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https://www.readbyqxmd.com/read/28922897/a-side-door-to-meckel-s-cave-anatomic-feasibility-study-for-the-lateral-transorbital-approach
#1
(no author information available yet)
No abstract text is available yet for this article.
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922892/successful-microsurgical-management-of-high-risk-foramen-magnum-dural-arteriovenous-fistula-with-cortical-venous-reflex-using-far-lateral-approach-3-dimensional-operative-video
#2
Amol Raheja, Phil Taussky, William T Couldwell
No abstract text is available yet for this article.
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922889/microneurosurgical-removal-of-a-posterior-thalamic-glioma-via-posterior-interhemispheric-subsplenial-approach-in-lateral-oblique-position
#3
Mehmet Volkan Harput, Ugur Türe
No abstract text is available yet for this article.
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922886/intracranial-bypass-of-posterior-inferior-cerebellar-artery-aneurysms-indications-technical-aspects-and-clinical-outcomes
#4
David J Bonda, Mohamad Labib, Jeffrey M Katz, Rafael A Ortiz, David Chalif, Avi Setton, David J Langer, Amir R Dehdashti
BACKGROUND: For some posterior inferior cerebellar artery (PICA) aneurysms, there is no constructive endovascular or direct surgical clipping option. Intracranial bypass is an alternative to a deconstructive technique. OBJECTIVE: To evaluate the clinical features, surgical techniques, and outcome of PICA aneurysms treated with bypass and obliteration of the diseased segment. METHODS: Retrospective review of PICA aneurysms treated via intracranial bypass was performed...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922880/a-side-door-to-meckel-s-cave-anatomic-feasibility-study-for-the-lateral-transorbital-approach
#5
Blake Harrison Priddy, Cristian Ferrareze Nunes, Andre Beer-Furlan, Ricardo Carrau, Iacopo Dallan, Daniel Monte-Serrat Prevedello
BACKGROUND: In the last decade, endoscopic skull base surgery has significantly developed and generated a plethora of techniques and approaches for access to the cranial ventral floor. However, the exploration for the least-aggressive, maximally efficient approach continues. OBJECTIVE: To describe in detail an anatomical study, along with the technical nuances of a novel endoscopic approach to Meckel's Cave (MC) using a lateral transorbital (LTO) route. METHODS: Eighteen orbits of injected cadaveric specimens were operated on, using an endoscopic LTO approach to MC, middle cranial fossa, and paramedian skull base preserving the orbital rim...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922876/visual-deficit-from-laser-interstitial-thermal-therapy-for-temporal-lobe-epilepsy-anatomical-considerations
#6
Walter J Jermakowicz, Michael E Ivan, Iahn Cajigas, Ramses Ribot, Ignacio Jusue-Torres, Mehul B Desai, Armando Ruiz, Pierre-Francois D'Haese, Andres M Kanner, Jonathan R Jagid
BACKGROUND: Laser interstitial thermal therapy (LITT) is quickly emerging as an effective surgical therapy for temporal lobe epilepsy (TLE). One of the most frequent complications of the procedure is postoperative visual field cuts, but the physiopathology of these deficits is unknown. OBJECTIVE: To evaluate potential causes of visual deficits after LITT for TLE in an attempt to minimize this complication. METHODS: This retrospective chart review compares the case of a 24-year-old male who developed homonymous hemianopsia following LITT for TLE to 17 prior patients who underwent the procedure and suffered no visual deficit...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922875/stent-placement-for-disabling-pulsatile-tinnitus-caused-by-a-lateral-sinus-stenosis-a-retrospective-study
#7
Stéphanie Lenck, Marc-Antoine Labeyrie, Fabrice Vallee, Jean-Pierre Saint-Maurice, Antoine Guillonnet, Anne-Laure Bernat, Pierre Vironneau, Emmanuel Houdart
BACKGROUND: Lateral sinus stenosis is a little-known cause for pulsatile tinnitus (PT). In several small series, stenting has been described as an effective treatment for disabling PT linked with this type of stenosis. OBJECTIVES: To describe the clinical, radiological, and manometric characteristics of patients treated for disabling PT by lateral sinus stenosis. Assessment of the efficacy of stenting for this indication. METHODS: Retrospective study of patients treated for isolated PT by stenting of a lateral sinus stenosis in our institution, between 2009 and 2015...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922867/discoveries-of-the-structures-of-sialic-acid-and-cmp-sialic-acid-1957-1960-a-letter-from-saul-roseman
#8
Ronald L Schnaar, Yuan C Lee
Sialic acids have a special place in vertebrate glycobiology, where they constitute the dominant terminal saccharides on many cell surface glycans. From early studies that identified sialoglycans as receptors for important pathogens and toxins to more recent discoveries of sialic acid-binding proteins essential for immune system (and other) functions in humans, sialic acids and sialoglycans have become cornerstones in understanding vertebrate glycobiology and pathology. During a remarkable 3-year period in the late 1950s, a newly minted postdoctoral fellow (Donald G...
June 1, 2017: Glycobiology
https://www.readbyqxmd.com/read/28922847/germline-msh6-mutation-in-a-patient-with-two-independent-primary-glioblastomas
#9
Linda M Forsström, Koichiro Sumi, Markus J Mäkinen, Ji Eun Oh, Riitta Herva, Paul Kleihues, Hiroko Ohgaki, Lauri A Aaltonen
We previously reported a patient who had developed 2 glioblastomas at the age of 54 and 64 years, respectively. The first glioblastoma in the right frontal lobe was treated with surgery and radiotherapy. Ten years later, the patient developed a second, left frontal glioblastoma. Discordant patterns of TP53 and PTEN mutations suggested that the second tumor was not a recurrence but an independently developed glioblastoma. To determine the molecular mechanism underlying this enigmatic case with 10-year survival, we performed whole-exome sequencing...
October 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28922835/rewards-and-cognitive-control-in-the-human-prefrontal-cortex
#10
Sandrine Duverne, Etienne Koechlin
The human prefrontal cortex (PFC) subserves cognitive control, that is, the ability to form behavioral strategies that coordinate actions and thoughts in relation to internal goals. Cognitive control involves the medial and lateral PFC but we still poorly understand how these regions guide strategy selection according to expected rewards. We addressed this issue using neuroimaging, computational modeling and model-based analyses of information flows between medial and lateral PFC. We show here that the (dorsal) medial PFC encodes and conveys to lateral PFC reward expectations driving strategy selection, while strategy selection originates in lateral PFC and propagates backward to medial PFC...
October 1, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28922831/the-transcription-factors-coup-tfi-and-coup-tfii-have-distinct-roles-in-arealisation-and-gabaergic-interneuron-specification-in-the-early-human-fetal-telencephalon
#11
Ayman Alzu'bi, Susan J Lindsay, Lauren F Harkin, Jack McIntyre, Steven N Lisgo, Gavin J Clowry
In human telencephalon at 8-12 postconceptional weeks, ribonucleic acid quantitative sequencing and immunohistochemistry revealed cortical chicken ovalbumin upstream promotor-transcription factor 1 (COUP-TFI) expression in a high ventro-posterior to low anterior gradient except for raised immunoreactivity in the anterior ventral pallium. Unlike in mouse, COUP-TFI and SP8 were extensively co-expressed in dorsal sensory neocortex and dorsal hippocampus whereas COUPTFI/COUPTFII co-expression defined ventral temporal cortex and ventral hippocampus...
October 1, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28922830/connectivity-neurofeedback-training-can-differentially-change-functional-connectivity-and-cognitive-performance
#12
Ayumu Yamashita, Shunsuke Hayasaka, Mitsuo Kawato, Hiroshi Imamizu
Advances in functional magnetic resonance imaging have made it possible to provide real-time feedback on brain activity. Neurofeedback has been applied to therapeutic interventions for psychiatric disorders. Since many studies have shown that most psychiatric disorders exhibit abnormal brain networks, a novel experimental paradigm named connectivity neurofeedback, which can directly modulate a brain network, has emerged as a promising approach to treat psychiatric disorders. Here, we investigated the hypothesis that connectivity neurofeedback can induce the aimed direction of change in functional connectivity, and the differential change in cognitive performance according to the direction of change in connectivity...
October 1, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28922802/succession-of-arbuscular-mycorrhizal-fungi-along-a-52-year-agricultural-recultivation-chronosequence
#13
Julien Roy, Rüdiger Reichel, Nicolas Brüggemann, Stefan Hempel, Matthias C Rillig
Arbuscular mycorrhizal (AM) fungi provide a range of functions in natural and managed ecosystems. However, the trajectory of AM fungal diversity after land degradation is poorly known. We studied the succession of AM fungi along an agricultural recultivation chronosequence after open-cast mining near Cologne, Germany. We used high-throughput sequencing of the large-subunit ribosomal RNA genes to characterize the soil AM fungal communities of 10 agricultural fields spanning 52 years of recultivation. During three years, soils are recultivated with a legume, and then converted to agriculture to be later returned to local farmers implementing conventional agriculture...
September 1, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28922735/assessing-the-interplay-of-childhood-adversities-with-more-recent-stressful-life-events-and-conditions-in-predicting-panic-pathology-among-adults-from-the-general-population
#14
E Asselmann, J Stender, H J Grabe, J König, C O Schmidt, A O Hamm, C A Pané-Farré
BACKGROUND: Although research suggests that (a) childhood adversities and more recent stressful life events/conditions are risk factors for panic pathology and that (b) early life stress increases vulnerability to later psychopathology, it remains unclear whether childhood adversities amplify the association between more recent stressful life events/conditions and panic pathology. METHODS: Data were derived from a general population sample (Study of Health in Pomerania, SHIP)...
August 24, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28922687/comparison-of-perioperative-renal-and-oncologic-outcomes-in-robotic-assisted-versus-open-partial-nephrectomy
#15
Jo-Lynn Tan, Mark Frydenberg, Jeremy Grummet, Uri Hanegbi, Ross Snow, Sarah Mann, Kirobel Begashaw, Daniel Moon
BACKGROUND: To compare perioperative, renal and oncological outcomes after robotic-assisted partial nephrectomy (RAPN) versus open partial nephrectomy (OPN) for the treatment of renal tumours. METHODS: All partial nephrectomies performed at a Metropolitan Urology Centre between 2010 and 2016 were analysed. Baseline data was collected for patient demographics, tumour characteristics (tumour size, laterality and polarity, RENAL scores), and perioperative variables (e...
September 18, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28922654/student-s-perception-about-innovative-teaching-learning-practices-in-forensic-medicine
#16
Sanjay Gupta, Utsav N Parekh, Jaishree D Ganjiwale
BACKGROUND: Since decades, Forensic Medicine is mainly taught by didactic methods but in last couple of years some other teachinglearning and assessment methods are also introduced at some places which also lacks uniformity. Feedback from learners is most fundamental aspect to assess effectiveness of applied methods, but is not implemented in practice at most medical schools in India. Unfortunately, medical students are deprived of this practical empowerment and thus may not be efficient enough to contribute potentially to the justice system during their professional life...
September 11, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28922610/symbiosis-of-selected-rhizobium-leguminosarum-bv-viciae-strains-with-diverse-pea-genotypes-effects-on-biological-nitrogen-fixation
#17
Chao Yang, Rosalind Bueckert, Jeff Schoenau, Axel Diederichsen, Hossein Zakeri, Thomas Warkentin
Biological nitrogen fixation (BNF) can be improved by optimizing the interaction between the rhizobial inoculant and pea (Pisum sativum L.), leading to increased productivity and reduced nitrogen (N) fertilizer use. Eight Rhizobium leguminosarum bv. viciae strains were used to inoculate super-nodulating pea mutant Rondo-nod3(fix+), hyper-nodulating pea mutant Frisson P88 Sym29, CDC Meadow commercial control, and a non-nodulating mutant Frisson P56 (nod-) to evaluate BNF in a greenhouse assay. Significant differences in strain×cultivar interactions were detected for shoot and root dry weight which ranged from 1...
September 18, 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28922565/-metabolically-healthy-obesity-and-hyperuricemia-increase-risk-for-hypertension-and-diabetes-5-year-japanese-cohort-study
#18
Masanari Kuwabara, Remi Kuwabara, Ichiro Hisatome, Koichiro Niwa, Carlos A Roncal-Jimenez, Petter Bjornstad, Ana Andres-Hernando, Yuka Sato, Thomas Jensen, Gabriela Garcia, Minoru Ohno, James O Hill, Miguel A Lanaspa, Richard J Johnson
OBJECTIVE: Whether obesity without metabolic syndrome (i.e., "metabolically healthy" obesity) confers similar or less metabolic risk remains controversial. METHODS: A retrospective 5-year cohort study of 9,721 Japanese subjects (48.5 ± 10.5 years, 4,160 men) was conducted in 2004 and reevaluated 5 years later. Subjects were excluded if they were hypertensive or diabetic or were receiving medications for dyslipidemia and/or gout or hyperuricemia in 2004. Study subjects were categorized according to baseline BMI  ≥ 25 kg/m(2) (overweight/obesity) and < 25 kg/m(2) (lean/normal weight) and also whether they had metabolic syndrome...
September 18, 2017: Obesity
https://www.readbyqxmd.com/read/28922489/clinical-evaluation-of-the-newly-formatted-lateral-flow-device-for-invasive-pulmonary-aspergillosis
#19
Martin Hoenigl, Susanne Eigl, Sven Heldt, Wiebke Duettmann, Christopher Thornton, Juergen Prattes
The study evaluated the newly formatted Aspergillus-specific lateral-flow-device (LFD), and compared its performance to the original prototype "old" LFD test using BALF samples from 28 patients (14 patients with probable/proven invasive pulmonary aspergillosis [IPA] and 14 patients with no evidence for IPA). A total of 10/14 (71%) of BALF samples from patients with probable/proven IPA resulted positive with the new LFD, including 8/9 with true-positive and 2/5 with false-negative results with the old LFD. All 14 samples from patients without IPA resulted negative with the new LFD; specificity of the new LFD was significantly improved compared to the old LFD...
September 18, 2017: Mycoses
https://www.readbyqxmd.com/read/28922484/characterization-of-edge-contact-atomically-resolved-semiconductor-metal-lateral-boundary-in-mos2
#20
Hyeokshin Kwon, Kiyoung Lee, Jinseong Heo, Youngtek Oh, Hyangsook Lee, Samudrala Appalakondaiah, Wonhee Ko, Hyo Won Kim, Jin-Wook Jung, Hwansoo Suh, Hongki Min, Insu Jeon, Euyheon Hwang, Sungwoo Hwang
Despite recent efforts for the development of transition-metal-dichalcogenide-based high-performance thin-film transistors, device performance has not improved much, mainly because of the high contact resistance at the interface between the 2D semiconductor and the metal electrode. Edge contact has been proposed for the fabrication of a high-quality electrical contact; however, the complete electronic properties for the contact resistance have not been elucidated in detail. Using the scanning tunneling microscopy/spectroscopy and scanning transmission electron microscopy techniques, the edge contact, as well as the lateral boundary between the 2D semiconducting layer and the metalized interfacial layer, are investigated, and their electronic properties and the energy band profile across the boundary are shown...
September 18, 2017: Advanced Materials
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