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Neurosurgical Approach

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https://www.readbyqxmd.com/read/28937508/status-dystonicus-in-childhood
#1
Daniel E Lumsden, Mary D King, Nicholas M Allen
PURPOSE OF REVIEW: Dystonia is a common paediatric neurological condition. At its most severe, dystonia may lead to life-threatening complications, a state termed status dystonicus. This review provides an update on the definition, causes, management and outcome of childhood status dystonicus. RECENT FINDINGS: High-quality studies in childhood status dystonicus are lacking, though an increasing number of case series have been published. Status dystonicus appears to occur more frequently in children compared with adults, with a clear precipitant identified in around two-thirds of cases...
September 20, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28927207/surgical-approaches-to-the-temporal-horn-an-anatomic-analysis-of-white-matter-tract-interruption
#2
Paulo A S Kadri, Jean G de Oliveira, Niklaus Krayenbühl, Ugur Türe, Evandro P L de Oliveira, Ossama Al-Mefty, Guilherme C Ribas
BACKGROUND: Surgical access to the temporal horn is necessary to treat tumors and vascular lesions, but is used mainly in patients with mediobasal temporal epilepsy. The surgical approaches to this cavity fall into 3 primary categories: lateral, inferior, and transsylvian. The current neurosurgical literature has underestimated the interruption of involved fiber bundles and the correlated clinical manifestations. OBJECTIVE: To delineate the interruption of fiber bundles during the different approaches to the temporal horn...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28919228/stereoscopic-3d-neuroanatomy-lectures-enhance-neurosurgical-training-prospective-comparison-to-traditional-teaching
#3
Anna D Clark, Mathew R Guilfoyle, Nicholas G Candy, Karol P Budohoski, Riikka Hofmann, Damiano G Barone, T Santarius, R W Kirollos, Rikin A Trivedi
OBJECTIVE: Stereoscopic three-dimensional (3D) imaging is increasingly used in the teaching of neuroanatomy and although this is mainly aimed at undergraduate medical students, it has enormous potential for enhancing the training of neurosurgeons. This study aims to assess whether 3D lecturing is an effective method of enhancing the knowledge and confidence of neurosurgeons, and how it compares to traditional two-dimensional (2D) lecturing and cadaveric training. METHODS: Three separate teaching sessions for neurosurgical trainees were organised: i) 2D course (2D lecture + cadaveric session), ii) 3D lecture alone, iii) 3D course (3D lecture + cadaveric session)...
September 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28914874/-craniofacial-tumors-blood-supply
#4
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/28914873/-the-extended-endoscopic-endonasal-transsphenoidal-approach-in-surgery-for-epidermoid-cysts-of-the-chiasmatic-region
#5
D V Fomichev, P L Kalinin, M A Kutin, O I Sharipov, I V Chernov
Surgical treatment for epidermoid cysts of the chiasmatic region is a challenge because of the tendency to a massive spread of epidermoid masses through the cerebrospinal fluid pathways and a significant lesion deviation from the midline. PURPOSE: To analyze capabilities of the extended endoscopic endonasal transsphenoidal approach in surgery for epidermoid cysts. MATERIAL AND METHODS: The study included 6 patients with epidermoid cysts of the chiasmatic region who were operated on using the extended anterior endoscopic endonasal transsphenoidal approach at the Burdenko Neurosurgical Institute in the past 5 years...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28894384/technology-that-achieves-the-triple-aim-an-economic-analysis-of-the-brainpath%C3%A2-approach-in-neurosurgery
#6
Sidney P Norton, Evan M Dickerson, Charles G Kulwin, Mitesh V Shah
BACKGROUND: The Triple Aim is defined as: improving the patient experience of care, improving the health of populations, and reducing the per capita cost of health care. The purpose of this analysis was to evaluate the economic value of a new neurosurgical technique, the BrainPath™ approach, for use in patients with subcortical tumors and intracerebral hemorrhage (ICH). METHODS: Inpatient length of stay (LOS) data were collected for ICH and brain tumor surgical patient cases between August 2013 and November 2015...
2017: ClinicoEconomics and Outcomes Research: CEOR
https://www.readbyqxmd.com/read/28893929/distinct-patterns-of-temporal-and-directional-connectivity-among-intrinsic-networks-in-the-human-brain
#7
James M Shine, Aaron Kucyi, Brett L Foster, Stephan Bickel, Danhong Wang, Hesheng Liu, Russell A Poldrack, Liang-Tien Hsieh, Jen Chun Hsiang, Josef Parvizi
To determine the spatiotemporal relationships among intrinsic networks of the human brain, we recruited seven neurosurgical patients (4 males; 3 females) who were implanted with intracranial depth electrodes. We first identified canonical resting state networks at the individual subject level using an iterative matching procedure on each subject's resting state fMRI data. We then introduced single electrical pulses to fMRI pre-identified nodes of the default (DN), frontoparietal (FPN) and salience networks (SN) while recording evoked responses in other recording sites within the same networks...
September 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28892407/nonparametric-bootstrap-technique-for-calibrating-surgical-smartforceps-theory-and-application
#8
Parisa Azimaee, Mohammad Jafari Jozani, Yaser Maddahi, Kourosh Zareinia, Garnette R Sutherland
Knowledge of forces, exerted on the brain tissue during the performance of neurosurgical tasks, is critical for quality assurance, case rehearsal, and training purposes. Quantifying the interaction forces has been made possible by developing SmartForceps, a bipolar forceps retrofitted by a set of strain gauges. The forces are estimated using voltages read from strain gauges. We therefore need to quantify the force-voltage relationship to estimate the interaction forces during microsurgery. This problem has been addressed in the literature by following the physical and deterministic properties of the force-sensing strain gauges without obtaining the precision associated with each estimate...
September 11, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28887072/minimum-clinically-important-difference-of-montreal-cognitive-assessment-in-aneurysmal-subarachnoid-hemorrhage-patients
#9
George Kwok Chu Wong, Jodhy Suk Ying Mak, Adrian Wong, Vera Zhi Yuan Zheng, Wai Sang Poon, Jill Abrigo, Vincent Chung Tong Mok
Cognitive impairment is a major factor contributing to poor functional outcome after subarachnoid hemorrhage caused by a ruptured cerebral aneurysm (aSAH). Montreal Cognitive Assessment (MoCA) has been shown to be superior to the Mini-Mental State Examination in screening for cognitive domain deficit and correlating to functional outcome in aSAH patients. The aim of the current study was to determine the Montreal Cognitive Assessment (MoCA) score change that was associated with change of health in general in an aSAH patient cohort...
September 5, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28885094/frontal-and-occipital-horn-ratio-is-associated-with-multifocal-intraparenchymal-hemorrhages-in-neonatal-shunted-hydrocephalus
#10
Soliman Oushy, Jonathon J Parker, Kristen Campbell, Claire Palmer, Corbett Wilkinson, Nicholas V Stence, Michael H Handler, David M Mirsky
OBJECTIVE Placement of a cerebrospinal fluid diversion device (i.e., shunt) is a routine pediatric neurosurgical procedure, often performed in the first weeks of life for treatment of congenital hydrocephalus. In the postoperative period, shunt placement may be complicated by subdural, catheter tract, parenchymal, and intraventricular hemorrhages. The authors observed a subset of infants and neonates who developed multifocal intraparenchymal hemorrhages (MIPH) following shunt placement and sought to determine any predisposing perioperative variables...
September 8, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28879904/a-neurosurgical-perspective-to-approaches-to-the-orbit-a-cadaveric-study
#11
S Balaji Pai, M N Nagarjun
Neurosurgeons are getting increasingly involved in surgery for orbital tumours. The various approaches to the orbit can be challenging. The authors have demonstrated on cadavers the various approaches to the orbit which are required to be mastered by the neurosurgeon. The superior approaches which include the transcranial, supraorbital and the hybrid approaches are the most commonly utilized surgical approaches by the neurosurgeon for excision of orbital pathologies. The lateral orbitotomy is an elegant approach for excision of the tumours lateral to the optic Nerve and lacrimal gland tumours...
September 2017: Neurology India
https://www.readbyqxmd.com/read/28879577/models-and-tissue-mimics-for-brain-shift-simulations
#12
Antonio E Forte, Stefano Galvan, Daniele Dini
Capturing the deformation of human brain during neurosurgical operations is an extremely important task to improve the accuracy or surgical procedure and minimize permanent damage in patients. This study focuses on the development of an accurate numerical model for the prediction of brain shift during surgical procedures and employs a tissue mimic recently developed to capture the complexity of the human tissue. The phantom, made of a composite hydrogel, was designed to reproduce the dynamic mechanical behaviour of the brain tissue in a range of strain rates suitable for surgical procedures...
September 6, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28879421/the-history-of-rhoton-s-lab
#13
REVIEW
Toshio Matsushima, J Richard Lister, Ken Matsushima, Evandro de Oliveira, Erdener Timurkaynak, David A Peace, Shigeaki Kobayashi
The work performed in Dr. Rhoton's Lab, represented by over 500 publications on microneurosurgical anatomy, greatly contributed to improving the level of neurosurgical treatment throughout the world. The authors reviewed the development and activities of the Lab over 40 years. Dr. Albert L. Rhoton Jr., the founder of, and leader in, this field, displayed great creativity and ingenuity during his life. He devoted himself to perfecting his study methodology, employing high-definition photos and slides to enhance the quality of his published papers...
September 6, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28871375/walter-e-dandy-his-contributions-to-pituitary-surgery-in-the-context-of-the-overall-johns-hopkins-hospital-experience
#14
Andrea Corsello, Giulia Di Dalmazi, Fabiana Pani, Paulina Chalan, Roberto Salvatori, Patrizio Caturegli
BACKGROUND: Walter E. Dandy (1886-1946) was an outstanding neurosurgeon who spent his entire career at the Johns Hopkins Hospital. After graduating from medical school in 1910, he completed a research fellowship in the Hunterian laboratory with Harvey Cushing and then joined the Department of Surgery as resident, rising to the rank professor in 1931. Dandy made several contributions that helped building the neurosurgical specialty, most famously the introduction of pneumo-ventriculography to image brain lesions for which he received a Nobel prize nomination...
September 4, 2017: Pituitary
https://www.readbyqxmd.com/read/28868158/near-miss-for-big-red-a-unique-case-of-penetrating-glass-injury-of-the-thoracic-spine-and-posterior-mediastinum
#15
Paul J Deramo, Vaidehi Agrawal, Henry C Jefferson
INTRODUCTION: A 42-year-old female with no significant comorbidities presented to our care with a penetrating glass injury to her mid-thoracic spine after falling backwards onto a table. CASE PRESENTATION: A large fragment of glass was protruding from her spine, and multi-planar computed tomography imaging revealed protrusion through the thoracic spinal vertebrae with the glass shards located 2 mm from the aortic lumen. The management of this patient posed several challenges, including initial care of the patient, evaluation of potentially affected structures and the appropriate sequence of therapeutic interventions...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28862552/cavernous-sinus-compartments-from-the-endoscopic-endonasal-approach-anatomical-considerations-and-surgical-relevance-to-adenoma-surgery
#16
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/28859567/the-hypothalamus-at-the-crossroads-of-psychopathology-and-neurosurgery
#17
Daniel A N Barbosa, Ricardo de Oliveira-Souza, Felipe Monte Santo, Ana Carolina de Oliveira Faria, Alessandra A Gorgulho, Antonio A F De Salles
The neurosurgical endeavor to treat psychiatric patients may have been part of human history since its beginning. The modern era of psychosurgery can be traced to the heroic attempts of Gottlieb Burckhardt and Egas Moniz to alleviate mental symptoms through the ablation of restricted areas of the frontal lobes in patients with disabling psychiatric illnesses. Thanks to the adaptation of the stereotactic frame to human patients, the ablation of large volumes of brain tissue has been practically abandoned in favor of controlled interventions with discrete targets...
September 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28846763/functional-outcome-after-intracranial-pressure-monitoring-for-children-with-severe-traumatic-brain-injury
#18
Tellen D Bennett, Peter E DeWitt, Tom H Greene, Rajendu Srivastava, Jay Riva-Cambrin, Michael L Nance, Susan L Bratton, Desmond K Runyan, J Michael Dean, Heather T Keenan
Importance: Intracranial pressure (ICP) monitoring is a mainstay of therapy for children with traumatic brain injury (TBI), but its overall association with patient outcome is unclear. Objective: To test the hypothesis that ICP monitoring is associated with improved functional survival of children with severe TBI. Design, Setting, and Participants: A propensity-weighted effectiveness analysis was conducted using 2 linked national databases with data from 30 US children's hospitals from January 1, 2007, to December 31, 2012, on 3084 children with severe TBI...
August 28, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28838876/ventriculoscopic-approach-for-intraventricular-neurocysticercosis-a-single-neurosurgical-center-s-experience
#19
Li Zhenye, Li Chuzhong, Zong Xuyi, Gui Songbai, Zhao Peng, Bai Jiwei, Cao Lei, Wang Xinsheng
OBJECT: The object of this study was to retrospectively analyze the patients with intraventricular neurocysticercosis (NCC) who underwent ventriculoscopic approach at a single neurosurgical center, and assessed the efficacy of this treatment in patients with intraventricular NCC. METHODS: Intraventricular NCC patients who underwent ventriculoscopic approach between January 2008 and March 2014 at Beijing Tiantan Hospital were analyzed. RESULTS: A total of 21 intraventricular NCC patients, including 15 men and 6 women were enrolled in the study (38...
August 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28828384/management-of-penetrating-skull-base-injury-a-single-institutional-experience-and-review-of-the-literature
#20
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
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