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https://www.readbyqxmd.com/read/28914874/-craniofacial-tumors-blood-supply
#1
Yu G Yakovlenko, V A Cherekaev, V N Kornienko, I N Pronin, L V Shishkina, A S Tonoyan, E I Shul'tz, A M Parshunina
Because of the spread to different anatomical regions, craniofacial tumors (CFTs) usually receive blood supply from several arterial systems, and CFT removal is often accompanied by abundant blood loss. PURPOSE: The study purpose was to develop an algorithm of diagnostic angiography for planning surgical treatment of CFT patients. MATERIAL AND METHODS: Complex preoperative angiography was performed in 72 patients with craniofacial tumors, aged 10 to 78 years (mean age, 45...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28879906/neurosurgery-at-kasturba-medical-college-past-present-and-future
#2
Girish Menon, Rajesh Nair, I K Laskhman, Vinod Kumar, G Lakshmi Prasad
Kasturba Medical College (KMC), Manipal, is the oldest and one of the most reputed medical institutes in coastal Karnataka, catering to a population of over 4 million, spanning a stretch of over 350 kms along the southwest coast of India from Mangalore to Goa. The Department of Neurosurgery at KMC, established in 1968, continues to be the leading and most preferred referral center providing high quality neurosurgical services in this region. The article provides an insight into the origin of the department, its infancy and teething troubles, its continuous growth and landmark achievements over the years...
September 2017: Neurology India
https://www.readbyqxmd.com/read/28862552/cavernous-sinus-compartments-from-the-endoscopic-endonasal-approach-anatomical-considerations-and-surgical-relevance-to-adenoma-surgery
#3
Juan C Fernandez-Miranda, Nathan T Zwagerman, Kumar Abhinav, Stefan Lieber, Eric W Wang, Carl H Snyderman, Paul A Gardner
OBJECTIVE Tumors with cavernous sinus (CS) invasion represent a neurosurgical challenge. Increasing application of the endoscopic endonasal approach (EEA) requires a thorough understanding of the CS anatomy from an endonasal perspective. In this study, the authors aimed to develop a surgical anatomy-based classification of the CS and establish its utility for preoperative surgical planning and intraoperative guidance in adenoma surgery. METHODS Twenty-five colored silicon-injected human head specimens were used for endonasal and transcranial dissections of the CS...
September 1, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28838026/-acute-care-rehabilitation-is-the-first-link-in-a-chain-of-rehabilitation-interventions
#4
Joachim Beyer, Egbert J Seidel
An early, intensive rehabilitative therapy accelerates the recovery of the functions of patients. It contributes to a reduction in the complication rate as well as an improvement in physical and social functioning/participation in the long-term follow-up. Early rehabilitation must be strengthened on the basis of the existing structures: the creation and maintenance of adequately qualified early-stage rehabilitation facilities, at least in hospitals with priority and maximum supply contracts. Patients with long-term intensive care and polytrauma must be rehabilitated as soon as possible (intensive medical rehabilitation)...
August 2017: Die Rehabilitation
https://www.readbyqxmd.com/read/28828384/management-of-penetrating-skull-base-injury-a-single-institutional-experience-and-review-of-the-literature
#5
Danfeng Zhang, Jigang Chen, Kaiwei Han, Mingkun Yu, Lijun Hou
BACKGROUND: Penetrating skull base injury (PSBI) is uncommon among head injuries, presenting unique diagnostic and therapeutic challenges. Although many cases of PSBIs have been reported, comprehensive understanding of its initial diagnosis, management, and outcome is still unavailable. MATERIALS AND METHODS: A retrospective review was performed for patients treated in neurosurgical department of Changzheng Hospital for PSBIs. Presurgical three-dimensional (3D) Slicer-assisted reconstructions were conducted for each patient...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28826868/pilot-use-of-a-novel-tool-to-assess-neurosurgical-capacity-in-uganda
#6
Brittany Ploss, Jihad Abdelgadir, Emily R Smith, Anthony Fuller, Joao Ricardo Vissoci, Alex Muhindo, Moses Galukande, Michael M Haglund
INTRODUCTION: There is a significant burden of unmet surgical need in many low- and middle-income countries; more than 80% in parts of Africa. This need is even larger for specialties like neurosurgery. Surgical capacity tools have been developed and used to assess needs and plan for resource allocation. This study piloted a new tool to assess neurosurgical capacity and describes its use. METHODS: A surgical capacity tool was adapted to assess neurosurgical capacity...
August 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28747588/surgical-site-infection-after-malignant-brain-tumor-resection-a-multicenter-study-for-induction-of-a-basic-care-bundle
#7
Takeo Uzuka, Hideaki Takahashi, Yoko Nakasu, Takeshi Okuda, Koichi Mitsuya, Nakamasa Hayashi, Takayuki Hirose, Hanako Kurai
Patients with malignant brain tumors are possibly at increased risk for surgical site infections (SSIs) considering the various medical situations associated with the disease. However, the actual rate of SSI after malignant brain tumor resection has not been well established, despite the potential impact of SSI on patient outcome. To investigate the incidence of SSI following malignant brain tumor surgery, we performed a retrospective study in 3 neurosurgical units. Subsequently, aiming at the reduction of incidence of SSI, we performed a prospective study using a care bundle technique in the same units...
July 26, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28725549/performance-of-unscented-kalman-filter-tractography-in-edema-analysis-of-the-two-tensor-model
#8
Ruizhi Liao, Lipeng Ning, Zhenrui Chen, Laura Rigolo, Shun Gong, Ofer Pasternak, Alexandra J Golby, Yogesh Rathi, Lauren J O'Donnell
Diffusion MRI tractography is increasingly used in pre-operative neurosurgical planning to visualize critical fiber tracts. However, a major challenge for conventional tractography, especially in patients with brain tumors, is tracing fiber tracts that are affected by vasogenic edema, which increases water content in the tissue and lowers diffusion anisotropy. One strategy for improving fiber tracking is to use a tractography method that is more sensitive than the traditional single-tensor streamline tractography...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28712994/recognition-of-white-matter-bundles-using-local-and-global-streamline-based-registration-and-clustering
#9
REVIEW
Eleftherios Garyfallidis, Marc-Alexandre Côté, Francois Rheault, Jasmeen Sidhu, Janice Hau, Laurent Petit, David Fortin, Stephen Cunanne, Maxime Descoteaux
Virtual dissection of diffusion MRI tractograms is cumbersome and needs extensive knowledge of white matter anatomy. This virtual dissection often requires several inclusion and exclusion regions-of-interest that make it a process that is very hard to reproduce across experts. Having automated tools that can extract white matter bundles for tract-based studies of large numbers of people is of great interest for neuroscience and neurosurgical planning. The purpose of our proposed method, named RecoBundles, is to segment white matter bundles and make virtual dissection easier to perform...
July 13, 2017: NeuroImage
https://www.readbyqxmd.com/read/28686124/influence-of-an-intratumoral-cyst-on-drug-distribution-by-convection-enhanced-delivery-case-report
#10
Iryna Ivasyk, Peter F Morgenstern, Eva Wembacher-Schroeder, Mark M Souweidane
Convection-enhanced delivery (CED) uses positive pressure to induce convective flow of molecules and maximize drug distribution. Concerns have been raised about the effect of cystic structures on uniform drug distribution with CED. The authors describe the case of a patient with a diffuse intrinsic pontine glioma (DIPG) with a large cyst and examine its effect on drug distribution after CED with a radiolabeled antibody. The patient was treated according to protocol with CED of (124)I-8H9 to the pons for nonprogressive DIPG after radiation therapy as part of a Phase I trial (clinical trial registration no...
September 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28684152/access-disparities-to-magnet-hospitals-for-patients-undergoing-neurosurgical-operations
#11
REVIEW
Symeon Missios, Kimon Bekelis
BACKGROUND: Centers of excellence focusing on quality improvement have demonstrated superior outcomes for a variety of surgical interventions. We investigated the presence of access disparities to hospitals recognized by the Magnet Recognition Program of the American Nurses Credentialing Center (ANCC) for patients undergoing neurosurgical operations. METHODS: We performed a cohort study of all neurosurgery patients who were registered in the New York Statewide Planning and Research Cooperative System (SPARCS) database from 2009 to 2013...
October 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28677108/design-fluency-and-neuroanatomical-correlates-in-54-neurosurgical-patients-with-lesions-to-the-right-hemisphere
#12
Dario Marin, Eleonora Madotto, Franco Fabbro, Miran Skrap, Barbara Tomasino
We addressed the neuroanatomical correlates of 54 right-brain-damaged neurosurgical patients on visuo-spatial design fluency, which is a measure of the ability to generate/plan a series of new abstract combinations in a flexible way. 22.2% of the patients were impaired. They failed the task because they did not use strategic behavior, in particular they used rotational strategy to a significantly lower extent and produced a significantly higher rate of perseverative errors. Overall performance did not correlate with neuropsychological tests, suggesting that proficient performance was independent of other cognitive domains...
July 4, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28665384/-the-phenomenon-of-long-term-survival-in-glioblastoma-patients-part-i-the-role-of-clinical-and-demographic-factors-and-an-idh1-mutation-r-132-h
#13
S A Goryaynov, M F Gol'dberg, A V Golanov, S V Zolotova, L V Shishkina, M V Ryzhova, D I Pitskhelauri, V Yu Zhukov, D Yu Usachev, A Yu Belyaev, A V Kondrashov, V A Shurkhay, A A Potapov
The median overall survival of glioblastoma patients is about 15 months. Only a small number of patients survive 3 years. The factors of a favorable prognosis for the 'longevity phenomenon' in glioblastoma patients are not fully understood. OBJECTIVE: to determine the occurrence rate of long-living patients with glioblastomas, identify clinical predictors of a favorable prognosis, and identify the presence and prognostic significance of an IDH1 mutation. MATERIAL AND METHODS: Among 1494 patients operated on for glioblastoma at the Burdenko Neurosurgical Institute from 2007 to 2012, there were 84 (5...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28664037/white-matter-tractography-for-neurosurgical-planning-a-topography-based-review-of-the-current-state-of-the-art
#14
REVIEW
Walid I Essayed, Fan Zhang, Prashin Unadkat, G Rees Cosgrove, Alexandra J Golby, Lauren J O'Donnell
We perform a review of the literature in the field of white matter tractography for neurosurgical planning, focusing on those works where tractography was correlated with clinical information such as patient outcome, clinical functional testing, or electro-cortical stimulation. We organize the review by anatomical location in the brain and by surgical procedure, including both supratentorial and infratentorial pathologies, and excluding spinal cord applications. Where possible, we discuss implications of tractography for clinical care, as well as clinically relevant technical considerations regarding the tractography methods...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28637947/neurosurgical-virtual-reality-simulation-for-brain-tumor-using-high-definition-computer-graphics-a-review-of-the-literature
#15
Taichi Kin, Hirofumi Nakatomi, Naoyuki Shono, Seiji Nomura, Toki Saito, Hiroshi Oyama, Nobuhito Saito
Simulation and planning of surgery using a virtual reality model is becoming common with advances in computer technology. In this study, we conducted a literature search to find trends in virtual simulation of surgery for brain tumors. A MEDLINE search for "neurosurgery AND (simulation OR virtual reality)" retrieved a total of 1,298 articles published in the past 10 years. After eliminating studies designed solely for education and training purposes, 28 articles about the clinical application remained. The finding that the vast majority of the articles were about education and training rather than clinical applications suggests that several issues need be addressed for clinical application of surgical simulation...
June 22, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28605532/pet-imaging-in-patients-with-meningioma-report-of-the-rano-pet-group
#16
Norbert Galldiks, Nathalie L Albert, Michael Sommerauer, Anca L Grosu, Ute Ganswindt, Ian Law, Matthias Preusser, Emilie Le Rhun, Michael A Vogelbaum, Gelareh Zadeh, Frédéric Dhermain, Michael Weller, Karl-Josef Langen, Jörg C Tonn
Meningiomas are the most frequent non-glial primary brain tumors and represent about 30% of brain tumors. Usually, diagnosis and treatment planning are based on neuroimaging using mainly magnetic resonance imaging (MRI) or rarely computed tomography (CT). Most common treatment options are neurosurgical resection and radiotherapy, e.g., radiosurgery or external fractionated radiotherapy. For follow-up after treatment, structural imaging techniques such as MRI or CT are used. However, these structural imaging modalities have limitations, particularly in terms of tumor delineation as well as diagnosis of posttherapeutic reactive changes...
June 12, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28544168/presurgical-language-fmri-mapping-of-six-critical-regions
#17
Christopher F Benjamin, Patricia D Walshaw, Kayleigh Hale, William D Gaillard, Leslie C Baxter, Madison M Berl, Monika Polczynska, Stephanie Noble, Rafeed Alkawadri, Lawrence J Hirsch, R Todd Constable, Susan Y Bookheimer
Language mapping is a key goal in neurosurgical planning. fMRI mapping typically proceeds with a focus on Broca's and Wernicke's areas, although multiple other language-critical areas are now well-known. We evaluated whether clinicians could use a novel approach, including clinician-driven individualized thresholding, to reliably identify six language regions, including Broca's Area, Wernicke's Area (inferior, superior), Exner's Area, Supplementary Speech Area, Angular Gyrus, and Basal Temporal Language Area...
August 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28540820/theoretical-model-for-laser-ablation-outcome-predictions-in-brain-calibration-and-validation-on-clinical-mr-thermometry-images
#18
Samuel John Fahrenholtz, Reza Madankan, Shabbar Danish, John D Hazle, R Jason Stafford, David Fuentes
PURPOSE: Neurosurgical laser ablation is experiencing a renaissance. Computational tools for ablation planning aim to further improve the intervention. Here, global optimisation and inverse problems are demonstrated to train a model that predicts maximum laser ablation extent. METHODS: A closed-form steady state model is trained on and then subsequently compared to N = 20 retrospective clinical MR thermometry datasets. Dice similarity coefficient (DSC) is calculated to provide a measure of region overlap between the 57 °C isotherms of the thermometry data and the model-predicted ablation regions; 57 °C is a tissue death surrogate at thermal steady state...
May 19, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28538516/left-lateralization-of-resting-state-functional-connectivity-between-the-presupplementary-motor-area-and-primary-language-areas
#19
William Lou, Kyung K Peck, Nicole Brennan, Arka Mallela, Andrei Holodny
An abundance of evidence points to the role of a presupplementary motor area (pre-SMA) in human language. This study explores the pre-SMA resting state connectivity network and the nature of its connections to known language areas. We tested the hypothesis that by seeding the pre-SMA, one would be able to establish language laterality to known cortical and subcortical language areas. We analyzed data from 30 right-handed healthy controls and performed the resting state functional MRI. A seed-based analysis using a manually drawn pre-SMA region of interest template was applied...
July 5, 2017: Neuroreport
https://www.readbyqxmd.com/read/28529875/advanced-magnetic-resonance-imaging-and-neuropsychological-assessment-for-detecting-brain-injury-in-a-prospective-cohort-of-university-amateur-boxers
#20
M G Hart, C R Housden, J Suckling, R Tait, A Young, U Müller, V F J Newcombe, I Jalloh, B Pearson, J Cross, R A Trivedi, J D Pickard, B J Sahakian, P J Hutchinson
BACKGROUND/AIM: The safety of amateur and professional boxing is a contentious issue. We hypothesised that advanced magnetic resonance imaging and neuropsychological testing could provide evidence of acute and early brain injury in amateur boxers. METHODS: We recruited 30 participants from a university amateur boxing club in a prospective cohort study. Magnetic resonance imaging (MRI) and neuropsychological testing was performed at three time points: prior to starting training; within 48 h following a first major competition to detect acute brain injury; and one year follow-up...
2017: NeuroImage: Clinical
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