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Intracranial hypertension

Peter Wostyn, Peter Paul De Deyn
No abstract text is available yet for this article.
March 15, 2018: JAMA Ophthalmology
Andrew G Lee, Thomas H Mader, C Robert Gibson
No abstract text is available yet for this article.
March 15, 2018: JAMA Ophthalmology
Yu V Pilipenko, An N Konovalov, Sh Sh Eliava, O B Belousova, D N Okishev, I A Sazonov, T F Tabasaranskiy
In recent years, the so-called primary or preventive decompressive craniectomy (DC) has been increasingly used in patients with aneurysmal subarachnoid hemorrhage (SAH). The main goal of the technique is prevention of refractory intracranial hypertension (ICH) and its consequences. PURPOSE: The study purpose was to define the CT criteria for reasonability and efficacy of DC as well as clarification of the indications for preventive DC in patients with SAH after microsurgical aneurysm exclusion...
2018: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
Feray Koc, Mehmet Resit Isik, Nazife Sefi-Yurdakul
PURPOSE: To evaluate the correlation between weight reduction and visual outcome in overweight patients with idiopathic intracranial hypertension. METHODS: Thirty-nine newly diagnosed, overweight (body mass index >25 kg/m2) patients with idiopathic intracranial hypertension were studied retrospectively. All patients underwent medical treatment with acetazolamide, and a weight reduction program was also offered. Patients were grouped according to their compliance with this weight reduction program into the diet-success (Group 1) and diet-failure groups (Group 2)...
January 2018: Arquivos Brasileiros de Oftalmologia
Alberto Raggi, Licia Grazzi, Stefania Bianchi Marzoli, Paola Ciasca, Luisa Chiapparini, Alessandra Erbetta, Giuseppe Faragò, Matilde Leonardi, Domenico D'Amico
Idiopathic intracranial hypertension (IIH) is associated with obesity, and weight loss is important to reduce intracranial pressure and improve visual function. A 38-year-old woman with IIH followed an extreme diet, which resulted in 30% weight loss (BMI moved from 34.9 to 24.6). Weight loss resulted in a significant reduction of papilloedema, normalization of intracranial pressure and improvement in headache pattern, but also induced a state of initial malnutrition, relevant depression and disability. She was discharged with the indication to start a controlled diet and improve physical activity: clinical situation get back to stability, with the patient loosing further weight (BMI=21...
March 13, 2018: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
T Cesak, J Adamkov, J Habalova, P Poczos, M Kanta, M Bartos, T Hosszu
AIM: The aim of this study was to analyse the relationship between intracranial pressure (intracranial pressure monitoring) and lactate pyruvate ratio (cerebral microdialysis) in patients with ruptured intracranial aneurysms. METHODS: In a group of fifteen patients, intracranial pressure and lactate/pyruvate ratios were measured and logged in hourly intervals. The relationship between these two variables was subsequently analysed in two ways. 1) Intracranial hypertension (ICP > 20 mmHg) in the presence of energy deprivation (L/P ratio > 30) was noted...
2018: Bratislavské Lekárske Listy
J P Funnell, C L Craven, L D'Antona, S D Thompson, A Chari, L Thorne, L D Watkins, A K Toma
OBJECTIVES: Papilloedema is a clinical manifestation of chronically raised intracranial pressure (ICP), often seen in idiopathic intracranial hypertension (IIH). However, the extent of intracranial hypertension required to produce papilloedema is not known. We compare ICP values in IIH patients who developed papilloedema and those who did not. We aim to identify a pathological ICP threshold predictive of the development of papilloedema in IIH patients. MATERIALS AND METHODS: Single-centre cohort of IIH patients (2006-2016) who underwent 24-hour ICP monitoring (ICPM) and ophthalmology assessments, prior to intervention...
March 12, 2018: Acta Neurologica Scandinavica
Wakoto Matsuda, Takahiro Sonomura, Satoru Honma, Sachi Ohno, Tetsuya Goto, Shuichi Hirai, Masahiro Itoh, Yoshiko Honda, Hiroki Fujieda, Jun Udagawa, Shingo Takano, Fumino Fujiyama, Shuichi Ueda
The anatomical variations of the confluence of sinuses were examined, focusing on the continuity of the superior sagittal sinus (SSS) and the transverse sinuses (TSs). In the 142 specimens studied, there were 72 symmetric cases (50.7%) and 70 asymmetric cases (49.3%). The symmetric group (no dominant type) was categorized into 34 cases of bifurcation (23.9%) and 38 cases of confluence (26.8%). The asymmetric group was categorized into 54 cases of the right-dominant type (38.0%) and 16 cases of the left-dominant type (11...
March 12, 2018: Anatomical Science International
Kerem Ozturk, Esra Soylu, Cem Bilgin, Bahattin Hakyemez, Mufit Parlak
BACKGROUND: This study aimed to describe the pathological findings and to analyze clinical predictors of abnormal imaging findings in patients presenting to the emergency department (ED) with syncope. METHODS: The database was retrospectively reviewed for all patients who underwent cranial computed tomography (CT) or magnetic resonance imaging (MRI), having the symptom of syncope. Patients were included only if they were from the emergency department and excluded if were under 18 years of age, had known recent intracranial pathology, known brain tumor, or having a history of trauma...
March 12, 2018: International Journal of Emergency Medicine
Nehat Baftiu, Islam Krasniqi, Kastriot Haxhirexha, Rudin Domi
BACKGROUND: Tracheal extubations may be performed before or after awakening from anaesthesia. The advantage of extubation during anaesthesia may avoid all the unpleasant effects of fully awake extubation such as severe hypertension and tachycardia, malignant dysrhythmias, myocardial ischemia laryngospasm, and cough induced high intraocular and intracranial pressure. AIM: To show the current practice of performing extubations in Kosovo, as well as the advantage and disadvantage in performing this procedure in an awake patient or inpatient in light anaesthesia...
February 15, 2018: Open Access Macedonian Journal of Medical Sciences
Sirui Zhou, Ziv Gan-Or, Amirthagowri Ambalavanan, Dongbing Lai, Pingxing Xie, Cynthia V Bourassa, Stephanie Strong, Jay P Ross, Alexandre Dionne-Laporte, Dan Spiegelman, Nicolas Dupré, Tatiana M Foroud, Lan Xiong, Patrick A Dion, Guy A Rouleau
Intracranial Aneurysm (IA) is a common disease with a worldwide prevalence of 1-3%. In the French-Canadian (FC) population, where there is an important founder effect, the incidence of IA is higher and is frequently seen in families. In this study, we genotyped a cohort of 257 mostly familial FC IA patients and 1,992 FC controls using the Illumina NeuroX SNP-chip. The most strongly associated loci were tested in 34 Inuit IA families and in 32 FC IA patients and 106 FC controls that had been exome sequenced (WES)...
March 12, 2018: Scientific Reports
Waleed Brinjikji, Vitor M Pereira, Rujimas Khumtong, Alex Kostensky, Michael Tymianski, Timo Krings, Ivan Radovanovich
BACKGROUND AND PURPOSE: Understanding risk factors for intracranial aneurysm growth is important for patient management. We performed a retrospective study examining risk factors for growth of unruptured intracranial aneurysms followed at our institution examining both traditional risk factors and the PHASES score. MATERIALS AND METHODS: We retrospectively reviewed a consecutive series of unruptured intracranial aneurysms followed at our institution for a minimum of six months over a 15-year period...
March 9, 2018: World Neurosurgery
Torbjørn Øygard Skodvin, Øyvind Evju, Angelika Sorteberg, Jørgen Gjernes Isaksen
BACKGROUND: Maximal size and other morphological parameters of intracranial aneurysms (IAs) are used when deciding if an IA should be treated prophylactically. These parameters are derived from postrupture morphology. As time and rupture may alter the aneurysm geometry, possible morphological predictors of a rupture should be established in prerupture aneurysms. OBJECTIVE: To identify morphological parameters of unruptured IAs associated with later rupture. METHODS: Nationwide matched case-control study...
February 26, 2018: Neurosurgery
Takahiro Osada, Timo Krings
BACKGROUND: Pial arterial supplies are sometimes found in patients with dural arteriovenous fistulas (DAVFs), though their characteristics have rarely been clarified. OBJECTIVE: To investigate the characteristics of pial arterial supplies in DAVFs and to discuss their pathophysiology and treatment. METHODS: Two hundred four consecutive patients with intracranial DAVFs over 11 yr were retrospectively reviewed. Clinical factors and radiological findings, including the presence of pial arterial supplies, were evaluated...
March 8, 2018: Neurosurgery
J Juhász, T Lindner, C Riedel, N G Margraf, O Jansen, A Rohr
BACKGROUND AND PURPOSE: Idiopathic intracranial hypertension is a syndrome of raised intracranial pressure of unknown etiology. Few MR imaging-based studies have investigated arterial and venous blood flow in these patients. Results are inconclusive, and to our knowledge, no comparison of the hemodynamic parameters before and after CSF pressure reduction has been published. The aim of this study was to assess the short-term effects of normalizing CSF pressure on intracranial flow to better understand the pathophysiology of idiopathic intracranial hypertension...
March 8, 2018: AJNR. American Journal of Neuroradiology
Hugo Alberto Rojas, Karla Simone da Silva Fernandes, Mariana Rodrigues Ottone, Kênia Cristina S Fonseca de Magalhães, Lucas Alverne Albuquerque, Julio Leonardo Barbosa Pereira, Gerival Vieira Júnior, José Lopes Sousa-Filho, Bruno Silva Costa, Valéria Cristina Sandrim, Marcos Dellaretti, Renata Toscano Simões
BACKGROUND: Intracranial aneurysms are arterial anomalies affecting 2% to 3% of the general population in the world and these ruptures are associated with a high mortality. Some risk factors, such as age, gender, smoking, alcohol, hypertension and familial history are associated with the number of aneurysms and their size. In addition, inflammatory processes within the blood vessels of the brain can activate matrix metalloproteinase-9 (MMP-9), which degrades various components of the extracellular matrix, such as elastin...
March 5, 2018: Clinical Biochemistry
Naohisa Hosomi, Kazuo Kitagawa, Yoji Nagai, Yoko Nakagawa, Shiro Aoki, Tomohisa Nezu, Tatsuo Kagimura, Hirofumi Maruyama, Hideki Origasa, Kazuo Minematsu, Shinichiro Uchiyama, Masayasu Matsumoto
BACKGROUND AND PURPOSE: To define desirable target low-density lipoprotein (LDL) cholesterol levels for the prevention of stroke recurrence, a post hoc analysis was performed in the J-STARS study (Japan Statin Treatment Against Recurrent Stroke). METHODS: Subjects (n=1578) were divided into groups based on mean value of postrandomized LDL cholesterol levels until the last observation in 20 mg/dL increments. Adjusted hazard ratios (HRs) and 95% confidence intervals were analyzed for each group, with adjustments for baseline LDL cholesterol, baseline body mass index, hypertension, diabetes mellitus, and statin usage...
March 6, 2018: Stroke; a Journal of Cerebral Circulation
Ramazan Jabbarli, Thiemo Florin Dinger, Marvin Darkwah Oppong, Daniela Pierscianek, Philipp Dammann, Karsten H Wrede, Klaus Kaier, Martin Köhrmann, Michael Forsting, Christoph Kleinschnitz, Ulrich Sure
BACKGROUND AND PURPOSE: Multiple intracranial aneurysms (MIAs) are common findings of cerebral angiographies; however, MIA prevalence varies in different patient cohorts. We sought to elucidate risk factors influencing MIA prevalence and the clinical consequences. METHODS: We systematically searched PubMed, Scopus, Embase, and Cochrane Library databases for publications before January 15, 2017, reporting MIA prevalence and risk factors. We used random-effects meta-analysis and multivariate regression analysis to assess the impacts of individual, study, and population characteristics...
March 6, 2018: Stroke; a Journal of Cerebral Circulation
Satoshi Fukai, Naoyuki Okabe, Hayato Mine, Hironori Takagi, Hiroyuki Suzuki
BACKGROUND: Garcin syndrome, which consists of unilateral palsies of almost all cranial nerves without either sensory or motor long-tract disturbances or intracranial hypertension, can be caused by malignant tumors at the skull base. The case of a patient with lung cancer that metastasized to the sphenoid bone and resulted in Garcin syndrome is presented. CASE PRESENTATION: A 76-year-old woman was diagnosed as having non-small cell lung cancer with pericardial and diaphragmatic infiltration, cT4N1M0, stage 3A...
March 6, 2018: World Journal of Surgical Oncology
M Kopáčková, P Beránek, I Bydžovská, R Pytlík, J Soukup, M Mrhalová
OBJECTIVE: Presentation of a rare finding non-Hodgkin´s B-lymphoma of the ovary in a patient during caesarean section. DESIGN: Case report. SETTINGS: Department of Obstetrics and Gynaecology, Regional Hospital Liberec, a.s.; First Internal Clinic - Clinic of Hematology, First Faculty of Medicine and General University Hospital, Charles University in Prague; Department of Pathology and Molecular Medicine, Second Faculty of Medicine, Charles University in Praque and Motol University Hospital...
2018: Ceská Gynekologie
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