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Brain swelling treatment

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https://www.readbyqxmd.com/read/28443599/a-pott-s-puffy-tumor-associated-with-epidural-cutaneous-fistula-and-epidural-abscess-case-report
#1
Aleksandar Perić, Milanko Milojević, Dražen Ivetić
BACKGROUND: Pott's puffy tumor is characterized by a fluctuate swelling of the frontal region as a result of osteomyelitis of the frontal bone. This inflammatory lesion may propagate endocranially resulting in acute meningitis, epidural abscess, subdural empyema, cavernous sinus trombophlebitis, cerebritis, and frontal lobe abscess of the brain. CASE REPORT: We present an unusual case of a 33-year-old man suffering from the Pott's puffy tumor whose condition was further complicated by a draining epidural-cutaneous fistula and an epidural abscess...
April 13, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28431433/experimental-anterior-ischemic-optic-neuropathy-in-diabetic-mice-exhibited-severe-retinal-swelling-associated-with-vegf-elevation
#2
Ming-Hui Sun, Mohammad Ali Shariati, Yaping Joyce Liao
Purpose: Diabetes mellitus (DM) is one of the most important risk factors for nonarteritic anterior ischemic optic neuropathy (AION). In this study, we investigated for the first time the impact of experimental AION in a DM model. Methods: We induced a photochemical thrombosis model of AION after streptozotocin-induced DM and performed serial optical coherence tomography (OCT), morphometric analyses, and VEGF levels in the retina and sera. Results: Compared with non-DM animals, experimental AION in DM mice led to significantly greater retinal swelling on day 1 and worse thinning at week 3 on OCT measurements...
April 1, 2017: Investigative Ophthalmology & Visual Science
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
#3
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/28403092/hyperammonemic-coma-after-craniotomy-hepatic-encephalopathy-from-upper-gastrointestinal-hemorrhage-or-valproate-side-effect-case-report-and-literature-review
#4
REVIEW
Xiaopeng Guo, Junji Wei, Lu Gao, Bing Xing, Zhiqin Xu
RATIONALE: Postoperative coma is not uncommon in patients after craniotomy. It generally presents as mental state changes and is usually caused by intracranial hematoma, brain edema, or swelling. Hyperammonemia can also result in postoperative coma; however, it is rarely recognized as a potential cause in coma patients. Hyperammonemic coma is determined through a complicated differential diagnosis, and although it can also be induced as a side effect of valproate (VPA), this cause is frequently unrecognized or confused with upper gastrointestinal hemorrhage (UGH)-induced hepatic encephalopathy...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28395173/particular-phosphorylation-of-pi3k-akt-on-thr308-via-pdk-1-and-pten-mediates-melatonin-s-neuroprotective-activity-after-focal-cerebral-ischemia-in-mice
#5
Ulkan Kilic, Ahmet Burak Caglayan, Mustafa Caglar Beker, Mehmet Yalcin Gunal, Berrak Caglayan, Esra Yalcin, Taha Kelestemur, Reyhan Zeynep Gundogdu, Burak Yulug, Bayram Yılmaz, Bilal Ersen Kerman, Ertugrul Kilic
Apart from its potent antioxidant property, recent studies have revealed that melatonin promotes PI3K/Akt phosphorylation following focal cerebral ischemia (FCI) in mice. However, it is not clear (i) whether increased PI3K/Akt phosphorylation is a concomitant event or it directly contributes to melatonin's neuroprotective effect, and (ii) how melatonin regulates PI3K/Akt signaling pathway after FCI. In this study, we showed that Akt was intensively phosphorylated at the Thr308 activation loop as compared with Ser473 by melatonin after FCI...
April 5, 2017: Redox Biology
https://www.readbyqxmd.com/read/28359726/migraine-a-look-down-the-nose
#6
Thomas Muehlberger, Justin C R Wormald, Nadine Hachach-Haram, Afshin Mosahebi
BACKGROUND: Studies have suggested that contact between opposing mucosal surfaces in the nasal wall and cavity can be a target of the surgical treatment of migraines. Unfortunately, not enough is known about the role of nasal pathology in the pathogenesis of this condition. The co-existence of further rhinological disorders can be an impediment to defining the cause and effect of anatomical variants. The authors compared the MRI scans of migraine- and non-migraine patients (MPs and NMPs, respectively) to determine the prevalence of such mucosal contact points in order to extrapolate whether there is a significant association with migraines...
March 7, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28342045/effects-of-an-alveolar-recruitment-maneuver-on-subdural-pressure-brain-swelling-and-mean-arterial-pressure-in-patients-undergoing-supratentorial-tumour-resection-a-randomized-crossover-study
#7
Alana M Flexman, Peter A Gooderham, Donald E Griesdale, Ruth Argue, Brian Toyota
PURPOSE: Although recruitment maneuvers have been advocated as part of a lung protective ventilation strategy, their effects on cerebral physiology during elective neurosurgery are unknown. Our objectives were to determine the effects of an alveolar recruitment maneuver on subdural pressure (SDP), brain relaxation score (BRS), and cerebral perfusion pressure among patients undergoing supratentorial tumour resection. METHODS: In this prospective crossover study, patients scheduled for resection of a supratentorial brain tumour were randomized to undergo either a recruitment maneuver (30 cm of water for 30 sec) or a "sham" maneuver (5 cm of water for 30 sec), followed by the alternative intervention after a 90-sec equilibration period...
March 24, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28332474/brain-swelling-during-dialysis-a-randomized-trial-comparing-low-flux-hemodialysis-with-pre-dilution-hemodiafiltration%C3%A2
#8
Niels Johansen, Krista Dybtved Kjaergaard, Christian Daugaard Peters, Michael Pedersen, Bente Jespersen, Jens Dam Jensen
Osmotic changes in plasma are assumed to cause cerebral swelling in hemodialysis patients. We investigated the acute effect of low-flux hemodialysis (HD) (removal of small molecules) and pre-dilution hemodiafiltration (pre-HDF) (additional removal of larger molecules) on cerebral compartment volumes using quantitative magnetic resonance imaging (MRI) in chronic uremic patients. Twelve patients underwent a session of HD and pre-HDF in a randomized crossover study with equal ultrafiltration. MRI was performed immediately before and after dialysis...
March 23, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28320070/dexpramipexole-improves-bioenergetics-and-outcome-in-experimental-stroke
#9
Mirko Muzzi, Elisabetta Gerace, Daniela Buonvicino, Elisabetta Coppi, Francesco Resta, Laura Formentini, Riccardo Zecchi, Laura Tigli, Daniele Guasti, Martina Ferri, Emidio Camaioni, Alessio Masi, Domenico E Pellegrini-Giampietro, Guido Mannaioni, Daniele Bani, Anna M Pugliese, Alberto Chiarugi
BACKGROUND AND PURPOSE: To investigate the effects of dexpramipexole, a drug recently tested in ALS patients able to bind F1Fo ATP synthase and increase mitochondrial ATP production, on experimental ischemic brain injury. EXPERIMENTAL APPROACH: The effects of dexpramipexole on bioenergetics, Ca(2+) fluxes, electrophysiological functions and death were evaluated in primary neural cultures and hippocampal slices exposed to oxygen-glucose deprivation (OGD). The drug's impact on infarct volumes and neurological functions was also evaluated in mice subjected to proximal or distal MCAo...
March 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28292200/therapeutic-effects-of-methionine-sulfoximine-in-multiple-diseases-include-and-extend-beyond-inhibition-of-glutamine-synthetase
#10
William S A Brusilow, Tyler J Peters
Methionine sulfoximine (MSO), a well-characterized inhibitor of glutamine synthetase, displays significant therapeutic benefits in animal models for several human diseases. This amino acid might therefore be a viable candidate for drug development to treat diseases for which there are few effective therapies. Areas covered: We describe the effects of MSO on brain swelling occurring in overt hepatic encephalopathy resulting from liver failure, the effects of MSO on excitotoxic damage involved in amyotrophic lateral sclerosis (ALS) or resulting from stroke, and the effects of MSO on a model for an inflammatory immune response involved in a range of diseases...
March 15, 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/28290606/3-daidzein-sulfonate-sodium-inhibits-neuronal-apoptosis-induced-by-cerebral-ischemia-reperfusion
#11
Ruizhen Liu, Xinming Zhong, Jing Zeng, Zhihua Huang, Xiao Li, Hai Xiao, Qin Chen, Dongliang Li
This study aimed to observe the effects of 3'-daidzein sulfonate sodium (DSS) on ischemia-reperfusion-induced brain injury and to analyze the mechanisms responsible for neuronal apoptosis. Focal ischemias were induced in male Sprague-Dawley rats using middle cerebral artery occlusion. The rats were divided into 5 groups based on sham surgery or real occlusion, and treatment with different doses of DSS (0.5, 1.0 and 2.0 mg/kg) or normal saline (model group), injected preoperatively into the rats with cerebral occlusion...
April 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28258567/aquaporins-in-nervous-system
#12
Mengmeng Xu, Ming Xiao, Shao Li, Baoxue Yang
Aquaporins (AQPs ) mediate water flux between the four distinct water compartments in the central nervous system (CNS). In the present chapter, we mainly focus on the expression and function of the 9 AQPs expressed in the CNS, which include five members of aquaporin subfamily: AQP1, AQP4, AQP5, AQP6, and AQP8; three members of aquaglyceroporin subfamily: AQP3, AQP7, and AQP9; and one member of superaquaporin subfamily: AQP11. In addition, AQP1, AQP2 and AQP4 expressed in the peripheral nervous system (PNS) are also reviewed...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28224477/genistein-alleviates-neuroinflammation-and-restores-cognitive-function-in-rat-model-of-hepatic-encephalopathy-underlying-mechanisms
#13
Ajaz Ahmad Ganai, Mohammad Husain
Hepatic encephalopathy (HE) is a neuropsychiatric syndrome resulting from acute liver failure. Previously, we demonstrated hepatoprotective effects of genistein in D-galactosamine (D-GalN)-induced fulminant hepatic failure (FHF). In this study, we evaluated behavioural and neuroprotective effects of genistein in rat model of HE. HE was induced by intraperitonial administration of D-GalN (250 mg/kg BW) twice a week for 30 days Genistein was given as co-treatment through oral gavage daily at dose of 5 mg/kg BW...
February 21, 2017: Molecular Neurobiology
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
#14
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/28072961/-a-case-report-of-childhood-farber-s-disease-and-literature-review
#15
X H Bao, J M Tian, T Y Ji, X Z Chang
Objective: To explore the clinical features, diagnosis, treatment and the prognosis of Farber disease by case report and literature review. Method: The clinical information of a case with farber's disease diagnosed in October 2015 at Peking University First Hospital was collected and analyzed, including clinical manifestation, electrophysiology, magnetic resonance imaging, pathology, treatments and prognosis.ASAH1 gene mutational analysis was conducted in the patient and her parents.By using "Farber's disease, ASAH1" as keywords, literature was searched from Pubmed, CHKD and HGMD database from January 1951 to January 2016...
January 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28024286/taurine-treatment-preserves-brain-and-liver-mitochondrial-function-in-a-rat-model-of-fulminant-hepatic-failure-and-hyperammonemia
#16
Akram Jamshidzadeh, Reza Heidari, Mozhgan Abasvali, Mehdi Zarei, Mohammad Mehdi Ommati, Narges Abdoli, Forouzan Khodaei, Yasaman Yeganeh, Faezeh Jafari, Azita Zarei, Zahra Latifpour, Elnaz Mardani, Negar Azarpira, Behnam Asadi, Asma Najibi
Ammonia-induced mitochondrial dysfunction and energy crisis is known as a critical consequence of hepatic encephalopathy (HE). Hence, mitochondria are potential targets of therapy in HE. The current investigation was designed to evaluate the role of taurine treatment on the brain and liver mitochondrial function in a rat model of hepatic encephalopathy and hyperammonemia. The animals received thioacetamide (400mg/kg, i.p, for three consecutive days at 24-h intervals) as a model of acute liver failure and hyperammonemia...
February 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28009405/fulminant-idiopathic-intracranial-hypertension-and-venous-stasis-retinopathy-resulting-in-severe-bilateral-visual-impairment
#17
Alexander Voldman, Breanna Durbin, John Nguyen, Brian Ellis, Monique Leys
PURPOSE: To report a complicated case of fulminant idiopathic intracranial hypertension and concomitant venous stasis retinopathy leading to postpapilledema optic atrophy. METHODS: Case report. RESULTS: A 34-year-old morbidly obese woman with a history of idiopathic intracranial hypertension (IIH) presented with a 1-month history of bilateral vision loss, diplopia, and left eye pain after being lost to follow-up for 6 years. Fundus examination revealed florid papilledema with venous tortuosity bilaterally...
March 10, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/27998460/-treatment-of-idiopathic-intracranial-hypertension
#18
Y H Wang, J Ma, Y Zhong
Idiopathic intracranial hypertension(IIH) is a kind of diffuse brain swelling disease. Several causes could lead to IIH. Intracranial venous circulatory disturbance is more common. The clinical manifestations include intracranial pressure increased, headache and papilledema. Since IIH usually has serious impact on vision even blindness, the diagnosis and corresponding treatment are especially important. This review is to discuss the new insights on the therapeutic options of IIH, which cover medical treatment, weight-losing therapy, surgical treatment, interventional therapy and supportive treatment...
December 11, 2016: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/27938476/traumatic-brain-injury-current-treatment-strategies-and-future-endeavors
#19
Michael Galgano, Gentian Toshkezi, Xuecheng Qiu, Thomas Russell, Lawrence Chin, Li-Ru Zhao
Traumatic brain injury presents in various forms ranging from mild alterations of consciousness to an unrelenting comatose state and death. In the most severe form of traumatic brain injury, the entirety of the brain is affected by a diffuse type of injury and swelling. Treatment modalities vary extensively based on the severity of the injury and range from daily cognitive therapy sessions to radical surgery such as bilateral decompressive craniectomies. Guidelines have been set forth regarding the optimal management of traumatic brain injury, but they must be taken in context of the situation and cannot be used in every individual circumstance...
November 22, 2016: Cell Transplantation
https://www.readbyqxmd.com/read/27931151/regulation-of-mitochondrial-function-and-glutamatergic-system-are-the-target-of-guanosine-effect-in-traumatic-brain-injury
#20
Fernando Dobrachinski, Rogério da Rosa Gerbatin, Gláubia Sartori, Naiani Ferreira Marques, Ana Paula Zemolin, Luiz Fernando Almeida Silva, Jeferson Luis Franco, Luiz Fernando Freire Royes, Michele Rechia Fighera, Félix Alexandre Antunes Soares
Traumatic brain injury (TBI) is a highly complex multi-factorial disorder. Experimental trauma involves primary and secondary injury cascades that underlie delayed neuronal dysfunction and death. Mitochondrial dysfunction and glutamatergic excitotoxicity are the hallmark mechanisms of damage. Accordingly, a successful pharmacological intervention requires a multi-faceted approach. Guanosine (GUO) is known for its neuromodulator effects in various models of brain pathology, specifically those that involve the glutamatergic system...
January 13, 2017: Journal of Neurotrauma
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