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Brain swelling treatment

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https://www.readbyqxmd.com/read/28625889/massive-attack-of-honeybee-on-macaws-ara-ararauna-and-ara-chloropterus-in-brazil-a-case-report
#1
Elisane Lenita Milbradt, Tarcísio Macedo Silva, Alessandre Hataka, Carlos Roberto Teixeira, Adriano Sakai Okamoto, Raphael Lucio Andreatti Filho
Three adult birds of the species Ara chloropterus and five of the species Ara ararauna from a conservation breeding facility suffered a massive attack by honeybees. The A. chloropterus birds presented swollen puncture lesions with stingers (mainly in the facial regions without feathers), swelling of the eyelids and subcutaneous tissue, and respiratory distress, and they were treated with intramuscular injections of 1.67 mg/kg of promethazine and 10 mg/kg of hydrocortisone followed by removal of the stingers...
June 15, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28593893/trigonocephaly-our-experience-and-treatment-in-the-republic-of-macedonia
#2
Vladimir Mircevsk, Elizabeta Zogovska, Aleksandar Chaparoski, Mile Micunovic, Venko Filipce, Mirko Mishel Mirchevski, Milenko Kostov, Ljubica Мicunovic
INTRODUCTION: Prematurely fused metopic suture results in developmental anomaly named trigonocephaly. The treatment of trigonocephaly is a surgical reconstruction, starting from the simple suturectomy toward the complicated cranial vault reconstructions with aim to obtain enough endocranial space for normal development of the brain and aesthetic correction as well. THE AIM: The aim of our paper is to present our experience on this pathology in the Republic of Macedonia, stressing the trigonocephaly as one of the rare forms of craniosynostosis...
March 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/28573481/copper-pyrithione-a-booster-biocide-induces-abnormal-muscle-and-notochord-architecture-in-zebrafish-embryogenesis
#3
Kelly M Almond, Louis D Trombetta
The metal pyrithiones, principally zinc (ZnPT) and copper (CuPT), are replacing tributyltin (TBT) as antifouling agents. Zebrafish embryos were exposed within the first hour after fertilization to 12 and 64 µg/L of CuPT for 24 h. Morphological abnormalities in notochord and muscle architecture were observed at 96 h post fertilization (hpf). TEM revealed abnormal electron dense deposits in the notochord sheath and muscle fiber degeneration in animals treated with 12 µg/L of CuPT. Embryos that were exposed to 64 µg/L of CuPT displayed severe muscle fiber degeneration including abnormal A and I band patterning and altered z disk arrangement...
June 1, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28537343/practice-patterns-for-spasticity-management-with-phenol-neurolysis
#4
Jay Karri, Manuel F Mas, Gerard E Francisco, Sheng Li
OBJECTIVE: To present practice patterns for phenol neurolysis procedures conducted for spasticity management. DESIGN: A retrospective review of 185 persons with spasticity who underwent phenol neurolysis procedures (n = 293) at an academic rehabilitation hospital and clinic. Patient demographics, concomitant spasticity treatments, and procedure relevant information were collected. RESULTS: The cohort included 71.9% males and 61.6% inpatient procedures...
May 24, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28520567/persistent-hypotension-and-cerebral-swelling-resulting-from-mesenteric-traction-syndrome-after-omental-to-pial-pedicle-flap-transfer-in-a-young-woman-with-refractory-moyamoya-disease-a-case-report
#5
Harvey J Woehlck, Suneeta Gollapudy, Christopher J Roberts, Akinwunmi Oni-Orisan, Raphael H Sacho, Paul S Pagel
Superficial temporal arterial to middle cerebral arterial anastomosis is often the initial surgical treatment of Moyamoya disease. In refractory cases, placing a pedicle flap of omentum over the ischemic brain has resulted in clinical improvement or stabilization of symptoms. We present a case of persistent mesenteric traction syndrome manifested by hypotension unresponsive to conventional doses of vasopressors during and after pulling the omentum to the brain. As prostacyclin is a major mediator of hypotension from mesenteric traction syndrome and also a cerebral vasodilator, we discuss the possibility that brain swelling may be a manifestation of mesenteric traction syndrome...
May 17, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28515764/the-effect-of-epicatechin-on-oxidative-stress-and-mitochondrial-damage-induced-by-homocycteine-using-isolated-rat-hippocampus-mitochondria
#6
Fatemeh Shaki, Yaghoub Shayeste, Mohammad Karami, Esmaeil Akbari, Mahdi Rezaei, Ramin Ataee
Oxidative stress and mitochondrial dysfunction are the main suggested mechanisms for neurodegenerative diseases. In this study, we have evaluated the effects of epicatechin (EC) on mitochondrial damage induced by homocycteine (Hcy) using isolated rat hippocampus mitochondria in vivo. EC (50 mg/kg) was gavaged daily for a period of 10 days, starting 5 days prior to Hcy (0.5 μmol/μL) intra hippocampus injection in rats. Mitochondria were isolated from brain by different centrifuge techniques. Mitochondrial function was assayed by MTT test...
April 2017: Research in Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28508375/an-integration-of-decision-tree-and-visual-analysis-to-analyze-intracranial-pressure
#7
Soo-Yeon Ji, Kayvan Najarian, Toan Huynh, Dong Hyun Jeong
In Traumatic Brain Injury (TBI), elevated Intracranial Pressure (ICP) causes severe brain damages due to hemorrhage and swelling. Monitoring ICP plays an important role in the treatment of TBI patients because ICP is considered a strong predictor of neurological outcome and a potentially amenable method to treat patients. However, it is difficult to predict and measure accurate ICP due to the complex nature of patients' clinical conditions. ICP monitoring for severe TBI patient is a challenging problem for clinicians because traditionally known ICP monitoring is an invasive procedure by placing a device inside the brain to measure pressure...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28503134/aquaporin-4-mediated-glutamate-induced-astrocyte-swelling-is-partially-mediated-through-metabotropic-glutamate-receptor-5-activation
#8
Zhongfang Shi, Wei Zhang, Yang Lu, Yi Lu, Lixin Xu, Qing Fang, Min Wu, Mei Jia, Yujiao Wang, Liping Dong, Xu Yan, Shaohua Yang, Fang Yuan
Astrocytes are one of the most abundant cell types in the mammalian central nervous system (CNS), and astrocyte swelling is the primary event associated with brain edema. Glutamate, the principal excitatory amino acid neurotransmitter in the CNS, is released at high levels after brain injury including cerebral ischemia. This leads to astrocyte swelling, which we previously demonstrated is related to metabotropic glutamate receptor (mGluR) activation. Aquaporin 4 (AQP4), the predominant water channel in the brain, is expressed in astrocyte endfeet and plays an important role in brain edema following ischemia...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28490320/astaxanthin-protects-astrocytes-against-trauma-induced-apoptosis-through-inhibition-of-nkcc1-expression-via-the-nf-%C3%AE%C2%BAb-signaling-pathway
#9
Mingkun Zhang, Zhenwen Cui, Hua Cui, Yong Wang, Chunlong Zhong
BACKGROUND: Astaxanthin (ATX) is a carotenoid pigment with pleiotropic pharmacological properties that is seen as a possible drug for treating cerebral ischemic injury and subarachnoid hemorrhage. Na(+)-K(+)-2Cl(-) co-transporter-1 (NKCC1), an intrinsic membrane protein expressed by many cell types, is activated by various insults, leading to the formation of cell swelling and brain edema. We previously established that ATX attenuated brain edema and improved neurological outcomes by modulating NKCC1 expression after traumatic brain injury in mice...
May 10, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/28462199/giant-cell-tumor-of-temporomandibular-joint-masquerading-as-temporomandibular-joint-pain-dysfunction-syndrome-a-rare-case-report
#10
Jo Ee Sam, Rullyandrianto Pan Nuriman Rachmat, Cri Saiful Jordan Melano, Nasser Abdul Wahab
Giant cell tumor (GCT) of the craniofacial bones has been reported but they are not common. This tumor occurs more often in women than in men and predominantly affects patients around the third to fifth decade of life. GCTs are generally benign but can be locally aggressive as well. We report a case of GCT involving the temporomandibular joint (TMJ), which was initially thought to be temporomandibular disorder (TMD). A 22-year-old female presented with swelling and pain over the right temporal region for 18 months associated with jaw locking and clicking sounds...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28443599/a-pott-s-puffy-tumor-associated-with-epidural-cutaneous-fistula-and-epidural-abscess-case-report
#11
Aleksandar Perić, Milanko Milojević, Dražen Ivetić
BACKGROUND: Pott's puffy tumour 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 Pott's puffy tumour whose condition was further complicated by a draining epidural-cutaneous fistula and an epidural abscess...
May 5, 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
#12
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
#13
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
#14
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
#15
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...
August 2017: Redox Biology
https://www.readbyqxmd.com/read/28359726/migraine-a-look-down-the-nose
#16
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
#17
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
#18
RANDOMIZED CONTROLLED TRIAL
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...
May 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28320070/dexpramipexole-improves-bioenergetics-and-outcome-in-experimental-stroke
#19
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
#20
REVIEW
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...
May 2017: Expert Opinion on Therapeutic Targets
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