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https://www.readbyqxmd.com/read/28435903/non-aneurysmal-and-non-traumatic-subarachnoid-hemorrhage-after-attempted-suicide-by-incomplete-hanging
#1
Tae Hu Kim, Soo Hoon Lee, Dong Hoon Kim, Seong Chun Kim, Wonyoungyong Jin, So Yeon Kim, Sang Heon Shin, Sang Bong Lee
Hanging is a common method of suicide that is being reported more frequently in many countries. Several complications including injuries to the cervical spine, neck vessels, and brain can occur after attempted suicide by hanging. There are only a few reports of brain computed tomography and magnetic resonance imaging of hanging victims. The most common abnormality was diffuse cerebral edema. A subarachnoid hemorrhage is an atypical complication by suicidal hanging. We report a case of a female patient who presented to an emergency department with altered mental status after attempting suicide by incomplete hanging...
March 2017: Clinical and Experimental Emergency Medicine
https://www.readbyqxmd.com/read/28433745/hypoxia-augments-lps-induced-inflammation-and-triggers-high-altitude-cerebral-edema-in-mice
#2
Yanzhao Zhou, Xin Huang, Tong Zhao, Meng Qiao, Xingnan Zhao, Ming Zhao, Lun Xu, Yongqi Zhao, Liying Wu, Kuiwu Wu, Ruoli Chen, Ming Fan, Lingling Zhu
High altitude cerebral edema (HACE) is a life-threatening illness that develops during the rapid ascent to high altitudes, but its underlying mechanisms remain unclear. Growing evidence has implicated inflammation in the susceptibility to and development of brain edema. In the present study, we investigated the inflammatory response and its roles in HACE in mice following high altitude hypoxic injury. We report that acute hypobaric hypoxia induced a slight inflammatory response or brain edema within 24 h in mice...
April 19, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28431741/chloride-dysregulation-seizures-and-cerebral-edema-a-relationship-with-therapeutic-potential
#3
REVIEW
Joseph Glykys, Volodymyr Dzhala, Kiyoshi Egawa, Kristopher T Kahle, Eric Delpire, Kevin Staley
Pharmacoresistant seizures and cytotoxic cerebral edema are serious complications of ischemic and traumatic brain injury. Intraneuronal Cl(-) concentration ([Cl(-)]i) regulation impacts on both cell volume homeostasis and Cl(-)-permeable GABAA receptor-dependent membrane excitability. Understanding the pleiotropic molecular determinants of neuronal [Cl(-)]i - cytoplasmic impermeant anions, polyanionic extracellular matrix (ECM) glycoproteins, and plasmalemmal Cl(-) transporters - could help the identification of novel anticonvulsive and neuroprotective targets...
April 18, 2017: Trends in Neurosciences
https://www.readbyqxmd.com/read/28431614/permeability-surface-area-product-analysis-in-malignant-brain-edema-prediction-a-pilot-study
#4
O Volny, P Cimflova, T-Y Lee, B K Menon, C D d'Esterre
BACKGROUND AND PURPOSE: Using an extended CT perfusion acquisition (150s), we sought to determine the association between perfusion parameters and malignant edema after ischemic stroke. METHODS: Patients (from prospective study PROVE-IT, NCT02184936) with terminal internal carotid artery±proximal middle cerebral occlusion were involved. CTA was assessed for clot location and status of leptomeningeal collaterals. The following CTP parameters were calculated within the ischemic territory and contralaterally: permeability surface area product (PS), cerebral blood flow (CBF) and cerebral blood volume (CBV)...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28429775/fucoxanthin-provides-neuroprotection-in-models-of-traumatic-brain-injury-via-the-nrf2-are-and-nrf2-autophagy-pathways
#5
Li Zhang, Handong Wang, Youwu Fan, Yongyue Gao, Xiang Li, Zhigang Hu, Ke Ding, Yujie Wang, Xiaoliang Wang
Fucoxanthin is abundant in seaweed and is considered as a powerful antioxidant. It has been proposed to possess anti-cancer, anti-obesity and anti-diabetes effects. However, its roles in brain injury models have not been fully understood. The objective of this study was to investigate the neuroprotection of fucoxanthin in models of traumatic brain injury (TBI) and the role of the nuclear factor erythroid 2-related factor 2 (Nrf2)-antioxidant-response element (ARE) and Nrf2-autophagy pathways in the putative neuroprotection...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429734/neuroprotective-pentapeptide-cn-105-is-associated-with-reduced-sterile-inflammation-and-improved-functional-outcomes-in-a-traumatic-brain-injury-murine-model
#6
Daniel T Laskowitz, Haichen Wang, Tony Chen, David T Lubkin, Viviana Cantillana, Tian Ming Tu, Dawn Kernagis, Guanen Zhou, Gary Macy, Bradley J Kolls, Hana N Dawson
At present, there are no proven pharmacological treatments demonstrated to improve long term functional outcomes following traumatic brain injury(TBI). In the setting of non-penetrating TBI, sterile brain inflammatory responses are associated with the development of cerebral edema, intracranial hypertension, and secondary neuronal injury. There is increasing evidence that endogenous apolipoprotein E(apoE) modifies the neuroinflammatory response through its role in downregulating glial activation, however, the intact apoE holoprotein does not cross the blood-brain barrier due to its size...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428190/in-vivo-detection-of-egfrviii-in-glioblastoma-via-perfusion-magnetic-resonance-imaging-signature-consistent-with-deep-peritumoral-infiltration-the-%C3%AF-index
#7
Spyridon Bakas, Hamed Akbari, Jared Pisapia, Maria Martinez-Lage, Martin Rozycki, Saima Rathore, Nadia Dahmane, Donald M O'Rourke, Christos Davatzikos
<br />The epidermal growth factor receptor variant III (EGFRvIII) mutation has been considered a driver mutation and therapeutic target in glioblastoma, the most common and aggressive brain cancer. Currently, detecting EGFRvIII requires postoperative tissue analyses, which are ex vivo and unable to capture the tumor's spatial heterogeneity. Considering the increasing evidence of in vivo imaging signatures capturing molecular characteristics of cancer, this study aims to detect EGFRvIII in primary glioblastoma non-invasively, using routine clinically-acquired imaging...
April 20, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28427981/ultrastructure-of-pericystic-or-intracystic-blood-vessels-in-epidermoid-cysts-a-transmission-electron-microscopy-study-laboratory-investigation
#8
Xiao-Hui Ren, Jun Ma, Chun Zeng, Yi-Lin Sun, Song Lin
OBJECTIVES: Recently, we reported the tendency towards the spontaneous hemorrhage in both pre- and post-operative periods of patients with intracranial epidermoid cyst (EC). According to our experience this tendency of spontaneous hemorrhage was partly due to the pathologic blood vessels adjacent to the EC. This article was designed to testify this hypothesis. MATERIALS & METHODS: 23 removable pericystic or intracystic blood vessels from 17 EC patients were collected during surgery, and then were examined by transmission electron microscope...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28424147/treatment-of-leukoencephalopathy-with-calcifications-and-cysts-with-bevacizumab
#9
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/28422384/natural-antioxidant-flavonoids-in-formalin-induced-mice-paw-inflammation-inhibition-of-mitochondrial-sorbitol-dehydrogenase-activity
#10
Ebtehal Mohammad F, Wedad A Hasan, Eman G Mohamed
Flavonoids have reported to cover interesting multiple pharmacological properties. This study evaluated the effect of apigenin or silymarin in paw inflammation induced by formalin in mice. Mice were divided into four groups: I: positive control group; II: apigenin, 3 mg/kg (i.p.); III: silymarin 50 mg/kg (p.o.); IV: meloxicam 10 mg/kg (p.o.), the reference drug. Therapies were administered once a day for 7 days. The curative effects were assessed on inflammatory, oxidative stress and neurotransmitter biomarkers, and apoptosis...
April 19, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28419985/erythropoietin-derived-peptide-protects-against-acute-lung-injury-after-rat-traumatic-brain-injury
#11
Yuan Liu, Junyu Lu, Xiaoya Wang, Liu Chen, Su Liu, Zhiren Zhang, Wei Yao
BACKGROUND: Traumatic brain injury (TBI) can be complicated by TBI-triggered acute lung injury (ALI), in which inflammation plays a central role. It has been reported that an Erythropoietin-derived peptide (pHBSP) was able to ameliorate TBI; however, its function in TBI-caused ALI has not been reported yet. METHODS: In this study, we studied the effect of pHBSP on TBI-caused ALI by using a weight-drop induced TBI model. At 8 h and 24 h post-TBI, pulmonary edema (PE) and bronchoalveolar lavage fluid (BALF) proteins were measured, and haematoxylin and eosin (H&E) staining of lung sections was carried out...
April 14, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28419850/overpressure-blast-injury-induced-oxidative-stress-and-neuroinflammation-response-in-rat-frontal-cortex-and-cerebellum
#12
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/28419284/laser-thermal-ablation-for-metastases-failing-radiosurgery-a-multicentered-retrospective-study
#13
Tafadzwa L Chaunzwa, Di Deng, Eric C Leuthardt, Stephen B Tatter, Alireda M Mohammadi, Gene H Barnett, Veronica L Chiang
BACKGROUND: Radiosurgical failure following stereotactic radiosurgery for brain metastases can be attributed to tumor regrowth or radiation necrosis. MRI-guided laser thermal ablation (LTA) therapy has emerged as an option for treatment; however, previous literature demonstrates variable results across centers. OBJECTIVE: To assess the outcomes of LTA in the treatment of metastases failing radiosurgery across multiple centers and to determine if any treatment factors are predictive of outcome...
April 13, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28416580/a-tspo-ligand-attenuates-brain-injury-after-intracerebral-hemorrhage
#14
Minshu Li, Honglei Ren, Kevin N Sheth, Fu-Dong Shi, Qiang Liu
Intracerebral hemorrhage (ICH) is a devastating disease without effective treatment. After ICH, the immediate infiltration of leukocytes and activation of microglia are accompanied by a rapid up-regulation of translocator protein 18 kDa (TSPO). TSPO ligands have shown anti-inflammatory and neuroprotective properties in models of CNS injury. In this study, we determined the impact of a TSPO ligand, etifoxine, on brain injury and inflammation in 2 mouse models of ICH. TSPO was up-regulated in Iba1(+) cells from brains of patients with ICH and in CD11b(+)CD45(int) cells from mice subjected to collagenase-induced ICH...
April 17, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28413694/first-neonatal-demise-with-travel-associated-zika-virus-infection-in-the-united-states-of-america
#15
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
#16
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/28410693/clinical-and-radiological-spectrum-of-intracranial-tuberculosis-a-hospital-based-study-in-northeast-india
#17
Baiakmenlang Synmon, Marami Das, Ashok K Kayal, Munindra Goswami, Jogesh Sarma, Lakshya Basumatary, Suvorit Bhowmick
Central nervous system tuberculosis (TB) is the most severe extra pulmonary TB having a high mortality and morbidity. OBJECTIVE: To study the various clinical, biochemical, and radiological spectrum of intracranial TB. MATERIALS AND METHOD: Ninety-three patients were enrolled in this prospective study after ethical clearance and consent from August 2013 to May 2015. The entire clinical course with complications and predictors of mortality were assessed. RESULTS: 36 females (38...
April 2017: Indian Journal of Tuberculosis
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
#18
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
#19
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/28408961/the-usefulness-of-diagnostic-imaging-for-the-assessment-of-pain-symptoms-in-temporomandibular-disorders
#20
REVIEW
Shigeaki Suenaga, Kunihiro Nagayama, Taisuke Nagasawa, Hiroko Indo, Hideyuki J Majima
The causes of pain symptoms in the temporomandibular joint (TMJ) and masticatory muscle (MM) regions may not be determined by clinical examination alone. In this review, we document that pain symptoms of the TMJ and MM regions in patients with temporomandibular disorders (TMDs) are associated with computed tomography and magnetic resonance (MR) findings of internal derangement, joint effusion, osteoarthritis, and bone marrow edema. However, it is emphasized that these imaging findings must not be regarded as the unique and dominant factors in defining TMJ pain...
November 2016: Japanese Dental Science Review
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