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https://www.readbyqxmd.com/read/29166539/an-unusual-cause-of-headache-and-sudden-death-of-a-young-sailor-postmortem-computed-tomography-and-histological-findings-of-a-fatal-retroperitoneal-malignant-mixed-germ-cell-tumor
#1
Belinda Lee, Michelle Chan, Ronald Goh
A 26-year-old Caucasian sailor, with no past medical history aside from headache for the last 1 week, was found dead in his cabin. The body was stored in a refrigerator on board and disembarked for autopsy 3 days later. Autopsy showed a large, nodular, necrotic and hemorrhagic retroperitoneal mass, and smaller hemorrhagic nodules in the brain, lungs, liver, and left kidney, with the brain being markedly edematous. Both testes were descended and normal. Histologically, the retroperitoneal mass showed a malignant mixed germ cell tumor comprising choriocarcinoma, embryonal carcinoma, and teratoma components...
November 22, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29165556/resumption-of-oral-anticoagulation-following-traumatic-injury-and-risk-of-stroke-and-bleeding-in-patients-with-atrial-fibrillation-a-nationwide-cohort-study
#2
Laila Staerk, Emil Loldrup Fosbøl, Morten Lamberts, Anders Nissen Bonde, Kasper Gadsbøll, Caroline Sindet-Pedersen, Ellen A Holm, Thomas Alexander Gerds, Brice Ozenne, Gregory Y H Lip, Christian Torp-Pedersen, Gunnar Hilmar Gislason, Jonas Bjerring Olesen
Aims: We examined the risks of all-cause mortality, stroke, major bleeding, and recurrent traumatic injury associated with resumption of vitamin K antagonists (VKAs) and non-VKAs oral anticoagulants (NOACs) following traumatic injury in atrial fibrillation (AF) patients. Methods and results: This was a Danish nationwide registry-based study (2005-16), including 4541 oral anticoagulant (OAC)-treated AF patients experiencing traumatic injury (defined as traumatic brain injury, hip fracture, or traumatic torso or abdominal injury)...
November 18, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29164980/role-of-flunarizine-hydrochloride-in-secondary-brain-injury-following-intracerebral-hemorrhage-in-rats
#3
Jianping Niu, Rui Hu
This study aimed to explore the role and mechanism(s) of flunarizine hydrochloride in the intracerebral hemorrhage (ICH) rats. The 32 adult male Sprague Dawley (SD) rats were randomly assigned into four groups: control group, sham group, ICH group, and FLU + ICH group. The effects of flunarizine hydrochloride were assessed on the basis of hematoma volume, blood-brain barrier (BBB) integrity, and brain water content in the ICH rat models. The role of flunarizine hydrochloride in cell recovery was assessed by behavioral scores, quantitative real-time polymerase chain reaction (qRT-PCR), and western blot assay...
November 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29163745/possible-reversible-cerebral-vasoconstriction-syndrome-associated-with-eucalyptus-case-report
#4
Daniel Lapid, Mohtashim Arbaab Qureshi, Ihtesham Aatif Quresh, Mohammed Rauf Afzal, Alberto Maud, Gustavo J Rodriguez, Rakesh Khatri
Background: Reversible cerebral vasoconstrictive syndrome (RCVS) has characteristic clinical features, brain imaging and Angiographic features. The majority of RCVS cases are associated with the use of antidepressants, polysubstance abuse, and nasal decongestants. We here present a case that highlights the use of eucalyptus herbs as a possible precipitant factor for RCVS formation. Case Presentation: A 42-year-old woman presented to the emergency department with a tingling sensation on the right-hand side of her body and a two-week progressive throbbing severe holocranial headache radiating to the neck, with associated nausea, photophobia, and phonophobia...
October 2017: Journal of Vascular and Interventional Neurology
https://www.readbyqxmd.com/read/29163332/clinical-use-of-cerebral-microdialysis-in-patients-with-aneurysmal-subarachnoid-hemorrhage-state-of-the-art
#5
REVIEW
Raimund Helbok, Mario Kofler, Alois Josef Schiefecker, Maxime Gaasch, Verena Rass, Bettina Pfausler, Ronny Beer, Erich Schmutzhard
Objective: To review the published literature on the clinical application of cerebral microdialysis (CMD) in aneurysmal subarachnoid hemorrhage (SAH) patients and to summarize the evidence relating cerebral metabolism to pathophysiology, secondary brain injury, and outcome. Methods: Study selection: Two reviewers identified all manuscripts reporting on the clinical use of CMD in aneurysmal SAH patients from MEDLINE. All identified studies were grouped according to their focus on brain metabolic changes during the early and subacute phase after SAH, their association with mechanisms of secondary brain injury and outcome...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29163015/resveratrol-attenuates-early-brain-injury-after-experimental-subarachnoid-hemorrhage-via-inhibition-of-nlrp3-inflammasome-activation
#6
Xiangsheng Zhang, Qi Wu, Qingrong Zhang, Yue Lu, Jingpeng Liu, Wei Li, Shengyin Lv, Mengliang Zhou, Xin Zhang, Chunhua Hang
Previous studies have demonstrated resveratrol (RSV) has beneficial effects in early brain injury (EBI) after subarachnoid hemorrhage (SAH). However, the beneficial effects of RSV and the underlying mechanisms have not been clearly identified. The nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome activation plays a crucial role in the EBI pathogenesis. The aim of this study was to investigate the role of RSV on the NLRP3 inflammasome signaling pathway and EBI in rats after SAH...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29162596/lactadherin-promotes-microvesicle-clearance-to-prevent-coagulopathy-and-improves-survival-of-severe-tbi-mice
#7
Yuan Zhou, Wei Cai, Zilong Zhao, Tristan Hilton, Min Wang, Jason Yeon, Wei Liu, Fangyi Zhang, Fu-Dong Shi, Xiaoping Wu, Perumal Thiagarajan, Min Li, Jianning Zhang, Jing-Fei Dong
Coagulopathy is common in patients with traumatic brain injury (TBI) and predicts poor clinical outcomes. We have shown that brain-derived extracellular microvesicles, including extracellular mitochondria, play a key role in the development of TBI-induced coagulopathy. Here, we further show in mouse models that the apoptotic cell-scavenging factor lactadherin, given at a single dose of 400 µg/kg 30 min before (preconditioning) or 30 min after cerebral fluid percussion injury, prevented coagulopathy as defined by clotting time, fibrinolysis, intravascular fibrin deposition, and microvascular bleeding of the lungs...
November 21, 2017: Blood
https://www.readbyqxmd.com/read/29162556/recombinant-netrin-1-binding-unc5b-receptor-attenuates-neuroinflammation-and-brain-injury-via-ppar%C3%AE-nf%C3%AE%C2%BAb-signaling-pathway-after-subarachnoid-hemorrhage-in-rats
#8
Zongyi Xie, Lei Huang, Budbazar Enkhjargal, Cesar Reis, Weifeng Wan, Jiping Tang, Yuan Cheng, John H Zhang
Neuroinflammation is an essential mechanism involved in the pathogenesis of subarachnoid hemorrhage (SAH)-induced brain injury. Recently, Netrin-1 (NTN-1) is well established to exert anti-inflammatory property in non-nervous system diseases through inhibiting infiltration of neutrophil. The present study was designed to investigate the effects of NTN-1 on neuroinflammation, and the potential mechanism in a rat model of SAH. Two hundred and ninety-four male Sprague Dawley rats (weight 280-330 g) were subjected to the endovascular perforation model of SAH...
November 18, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29160113/superficial-siderosis-of-central-nervous-system-with-unknown-cause-report-of-2-cases-and-review-of-the-literature
#9
Hao Chen, Hafiz Khuram Raza, Jia Jing, Xinchun Ye, Zuohui Zhang, Fang Hua, Guiyun Cui
OBJECTIVE: To report 2 cases of superficial siderosis of central nervous system (SS-CNS) and a review of the literature. METHODS: We have analyzed the clinical data and relevant features of two patients with SS-CNS who were presented with ataxia and slurred speech. Both patients undertook blood tests, lumbar puncture, head CT (computer tomography) scans, and brain and spinal cord magnetic resonance (MR) scans. In addition, the first patient also undewent enhanced susceptibility-weighted angiography (ESWAN) and the second patient undertook susceptibility weighted imaging (SWI) scan...
November 21, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29159958/evaluation-of-a-low-risk-mild-traumatic-brain-injury-and-intracranial-hemorrhage-emergency-department-observation-protocol
#10
Brian J Yun, Pierre Borczuk, Lulu Wang, Stephen Dorner, Benjamin A White, Ali S Raja
OBJECTIVES: Among emergency physicians, there is wide variation in admitting practices for patients who suffered a mild traumatic brain injury (TBI) with an intracranial hemorrhage (ICH). The purpose of this study was to evaluate the effects of implementing a protocol in the emergency department (ED) observation unit for patients with mild TBI and ICH. METHODS: This retrospective cohort study was approved by the Institutional Review Board. Study subjects were patients ≥18 years of age with an International Classification of Diseases (ICD) code corresponding to a traumatic IC, and admitted to an ED observation unit (EDOU) of an urban, academic level 1 trauma center between February 1, 2015 and January 31, 2017...
November 20, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29159600/early-seizure-prophylaxis-in-traumatic-brain-injuries-revisited-a-prospective-observational-study
#11
Desmond Khor, Jinglan Wu, Quanqiu Hong, Elizabeth Benjamin, Shuiming Xiao, Kenji Inaba, Demetrios Demetriades
INTRODUCTION: Pharmacological prophylaxis for early seizures following traumatic brain injury (TBI) is a recommendation in the Brain Trauma Foundation Guidelines. However, several studies have challenged the efficacy and safety of this practice, resulting in varied practice across centers around the world. The purpose of the present study was to compare the incidence of early clinical seizures following TBI, between two large centers, a US Center that practises routine seizure prophylaxis and a Chinese Center that does not use seizure prophylaxis following TBI...
November 20, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29159151/a-case-of-unusual-presentation-of-contrast-induced-encephalopathy-after-cerebral-angiography-using-iodixanol
#12
Jun Chul Park, Jun Hyong Ahn, In Bok Chang, Jae Keun Oh, Ji Hee Kim, Joon Ho Song
Contrast-induced encephalopathy after cerebral angiography is a rare complication and until now, only few cases have been reported. This paper reports on contras-induced encephalopathy mimicking meningoencephalitis after cerebral angiography by using iodixanol, an iso-osmolar non-ionic contrast agent. A 58-year-old woman underwent cerebral angiography for the evaluation of multiple intracranial aneurysms. A few hours later, she had persistent headache, vomiting, fever, and seizures. Brain computed tomography (CT) showed sulcal obliteration of right cerebral hemisphere and cerebrospinal fluid profile was unremarkable...
September 2017: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/29158865/-anesthesiological-aspects-and-complications-of-intracranial-meningiomas-operated-at-the-sylvanus-olympio-university-hospital-center-lom%C3%A3-about-21-cases
#13
Pilakimwé Egbohou, Tabana Mouzou, Kadanga Beketi, Essossinam Kpelao, Abdel Kader Moumouni, Hamza Doles Sama, Sarakawabalo Assénouwé, Gnimdou Akala-Yoba, Kadjika Tomta
This study aimed to point to both the anesthesiological aspects and the perioperative complications of intracranial meningiomas operated at the Sylvanus Olympio University Hospital Center, Lomé. We conducted a retrospective study by reviewing the medical records of patients with intracranial meningiomas undergoing surgery over the period December 2010-December 2015 (5 years) at the Sylvanus Olympio University Hospital Center, Lomé. Out of 46 patients operated fo brain tumors, 21 (45.6%) had meningioma. The average age was 49 ±20 years, with a male predominance (52...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29158366/therapeutic-anticoagulation-in-patients-with-primary-brain-tumors-or-secondary-brain-metastasis
#14
REVIEW
Richard J Lin, David L Green, Gunjan L Shah
Patients with primary or metastatic brain tumors are at increased risk of developing venous thromboses. However, the potential benefit of therapeutic anticoagulation in these patients must be weighed against the deadly complication of intracranial hemorrhage. In this review, we summarize available evidence and recent studies of intracranial bleeding risks in primary and metastatic tumors and the impact of therapeutic anticoagulation. We find that for the majority of primary and treated metastatic brain tumors, the risk of spontaneous bleeding is acceptable and not further increased by careful therapeutic anticoagulation with low molecular weight heparin or direct oral anticoagulants, although thrombocytopenia (platelet count less than 50,000/μL) and other coagulopathies are relative contraindications...
November 20, 2017: Oncologist
https://www.readbyqxmd.com/read/29154937/effect-of-human-recombinant-prourokinase-rhpro-uk-on-thromboembolic-stroke-in-rats
#15
Chun-Hua Hao, Wen-Xia Ding, Qian Sun, Xin-Xin Li, Wei-Ting Wang, Zhuan-You Zhao, Li-da Tang
We evaluated the efficacy and safety of human recombinant prourokinase ( rhpro-UK) on thromboembolic stroke in rats. 60 rats with thromboembolic stroke were divided into 6 groups(n=10). The model group was given saline, the reagent groups were given rhpro-UK (5, 10, 20×10(4) U/kg), and positive control groups were given urokinase (UK) 10×10(4) U/kg and recombinant tissue plasminogen activator (rt-PA) 9mg/kg through intravenous infusion at 1.5h after embolism. And other 10 rats without occluded by autologous blood clots as the sham group were given saline...
November 15, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29153608/cofilin-signaling-in-hemin-induced-microglial-activation-and-inflammation
#16
Muhammad Shahdaat Bin Sayeed, Qasim Alhadidi, Zahoor A Shah
Intracerebral hemorrhage (ICH) is the most severe form of stroke and is further exacerbated by the secondary injury involving inflammatory response due to the activation of microglia. This secondary injury is partly due to the toxic effects of hemin, an endogenous breakdown product of hemoglobin. Cofilin, an actin depolymerizing factor, controls actin dynamics and has been previously shown to be involved in mediating neuronal cell death in ischemic conditions and during bacterial lipopolysaccharide induced microglial activation...
December 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29152941/the-histopathological-and-stereological-assessment-of-the-effect-of-topically-administered-leptin-on-cerebral-vasospasm-in-an-experimental-subarachnoid-hemorrhage-model
#17
Cem Demirel, Cengiz Çokluk, Abdurrahman Aksoy, Kerameddin Aydın, Mehmet Emin Önger, Enis Kuruoğlu, Abdullah Hilmi Marangoz, Ömür Gülsüm Deniz, Süleyman Kaplan
Background/aim: Cerebral vasospasm is a term that refers to prolonged, slowly progressing but reversible pathological narrowing of cerebral arteries occurring several days after subarachnoid hemorrhage (SAH), usually accompanied by a decrease in perfusion distal to the affected artery. Leptin is an endogenous polypeptide hormone that can be carried freely and bound to protein in the blood. Materials and methods: We investigated the superiority of topical application of leptin that may make a contribution to the development of new treatment modalities for unconscious patients in brain injury intensive care units and its preventive effect, which is considered to have multifactorial pathogenesis on cerebral vasospasm occurring after SAH via stereological studies of the basilar artery...
November 13, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29152466/a-less-invasive-strategy-for-ruptured-cerebral-aneurysms-with-intracerebral-hematomas-endovascular-coil-embolization-followed-by-stereotactic-aspiration-of-hematomas-using-urokinase
#18
Sang Heum Kim, Tae Gon Kim, Min Ho Kong
Objective: Aneurysm clipping and simultaneous hematoma evacuation through open craniotomy is traditionally recommended for ruptured cerebral aneurysms accompanied by intracerebral or intrasylvian hemorrhages. We report our experience of adapting a less invasive treatment strategy in poor-grade patients with intracerebral or intrasylvian hemorrhages associated with ruptured cerebral aneurysms, where the associated ruptured cerebral aneurysms were managed by endovascular coil embolization, followed by stereotactic aspiration of hematomas (SRH) using urokinase...
June 2017: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/29152429/refining-surgical-corridors-with-whole-brain-tractography-a-case-series
#19
Hosniya Zarabi, Anil Roy, Avilasha Jha, Gustavo Pradilla
Recent advancements in automated diffusion tensor imaging (DTI) and whole brain tractography (WBT) may be of great use to the neurosurgeon in selecting surgical corridors that can minimize disruption of surrounding white matter tracts. This is especially important in cases where the lesion displaces white matter tracts and traditional operative approaches may inadvertently violate these fibers. Here, we present automated DTI seeding and WBT as a practical and efficient means for preoperative surgical planning, in an effort to spare white matter tracts that may be displaced by a variety of lesions and may be vulnerable during surgery...
September 10, 2017: Curēus
https://www.readbyqxmd.com/read/29150776/hyperpyrexia-as-the-presenting-symptom-of-intracranial-hypotension
#20
Omar Hussein, Michel Torbey
INTRODUCTION: Hyperpyrexia is a severely elevated core body temperature secondary to an elevated hypothalamic set thermo-regulatory threshold. Hyperthermia is an elevated core body temperature beyond the normal hypothalamic set thermo-regulatory threshold. Intracranial hypotension can present with a wide variety of symptoms ranging from orthostatic headache up to coma. We report a rare case of hyperpyrexia associated with intracranial hypotension. METHODS: A case report of a 55-year-old female patient with a history of angiogram-negative subarachnoid hemorrhage status post-ventriculoperitoneal (VP) shunt placement six years prior to admission who suddenly developed encephalopathy and high fever...
November 17, 2017: Neurocritical Care
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