meningitis-laos
#6
Damien K Y Ming, Sayaphet Rattanavong, Tehmina Bharucha, Onanong Sengvilaipaseuth, Audrey Dubot-Pérès, Paul N Newton, Matthew T Robinson
Definitive identification of Angiostrongylus cantonensis parasites from clinical specimens is difficult. As a result, regional epidemiology and burden are poorly characterized. To ascertain presence of this parasite in patients in Laos with eosinophilic meningitis, we performed quantitative PCRs on 36 cerebrospinal fluid samples; 4 positive samples confirmed the parasite's presence.
December 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29148023/fluid-structure-interaction-model-analysis-of-cerebrospinal-fluid-circulation-in-patients-with-continuous-flow-left-ventricular-assist-devices
#7
Jessica G Y Luc, Clifford A Pierre, Kevin Phan, Yashar S Vahedein, Alexander S Liberson, William K Cornwell, Steven J Phillips, Vakhtang Tchantchaleishvili
PURPOSE: The current 1-dimensional fluid structure interaction model (FSI) for understanding cerebrospinal fluid (CSF) circulation requires pulsatility as a precondition and has not been applied to patients with continuous-flow left ventricular assist devices (CF-LVAD) where pulsatility is chronically reduced. Our study aims to characterize the behavior of CSF pressure and flow in patients with CF-LVADs using a computational FSI model. METHODS: Utilizing the computational FSI model, CSF production in choroid plexuses of the 4 ventricles was specified as a boundary condition for the model...
November 16, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/29146032/clinical-signs-diagnosis-and-treatment-of-encephalitozoon-cuniculi-infection-in-rabbits
#8
REVIEW
Frank Künzel, Peter G Fisher
Central vestibular dysfunction caused by Encephalitozoon cuniculi frequently mimics the condition of a peripheral disorder. A negative antibody titer rules out E cuniculi as the cause of present clinical signs. Cerebrospinal fluid analysis including polymerase chain reaction is considered an inappropriate diagnostic method for in vivo diagnosis of encephalitozoonosis. The usefulness of glucocorticoid anti-inflammatories in the treatment of encephalitozoonosis is called into question. Encouraging activity early in the course of disease and adding in therapeutic exercise may represent the most important part of therapy in rabbits with vestibular dysfunction associated with encephalitozoonosis...
January 2018: Veterinary Clinics of North America. Exotic Animal Practice
https://www.readbyqxmd.com/read/29146003/imaging-features-of-rosette-forming-glioneuronal-tumours
#9
L Gao, F Han, Y Jin, J Xiong, Y Lv, Z Yao, J Zhang
AIM: To describe the imaging features of rosette-forming glioneuronal tumours (RGNTs) to enable accurate diagnosis. MATERIALS AND METHODS: Image data and clinical findings for seven patients with histopathologically confirmed RGNTs were studied comprehensively. RESULTS: Six neoplasms were located near the midline and all were relatively well circumscribed. Most lesions were hypointense on T1-weighted images and hyperintense on T2-weighted images...
November 13, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/29145656/refining-operative-strategies-for-optic-nerve-decompression-a-morphometric-analysis-of-transcranial-and-endoscopic-endonasal-techniques-using-clinical-parameters
#10
Steven L Gogela, Lee A Zimmer, Jeffrey T Keller, Norberto Andaluz
BACKGROUND: Various approaches can be considered for decompression of the intracanalicular optic nerve. Although clinical experience has been reported, no quantitative study has yet compared the extent of decompression achieved by an endoscopic endonasal versus transcranial approach. OBJECTIVE: Toward this aim, our morphometric analysis compared both approaches by quantifying the circumferential degree of optic canal decompression that is possible before any meningeal violation, which would result in cerebrospinal fluid (CSF) leak...
May 3, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29145343/anterior-release-and-nonstructural-bone-grafting-and-posterior-fixation-for-old-lower-cervical-dislocations-with-locked-facets
#11
Chen Ding, Ting-Kui Wu, Quan Gong, Tao Li, Li-Tai Ma, Bei-Yu Wang, Yu-Xiao Deng, Hao Liu
Lower cervical dislocations are often missed at the time of initial injury for several reasons. The treatment of old facet dislocations of the lower cervical spine is difficult, and the optimal method has not been established. The objective of the present study was to evaluate the clinical outcomes of a surgical technique, anterior release, and nonstructural bone grafting combined with posterior fixation, for the treatment of old lower cervical dislocations with locked facets.This was a retrospective study of 17 patients (13 men and 4 women) with old facet dislocations, who underwent the same surgical treatment at our hospital between April 2010 and January 2016...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145302/burkitt-lymphoma-and-cavernous-sinus-syndrome-with-breast-uptake-on-18f-fdg-pet-ct-a-case-report
#12
Florette Reyneke, Neo Mokgoro, Mariza Vorster, Mike Sathekge
RATIONALE: Burkitt lymphoma (BL) is a type of non-Hodgkin lymphoma that arises in the B-cells. Cavernous sinus involvement is rare, especially in adults. Here we report an unusual case of a 30-year-old HIV-positive woman with BL and cavernous sinus syndrome who also had intense bilateral breast uptake, related to menstrual cycle. Fluorine-18 2-fluoro-2-deoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) has been found to be useful in the management of BL. PATIENT CONCERNS: A 30-year old female patient presented with a history of diplopia and headache...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29144957/fluconazole-levels-in-serum-and-cerebrospinal-fluid-according-to-daily-dosage-in-patients-with-cryptococcosis-and-other-fungal-infections
#13
Letícia Aparecida Schiave, Erika Nascimento, Fernando Crivelenti Vilar, Tissiana Marques de Haes, Osvaldo Massaiti Takayanagui, Cristiane Masetto de Gaitani, Roberto Martinez
Fluconazole is extensively used for the treatment of candidiasis and cryptococcosis. Among other factors, successful treatment is related to appropriate fluconazole levels in blood and cerebrospinal fluid (CSF). In the present study, fluconazole levels were determined in 15 patients, 14 of whom had AIDS and 13 had neurocryptococcosis. The only selection criterion was treatment with fluconazole, which was performed with a generic or similar form of the drug. Fluconazole level was determined by high performance liquid chromatography and the susceptibility profile of Cryptococcus spp...
November 13, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29144890/comprehensive-analysis-of-patients-with-neuromyelitis-optica-spectrum-disorder-nmosd-combined-with-chronic-hepatitis-b-chb-infection-and-seropositive-for-anti-aquaporin-4-antibody
#14
Jia Liu, Li Xu, Zhuo-Lin Chen, Min Li, Huan Yi, Fu-Hua Peng
Previous research indicated the association between hepatitis B virus (HBV) infection/vaccination and the onset of demyelinating diseases. However, most of these studies were single case reports, and comprehensive data are still scarce. Here we present a comprehensive analysis of 10 patients with neuromyelitis optica spectrum disorder (NMOSD) combined with chronic hepatitis B (CHB) infection and seropositive for anti-aquaporin-4 antibody (AQP4-Ab). Demographic, clinical, laboratory, neuroimaging, outcome, and follow-up data of the 10 patients were retrospectively analyzed...
November 16, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29144269/50-years-ago-in-the-journal-of-pediatrics-diagnosis-of-cerebrospinal-fluid-rhinorrhea-lack-of-specificity-of-the-glucose-oxidase-test-tape
#15
Susy Jeng
No abstract text is available yet for this article.
November 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29143589/biomarkers-in-the-evolution-of-multiple-sclerosis
#16
Thomas Berger
Nonimaging biomarkers can be applied in differential diagnosis, evaluation of disease progression and therapy monitoring of multiple sclerosis (MS). Presence of oligoclonal IgG bands in cerebrospinal fluid is a diagnostic element and a negative predictor of MS evolution. AQP4 antibodies are pathogenic and diagnostic for neuromyelitis optica spectrum disorder. Antibodies to myelin oligodendrocyte glycoprotein develop in about 50% of predominantly pediatric patients with acute disseminated encephalomyelitis, but their possible role in pathogenesis is unknown...
November 2017: Neurodegenerative Disease Management
https://www.readbyqxmd.com/read/29143217/fluid-biomarker-agreement-and-interrelation-in-dementia-due-to-alzheimer-s-disease
#17
Panagiotis Alexopoulos, Jennifer Roesler, Lukas Werle, Nathalie Thierjung, Iliana Lentzari, Marion Ortner, Timo Grimmer, Nikolaos Laskaris, Antonios Politis, Philippos Gourzis, Alexander Kurz, Robert Perneczky
The cerebrospinal fluid (CSF) levels of β-amyloid 42, total tau, and phosphorylated tau 181 are supposed to be all continuously abnormal in dementia due to Alzheimer's disease (AD), being the most advanced disease stage. The aim of the present study, which included a monocentric and a multicentric sample (N = 119 and 178, respectively), was to investigate the degree of CSF biomarker agreement and interrelation in AD dementia. Based on previously published cut-off values, biomarker values were categorized as positive or negative for AD (dichotomization strategy) and as either positive, negative, or borderline (trichotomization strategy)...
November 15, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/29142778/-foramen-magnum-meningiomas-a-report-of-12-cases-and-literature-review
#18
Álvaro Campero, Pablo Ajler, Guillermo Roman, Conrado Rivadeneira
Objectives: The primary aim of this study was to assess the results attained for 12 patients with an anterior or lateral foramen magnum meningioma, treated microsurgically. Methods: Between June 2005 and December 2016, 12 patients with foramen magnum meningiomas underwent microsurgical resection. Patients' age and gender, tumor localization (anterior or lateral), symptoms, approach, and postoperative results were analyzed. Results: Eight of the 12 patients were women...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29142539/values-of-magnetic-resonance-imaging-and-cerebrospinal-fluid-analysis-in-the-diagnosis-of-central-nervous-system-associated-infectious-diseases
#19
Dongfeng Zhang
Objective: To discuss the roles of magnetic resonance imaging (MRI) and cerebrospinal fluid analysis in the identification of central nervous system associated infection and provide a reference for the diagnosis and treatment of central nervous system associated infectious diseases. Methods: Seventy-six patients who developed central nervous system infection and were admitted into the Henan People's Hospital between June 2014 and October 2015 were randomly selected as an observation group...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29142154/the-choroid-plexus-of-the-lateral-ventricle-as-the-origin-of-csf-pulsation-is-questionable
#20
Ken Takizawa, Mitsunori Matsumae, Naokazu Hayashi, Akihiro Hirayama, Fumiya Sano, Satoshi Yatsushiro, Kagayaki Kuroda
The advent of magnetic resonance imaging (MRI) enables noninvasive measurement of cerebrospinal fluid (CSF) motion, and new information about CSF motion has now been acquired. The driving force of the CSF has long been thought to be choroid plexus (CP) pulsation, but to investigate whether this phenomenon actually occurs, CSF motion was observed in the ventricular system and subarachnoid space using MRI. Eleven healthy volunteers, ranging in age from 23 to 58 years, participated in this study. The MRI sequences used were four-dimensional phase-contrast (4D-PC) and time-spatial labeling inversion pulse (t-SLIP)...
November 16, 2017: Neurologia Medico-chirurgica
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