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Intracranial hypertension

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https://www.readbyqxmd.com/read/28346963/point-of-care-testing-in-neurosurgery
#1
Christopher Beynon, Lars Wessels, Andreas W Unterberg
Coagulation disorders can have a major impact on the outcome of neurosurgical patients. The central nervous system is located within the closed space of the skull, and therefore, intracranial hemorrhage can lead to intracranial hypertension. Acute brain injury has been associated with alterations of various hemostatic parameters. Point-of-care (POC) techniques such as rotational thromboelastometry are able to identify markers of coagulopathy which are not reflected by standard assessment of hemostasis (e.g...
March 27, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28344346/choroid-plexus-aquaporin-1-and-intracranial-pressure-are-increased-in-obese-rats-towards-an-idiopathic-intracranial-hypertension-model
#2
M Uldall, D K Bhatt, C Kruuse, M Juhler, I Jansen-Olesen, R Jensen
BACKGROUND/OBJECTIVES: Idiopathic intracranial hypertension (IIH) is a condition of increased intracranial pressure (ICP) without identifiable cause. The majority of IIH patients are obese, which suggests a connection between ICP and obesity. The aim of the study was to compare ICP in lean and obese rats. We also aimed to clarify if any ICP difference could be attributed to changes in some well-known ICP modulators; retinol and arterial partial pressure of CO2 (pCO2). Another potential explanation could be differences in water transport across the choroid plexus (CP) epithelia, and thus we furthermore investigated expression profiles of aquaporin 1 and Na/K ATPase...
March 27, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28343917/a-curious-case-of-neuromyelitis-optica-spectrum-disorder-co-existing-with-idiopathic-intracranial-hypertension
#3
S Viswanathan, L C Wong
No abstract text is available yet for this article.
March 23, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28339414/update-on-the-application-of-optic-nerve-sheath-fenestration
#4
Hui Chen, Qian Zhang, Song Tan, Huazhu Fu, Bradley K Farris, Zhenglin Yang
BACKGROUND: With the ongoing development of surgical procedures and instruments, the safety of optic nerve sheath fenestration (ONSF) has been improved. OBJECTIVE: Through the past three decades, progress has been made in preventing visual loss from chronic optic nerve swelling in idiopathic intracranial hypertension (IIH), secondary intracranial hypertension and local optic nerve diseases. We now review the updated application of ONSF in those diseases. METHODS: The application of ONSF in papilledema due to IIH, secondary intracranial hypertension to cerebral venous sinus occlusion, Cryptococcal meningitis, and intracranial mass or tumors is reviewed...
March 23, 2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28338434/coexistence-of-obstructive-sleep-apnea-worsens-the-overall-outcome-of-intracranial-aneurysm-a-pioneer-study
#5
Shyamal C Bir, Anil Nanda, Hugo Cuellar, Hai Sun, Bharat Guthikonda, Cesar Liendo, Alireza Minagar, Oleg Y Chernyshev
OBJECTIVE Obstructive sleep apnea (OSA) is associated with the progression of abdominal and thoracic aortic aneurysms. However, the role of OSA in the overall outcome of intracranial aneurysms (IAs) has not yet been established. Authors of this report investigated the role of OSA in the overall outcome of IAs. METHODS Radiological and clinical data on patients (from 2010 through 2015) with confirmed IA were retrospectively reviewed. Significant differences between the OSA and non-OSA groups were determined using a chi-square test...
March 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28337892/idiopathic-intracranial-hypertension-in-a-paediatric-population-a-retrospective-observational-study-on-epidemiology-symptoms-and-treatment
#6
M Barbagallo, G Vitaliti, F Greco, P Pavone, N Matin, G Panta, R Lubrano, R Falsaperla
Idiopathic intracranial hypertension (IIH) is a disorder of unknown origin, which is characterized by elevated intracranial pressure (ICP) without underlying etiological evidence of neurological disease. The purpose of the current study was to evaluate epidemiological features, clinical presentation, diagnostic findings and treatment of sixteen children (7 males and 9 females) with IIH. Medical records of the patients were obtained from the University Paediatric Hospital of Catania, Italy. Clinical features, investigations and treatment approaches were retrieved...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28336281/-optic-disc-changes-by-optical-coherence-tomography-in-optic-disc-edema-in-lom%C3%A3
#7
M A K Santos, K Vonor, D K Ayena, K R Kuaovi, K P Balo
OBJECTIVE: To study the influence of optic disc edema (ODE) on the dimensions of the disc and the thickness of the retinal nerve fiber layer (RNFL) by optical coherence tomography (OCT) in Lomé. PATIENTS AND METHODS: This was a retrospective study which took place in a general ophthalmology office in the city. Twenty-six eyes were examined for ODE (cases) between January 2013 and May 2015, and 26 healthy eyes (control group) were considered in this study. The control group was recruited taking age into account with a variation not exceeding 5 years compared to the ODE cases...
March 20, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28334718/sex-differences-do-not-exist-in-outcomes-among-stroke-patients-with-intracranial-atherosclerosis-in-china-subgroup-analysis-from-the-chinese-intracranial-atherosclerosis-study
#8
Yuehua Pu, Na Wei, Dandan Yu, Yilong Wang, Xinying Zou, Yannie O Y Soo, Yuesong Pan, Thomas W H Leung, Lawrence K S Wong, Yongjun Wang, Liping Liu
BACKGROUND: To date, sex difference in outcomes among patients with intracranial atherosclerosis (ICAS) has rarely been discussed in China as well as in the world. This study aimed to estimate the sex difference in outcomes among patients with ICAS in Chinese cerebral ischemia patients. METHODS: We analyzed 1,335 men and women with ICAS who were enrolled in the Chinese Intracranial Atherosclerosis study. They were followed-up for ischemic stroke recurrence, any cause of death, cerebral vascular events (including transient ischemic attack, ischemic and hemorrhagic stroke), combined end points (including cerebral vascular events, angina or myocardial infarction, pulmonary embolism, peripheral vascular events), and unfavorable outcome (modified Rankin scale score of 3-6) at 1 year...
March 24, 2017: Neuroepidemiology
https://www.readbyqxmd.com/read/28331021/aspergillus-niger-infection-in-an-immunosuppressed-patient-confined-solely-to-the-brain
#9
Lucy Simmonds, Sian Mitchell, Barrie White, Shanika A Crusz, David Denning
A 68-year-old woman with a background of hypertension, stroke and rheumatoid arthritis presented to her local hospital after a 4-week history of gradual deterioration and increasing confusion with new onset right-sided weakness. Her initial CT scan revealed a rim enhancing mass lesion with surrounding oedema in the left parietal lobe for which she underwent CT stealth-guided biopsy. Microbiology culture of the 2 biopsy samples yielded Aspergillus niger and she was started on the antifungal agent voriconazole...
March 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28321380/an-evaluation-of-styloidectomy-as-an-adjunct-or-alternative-to-jugular-stenting-in-idiopathic-intracranial-hypertension-and-disturbances-of-cranial-venous-outflow
#10
J Nicholas Higgins, Mathew R Garnett, John D Pickard, Patrick R Axon
Background The extent to which intracranial venous sinus obstruction contributes to idiopathic intracranial hypertension (IIH) is debated. The extent to which extracranial venous obstruction contributes to IIH is virtually unexplored. This article describes an interventional approach to extracranial venous outflow in a group of patients with severe intractable symptoms. Objective To describe our technique and experience of styloidectomy combined with jugular stenting in the treatment of skull base narrowing of the jugular veins...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28320162/rnf213-rs112735431-polymorphism-in-intracranial-artery-steno-occlusive-disease-and-moyamoya-disease-in-koreans
#11
Min-Gyu Park, Jin-Hong Shin, Sang Weon Lee, Hae Rim Park, Kyung-Pil Park
BACKGROUND: The rs112735431 polymorphism of the RNF213, a susceptibility variant for moyamoya disease (MMD), may be associated with non-MMD intracranial artery steno-occlusive disease of non-MMD type (non-MMD ICAD) in Asian. We investigated whether the rs112735431 polymorphism of the RNF213 affect the development of non-MMD ICAD in Koreans compared to MMD and control group. METHODS: We included 31 patients with non-MMD ICAD, 25 patients with MMD, and 100 participants as control group...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28318729/acute-cerebellitis-in-paediatric-patients-our-experience
#12
J P García-Iñiguez, F J López-Pisón, P Madurga Revilla, I Montejo Gañán, M Domínguez Cajal, L Monge Galindo, S B Sánchez Marco, M C García Jiménez
INTRODUCTION: Acute cerebellitis is a rare inflammatory disease with a highly variable clinical course that ranges from benign self-limiting symptoms to a fulminant presentation associated with a high risk of death due to compression of the posterior fossa, acute hydrocephalus, and intracranial hypertension. METHODS: We reviewed clinical, laboratory, and radiological findings from children diagnosed with acute cerebellitis between May 2007 and November 2016. We analysed treatments and clinical and radiological progression...
March 15, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28306655/assessing-idiopathic-intracranial-hypertension
#13
Mary Carver, Michelle Drew
No abstract text is available yet for this article.
April 16, 2017: Nurse Practitioner
https://www.readbyqxmd.com/read/28304207/dural-venous-sinus-stenting-for-medically-and-surgically-refractory-idiopathic-intracranial-hypertension
#14
Sudhakar R Satti, Lakshmi Leishangthem, Alejandro Spiotta, M Imran Chaudry
Background Idiopathic intracranial hypertension (IIH) is a syndrome defined by elevated intracranial hypertension without radiographic evidence of a mass lesion in the brain. Dural venous sinus stenosis has been increasingly recognized as a treatable cause, and dural venous sinus stenting (DVSS) is increasingly performed. Methods A 5 year single-center retrospective analysis of consecutive patients undergoing DVSS for medically refractory IIH. Results There were 43 patients with a mean imaging follow-up of 6...
April 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28301882/infantile-hemangioma-of-the-posterior-fossa-in-a-newborn-early-management-and-long-term-follow-up
#15
Elsa Haine, Annick Sevely, Sergio Boetto, Marie-Bernadette Delisle, Claude Cances
A 21-day-old male infant was admitted with signs of intracranial hypertension. Brain magnetic resonance imaging (MRI) revealed a voluminous mass in the posterior fossa with an intense peripheral enhancement on T1 images with gadolinium. The child was treated secondarily by surgical decompression of the posterior fossa and the lesion was biopsied. The pathological findings indicated infantile hemangioma. Treatment with oral prednisolone was initiated at 3 months, given the lack of tumor involution. Six months after corticotherapy was stopped, repeated MRIs indicated a significant reduction in tumor size and then complete disappearance...
March 16, 2017: Neuropediatrics
https://www.readbyqxmd.com/read/28300719/idiopathic-intracranial-hypertension-in-monozygotic-female-twins-intracranial-pressure-dynamics-and-treatment-outcome
#16
Manolis Polemikos, Hans E Heissler, Elvis J Hermann, Joachim K Krauss
BACKGROUND: Familial cases of idiopathic intracranial hypertension (IIH) are exceedingly rare and its occurrence has not been reported before in monozygotic twins. CASE DESCRIPTION: We describe the cases of monozygotic female twins who developed IIH at age 25 and at age 28, respectively. Continuous intracranial pressure monitoring confirmed elevated intracranial pressure (ICP) as measured initially by lumbar puncture. In both cases, successful treatment with resolution of papilledema and symptoms relief was achieved after ventriculoperitoneal shunting...
March 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28298771/attenuation-of-hemodynamic-response-to-skull-pin-head-holder-insertion-intravenous-clonidine-versus-intravenous-lignocaine-infusion
#17
Nethra H Nanjundaswamy, Vinay Marulasiddappa
BACKGROUND: Insertion of skull pin induces a significant increase in heart rate (HR), blood pressure (BP) and intracranial pressure. Alpha 2 agonist clonidine and intravenous (i.v.) lignocaine are effective in attenuating stress response. Local infiltration of pin site and scalp block with lignocaine are commonly used techniques for prevention of hemodynamic response to skull pin insertion. We compared the effectiveness of i.v. clonidine infusion and i.v. lignocaine infusion in suppressing the hemodynamic response to skull pin head holder insertion...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28298042/the-effect-of-cranioplasty-following-decompressive-craniectomy-on-cerebral-blood-perfusion-neurological-and-cognitive-outcome
#18
Adnan Hussain Shahid, Manju Mohanty, Navneet Singla, Bhagwant Rai Mittal, Sunil Kumar Gupta
OBJECTIVE Decompressive craniectomy is an established therapy for refractory intracranial hypertension. Cranioplasty following decompressive craniectomy not only provides protection to the brain along with cosmetic benefits, but also enhances rehabilitation with meaningful functional recovery of potentially reversible cortical and subcortical damaged areas of the affected as well as the contralateral hemisphere. The aim of the study was to assess neurological and cognitive outcome as well as cerebral blood flow after cranioplasty...
March 3, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28297825/-the-clinical-application-of-retractorless-surgery-in-patients-with-hypertensive-basal-ganglia-hemorrhage
#19
Z H Zhao, X M Zhong, Y Q Wang, J G Yang, Y Cai, Z H Fei, L Zhang
Objective: To discuss the clinical feasibility and practical application of retractorless surgical for patients with hypertensive basal ganglia hemorrhage. Methods: A total of 84 patients underwentretractorless surgery in The First People's Hospital of Huzhou from Jun 2014 to Jun 2016 were retrospectively reviewed.There were 53 male and 31 female of the 84 patients. Their mean age were 58.7 years with range: 29-74 years.Glasgow coma scale score(GCS) at admissionwereas follow: GCS 4-5 points 10 cases(including 3 cases companied dilated pupils), GCS 6-8 points 25 cases, GCS 9-12 points 32 cases, and GCS 13-14 points 17 cases...
March 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28297690/-multiple-tentorial-dural-arteriovenous-fistulas-with-acquired-pial-arteriovenous-fistula-presented-with-unilateral-eye-symptoms-successfully-treated-by-transarterial-embolization-and-direct-surgery-a-case-report
#20
Hisato Minamide, Yutaka Hayashi, Naoyuki Uchiyama
A 58-year-old man presented with slowly progressive chemosis, exophthalmos, and blepharedema of the left eye. Digital subtraction angiography revealed multiple dural arteriovenous fistulas(dAVFs)involving the bilateral tentorium, superior sagittal sinus, and right frontal convexity. In addition, occlusion of the left cavernous sinus and left sigmoid sinus were observed, which could lead to venous hypertension and might be associated with the occurrence of multiple dAVFs. Along with the congestion of the left ophthalmic vein, increased intracranial pressure due to the left tentorial dAVF with cortical venous reflux could have caused the left eye symptoms; therefore, the tentorial lesion was treated first...
March 2017: No Shinkei Geka. Neurological Surgery
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