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https://www.readbyqxmd.com/read/29781369/contralateral-extensive-cerebral-hemorrhagic-venous-infarction-caused-by-retrograde-venous-reflux-into-the-opposite-basal-vein-of-rosenthal-in-posttraumatic-carotid-cavernous-fistula-a-case-report-and-literature-review
#1
Prasert Iampreechakul, Adisak Tanpun, Punjama Lertbusayanukul, Somkiet Siriwimonmas
We describe a patient with traumatic carotid-cavernous fistula (CCF), subsequently developing contralateral extensive hemorrhagic venous infarction from retrograde venous reflux into the opposite basal vein of Rosenthal. A 54-year-old woman was involved in a motor vehicle accident and sustained severe traumatic brain injury. Two months later, she developed bilateral proptosis and audible bruit. Magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA) of the brain demonstrated the right direct CCF...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29776403/rostral-cranial-fossa-as-a-site-for-cerebrospinal-fluid-drainage-volumetric-studies-in-dog-breeds-of-different-size-and-morphotype
#2
Wojciech Sokołowski, Norbert Czubaj, Michał Skibniewski, Karolina Barszcz, Marta Kupczyńska, Wojciech Kinda, Zdzisław Kiełbowicz
BACKGROUND: Hydrocephalus is a multifactorial condition, whose aetiology is not fully understood. Congenital hydrocephalus frequently occurs in small and brachycephalic dog breeds. Although it is widely accepted that the cribriform plate located in the rostral cranial fossa (RCF) is a site of cerebrospinal fluid (CSF) drainage, the RCF has not been studied extensively. Literature reports indicate that a decreased caudal cranial fossa (CCF) volume in the course of the Chiari-like malformation may obstruct CSF circulation...
May 18, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29768483/transport-of-enniatin-b-and-enniatin-b1-across-the-blood-brain-barrier-and-hints-for-neurotoxic-effects-in-cerebral-cells
#3
Isabel Krug, Matthias Behrens, Melanie Esselen, Hans-Ulrich Humpf
Enniatins are common contaminants of food and feed and belong to the group of the "emerging" mycotoxins, which are produced by various Fusarium species. Although a wide range of toxic effects, like antibacterial, antifungal, insecticidal and cytotoxic properties, have been described in vitro, so far, no cases of mycotoxicosis connected to enniatins in vivo are reported. Among this group of mycotoxins, enniatin B and enniatin B1 are the most prevalent compounds and therefore are present in the human diet...
2018: PloS One
https://www.readbyqxmd.com/read/29730099/may-the-inferior-petrosal-sinus-recanalization-during-endovascular-treatment-for-carotid-cavernous-fistulas-increase-the-risk-of-sixth-nerve-palsy
#4
Thomas Robert, Daniele Valsecchi, Philippe Sylvestre, Raphaël Blanc, Gabriele Ciccio, Stanislas Smajda, Hocine Redjem, Michel Piotin
INTRODUCTION: Sixth nerve palsy is a common complication of endovascular treatment for carotid-cavernous fistulas (CCF). Two hypotheses are evoked: the spontaneous venous congestion into the cavernous sinus (CS), and the direct compression of the nerve by the embolic agent into the CS. Nevertheless, the evidence is still uncertain. Knowing the vicinity of the sixth nerve with the inferior petrosal sinus (IPS) in the Dorello's canal, we hypothesized that the recanalization of the IPS increased the risk of nerve damage...
May 3, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29688396/perspectives-of-ibd-china-is-crohn-s-and-colitis-foundation-model-a-solution-to-health-care-issues-for-the-country
#5
Yan Chen
The success of the Crohn's and Colitis Foundation of America (CCFA), now Crohn's and Colitis Foundation (CCF) has established a role model for developing countries with an increasing incidence of inflammatory bowel disease (IBD), including China. While there are shared etiopathogenetic pathways and clinical features in IBD between Eastern and Western countries, patients with IBD as well as health care professionals in China are facing distinctive challenges, including the fragmented and inconsistent health insurance, social support system, and three-tiered health care service...
April 21, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29627790/embolization-of-a-cavernous-carotid-fistula-through-the-vein-of-labb%C3%A3-a-new-alternative-transvenous-access-route
#6
Angelos Aristeidis Konstas, Alice Song, Julia Song, Aristomenis Thanos, Ian B Ross
Endovascular treatment of carotid cavernous fistulas (CCFs) via a transvenous approach is standard, but in rare cases this approach is challenging due to absence or thrombosis of the commonly used venous routes. A 61-year-old woman presented with a symptomatic CCF with all but one of the venous access routes to the CCF thrombosed, leaving an engorged superficial middle cerebral vein (SMCV) as the only venous outflow from the cavernous sinus. Access to the CCF was made possible after careful navigation of the sigmoid sinus, the vein of Labbé and the SMCV, bypassing the need for surgical access to the SMCV or for a direct transorbital puncture...
April 7, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29610738/tutorial-development-of-an-online-risk-calculator-platform
#7
EDITORIAL
Xinge Ji, Michael W Kattan
Risk calculators are online tools developed for use by physicians in clinical settings to predict the risk of a clinical event, and as an aid in personalizing medical decision-making. Cleveland Clinic prediction models are listed at http://rcalc.ccf.org. We illustrate how we used R to create a risk calculator, and demonstrate the ease of using R, RStudio, and a Shiny package.
February 2018: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29605123/a-pilot-study-to-determine-the-effect-of-radiographer-training-on-radiostereometric-analysis-imaging-technique
#8
O Muharemovic, A Troelsen, M G Thomsen, T Kallemose, K K Gosvig
INTRODUCTION: Producing x-ray images for radiostereometric analysis (RSA) is a demanding technique. Suboptimal examinations result in a high percentage of exposure repetition. The aim of this pilot study was to use an experiential training approach to sharpen the skills of radiographers in acquiring images of an optimal quality. METHODS: A controlled trial using action research strategy was used. The study entailed a two phased approach. Radiographers were purposefully recruited and trained to perform the required investigations...
May 2018: Radiography
https://www.readbyqxmd.com/read/29582721/extensive-hepatitis-a-outbreak-in-an-urban-childcare-facility-in-ireland-associated-with-considerable-adult-morbidity
#9
L O'Connor, E McGovern, M O'Meara, J Dean, M Ward, M O'Connor
Hepatitis A infection results in a spectrum of illness from asymptomatic disease to severe fulminant hepatitis. Since 2000, <50 cases have been reported annually in Ireland. We report on an outbreak of hepatitis A associated with a childcare facility(CCF) in 2015 in Ireland. Between January and July 2015, 12 outbreak-associated symptomatic hepatitis A cases were identified, including one delayed, retrospective diagnosis. Seven (58%) cases were adults, eight (67%) were male, six of the adults required hospitalisation...
March 27, 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29573511/effects-of-flask-configuration-on-biofilm-growth-and-metabolites-of-intertidal-cyanobacteria-isolated-from-a-mangrove-forest
#10
Maruthanayagam Veerabadhran, Sandeep Chakraborty, Sayani Mitra, Sanmoy Karmakar, Joydeep Mukherjee
AIMS: A novel approach was employed to study the growth of three cyanobacterial strains namely Oscillatoria sp. (AP17), Leptolyngbya sp. (AP3b) and Chroococcus sp. (AP3U). Further, their broad metabolite profile, production of pigments, exopolysaccharide (EPS) and antimicrobial activity were evaluated in response to contrasting cultivation modes: biofilm or planktonic. METHODS AND RESULTS: The biofilm culture mode was carried out in the patented conico-cylindrical flask (CCF) and the planktonic culture mode was carried out in Erlenmeyer flask (EF)...
March 24, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29560078/addition-of-audiovisual-feedback-during-standard-compressions-is-associated-with-improved-ability
#11
Steve A Aguilar, Nicholas Asakawa, Cameron Saffer, Christine Williams, Steven Chuh, Lewei Duan
Introduction: A benefit of in-hospital cardiac arrest is the opportunity for rapid initiation of "high-quality" chest compressions as defined by current American Heart Association (AHA) adult guidelines as a depth 2-2.4 inches, full chest recoil, rate 100-120 per minute, and minimal interruptions with a chest compression fraction (CCF) ≥ 60%. The goal of this study was to assess the effect of audiovisual feedback on the ability to maintain high-quality chest compressions as per 2015 updated guidelines...
March 2018: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29547804/use-of-rsm-for-the-multivariate-simultaneous-multiobjective-optimization-of-the-operating-conditions-of-aliphatic-carboxylic-acids-ion-exclusion-chromatography-column-quantitative-study-of-hydrodynamic-isotherm-and-thermodynamic-behavior
#12
Tahereh Shojaeimehr, Farshad Rahimpour, Michael Schwarze, Jens-Uwe Repke, Hamid Reza Godini, Günter Wozny
The present study evaluates the capability of ion exclusion chromatography (IEC) of short chain aliphatic carboxylic acids using a cation exchange column (8% sulfonated cross-linked styrene-divinylbenzene copolymer) in different experimental conditions. Since one of the prerequisites to the development of an efficient carboxylic acid separation process is to obtain the optimum operational conditions, response surface methodology (RSM) was used to develop an approach to evaluate carboxylic acids separation process in IEC columns...
April 15, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29534911/incidence-and-morphometry-of-sellar-bridges-and-related-foramina-in-dry-skulls-their-significance-in-middle-cranial-fossa-surgery
#13
Konstantinos Natsis, Maria Piagkou, Nikolaos Lazaridis, Trifon Totlis, Nikolaos Anastasopoulos, Jannis Constantinidis
PURPOSE: The current study investigated the incidence, morphology and morphometry of the ossified ligaments expanding between petrous bone and posterior clinoid processes and in between the anterior, middle and posterior clinoid processes. Side symmetry, gender dimorphism and age influence were also studied. MATERIALS AND METHODS: A total of 123 adult Greek dry skulls were observed. RESULTS: A caroticoclinoid bar (CCB) was found in 60.2%. Partial CCBs appeared more commonly (36...
April 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29530027/inhibition-of-lipopolysaccharide-lps-induced-neuroinflammatory-response-by-polysaccharide-fractions-of-khaya-grandifoliola-c-d-c-stem-bark-cryptolepis-sanguinolenta-lindl-schltr-and-cymbopogon-citratus-stapf-leaves-in-raw-264-7-macrophages-and-u87-glioblastoma
#14
Francine Kengne Mediesse, Thaddée Boudjeko, Anantharaju Hasitha, Matharasala Gangadhar, Wilfred Fon Mbacham, Perumal Yogeeswari
BACKGROUND: Khaya grandifoliola (C.D.C.) stem bark, Cymbopogon citratus (Stapf) and Cryptolepis sanguinolenta (Lindl.) Schltr leaves are used in Cameroonian traditional medicine for the treatment of inflammatory diseases. Several studies have been performed on the biological activities of secondary metabolites extracted from these plants. However, to the best of our knowledge, the anti-neuro inflammatory and protective roles of the polysaccharides of these three plants have not yet been elucidated...
March 12, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29527427/using-long-term-satellite-observations-to-identify-sensitive-regimes-and-active-regions-of-aerosol-indirect-effects-for-liquid-clouds-over-global-oceans
#15
Xuepeng Zhao, Yangang Liu, Fangquan Yu, Andrew K Heidinger
Long-term (1981-2011) satellite climate data records of clouds and aerosols are used to investigate the aerosol-cloud interaction of marine water cloud from a climatology perspective. Our focus is on identifying the regimes and regions where the aerosol indirect effects (AIEs) are evident in long-term averages over the global oceans through analyzing the correlation features between aerosol loading and the key cloud variables including cloud droplet effective radius (CDER), cloud optical depth (COD), cloud water path (CWP), cloud top height (CTH), and cloud top temperature (CTT)...
January 16, 2018: Journal of Geophysical Research. Atmospheres: JGR
https://www.readbyqxmd.com/read/29525478/cpr-feedback-prompt-device-improves-the-quality-of-hands-only-cpr-performed-in-manikin-by-laypersons-following-the-2015-aha-guidelines
#16
Yuanshan Liu, Zitong Huang, Heng Li, Guanghui Zheng, Qin Ling, Wanchun Tang, Zhengfei Yang
PURPOSE: We investigated the effects of a cardiopulmonary resuscitation (CPR) feedback/prompt device on the quality of chest compression (CC) during hands-only CPR following the 2015 AHA guidelines. METHODS: A total of 124 laypersons were randomly assigned into three groups. The first (n=42) followed the 2010 guidelines, the second (n=42) followed the 2015 guidelines with no feedback/prompt device, the third (n=40) followed the 2015 guidelines with a feedback/prompt device (2015F)...
March 6, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29497785/transcervical-access-via-direct-neck-exposure-for-neurointerventional-procedures-in-the-hybrid-angiosuite
#17
Jong Young Lee, Jong-Hwa Park, Hong Jun Jeon, Dae Young Yoon, Seoung Woo Park, Byung Moon Cho
PURPOSE: A complicated course of the femoral route for neurointervention can prevent approaching the target. Thus, we determined whether transcervical access in the hybrid angiosuite is applicable and beneficial in real practice. METHODS: From January 2014 to March 2017, this approach was used in 17 of 453 (3.75%) cases: 11 cerebral aneurysms (4 ruptured, 7 unruptured), 4 acute occlusions of the large cerebral artery, 1 proximal internal carotid artery (ICA) stenosis, and 1 direct carotid cavernous fistula (CCF)...
May 2018: Neuroradiology
https://www.readbyqxmd.com/read/29482708/caroticocavernous-fistula-successful-reversal-by-endovascular-treatment
#18
Muhammad Mateen Amir, Naveen Abubakar Bugvi
A 22-year male presented in outpatient department with right sided proptosis and chemosis, after a roadside accident two months back. He was on treatment for orbital cellulitis and taking steroids with antibiotics, both orally and topically. He was also on topical antiglaucoma agents. Detailed examination revealed bruit on auscultation. On magnetic resonance imaging (MRI), dilated superior ophthalmic vein led to diagnosis of caroticocavernous fistula (CCF) and the patient was referred to Neurosurgery Department of Lahore General Hospital (LGH), Lahore, where digital subtraction angiography (DSA) and balloon catheterization by a radiologist in the same sitting, resulted in successful closure of fistula and amelioration of all the signs and symptoms within six weeks...
March 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29458472/polyphasic-data-support-the-splitting-of-aspergillus-candidus-into-two-species-proposal-of-aspergillus-dobrogensis-sp-nov
#19
Vit Hubka, Alena Nováková, Željko Jurjević, František Sklenář, Jens C Frisvad, Jos Houbraken, Maiken C Arendrup, Karin M Jørgensen, João P Z Siqueira, Josepa Gené, Miroslav Kolařík
Aspergillus candidus is a species frequently isolated from stored grain, food, indoor environments, soil and occasionally also from clinical material. Recent bioprospecting studies highlighted the potential of using A. candidus and its relatives in various industrial sectors as a result of their significant production of enzymes and bioactive compounds. A high genetic variability was observed among A. candidus isolates originating from various European countries and the USA, that were mostly isolated from indoor environments, caves and clinical material...
April 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29456185/human-ips-derived-astroglia-from-a-stable-neural-precursor-state-show-improved-functionality-compared-with-conventional-astrocytic-models
#20
Anders Lundin, Louise Delsing, Maryam Clausen, Piero Ricchiuto, José Sanchez, Alan Sabirsh, Mei Ding, Jane Synnergren, Henrik Zetterberg, Gabriella Brolén, Ryan Hicks, Anna Herland, Anna Falk
In vivo studies of human brain cellular function face challenging ethical and practical difficulties. Animal models are typically used but display distinct cellular differences. One specific example is astrocytes, recently recognized for contribution to neurological diseases and a link to the genetic risk factor apolipoprotein E (APOE). Current astrocytic in vitro models are questioned for lack of biological characterization. Here, we report human induced pluripotent stem cell (hiPSC)-derived astroglia (NES-Astro) developed under defined conditions through long-term neuroepithelial-like stem (ltNES) cells...
March 13, 2018: Stem Cell Reports
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