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Cerebral edema

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https://www.readbyqxmd.com/read/28820225/bilateral-thalamic-edema-from-coexisting-choroid-plexus-arteriovenous-malformation-and-sinus-thrombosis-case-report
#1
Ryan B Kochanski, Andrew K Johnson, Roham Moftakhar
Bilateral thalamic dysfunction secondary to venous congestion may result from either venous sinus thrombosis or high flow arteriovenous malformations or a combination of both. We present a case of bilateral thalamic edema resulting from concomitant choroid plexus arteriovenous malformation (AVM) and straight sinus thrombosis and describe our treatment approach. The patient presented with several weeks of progressive confusion and memory deficits. Magnetic resonance imaging and venography (MRI/ MRV) showed bilateral thalamic T2 hyperintensities and straight sinus thrombosis...
2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28816832/reversible-splenial-lesion-syndrome-after-intravenous-immunoglobulin-treatment-for-guillain-barre-syndrome
#2
Elif Uygur Kucukseymen, Burcu Yuksel, Fatma Genc, Eylem Ozaydin Goksu, Sevim Yildiz, Yasemin Bicer Gomceli
Reversible corpus callosum splenial (CCS) lesions have been described in patients with varied etiologies. The most common causes of previously reported reversible focal lesions of the CCS are viral encephalitis, antiepileptic drug toxicity/withdrawal, and metabolic disorders. Intravenous immunoglobulin (IVIG) therapy is used for different immune-mediated diseases. It is generally safe, and serious adverse reactions are uncommon. We presented a rare case of disturbed consciousness with reversible CCS lesions after IVIG therapy for Guillain-Barre syndrome in an adult woman...
August 14, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28816830/fatal-cerebral-edema-seizures-and-hyponatremia-after-trazodone-overdose
#3
Jose David Avila
Trazodone is a serotonin antagonist and reuptake inhibitor that is widely used for the treatment of depression and insomnia. Fatal overdose is rare and usually occurs when combined with other drugs or alcohol. Only a few lethal cases of pure trazodone overdose have been reported, all attributed to cardiotoxicity. We reported a 37-year-old woman who presented after ingesting 6.45 g of trazodone in a suicidal attempt. She was hyponatremic because of the syndrome of inappropriate antidiuretic hormone secretion and, shortly after, had a seizure and developed fatal cerebral edema...
August 14, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28816176/-severely-increased-serum-lipid-levels-in-diabetic-ketoacidosis-case-report
#4
Hrafnkell Stefansson, Kristinn Sigvaldason, Hilmar Kjartansson, Helga Águsta Sigurjonsdottir
Severe hypertriglyceridemia is a known, but uncommon complication of diabetic ketoacidosis. We discuss the case of a 23-year-old, previously healthy, woman who initially presented to the emergency department with abdominal pain. Grossly lipemic serum due to extremely high triglyceride (38.6 mmol/L) and cholesterol (23.2 mmol/L) levels were observed with a high blood glucose (23 mmol/L) and a low pH of 7.06 on a venous blood gas. She was treated successfully with fluids and insulin and had no sequale of pancreatitis or cerebral edema...
July 2017: Læknablađiđ
https://www.readbyqxmd.com/read/28812311/nad-replenishment-with-nicotinamide-mononucleotide-protects-blood-brain-barrier-integrity-and-attenuates-delayed-tpa-induced-haemorrhagic-transformation-after-cerebral-ischemia
#5
Chun-Chun Wei, Yuan-Yuan Kong, Xia-Hua, Guo-Qiang Li, Si-Li Zheng, Ming-He Cheng, Pei Wang, Chao-Yu Miao
BACKGROUND AND PURPOSE: Tissue plasminogen activator (tPA) is the only approved pharmacological therapy for acute brain ischemia; however, a major limitation of tPA is the haemorrhagic transformation followed by tPA treatment. Here, we determine whether nicotinamide mononucleotide (NMN), a key intermediate of nicotinamide adenine dinucleotide biosynthesis, would affect tPA-induced haemorrhagic transformation. EXPERIMENTAL APPROACH: Middle cerebral artery occlusion (MCAO) was achieved in CD1 mice by introducing a filament to the left MCA for 5 hours...
August 15, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28812113/-pathophysiology-of-intracranial-injuries
#6
REVIEW
D Lahner, G Fritsch
Traumatic brain injury (TBI) constitutes a heterogeneous condition that affects the most complex organ of the human body. It is commonly classified by its location as focal injury (e.g. epidural hematoma) and diffuse injury (e.g. diffuse axonal shearing injury) as well as by primary and secondary tissue injury. Accordingly, direct mechanical force causes the primary insult. The tissue damage occurring afterwards is subsumed under the term secondary brain damage. Some of these processes are overlapping and include in the early phase local cerebral ischemia resulting in excitotoxicity, which together with the triggered neuroinflammatory cascade causes the formation of cerebral edema and ultimately increased intracranial pressure once the intracranial compliance is exhausted...
August 15, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28808605/fatal-cerebral-swelling-immediately-after-cranioplasty-a-case-report
#7
Yuta Kaneshiro, Keiji Murata, Shigeru Yamauchi, Yumiko Urano
BACKGROUND: Cranioplasty is a standard neurosurgical procedure which is performed after decompressive craniotomy. Fatal complications associated with this procedure are not well documented. Here, we report a case of fatal cerebral swelling after cranioplasty and discuss the possible mechanism of this complication. CASE DESCRIPTION: A 64-year-old man was admitted with the diagnosis of cerebral hemorrhage, and emergency surgery for hemorrhage removal and decompressive craniotomy were performed...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28807772/streptococcus-agalactiae-impairs-cerebral-bioenergetics-in-experimentally-infected-silver-catfish
#8
Matheus D Baldissera, Carine F Souza, Belisa S Parmeggiani, Roberto C V Santos, Guilhian Leipnitz, Karen L S Moreira, Maria Izabel U M da Rocha, Marcelo L da Veiga, Bernardo Baldisserotto
It is becoming evident that bacterial infectious diseases affect brain energy metabolism, where alterations of enzymatic complexes of the mitochondrial respiratory chain and creatine kinase (CK) lead to an impairment of cerebral bioenergetics which contribute to disease pathogenesis in the central nervous system (CNS). Based on this evidence, the aim of this study was to evaluate whether alterations in the activity of complex IV of the respiratory chain and CK contribute to impairment of cerebral bioenergetics during Streptococcus agalactiae infection in silver catfish (Rhamdia quelen)...
August 12, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28807598/effectiveness-of-edema-management-techniques-for-subacute-hand-edema-a-systematic-review
#9
Leanne K Miller, Christina Jerosch-Herold, Lee Shepstone
STUDY DESIGN: Systematic review. INTRODUCTION: Prolonged hand edema can have detrimental effects on range of motion and function. There is no consensus on how best to manage traumatic subacute edema. This is the first systematic review which examines the clinical effectiveness of edema treatments on hand volume. PURPOSE OF THE STUDY: The purpose of this systematic review was to examine the evidence of effectiveness of treatments for sub-acute hand edema...
August 11, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28805973/experimental-and-clinical-evidence-of-differential-effects-of-magnesium-sulfate-on-neuroprotection-and-angiogenesis-in-the-fetal-brain
#10
Matthieu Lecuyer, Marina Rubio, Clément Chollat, Maryline Lecointre, Sylvie Jégou, Philippe Leroux, Carine Cleren, Isabelle Leroux-Nicollet, Loic Marpeau, Denis Vivien, Stéphane Marret, Bruno J Gonzalez
Clinical studies showed beneficial effects of magnesium sulfate regarding the risk of cerebral palsy. However, regimen protocols fluctuate worldwide and risks of adverse effects impacting the vascular system have been reported for human neonates, keeping open the question of the optimal dosing. Using clinically relevant concentrations and doses of magnesium sulfate, experiments consisted of characterizing, respectively, ex vivo and in vivo, the effects of magnesium sulfate on the nervous and vascular systems of mouse neonates by targeting neuroprotection, angiogenesis, and hemodynamic factors and in measuring, in human fetuses, the impact of a 4-g neuroprotective loading dose of magnesium sulfate on brain hemodynamic parameters...
August 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28798926/rare-case-of-cryptogenic-brain-abscess-caused-by-raoultella-ornithinolityca
#11
Marianna Luongo
Cerebral abscess is a potentially fatal neurosurgical condition, despite improvements in technology, new antimicrobial agents and modern neurosurgical instruments and techniques. I report the case of a 64-year-old woman, affected by a right frontobasal brain abscess, compressing the homolateral frontal horn of lateral ventricle, with a second mass partially occupying the right orbital cavity. She presented also with inflammatory sinusopathy involving the right maxillary, ethmoid and frontal sinuses. After 14 d of clinical observation and antimicrobial therapy, the patient received a computed tomography scan, which showed growth of the cerebral mass, with a ring of peripheral contrast enhancement and surrounding edema...
July 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28795995/toxic-myocarditis-caused-by-acetaminophen-in-a-multidrug-overdose
#12
Maxime Gosselin, Yann Dazé, Pascal Mireault, Marie Crahes
We report the case of an 18-year-old woman with personality disorders who was hospitalized a few hours after suicidal ingestion of acetaminophen, quetiapine, acetylsalicylic acid, and ethanol. Twelve hours after admission, severe liver damage was evident, but the patient was stable and awaiting hepatic transplantation. Electrolytes were successfully controlled. The condition of the liver stabilized. Cardiac biomarkers then deteriorated unexpectedly. Localized ST-segment elevations were noted on electrocardiogram, but angiography ruled out myocardial infarction...
August 9, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28793877/subarachnoid-small-vein-occlusion-due-to-inflammatory-fibrosis-a-possible-mechanism-for-cerebellar-infarction-in-cryptococcal-meningoencephalitis-a-case-report
#13
Yoshiteru Shimoda, Satoru Ohtomo, Hiroaki Arai, Takashi Ohtoh, Teiji Tominaga
BACKGROUND: Cryptococcal meningoencephalitis (CM) causes cerebral infarction, typically, lacunar infarction in the basal ganglia. However, massive cerebral infarction leading to death is rare and its pathophysiology is unclear. We report a case of CM causing massive cerebellar infarction, which led to cerebral herniation and death. CASE PRESENTATION: A 56-year-old man who suffered from dizziness and gait disturbance for one month was admitted to our hospital and subsequently diagnosed with a cerebellar infarction...
August 9, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28781177/impact-of-a-newly-constructed-motor-vehicle-road-on-altitude-illness-in-the-nepal-himalayas
#14
Jonathan Reisman, Dinesh Deonarain, Buddha Basnyat
OBJECTIVE: This study investigated the impact that motor vehicle travel along a newly constructed road has on altitude illness (including acute mountain sickness, high-altitude cerebral edema, and high-altitude pulmonary edema). The new road from Besisahar (760 m) to Manang (3540 m) in Nepal was completed in December 2014. METHODS: We enrolled all patients diagnosed with altitude illness at the Himalayan Rescue Association Manang clinic in fall 2016. Phi coefficients were calculated to test for an association between Nepali ethnicity and rapid ascent by motor vehicle...
August 3, 2017: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/28775140/predictors-for-cerebral-edema-in-acute-ischemic-stroke-treated-with-intravenous-thrombolysis
#15
Magnus Thorén, Elsa Azevedo, Jesse Dawson, Jose A Egido, Anne Falcou, Gary A Ford, Staffan Holmin, Robert Mikulik, Jyrki Ollikainen, Nils Wahlgren, Niaz Ahmed
BACKGROUND AND PURPOSE: Cerebral edema (CED) is a severe complication of acute ischemic stroke. There is uncertainty regarding the predictors for the development of CED after cerebral infarction. We aimed to determine which baseline clinical and radiological parameters predict development of CED in patients treated with intravenous thrombolysis. METHODS: We used an image-based classification of CED with 3 degrees of severity (less severe CED 1 and most severe CED 3) on postintravenous thrombolysis imaging scans...
August 3, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28769792/danshen-chuanxiong-honghua-ameliorates-cerebral-impairment-and-improves-spatial-cognitive-deficits-after-transient-focal-ischemia-and-identification-of-active-compounds
#16
Xianhua Zhang, Wan Zheng, Tingrui Wang, Ping Ren, Fushun Wang, Xinliang Ma, Jian Wang, Xi Huang
Previously, we only apply a traditional Chinese medicine (TCM) Danshen-Chuanxiong-Honghua (DCH) for cardioprotection via anti-inflammation in rats of acute myocardial infarction by occluding coronary artery. Presently, we select not only DCH but also its main absorbed compound ferulic acid (FA) for cerebra protection via similar action of mechanism above in animals of the transient middle cerebral artery occlusion (tMCAO). We investigated whether oral administration of DCH and FA could ameliorate MCAO-induced brain lesions in animals...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28762110/technique-for-rerouting-a-bridging-vein-that-hinders-the-anterior-interhemispheric-approach-a-technical-note
#17
Kenta Ohara, Tomohiro Inoue, Hideaki Ono, Satoshi Kiyofuji, Akira Tamura, Isamu Saito
BACKGROUND: The frontal bridging vein, which is the venous drainage route of the frontal cortex into the superior sagittal sinus (SSS), sometimes poses an obstacle in the anterior interhemispheric approach during surgery for anterior cerebral artery aneurysms. Although severe complications including venous infarction or edema due to damage to the bridging vein are well known, only a few reports have discussed how to avoid venous injury when we must sacrifice the bridging vein to obtain an appropriate surgical field...
August 1, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28760594/s-oxiracetam-protect-against-ischemic-stroke-via-alleviating-blood-brain-barrier-dysfunction-in-rats
#18
Liangliang Huang, Erxin Shang, Wenxiang Fan, Xiang Li, Binbin Li, Shucheng He, Yuxin Fu, Yizhi Zhang, Yunman Li, Weirong Fang
The blood brain barrier (BBB) maintains the basic stability of the brain tissue under physiological conditions, while destroys and exaggerates brain edema and inflammatory response after ischemic stroke. In this study, we researched S-oxiracetam (S-ORC), a nootropic drug, alleviates BBB dysfunction and protects against ischemic stroke in rats. Middle cerebral artery occlusion(MCAO)/reperfusion in rats is applied to mimic ischemic stroke. One hour after reperfusion, rats are administered intravenously with different dose (0...
July 29, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28758759/-autologous-cranioplasty-with-a-bone-flap-preserved-subcutaneously-in-the-mesogastrium
#19
M Hampl, L Hrabálek, M Vaverka, D Krahulík, V Novák, M Halaj, P Stejskal
INTRODUCTION: Cranioplasty with autologous bone flap is indicated in patients who have undergone decompressive craniectomy. Although it is an elective procedure, literature data indicate complication rates of up to 30%. The aim of this paper is to present our experience with cranioplasty with the patients own bone flap stored subcutaneously in the mesogastrium. METHODS: We retrospectively analyzed a set of 92 patients who had undergone cranioplasty after decompressive craniectomy using autologous graft preserved subcutaneously in the mesogastrium...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28755916/early-emerging-markers-of-delayed-cerebral-ischemia-following-aneurysmal-subarachnoid-hemorrhage-a-literature-review
#20
REVIEW
Fawaz Al-Mufti, Krishna Amuluru, Brendan Smith, Nitesh Damodara, Mohammad El-Ghanem, Inder P Singh, Neha Dangayach, Chirag D Gandhi
BACKGROUND: Delayed cerebral ischemia following aneurysmal subarachnoid hemorrhage is characterized by a highly complex pathophysiology and results in neurological deterioration after the inciting bleed. Despite its significant consequences, prompt diagnosis can be elusive and treatment is often administered too late. Early brain injury, which occurs within the first 72 hours post-ictus, may be an important factor for delayed cerebral ischemia and poor overall outcome. Here we explore the purported clinical and pathological manifestations of early brain injury to identify biomarkers that could have prognostic value...
July 26, 2017: World Neurosurgery
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