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Cerebral oedema

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https://www.readbyqxmd.com/read/28173619/hyperglycaemia-related-complications-at-the-time-of-diagnosis-can-cause-permanent-neurological-disability-in-children-with-neonatal-diabetes
#1
J O Day, S E Flanagan, M H Shepherd, A W Patrick, N Abid, L Torrens, A J Zeman, K A Patel, A T Hattersley
BACKGROUND: Children with neonatal diabetes often present with diabetic ketoacidosis and hence are at risk of cerebral oedema and subsequent long-term neurological deficits. These complications are difficult to identify because neurological features can also occur as a result of the specific genetic aetiology causing neonatal diabetes. CASE REPORTS: We report two cases of neonatal diabetes where ketoacidosis-related cerebral oedema was the major cause of their permanent neurological disability...
February 7, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28160241/retinal-haemorrhages-in-a-university-hospital-not-always-abusive-head-injury
#2
M Mattheij, C Venstermans, I de Veuster, I Vanderstraete, T Menovsky, P Jorens, B Ceulemans
Retinal haemorrhages (RH) and subdural haematomas (SDH) are frequently seen in abusive head trauma (AHT). The aim of our study is to show that they are suggestive, but not pathognomonic for AHT. We performed an observational retrospective study on children, aged 1-18 months old, admitted to the Antwerp University Hospital with RH. History, physical examination, medical course, coagulation and metabolic tests, skeletal survey, head circumference, retinal findings, cerebral imaging, and evaluation reports by social services or civil/criminal courts were collected...
February 3, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28145211/-fatal-cerebral-oedema-during-the-treatment-of-diabetic-ketoacidosis-in-an-adult-male
#3
T J A Dekker, J A Janson, E J Hoorn, Y W J Sijpkens
Diabetic ketoacidosis is relatively common, but the optimal treatment of this condition is still controversial. Cerebral oedema is a rare, but potentially fatal complication. We present the case of an adult patient who presented with de novo diabetic ketoacidosis that was complicated by cerebral oedema during treatment. In this article we discuss factors that may have played a role in the development of this complication. A prolonged hyperosmolar state in diabetic ketoacidosis may increase the risk of cerebral oedema as a result of cerebral compensatory mechanisms...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28143879/acute-high-altitude-sickness
#4
Andrew M Luks, Erik R Swenson, Peter Bärtsch
At any point 1-5 days following ascent to altitudes ≥2500 m, individuals are at risk of developing one of three forms of acute altitude illness: acute mountain sickness, a syndrome of nonspecific symptoms including headache, lassitude, dizziness and nausea; high-altitude cerebral oedema, a potentially fatal illness characterised by ataxia, decreased consciousness and characteristic changes on magnetic resonance imaging; and high-altitude pulmonary oedema, a noncardiogenic form of pulmonary oedema resulting from excessive hypoxic pulmonary vasoconstriction which can be fatal if not recognised and treated promptly...
January 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/28125598/a-feasibility-study-of-quantifying-longitudinal-brain-changes-in-herpes-simplex-virus-hsv-encephalitis-using-magnetic-resonance-imaging-mri-and-stereology
#5
Sylviane Defres, Simon S Keller, Kumar Das, Rishma Vidyasagar, Laura M Parkes, Girvan Burnside, Michael Griffiths, Michael Kopelman, Neil Roberts, Tom Solomon
OBJECTIVES: To assess whether it is feasible to quantify acute change in temporal lobe volume and total oedema volumes in herpes simplex virus (HSV) encephalitis as a preliminary to a trial of corticosteroid therapy. METHODS: The study analysed serially acquired magnetic resonance images (MRI), of patients with acute HSV encephalitis who had neuroimaging repeated within four weeks of the first scan. We performed volumetric measurements of the left and right temporal lobes and of cerebral oedema visible on T2 weighted Fluid Attenuated Inversion Recovery (FLAIR) images using stereology in conjunction with point counting...
2017: PloS One
https://www.readbyqxmd.com/read/28041618/pyogenic-ventriculitis-and-ventricular-empyema-associated-with-staphylococcus-pseudintermedius-in-a-puppy
#6
S A Headley, L G Pretto-Giordano, D F Nóbrega, C S Altrão, L A Villas-Boas, A A Alfieri, A P F R L Bracarense
A 40-day-old male, blue heeler puppy with hindlimb ataxia, nystagmus, apathy, motor incoordination and hyperaesthesia of the forelimbs died 3 days after the onset of clinical signs. Significant gross findings included cerebellar herniation, cerebral oedema and dilation of the third and right lateral cerebral ventricles due to the accumulation of a purulent exudate. Histopathological examination revealed pyogenic ventriculitis and purulent meningoencephalitis. Pure colonies of a coagulase-positive Staphylococcus were isolated from the purulent cerebral exudate...
December 29, 2016: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/27986927/histological-underpinnings-of-grey-matter-changes-in-fibromyalgia-investigated-using-multimodal-brain-imaging
#7
F B Pomares, T Funck, N A Feier, S Roy, A Daigle-Martel, M Ceko, S Narayanan, D Araujo, A Thiel, N Stikov, M A Fitzcharles, P Schweinhardt
: Chronic pain patients present with cortical grey matter alterations, observed with anatomical magnetic resonance (MR) imaging. Reduced regional grey matter volumes are often interpreted to reflect neurodegeneration but studies investigating the cellular origin of grey matter changes are lacking. We used multi-modal imaging to compare 26 post-menopausal women with 25 healthy controls (age range: 50-75 years) to test whether regional grey matter volume decreases in chronic pain are associated with compromised neuronal integrity...
December 16, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27974807/long-term-neprilysin-inhibition-implications-for-arnis
#8
REVIEW
Duncan J Campbell
Neprilysin has a major role in both the generation and degradation of bioactive peptides. LCZ696 (valsartan/sacubitril, Entresto), the first of the new ARNI (dual-acting angiotensin-receptor-neprilysin inhibitor) drug class, contains equimolar amounts of valsartan, an angiotensin-receptor blocker, and sacubitril, a prodrug for the neprilysin inhibitor LBQ657. LCZ696 reduced blood pressure more than valsartan alone in patients with hypertension. In the PARADIGM-HF study, LCZ696 was superior to the angiotensin-converting enzyme inhibitor enalapril for the treatment of heart failure with reduced ejection fraction, and LCZ696 was approved by the FDA for this purpose in 2015...
March 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/27942481/posterior-reversible-encephalopathy-syndrome-after-intrathecal-methotrexate-infusion-a-case-report-and-literature-update
#9
Efterpi Pavlidou, Evangelos Pavlou, Athanasia Anastasiou, Zoi Pana, Vasiliki Tsotoulidou, Maria Kinali, Emmanuel Hatzipantelis
Posterior reversible encephalopathy syndrome (PRES) is a rare clinical-radiological entity characterised by seizures, severe headache, mental status instability and visual disturbances. Hypertension is typically present. We report a case of a 13-year old boy with Burkitt lymphoma/leukaemia, who presented with posterior leukoencephalopathy 24 hours after intrathecal methotrexate (MTX) infusion. The child presented with headache, seizures, elevated blood pressure and gradual deterioration of his neurological status...
October 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27928693/accumulation-of-lactate-in-the-rat-brain-during-hyperammonaemia-is-not-associated-with-impaired-mitochondrial-respiratory-capacity
#10
Anne Møller Witt, Fin Stolze Larsen, Peter Nissen Bjerring
In acute liver failure (ALF) cerebral oedema and high intracranial pressure (ICP) are potentially deadly complications. Astrocytes cultured in ammonia have shown mitochondrial dysfunction and in rat models of liver failure, de novo lactate production in the brain has been observed and has led to a hypothesis of compromised brain metabolism during ALF. In contrast, normal lactate levels are found in cerebral microdialysate of ALF patients and the oxygen: glucose ratio of cerebral metabolic rates remains normal...
December 7, 2016: Metabolic Brain Disease
https://www.readbyqxmd.com/read/27923162/comparison-of-different-osmotic-therapies-in-a-mouse-model-of-traumatic-brain-injury
#11
Vinoth K M Khandelwal, Prabhakar Singh, Tatiana Ravingerova, Marslin Gregory, Hardik Gandhi, Manu Chaudhary
BACKGROUND: Inflammation in the affected region, increased intracranial pressure, consequent oedema and congestion contribute to the negative outcome of traumatic brain injury. Osmotic therapies are recommended for improvement in cognitive and motor functions. Aim of the present study was to evaluate the effect of osmotic therapies in a mice model of traumatic brain injury. METHODS: Experimental closed head injury was performed in adult Swiss albino mice by the weight-drop method...
February 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/27888818/high-altitude-illness
#12
Anna Hartman-Ksycińska, Jolanta Kluz-Zawadzka, Bogumił Lewandowski
High-altitude illness is a result of prolonged high-altitude exposure of unacclimatized individuals. The illness is seen in the form of acute mountain sickness (AMS) which if not treated leads to potentially life-threatening high altitude pulmonary oedema and high-altitude cerebral oedema. Medical problems are caused by hypobaric hypoxia stimulating hypoxia-inducible factor (HIF) release. As a result, the central nervous system, circulation and respiratory system function impairment occurs. The most important factor in AMS treatment is acclimatization, withdrawing further ascent and rest or beginning to descent; oxygen supplementation, and pharmacological intervention, and, if available, a portable hyperbaric chamber...
2016: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/27884858/hemicraniectomy-versus-medical-treatment-with-large-mca-infarct-a-review-and-meta-analysis
#13
Paul Alexander, Diane Heels-Ansdell, Reed Siemieniuk, Neera Bhatnagar, Yaping Chang, Yutong Fei, Yuqing Zhang, Shelley McLeod, Kameshwar Prasad, Gordon Guyatt
OBJECTIVE: Large middle cerebral artery stroke (space-occupying middle-cerebral-artery (MCA) infarction (SO-MCAi)) results in a very high incidence of death and severe disability. Decompressive hemicraniectomy (DHC) for SO-MCAi results in large reductions in mortality; the level of function in the survivors, and implications, remain controversial. To address the controversy, we pooled available randomised controlled trials (RCTs) that examined the impact of DHC on survival and functional ability in patients with large SO-MCAi and cerebral oedema...
November 24, 2016: BMJ Open
https://www.readbyqxmd.com/read/27878561/pseudotumoral-brain-lesions-mri-review
#14
Dimitri Renard, Giovanni Castelnovo, Anne Le Floch, Jean-Sebastien Guillamo, Eric Thouvenot
Single or multiple space-occupying lesions on brain MRI, with or without contrast enhancement and/or perilesional oedema, evoke a neoplastic origin. However, a multitude of non-neoplastic disorders can simulate cerebral neoplasia. In this review, we will discuss the MRI characteristics of non-neoplastic disorders that can mimic cerebral neoplasia. Distinguishing MRI characteristics are discussed for each of these non-neoplastic disorders.
November 22, 2016: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/27873213/is-management-of-hyperglycaemia-in-acute-phase-stroke-still-a-dilemma
#15
REVIEW
C Savopoulos, G Kaiafa, I Kanellos, A Fountouki, D Theofanidis, A I Hatzitolios
INTRODUCTION: Close monitoring of blood glucose levels during the immediate post-acute stroke phase is of great clinical value, as there is evidence that the risk of neurological deterioration is associated with both hyper- and hypoglycaemia. The aim of this review paper is to summarise the evidence on post-stroke blood glucose management and its impact on clinical outcomes, during the early post-acute stage. FINDINGS: Post-stroke hyperglycaemia has been associated with increased cerebral oedema, haemorrhagic transformation, lower likelihood of recanalisation and deteriorating neurological state...
November 21, 2016: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/27862464/randomized-assessment-of-imatinib-in-patients-with-acute-ischaemic-stroke-treated-with-intravenous-thrombolysis
#16
N Wahlgren, M Thorén, B Höjeberg, T-B Käll, A-C Laska, C Sjöstrand, J Höijer, H Almqvist, S Holmin, A Lilja, L Fredriksson, D Lawrence, U Eriksson, N Ahmed
BACKGROUND: Imatinib, a tyrosine kinase inhibitor, has been shown to restore blood-brain barrier integrity and reduce infarct size, haemorrhagic transformation and cerebral oedema in stroke models treated with tissue plasminogen activator. We evaluated the safety of imatinib, based on clinical and neuroradiological data, and its potential influence on neurological and functional outcomes. METHODS: A phase II randomized trial was performed in patients with acute ischaemic stroke treated with intravenous thrombolysis...
November 14, 2016: Journal of Internal Medicine
https://www.readbyqxmd.com/read/27808032/-acute-surgical-treatment-of-malignant-stroke
#17
Alexander Lilja-Cyron, Vagn Eskesen, Klaus Hansen, Daniel Kondziella, Jesper Kelsen
Malignant stroke is an intracranial herniation syndrome caused by cerebral oedema after a large hemispheric or cerebellar stroke. Malignant middle cerebral artery infarction is a devastating disease with a mortality around 80% despite intensive medical treatment. Decompressive craniectomy reduces mortality and improves functional outcome - especially in younger patients (age ≤ 60 years). Decompression of the posterior fossa is a life-saving procedure in patients with malignant cerebellar infarctions and often leads to good neurological outcome...
October 24, 2016: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/27799499/cervical-artery-dissection-at-high-altitude-an-overview-of-two-patients
#18
Shreeyukta Bhattarai, William Elson, Rashila Pradhan, Prativa Pandey
While altitude illness is common in the Himalayas, conditions unrelated to altitude illness also occur. High altitude cerebral oedema HACE is a global phenomenon of gradual onset affecting both cerebral hemispheres. We outline two cases of cervical artery dissection presenting with sudden onset of focal neurological symptoms at high altitude.
July 2016: Journal of Travel Medicine
https://www.readbyqxmd.com/read/27770771/evaluation-of-efficacy-safety-and-tolerability-of-ambrisentan-in-chinese-adults-with-pulmonary-arterial-hypertension-a-prospective-open-label-cohort-study
#19
Y Huo, Z C Jing, X F Zeng, J M Liu, Z X Yu, G C Zhang, Y Li, Y Wang, Q S Ji, P Zhu, B X Wu, Y Zheng, P P Wang, J Li
BACKGROUND: Although several new drugs have been approved in recent years, pulmonary arterial hypertension (PAH) remains a rapidly progressive disease with a poor prognosis. Ambrisentan, a selective endothelin type A antagonist, has been approved for treatment of PAH. This open label study assessed the efficacy and safety of ambrisentan in Chinese subjects with PAH. METHODS: Eligible patients with PAH (World Health Organisation [WHO] functional class [FC] II orIII) were enrolled and received Ambrisentan (5 mg) once daily for a 12-week preliminary evaluation period, and a 12-week dose-adjustment period (dose titration to 10 mgallowed)...
October 22, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27770229/whole-brain-analysis-of-postmortem-density-changes-of-grey-and-white-matter-on-computed-tomography-by-statistical-parametric-mapping
#20
Yuichi Nishiyama, Hidekazu Kanayama, Hiroshi Mori, Keiji Tada, Yasushi Yamamoto, Takashi Katsube, Haruo Takeshita, Kazunori Kawakami, Hajime Kitagaki
OBJECTIVES: This study examined the usefulness of statistical parametric mapping (SPM) for investigating postmortem changes on brain computed tomography (CT). METHODS: This retrospective study included 128 patients (23 - 100 years old) without cerebral abnormalities who underwent unenhanced brain CT before and after death. The antemortem CT (AMCT) scans and postmortem CT (PMCT) scans were spatially normalized using our original brain CT template, and postmortem changes of CT values (in Hounsfield units; HU) were analysed by the SPM technique...
October 21, 2016: European Radiology
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