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https://www.readbyqxmd.com/read/28735438/adenosine-assisted-neurovascular-surgery-initial-case-series-and-review-of-literature
#1
REVIEW
Alaa Al-Mousa, Gahan Bose, Katharine Hunt, Ahmed K Toma
Cerebral aneurysms in complex anatomical locations and intraoperative rupture of aneurysms are challenging for neurosurgeons and anaesthetists alike. Mechanical and non-mechanical methods to reduce blood flow into aneurysms are well-recognised techniques to facilitate aneurysm exclusion from the circulation. Mechanical methods like temporary clipping of parent arteries, carotid artery ligation and endovascular balloon occlusion are commonly used in clinical practice. However, non-mechanical techniques such as rapid ventricular pacing and adenosine-induced cardiac standstill with hypotension are still emerging strategies...
July 22, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28731403/safe-and-sustainable-the-extracranial-approach-toward-frontoethmoidal-meningoencephalocele-repair
#2
Paul I Heidekrueger, Myat Thu, Wolfgang Mühlbauer, Charlotte Holm-Mühlbauer, Philippe Schucht, Hans Anderl, Heinrich Schoeneich, Kyawzwa Aung, Mg Mg Ag, Ag Thu Soe Myint, Sabrina Juran, Thiha Aung, Denis Ehrl, Milomir Ninkovic, P Niclas Broer
OBJECTIVE Although rare, frontoethmoidal meningoencephaloceles continue to pose a challenge to neurosurgeons and plastic reconstructive surgeons. Especially when faced with limited infrastructure and resources, establishing reliable and safe surgical techniques is of paramount importance. The authors present a case series in order to evaluate a previously proposed concise approach for meningoencephalocele repair, with a focus on sustainability of internationally driven surgical efforts. METHODS Between 2001 and 2016, a total of 246 patients with frontoethmoidal meningoencephaloceles were treated using a 1-stage extracranial approach by a single surgeon in the Department of Neurosurgery of the Yangon General Hospital in Yangon, Myanmar, initially assisted by European surgeons...
July 21, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28731395/nasoseptal-flap-necrosis-a-rare-complication-of-endoscopic-endonasal-surgery
#3
Joseph D Chabot, Chirag R Patel, Marion A Hughes, Eric W Wang, Carl H Snyderman, Paul A Gardner, Juan C Fernandez-Miranda
OBJECTIVE The vascularized nasoseptal flap (NSF) has become the workhorse for skull base reconstruction during endoscopic endonasal surgery (EES) of the ventral skull base. Although infrequently reported, as with any vascularized flap the NSF may undergo ischemic necrosis and become a nidus for infection. The University of Pittsburgh Medical Center's experience with NSF was reviewed to determine the incidence of necrotic NSF in patients following EES and describe the clinical presentation, imaging characteristics, and risk factors associated with this complication...
July 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28729143/the-prognostic-impact-of-ventricular-opening-in-glioblastoma-surgery-a-retrospective-single-center-analysis
#4
Felix Behling, Marlene Kaltenstadler, Susan Noell, Jens Schittenhelm, Benjamin Bender, Franziska Eckert, Ghazaleh Tabatabai, Marcos Tatagiba, Marco Skardelly
OBJECTIVE: Ventricular opening during glioblastoma (GBM) resection is controversial. Sufficient evidence regarding its prognostic role is missing. We investigated the impact of ventricular opening on overall survival (OS), hydrocephalus development and postoperative morbidity in GBM patients. METHODS: Patients who underwent primary GBM resection between 2006 and 2013 were assessed retrospectively. Established predictors for overall survival (age, Karnofsky performance status, extent of resection (EOR), O-6-methylguanine-DNA methyltransferase promoter methylation status, isocitrate dehydrogenase mutation status) and further clinical data (postoperative status, further treatment, preoperative tumor volume, proximity to the ventricle) were included in univariate and multivariate analyses...
July 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28727832/neurosurgeon-academic-impact-is-associated-with-clinical-outcomes-after-clipping-of-ruptured-intracranial-aneurysms
#5
Naif M Alotaibi, George M Ibrahim, Justin Wang, Daipayan Guha, Muhammad Mamdani, Tom A Schweizer, R Loch Macdonald
BACKGROUND: Surgeon-dependent factors such as experience and volume are associated with patient outcomes. However, it is unknown whether a surgeon's research productivity could be related to outcomes. The main aim of this study is to investigate the association between the surgeon's academic productivity and clinical outcomes following neurosurgical clipping of ruptured aneurysms. METHODS: We performed a post-hoc analysis of 3567 patients who underwent clipping of ruptured intracranial aneurysms in the randomized trials of tirilazad mesylate from 1990 to 1997...
2017: PloS One
https://www.readbyqxmd.com/read/28726831/second-world-war-paris-neurosurgeon-s-map-outwitted-nazis
#6
Pierre Bourdillon, Marc Lévêque, Caroline Apra
No abstract text is available yet for this article.
July 19, 2017: Nature
https://www.readbyqxmd.com/read/28721598/a-retrospective-review-of-34-cases-of-pediatric-pituitary-adenoma
#7
Nannan Zhang, Peizhi Zhou, Yu Meng, Feng Ye, Shu Jiang
PURPOSE: The purpose of this paper is to study invasiveness, tumor features and clinical symptoms of pediatric pituitary adenoma, and to discuss some inconclusive results in prior studies. METHODS: We retrospectively reviewed 34 cases of children (<20 year-old) who were pathologically diagnosed with pituitary adenoma and surgically treated from 2010 to 2017. Data of general information, clinical symptoms, invasive behaviors, surgery approaches, and tumor features were collected and analyzed...
July 18, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28719087/mri-guided-stereotactic-neurosurgical-procedures-in-a-diagnostic-mri-suite-background-and-safe-practice-recommendations
#8
Paul S Larson, Jon T Willie, Sudhakar Vadivelu, Hooman Azmi-Ghadimi, Amy Nichols, Loretta Litz Fauerbach, Helen Boehm Johnson, Denise Graham
The development of navigation technology facilitating MRI-guided stereotactic neurosurgery has enabled neurosurgeons to perform a variety of procedures ranging from deep brain stimulation to laser ablation entirely within an intraoperative or diagnostic MRI suite while having real-time visualization of brain anatomy. Prior to this technology, some of these procedures required multisite workflow patterns that presented significant risk to the patient during transport. For those facilities with access to this technology, safe practice guidelines exist only for procedures performed within an intraoperative MRI...
July 2017: Journal of Healthcare Risk Management: the Journal of the American Society for Healthcare Risk Management
https://www.readbyqxmd.com/read/28718304/the-role-of-surgery-in-low-grade-gliomas-do-timing-and-extent-of-resection-matter
#9
Hugues Duffau
Hugues Duffau is a Professor and Chairman of the Neurosurgery Department in the Montpellier University Medical Center and Head of the INSERM 1051 Team "plasticity of the central nervous system, human stem cells and glial tumors" at the Institute for Neurosciences of Montpellier (France). He is an expert in the awake cognitive neurosurgery of slow-growing brain tumors, such as low-grade gliomas, a routine which he has developed since 20 years. His fundamental approach is centered on the concepts of the brain connectomics and neuroplasticity, breaking with the traditional localizationist view of cerebral processing...
July 18, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28712910/key-aspects-in-foramen-magnum-meningiomas-from-old-neuroanatomical-conceptions-to-current-far-lateral-neurosurgical-intervention
#10
REVIEW
Daniel S Leon-Ariza, Alvaro Campero, Rubby J Romero Chaparro, Diddier G Prada, Gabriel Vargas Grau, Albert L Rhoton
Foramen magnum meningiomas (FMM) represent a challenge for neurosurgeons. These tumors require careful surgical manipulation as they are often located in proximity to critical neurovascular structures and the cranial nerves. The far lateral approach is considered the safest neurosurgical approach for excising foramen magnum lesions. It facilitates the access to the anterior foramen magnum and reduces the retraction of vital structures. We describe key historical, epidemiological, genetic, epigenetic, clinical, and neurosurgical aspects of FMM...
July 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28711531/transdural-indocyanine-green-videography-for-sta-mca-bypass-technical-note
#11
Hiroshi Yokota, Taiji Yonezawa, Tomonori Yamada, Seisuke Miyamae, Taekyun Kim, Yoshiaki Takamura, Katsuya Masui, Shuta Aketa
BACKGROUND: Neurosurgical application of indocyanine green (ICG) videography prior to performing a dural opening has been reported as transdural ICG videography and used during surgery of meningiomas associated with venous sinuses, as well as cranial and spinal arteriovenous malformations. However, its use for a superficial temporal artery to middle cerebral artery (STA-MCA) bypass has not been reported. METHODS: We performed a retrospective analysis of medical records of patients who underwent a transdural ICG videography technique during STA-MCA bypass procedures performed between January 2012 and March 2015...
July 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28711295/prognostic-indicators-of-adult-medullary-gliomas-after-microsurgical-treatment-a-retrospective-analysis-of-54-patients
#12
Yi-Song Zhang, Chang-Cun Pan, Peng Zhang, Bin Dai, Jie Tang, Zhen Wu, Jun-Ting Zhang, Li-Wei Zhang
Due to the low incidence of medullary gliomas, the special location, and the function of the gliomas in the medulla oblongata, microsurgical treatment is still challenging for neurosurgeons. The aim of this study was to observe the effect of microsurgical treatment of adult medullary gliomas and to explore the prognostic factors after treatment. The clinical data from 54 patients with adult medullary gliomas who received microsurgical treatment at Beijing Tiantan Hospital (China) from April 2008 to April 2014 was retrospectively analyzed...
July 12, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28710548/retrospective-evaluation-and-seeg-trajectory-analysis-for-interactive-multi-trajectory-planner-assistant
#13
Davide Scorza, Elena De Momi, Lisa Plaino, Gaetano Amoroso, Gabriele Arnulfo, Massimo Narizzano, Luis Kabongo, Francesco Cardinale
PURPOSE: Focal epilepsy is a neurological disease that can be surgically treated by removing area of the brain generating the seizures. The stereotactic electroencephalography (SEEG) procedure allows patient brain activity to be recorded in order to localize the onset of seizures through the placement of intracranial electrodes. The planning phase can be cumbersome and very time consuming, and no quantitative information is provided to neurosurgeons regarding the safety and efficacy of their trajectories...
July 14, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28695607/visualization-of-the-tentorial-innervation-of-human-dura-mater
#14
Shin-Hyo Lee, Kang-Jae Shin, Ki-Seok Koh, Wu-Chul Song
Posterior projections of the ophthalmic division of the trigeminal nerve (the ophthalmic nerve) are distributed in the tentorium cerebelli as recurrent meningeal branches. We investigated the morphological tentorial distribution of the ophthalmic nerve. Fifty-two sides of the tentorium cerebelli and adjacent dura mater obtained from 29 human specimens were stained using Sihler's method to examine the nerve fibres in the dural sheets. The innervation patterns of the tentorium cerebelli were classified into the following four types according to their distributions: Type 1, where nerve fibres projected to both the straight and transverse sinuses; Type 2, where nerve fibres projected only to the transverse sinus and lateral convexity; Type 3, where nerve fibres projected medially only to the straight sinus and the posterior part of the falx cerebri; and Type 4, where the nerve fibres terminated within the tentorium cerebelli...
July 10, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28694616/reoperation-in-spinal-dysraphism-does-it-help-in-reversing-the-neurological-deficits
#15
Praful Suresh Maste, Yadhu Kasetti Lokanath, Shambhulingappa S Mahantshetti
AIMS: After initial primary repair by inexperienced hands for the spectrum of pathological conditions in spinal dysraphism (SD), a few percentage of patients present with recurrent symptoms and worsening neurological status especially when primarily pathology is not identified and dealt properly. When the primary intradural tethering element is left untouched, worsening of symptoms is common. In this retrospective study, we tried to analyze the symptomatology, functional outcome at 1-2 months after the second surgery and associated complications...
July 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28694041/real-time-three-dimensional-3d-visualization-of-fusion-image-for-accurate-subdural-electrodes-placement-of-epilepsy-surgery
#16
Ayataka Fujimoto, Tohru Okanishi, Sotaro Kanai, Keishiro Sato, Mitsuyo Nishimura, Hideo Enoki
INTRODUCTION: The perfect match between pre-surgical estimated seizure onset zone and subdural electrodes (SEs) position is requested for epilepsy surgery. However, post-surgical neuro images sometimes disappoint physicians due to SEs malposition. To place SEs, we used to use intraoperative photograph and fluoroscopy. With this procedure, we just recognized approximate location of SEs during surgery. The purpose of the study is to perform precise SEs location intraoperatively using intra operative computer tomography (CT) and image-guidance...
July 7, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28693251/clinical-features-and-surgical-management-of-intracranial-meningiomas-in-the-elderly
#17
Junkoh Yamamoto, Mayu Takahashi, Masaru Idei, Yoshiteru Nakano, Yoshiteru Soejima, Daisuke Akiba, Takehiro Kitagawa, Kunihiro Ueta, Ryo Miyaoka, Shigeru Nishizawa
Meningioma accounts for ~25% of all primary intracranial neoplasms and the incidence increases with age. Prvios population-based studies demonstrated that the annual incidence of intracranial meningiomas was 1.2-3.1/100,000 population. In particular, the incidence of this disease among the elderly is high. Recently, increased life expectancy and greater use of diagnostic radiological imaging led to an increased incidence in the diagnosis of intracranial meningiomas, both symptomatic and asymptomatic, in the elderly...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28692515/criteria-for-performing-cranial-computed-tomography-for-chinese-patients-with-mild-traumatic-brain-injury-canadian-computed-tomography-head-rule-or-new-orleans-criteria
#18
Xiao-Feng Yang, Yuan-Yuan Meng, Liang Wen, Hao Wang
Computed tomography (CT) provides the primary diagnostic evidence for traumatic brain injury (TBI), but few positive traumatic findings are discovered in patients with mild TBI. In China, there are no existing criteria for selecting patients with mild TBI to undergo CT, and almost all of these patients undergo cranial CT in the emergency department. This retrospective study was performed to evaluate the necessity of cranial CT among patients with mild TBI, as well as the feasibility of 2 popular criteria (Canadian CT head rule [CCHR] and New Orleans Criteria [NOC]) in China...
July 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28689974/endoscopic-surgery-for-sinonasal-tumors-the-transcribriform-approach
#19
R Thomas, P Martin, D Patrick, M Justin
Over the past 10 to 20 years, endoscopic endonasal surgery has become for many teams the preferred treatment for sinonasal tumors. Technical advances in the field of surgical instrumentation (good visualization, hemostasis…) and the progress of imaging guidance (to avoid neurovascular complication) has made those procedures simpler and safer. Nevertheless, endonasal endoscopic procedures require a trained surgical team of ENT specialist and neurosurgeon. Endoscopic endonasal surgery has been reported to be feasible for all types of sinonasal tumors whether benign tumors such as inverted papillomas, or malignant tumors...
July 8, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28689393/inter-and-intra-observer-variability-of-the-volume-of-cervical-ossification-of-the-posterior-longitudinal-ligament-using-medical-image-processing-software
#20
Dong Ah Shin, Gyu Yeul Ji, Chang Hyun Oh, Keung Nyun Kim, Do Heum Yoon, Hyunchul Shin
OBJECTIVE: Computed tomography (CT)-based method of three dimensional (3D) analysis (MIMICS(®), Materialise, Leuven, Belgium) is reported as very useful software for evaluation of OPLL, but its reliability and reproducibility are obscure. This study was conducted to evaluate the accuracy of MIMICS(®) system, and inter- and intra-observer reliability in the measurement of OPLL. METHODS: Three neurosurgeons independently analyzed the randomly selected 10 OPLL cases with medical image processing software (MIMICS(®)) which create 3D model with Digital Imaging and Communication in Medicine (DICOM) data from CT images after brief explanation was given to examiners before the image construction steps...
July 2017: Journal of Korean Neurosurgical Society
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