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https://www.readbyqxmd.com/read/28424147/treatment-of-leukoencephalopathy-with-calcifications-and-cysts-with-bevacizumab
#1
Alex J Fay, Allison A King, Joshua S Shimony, Yanick J Crow, Jan E Brunstrom-Hernandez
BACKGROUND: Leukoencephalopathy with calcifications and cysts is a rare, autosomal recessive cerebral microangiopathy that causes progressive white matter disease, calcifications, and cysts within the brain. It is typically associated with slowly progressive psychomotor regression, seizures, and movement disorders. Although leukoencephalopathy with calcifications and cysts affects only the central nervous system, it demonstrates remarkable neuropathologic and radiologic overlap with Coats plus, a disorder of small vessels of the brain, eyes, gastrointestinal tract, and bone...
March 23, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28419850/overpressure-blast-injury-induced-oxidative-stress-and-neuroinflammation-response-in-rat-frontal-cortex-and-cerebellum
#2
Hale Z Toklu, Zhihui Yang, Sehkar Oktay, Yasemin Sakarya, Nataliya Kirichenko, Michael K Matheny, Judy Muller-Delp, Kevin Strang, Philip J Scarpace, Kevin K W Wang, Nihal Tümer
BACKGROUND & AIM: Overpressure blast-wave induced brain injury (OBI) and its long-term neurological outcome pose significant concerns for military personnel. Our aim is to investigate the mechanism of injury due to OBI. METHODS: Rats were divided into 3 groups: 1) Control, 2) OBI (exposed 30psi peak pressure, 2-2.5ms), 3) Repeated OBI (r-OBI) (three exposures over one-week period). Lung and brain (cortex and cerebellum) tissues were collected at 24h post injury...
April 15, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28414666/just-a-puff-of-smoke
#3
A Leonard
CASE: A 44 year old woman with a history of stroke s/p aneurysm clipping, seizure, and substance abuse was brought to the hospital after a family member received a call from her friend saying she was acting unusual and may have had a seizure while hanging out on the street. At her baseline, she needed modest assistance in daily activities after her CVA and conversed without issue. Her mother died of a stroke. On exam the patient was afebrile, normotensive with mild tachycardia to 110...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28413694/first-neonatal-demise-with-travel-associated-zika-virus-infection-in-the-united-states-of-america
#4
Nikolaos Zacharias, Janice Whitty, Sarah Noblin, Sophia Tsakiri, Jose Garcia, Michael Covinsky, Meenakshi Bhattacharjee, David Saulino, Nina Tatevian, Sean Blackwell
Zika virus is increasingly recognized as a fetal pathogen worldwide. We describe the first case of neonatal demise with travel-associated Zika virus infection in the United States of America, including a novel prenatal ultrasound finding. A young Latina presented to our health care system in Southeast Texas for prenatal care at 23 weeks of gestation. Fetal Dandy-Walker malformation, asymmetric cerebral ventriculomegaly, single umbilical artery, hypoechoic fetal knee, dorsal foot edema, and mild polyhydramnios were noted upon initial screening prenatal sonography at 26 weeks...
April 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28412320/glibenclamide-ameliorates-cerebral-edema-and-improves-outcomes-in-a-rat-model-of-status-epilepticus
#5
Zhenzhou Lin, Hua Huang, Yong Gu, Kaibin Huang, Yafang Hu, Zhong Ji, Yongming Wu, Shengnan Wang, Tingting Yang, Suyue Pan
Glibenclamide (GBC), a sulfonylurea receptor 1 blocker, emerges recently as a promising neuron protectant in various neurological disorders. This study aimed to determine whether GBC improves survival and neurological outcome of status epilepticus (SE). Male Sprague-Dawley rats successfully undergoing SE for 2.5 h (n = 134) were randomly assigned to GBC or vehicle group. Rats in the GBC group received a loading dose of 10 μg/kg of GBC, followed by 1.2 μg/6 h for 3 days, while same dose of vehicle was used as control...
April 12, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28412071/emergency-medicine-myths-cerebral-edema-in-pediatric-diabetic-ketoacidosis-and-intravenous-fluids
#6
Brit Long, Alex Koyfman
BACKGROUND: Pediatric diabetic ketoacidosis (DKA) is a disease associated with several complications that can be severe. One complication includes cerebral edema (CE), and patients may experience significant morbidity with this disease. OBJECTIVE: This review evaluates the myths concerning CE in pediatric DKA including mechanism, presentation of edema, clinical assessment of dehydration, and association with intravenous (i.v.) fluids. DISCUSSION: Multiple complications may occur in pediatric DKA...
April 12, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28411926/advances-in-the-prevention-and-treatment-of-high-altitude-illness
#7
REVIEW
Christopher Davis, Peter Hackett
High altitude illness encompasses a spectrum of clinical entities to include: acute mountain sickness, high altitude cerebral edema, and high altitude pulmonary edema. These illnesses occur as a result of a hypobaric hypoxic environment. Although a mild case of acute mountain sickness may be self-limited, high altitude cerebral edema and high altitude pulmonary edema represent critical emergencies that require timely intervention. This article reviews recent advances in the prevention and treatment of high altitude illness, including new pharmacologic strategies for prophylaxis and revised treatment guidelines...
May 2017: Emergency Medicine Clinics of North America
https://www.readbyqxmd.com/read/28410605/frosted-branch-angiitis-and-cerebral-venous-sinus-thrombosis-as-an-initial-onset-of-neuro-beh%C3%A3-et-s-disease-a-case-report-and-review-of-the-literature
#8
Bruno Fortaleza de Aquino Ferreira, Ever Ernesto Caso Rodriguez, Leandro Lara do Prado, Celio Roberto Gonçalves, Carlos Eduardo Hirata, Joyce Hisae Yamamoto
BACKGROUND: Frosted branch angiitis is a rare, severe condition. It can be either a primary or a secondary condition and is characterized by rapid deterioration of vision and fulminant retinal vasculitis that manifests as diffuse sheathing of retinal vessels, macular edema, papillitis, vitritis and anterior uveitis. We aimed to describe a case of frosted branch angiitis and cerebral venous sinus thrombosis as an initial neuro-Behçet's disease onset. Diagnosis of Behçet's disease was based on the current 2014 International Criteria for Behçet's Disease and the International consensus recommendation criteria for neuro-Behçet's disease...
April 15, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28409034/increased-intracranial-pressure-during-hemodialysis-in-a-patient-with-anoxic-brain-injury
#9
Anton Lund, Mette B Damholt, Ditte G Strange, Jesper Kelsen, Hasse Møller-Sørensen, Kirsten Møller
Dialysis disequilibrium syndrome (DDS) is a serious neurological complication of hemodialysis, and patients with acute brain injury are at increased risk. We report a case of DDS leading to intracranial hypertension in a patient with anoxic brain injury and discuss the subsequent dialysis strategy. A 13-year-old girl was admitted after prolonged resuscitation from cardiac arrest. Computed tomography (CT) revealed an inferior vena cava aneurysm and multiple pulmonary emboli as the likely cause. An intracranial pressure (ICP) monitor was inserted, and, on day 3, continuous renal replacement therapy (CRRT) was initiated due to acute kidney injury, during which the patient developed severe intracranial hypertension...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28408462/intent-to-treat-leukemia-remission-by-cd19car-t-cells-of-defined-formulation-and-dose-in-children-and-young-adults
#10
Rebecca A Gardner, Olivia Finney, Colleen Annesley, Hannah Brakke, Corinne Summers, Kasey Leger, Marie Bleakley, Christopher Brown, Stephanie Mgebroff, Karen Spratt, Virginia Hoglund, Catherine Lindgren, Assaf P Oron, Daniel Li, Stanley R Riddell, Julie R Park, Michael C Jensen
Transitioning CD19-directed CAR-T cells from early phase trials in relapsed patients to a viable therapeutic approach with predictable efficacy and low toxicity for broad application in patients with high unmet need is currently complicated by product heterogeneity resulting from transduction of undefined T cell mixtures, variability of transgene expression, and terminal differentiation of cells at the end of culture. A phase 1 trial of 45 children and young adults with relapsed or refractory B-lineage ALL was conducted using a CD19 CAR product of defined CD4/CD8 composition, uniform CAR expression, and limited effector differentiation...
April 13, 2017: Blood
https://www.readbyqxmd.com/read/28408159/brain-mrs-glutamine-as-a-biomarker-to-guide-therapy-of-hyperammonemic-coma
#11
Anne H O'Donnell-Luria, Alexander P Lin, Sai K Merugumala, Frances Rohr, Susan E Waisbren, Rebecca Lynch, Vatche Tchekmedyian, Aaron D Goldberg, Andrew Bellinger, J Ricardo McFaline-Figueroa, Tracey Simon, Esteban F Gershanik, Bruce D Levy, David E Cohen, Martin A Samuels, Gerard T Berry, Natasha Y Frank
Acute idiopathic hyperammonemia in an adult patient is a life-threatening condition often resulting in a rapid progression to irreversible cerebral edema and death. While ammonia-scavenging therapies lower blood ammonia levels, in comparison, clearance of waste nitrogen from the brain may be delayed. Therefore, we used magnetic resonance spectroscopy (MRS) to monitor cerebral glutamine levels, the major reservoir of ammonia, in a gastric bypass patient with hyperammonemic coma undergoing therapy with N-carbamoyl glutamate and the ammonia-scavenging agents, sodium phenylacetate and sodium benzoate...
March 10, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28403909/clinical-pathophysiology-of-hypoxic-ischemic-brain-injury-after-cardiac-arrest-a-two-hit-model
#12
REVIEW
Mypinder S Sekhon, Philip N Ainslie, Donald E Griesdale
Hypoxic ischemic brain injury (HIBI) after cardiac arrest (CA) is a leading cause of mortality and long-term neurologic disability in survivors. The pathophysiology of HIBI encompasses a heterogeneous cascade that culminates in secondary brain injury and neuronal cell death. This begins with primary injury to the brain caused by the immediate cessation of cerebral blood flow following CA. Thereafter, the secondary injury of HIBI takes place in the hours and days following the initial CA and reperfusion. Among factors that may be implicated in this secondary injury include reperfusion injury, microcirculatory dysfunction, impaired cerebral autoregulation, hypoxemia, hyperoxia, hyperthermia, fluctuations in arterial carbon dioxide, and concomitant anemia...
April 13, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28402151/tanshinone-inhibits-neuronal-cell-apoptosis-and-inflammatory-response-in-cerebral-infarction-rat-model
#13
Liang Zhou, Jie Zhang, Chao Wang, Qiangsan Sun
We aimed to investigate the effect and mechanisms of tanshinone (TSN) IIA in cerebral infarction. The cerebral infarction rat model was established by middle cerebral artery occlusion (MCAO). After pretreatment with TSN, cerebral infarct volume, cerebral edema, and neurological deficits score were evaluated, as well as cell apoptosis in hippocampus and cortex of the brain was examined with terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) and the levels of interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), and C-reactive protein (CRP) were determined by Enzyme-Linked Immunosorbent Assay (ELISA)...
April 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28401316/the-orally-active-noncompetitive-ampar-antagonist-perampanel-attenuates-focal-cerebral-ischemia-injury-in-rats
#14
Hong-Xia Niu, Jun-Zhe Wang, Dong-Liang Wang, Jun-Jie Miao, Hua Li, Zhi-Gang Liu, Xing Yuan, Wei Liu, Jing-Ru Zhou
Inhibition of ionotropic glutamate receptors (iGluRs) is a potential target of therapy for ischemic stroke. Perampanel is a potent noncompetitive α-amino-3-hydroxy-5-methyl-4-isoxazole propionate receptor (AMPAR) antagonist with good oral bioavailability and favorable pharmacokinetic properties. Here, we investigated the potential protective effects of perampanel against focal cerebral ischemia in a middle cerebral artery occlusion (MCAO) model in rats. Oral administration with perampanel significantly reduced MCAO-induced brain edema, brain infarct volume, and neuronal apoptosis...
April 11, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28398880/cerebrovascular-remodeling-and-neuroinflammation-is-a-late-effect-of-radiation-induced-brain-injury-in-non-human-primates
#15
Rachel N Andrews, Linda J Metheny-Barlow, Ann M Peiffer, David B Hanbury, Janet A Tooze, J Daniel Bourland, Robert E Hampson, Samuel A Deadwyler, J Mark Cline
Fractionated whole-brain irradiation (fWBI) is a mainstay of treatment for patients with intracranial neoplasia; however late-delayed radiation-induced normal tissue injury remains a major adverse consequence of treatment, with deleterious effects on quality of life for affected patients. We hypothesize that cerebrovascular injury and remodeling after fWBI results in ischemic injury to dependent white matter, which contributes to the observed cognitive dysfunction. To evaluate molecular effectors of radiation-induced brain injury (RIBI), real-time quantitative polymerase chain reaction (RT-qPCR) was performed on the dorsolateral prefrontal cortex (DLPFC, Brodmann area 46), hippocampus and temporal white matter of 4 male Rhesus macaques (age 6-10 years), which had received 40 Gray (Gy) fWBI (8 fractions of 5 Gy each, twice per week), and 3 control comparators...
March 6, 2017: Radiation Research
https://www.readbyqxmd.com/read/28398844/breathlessness-at-high-altitude-first-episode-of-bronchoconstriction-in-an-otherwise-healthy-sojourner
#16
Sanjeeb Sudarshan Bhandari, Pranawa Koirala, Sadichhya Lohani, Pratibha Phuyal, Buddha Basnyat
Bhandari, Sanjeeb Sudarshan, Pranawa Koirala, Sadichhya Lohani, Pratibha Phuyal, and Buddha Basnyat. Breathlessness at high altitude: first episode of bronchoconstriction in an otherwise healthy sojourner. High Alt Med Biol. 16:000-000, 2017-High-altitude illness is a collective term for less severe acute mountain sickness and more severe high-altitude pulmonary edema (HAPE) and high-altitude cerebral edema, which we can experience while traveling to high altitude. These get better when we get down to the lower altitudes...
February 21, 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28396188/effects-of-nigella-sativa-extract-on-markers-of-cerebral-angiogenesis-after-global-ischemia-of-brain-in-rats
#17
Koroush Soleimannejad, Asghar Rahmani, Masoud Hatefi, Masoud Khataminia, Mohammad Reza Hafezi Ahmadi, Khairollah Asadollahi
BACKGROUND: Reduction of permanent or transient cerebral blood flow may lead to some structural and functional changes of the brain, causing high mortality and morbidity. The aim of this experimental study was to investigate the effects of hydroalcoholic extract of Nigella sativa (NS) on markers of cerebral angiogenesis in rats induced by global brain ischemia. METHODS: Thirty-two male Wistar rats (250 ± 20 g) were randomly divided into 4 groups: group 1, control group receiving only normal saline; group 2, sham group undergoing surgery and stroke induction without treatment; and groups 3 and 4 treated with 10 and 20 mg/kg NS, respectively, after induction of stroke...
April 7, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28389314/hemispheric-cerebral-edema
#18
Ina Dubin, Yosef Drahy, Ami Schattner
No abstract text is available yet for this article.
April 4, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28387940/the-bial-10-2474-phase-1-study-a-drug-development-perspective-and-recommendations-for-future-first-in-human-trials
#19
REVIEW
Philip Chaikin
BIA 10-2474 (a fatty acid amide hydrolase inhibitor) was evaluated in a first-in-human phase 1 study in normal volunteers to assess safety/tolerability, pharmacokinetics, pharmacodynamics, and food effect. The dose-escalation process consisted of a single-ascending-dose phase (SAD) and multiple-ascending-dose phase (MAD). Prospective determination of the starting dose and maximal escalated dose was consistent with the usual clinical pharmacology principles for extrapolation of preclinical toxicology data to human equivalent doses...
April 7, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28386585/comprehensive-histological-and-immunochemical-forensic-studies-in-deaths-occurring-in-custody
#20
REVIEW
Kenneth Nugent, Menfil A Orellana-Barrios, Dolores Buscemi
In-custody deaths have several causes, and these include homicide, suicide, natural death from chronic diseases, and unexplained death possibly related to acute stress, asphyxia, excited delirium, and drug intoxication. In some instances, these deaths are attributed to undefined accidents and natural causes even though there is no obvious natural cause apparent after investigation. Understanding these deaths requires a comprehensive investigation, including documentation of circumstances surrounding the death, review of past medical history, drug and toxicology screens, and a forensic autopsy...
2017: International Scholarly Research Notices
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