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Brain swelling treatment

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https://www.readbyqxmd.com/read/29754589/orbital-t-cell-lymphoma-in-youngest-recorded-patient-early-diagnosis-management-and-successful-outcome-a-case-report-and-review-of-the-literature
#1
Hind Manaa Alkatan, Saleh Hamad Alrashed, Ammar C Al-Rikabi, Yasser H Al-Faky
BACKGROUND: Primary orbital peripheral T-cell lymphoma, not otherwise specified is an exceedingly rare disorder with a very poor outcome, and to the best of our knowledge only a few cases have been reported in the English literature. We present the youngest reported case describing the successful outcome after management with a thorough review of the English literature of all the reported cases of primary peripheral T-cell lymphoma, not otherwise specified. CASE PRESENTATION: Our patient is a 3-year-old Syrian boy who presented with gradual progressive orbital swelling...
May 14, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29743006/unique-properties-associated-with-the-brain-penetrant-iron-chelator-hbed-reveal-remarkable-beneficial-effects-after-brain-trauma
#2
Saher Khalaf, Abdullah Shafique Ahmad, K V D Ranga Chamara, Sylvain Dore
Iron is postulated to contribute to secondary injury after brain trauma through various pathways including oxidative stress and inflammation. Therefore, one goal is to limit iron toxicity by either directly limiting iron activity, or limiting the secondary cascade mediated by iron, therefore rescuing brain damage after trauma. HBED is a unique iron chelator that has the ability to cross the intact blood brain barrier, it has a higher affinity to iron, and it has a longer half-life than most commonly used chelators...
May 10, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29710476/acanthopanax-senticosus-reduces-brain-injury-in-mice-exposed-to-low-linear-energy-transfer-radiation
#3
A Yingyu Zhou, B Wei Song, C Yilei Fu, D Denis Baranenko, E Jiaping Wang, F Yongzhi Li, G Weihong Lu
BACKGROUND: Compared with pharmaceuticals, natural medicines are gaining acceptance as countermeasures against radiation injury because of their distinct characteristics, specifically low toxicity and multi-target effects. METHODS: The ability of a traditional Chinese medicine, Acanthopanax senticosus (AS), to reduce radiation injury following exposure of the heads of mice to 4?Gy low-linear energy transfer (LET) radiation was assessed histologically, behaviorally and metabolically''...
March 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29681849/danhong-injection-combined-with-t-pa-improves-thrombolytic-therapy-in-focal-embolic-stroke
#4
Min Li, Jing Zhou, Weifeng Jin, Xiaohong Li, Yuyan Zhang
Background: Hemorrhagic transformation, neurotoxicity, short treatment time windows, and other defects are considered as the major limitations for the thrombolytic therapy. This study is devoted to figure out whether Danhong injection (DHI) combined with tissue-plasminogen activator (t-PA) could extend the treatment time windows and ameliorate brain injury, hemorrhagic complication and BBB disruption after focal embolic stroke. Methods: In vitro , the combined concentrations of DHI and t-PA were added to wells reacted with plasminogen and D-Val-Leu-Lys-AMC...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29650593/human-neural-stem-cell-extracellular-vesicles-improve-recovery-in-a-porcine-model-of-ischemic-stroke
#5
Robin L Webb, Erin E Kaiser, Brian J Jurgielewicz, Samantha Spellicy, Shelley L Scoville, Tyler A Thompson, Raymond L Swetenburg, David C Hess, Franklin D West, Steven L Stice
BACKGROUND AND PURPOSE: Recent work from our group suggests that human neural stem cell-derived extracellular vesicle (NSC EV) treatment improves both tissue and sensorimotor function in a preclinical thromboembolic mouse model of stroke. In this study, NSC EVs were evaluated in a pig ischemic stroke model, where clinically relevant end points were used to assess recovery in a more translational large animal model. METHODS: Ischemic stroke was induced by permanent middle cerebral artery occlusion (MCAO), and either NSC EV or PBS treatment was administered intravenously at 2, 14, and 24 hours post-MCAO...
April 12, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29648981/glibenclamide-produces-region-dependent-effects-on-cerebral-edema-in-a-combined-injury-model-of-traumatic-brain-injury-and-hemorrhagic-shock-in-mice
#6
Ruchira Jha, Bradley J Molyneaux, Travis C Jackson, Jessica Wallisch, Seo-Young Park, Samuel M Poloyac, Vincent A Vagni, Keri L Janesko-Feldman, Keito Hoshitsuki, Margaret Beth Minnigh, Patrick M Kochanek
Cerebral edema is critical to morbidity/mortality in TBI and is worsened by hypotension. Glibenclamide may reduce cerebral edema by inhibiting sulfonylurea receptor-1 (Sur1); its effect on diffuse cerebral edema exacerbated by hypotension/resuscitation is unknown. We aimed to determine if glibenclamide improves pericontusional and/or diffuse edema in controlled cortical impact (CCI, 5m/s, 1 mm-depth)+hemorrhagic shock (HS, 35 minutes), and compare its effects in CCI alone. C57/BL6 mice were divided into 5 groups (n=10/group): naïve, CCI+vehicle, CCI+glibenclamide, CCI+HS+vehicle, and CCI+HS+glibenclamide...
March 8, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29627628/early-administration-of-hypertonic-hyperoncotic-hydroxyethyl-starch-hyperhes-improves-cerebral-blood-flow-and-outcome-after-experimental-subarachnoid-hemorrhage-in-rats
#7
Nadine Lilla, Christoph Rinne, Judith Weiland, Thomas Linsenmann, Ralf-Ingo Ernestus, Thomas Westermaier
OBJECTIVE: Early cytotoxic brain edema may be one decisive factor which maintains a vicious of cerebral malperfusion after subarachnoid hemorrhage (SAH). In addition, endothelial cell swelling may be an independent factor restricting cerebral blood flow (CBF) in a very early stage after SAH. Immediate and aggressive treatment may be able to restore CBF in this critical period. MATERIALS AND METHODS: Male Sprague-Dawley rats were subjected to SAH by the endovascular filament model and treated by a bolus of hyperoncotic-hypertonic hydroxyethyl starch (HyperHES 4 ml/kg body weight) immediately after vessel perforation and 150 min later (n = 12) or by the same amount of normal saline (n = 9)...
April 5, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29605485/a-camp-analog-attenuates-beta-amyloid-1-42-induced-mitochondrial-dysfunction-and-spatial-learning-and-memory-deficits
#8
Mehdi Aghsami, Mohammad Sharifzadeh, Mohammad Reza Sepand, Meysam Yazdankhah, Seyed Afshin Seyednejad, Jalal Pourahmad
Alzheimer's disease (AD), a neurodegenerative disorder in elderly, is indicated with deposition of Amyloid β (Aβ) in the brain and accompanied with cognitive impairment. Bucladesine, a phosphodiesterase inhibitor, may ameliorate AD's cognitive dysfunctions through mimicking the action of cAMP and raising its intracellular level. Here, we investigated the effects of bucladesine on Aβ-induced memory and learning impairment in a Morris water maze (MWM) model. Rats were injected with bucladesine (1 μl/side from a 100 μM stock solution) and Aβ (1 μl/side from a 100 μM stock solution) intra-hippocampally and after 19 days were trained for 4 successive days...
March 29, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29595192/blockade-of-the-swelling-induced-chloride-current-attenuates-the-mouse-neonatal-hypoxic-ischemic-brain-injury-in-vivo
#9
Raymond Wong, Ahmed Abussaud, Joseph Wh Leung, Bao-Feng Xu, Fei-Ya Li, Sammen Huang, Nai-Hong Chen, Guan-Lei Wang, Zhong-Ping Feng, Hong-Shuo Sun
Activation of swelling-induced Cl- current (ICl,swell ) during neonatal hypoxia-ischemia (HI) may induce brain damage. Hypoxic-ischemic brain injury causes chronic neurological morbidity in neonates as well as acute mortality. In this study, we investigated the role of ICl,swell in hypoxic-ischemic brain injury using a selective blocker, 4-(2-butyl-6,7-dichloro-2-cyclopentylindan-1-on-5-yl) oxybutyric acid (DCPIB). In primary cultured cortical neurons perfusion of a 30% hypotonic solution activated ICl,swell , which was completely blocked by the application of DCPIB (10 μmol/L)...
March 29, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29574098/inhibition-of-mitochondrial-permeability-transition-pore-opening-contributes-to-cannabinoid-type-1-receptor-agonist-acea-induced-neuroprotection
#10
Lei Ma, Wen Niu, Shuai Yang, Junbin Tian, Hanlin Luan, Ming Cao, Wenbin Xi, Weifeng Tu, Ji Jia, Jianrui Lv
Cannabinoid type 1 (CB1) receptor agonist arachidonyl-2-chloroethylamide (ACEA) induces neuroprotection against brain ischemia, and the mechanism, however, is still elusive. In this study, we used bilateral common carotid artery occlusion (BCCAO) in mice and oxygen-glucose deprivation (OGD) in primary cultured neurons to mimic brain ischemic injury, and hypothesized that cannabinoid CB1 receptor agonist ACEA protects ischemic neurons via inhibiting the opening of mitochondrial permeability transition pore (MPTP)...
March 21, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29519969/-an-autopsy-case-of-meningoencephalitis-and-cerebral-infarction-that-developed-with-ramsay-hunt-syndrome-and-disseminated-herpes-zoster
#11
Nobuo Yamashiro, Takamura Nagasaka, Naoki Ooishi, Mai Tsuchiya, Ryusuke Takaki, Fumikazu Kobayashi, Kazumasa Shindo, Yoshihisa Takiyama
We report here the clinical presentation and subsequent autopsy of a 90-year-old man who developed small papules with pain and swelling in his right ear. On admission, he exhibited right facial nerve paralysis, neck stiffness and Kernig's sign. The cell count was elevated and the varicella-zoster virus-PCR was positive in the CSF. Brain magnetic resonance imaging showed hyperintense lesions in the left pons and left temporal lobe, in FLAIR images. We diagnosed the patient with Ramsay Hunt syndrome and meningoencephalitis due to varicella-zoster virus...
March 2018: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29516694/-effects-of-moxibustion-on-ventricular-mass-index-and-expression-of-apoptosis-related-proteins-in-myocardium-of-rats-with-chronic-heart-failure
#12
Dan Li, Qing-Ling Li, Qiang Ma, Na-Na Liu, Jia-Hui Yang, Yong-Lei Zeng, Ling He, Hui Tan, Xue-Zhao Jia, Jing Wang
OBJECTIVE: To observe the effect of moxibustion on cardiac function and the expression of B-cell lymphoma-2 (Bcl-2), Bcl-2 associated X (Bax), Fas, Fas ligand (FasL) in cardiomyocytes of chronic heart failure (CHF) rats, so as to explore its underlying mechanisms in preventing and treating CHF. METHODS: SD rats were randomly divided into normal control, model, moxibustion, Captopril and moxibustion + Captopril (M+C) groups ( n =12 rats/group). The CHF model was established by intraperitoneal injection of Adriamycin (ADR, from 1 to 4 mg/kg, once every other day for 15 days)...
February 25, 2018: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29513757/comparison-of-neuroprotective-efficacy-of-poly-arginine-r18-and-r18d-d-enantiomer-peptides-following-permanent-middle-cerebral-artery-occlusion-in-the-wistar-rat-and-in-vitro-toxicity-studies
#13
Diego Milani, Megan C Bakeberg, Jane L Cross, Vince W Clark, Ryan S Anderton, David J Blacker, Neville W Knuckey, Bruno P Meloni
We have previously demonstrated that arginine-rich and poly-arginine peptides possess potent neuroprotective properties, with poly-arginine peptide R18 identified as being highly effective at reducing infarct volume following middle cerebral artery occlusion (MCAO) in the Sprague Dawley rat. Since peptides synthesised using D-isoform amino acids have greater stability than L-isoform peptides due to increased resistance to proteolytic degradation, they represent potentially more effective peptide therapeutics...
2018: PloS One
https://www.readbyqxmd.com/read/29512783/therapeutic-window-for-yc%C3%A2-1-following-glutamate%C3%A2-induced-neuronal-damage-and-transient-focal-cerebral-ischemia
#14
Shih-Huang Tai, Wei-Ting Lee, Ai-Chiang Lee, Yu-Wen Lin, Hsin-Yi Hung, Sheng-Yang Huang, Tian-Shung Wu, E-Jian Lee
3-(5'-Hydroxymethyl-2'-furyl)-1-benzylindazole (YC-1), has been demonstrated to inhibit platelet aggregation, vascular contraction and hypoxia‑inducible factor 1 activity in vitro and in vivo. The present study investigated the neuroprotective efficacy of YC‑1 in cultured neurons exposed to glutamate‑induced excitotoxicity and in an animal model of stroke. In a cortical neuronal culture model, YC‑1 demonstrated neurotoxicity at a concentration >100 µM, and YC‑1 (10‑30 µM) achieved potent cytoprotection against glutamate‑induced neuronal damage...
May 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29496620/superior-calvarial-bone-regeneration-using-pentenoate-functionalized-hyaluronic-acid-hydrogels-with-devitalized-tendon-particles
#15
Jakob M Townsend, Brian T Andrews, Yi Feng, Jinxi Wang, Randolph J Nudo, Erik Van Kampen, Stevin H Gehrke, Cory J Berkland, Michael S Detamore
Traumatic brain injury (TBI) is a life-threatening condition defined by internal brain herniation. Severe TBI is commonly treated by a two-stage surgical intervention, where decompressive craniectomy is first conducted to remove a large portion of calvarial bone and allow unimpeded brain swelling. In the second surgery, spaced weeks to months after the first, cranioplasty is performed to restore the cranial bone. Hydrogels with paste-like precursor solutions for surgical placement may potentially revolutionize TBI treatment by permitting a single-stage surgical intervention, capable of being implanted with the initial surgery, remaining pliable during brain swelling, and tuned to regenerate calvarial bone after brain swelling has subsided...
April 15, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29492757/glibenclamide-prevents-water-diffusion-abnormality-in-the-brain-after-cardiac-arrest-in-rats
#16
Kaibin Huang, Ziyue Wang, Yong Gu, Zhong Ji, Zhenzhou Lin, Shengnan Wang, Suyue Pan, Yongming Wu
BACKGROUND: Glibenclamide (GBC) improves neurological outcome after cardiac arrest (CA) in rats. In this study, we sought to elucidate the mechanism responsible for the neuroprotective effects of GBC by using a high-field MRI system. METHODS: Male Sprague-Dawley rats were subjected to 10-min asphyxial CA followed by cardiopulmonary resuscitation (CPR). Diffusion-weighted imaging (DWI) as well as conventional T2-weighted imaging was conducted prior to CA and at 24, 48, and 72 h after resuscitation...
February 28, 2018: Neurocritical Care
https://www.readbyqxmd.com/read/29484895/in-vivo-evaluation-of-withania-somnifera-based-indian-traditional-formulation-amukkara-choornam-against-chikungunya-virus-induced-morbidity-and-arthralgia
#17
Jaspreet Jain, Vimal Narayanan, Shivam Chaturvedi, Somnath Pai, Sujatha Sunil
Chikungunya viral fever results in extreme morbidity and arthralgia in affected individuals. Currently, modern medicines providing symptomatic relief for the acute febrile phase and the chronic arthritic phase are only options available. Traditional Indian medical system, however, uses specific formulations for treatment of this infection; one such polyherbal formulation used to treat the postpyretic phase of chikungunya is amukkara choornam. The current study was undertaken to study the efficacy of amukkara choornam in the treatment of chikungunya in C57BL/6J mice...
January 2018: Journal of evidence-based integrative medicine
https://www.readbyqxmd.com/read/29462606/limb-remote-ischemic-post-conditioning-mitigates-brain-recovery-in-a-mouse-model-of-ischemic-stroke-by-regulating-reactive-astrocytic-plasticity
#18
Xue Cheng, Haiping Zhao, Feng Yan, Zhen Tao, Rongliang Wang, Ziping Han, Guangwen Li, Yumin Luo, Xunming Ji
Maladaptive alterations of astrocytic plasticity may cause brain edema in the acute stage of stroke and glial scar formation in the recovery stage. The present study was designed to investigate the potential regulation of limb remote ischemic post-conditioning (RIPC) on astrocytic plasticity in experimental cerebral ischemia-reperfusion injury. Cerebral ischemia was induced by transient middle cerebral artery occlusion (tMCAO) for 1 h in C57BL/6 mice, who were treated with RIPC immediately after reperfusion...
May 1, 2018: Brain Research
https://www.readbyqxmd.com/read/29447082/radiologic-measurement-of-brain-swelling-in-patients-with-large-hemispheric-infarctions-during-targeted-temperature-management
#19
Won Joo Jeong, Jae Seung Bang, Kyu Sun Yum, Sangkil Lee, Inyoung Chung, O-Ki Kwon, Chang Wan Oh, Beom Joon Kim, Hee-Joon Bae, Moon-Ku Han
Brain herniation is most often the result of severe brain swelling and can rapidly lead to death or brain death. We retrospectively identified radiologic indicators to evaluate the effects of targeted temperature management (TTM) on the extent of cerebral edema and determine the cutoff values that best predict TTM outcomes in patients with large hemispheric infarction. We retrospectively reviewed brain computed tomography (CT) scans of 21 patients with large hemispheric infarctions, who were treated with TTM...
February 15, 2018: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/29416907/aneurysm-trapping-by-both-direct-and-endovascular-surgery-for-vertebral-artery-dissection-a-case-report
#20
Makoto Katsuno, Akira Matsuno
Background: Although vertebral artery (VA) dissecting aneurysms are treated by direct or endovascular surgery, some disadvantages are associated with each surgery. Therefore, the type of surgery should be selected based on the condition of the aneurysm. We performed aneurysm trapping by endovascular surgery via the contralateral VA after proximal direct ligation with bypass to prevent complications as well as achieve complete treatment. Case Description: We attempted to insert a distal clip to achieve complete trapping of the ruptured VA dissecting aneurysm after proximal ligation with occipital artery-posterior inferior cerebellar artery (PICA) anastomosis; however, the operative field was limited by the existence of lower cranial nerves, brain swelling, and tortuosity of VA...
2018: Surgical Neurology International
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