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World Neurosurgery

Xiao-Chun Wang, Yan-Yao Du, Yan Tan, Jiang-Bo Qin, Le Wang, Xiao-Feng Wu, Liang Xin, Lei Zhang, Li-Na Li, Xin Zhou, Dui-Ping Feng, Guo-Lin Ma, Hui Zhang
BACKGROUND: Dural arteriovenous fistulas (DAVF) at the craniocervical junction are quite uncommon, and clinical manifestations range from acute/chronic myelopathy to subarachnoid hemorrhage (SAH) to brainstem dysfunction. In this report, we presented four cases of DAVFs at the craniocervical junction with progressive brainstem dysfunction, and investigated the typical imaging features using T2 WI, SWI, DWI and contrast enhanced images. Literature was reviewed and revealed 10 case reports of DAVFs at the craniocervical junction presenting with brainstem dysfunction...
July 13, 2018: World Neurosurgery
Shefqet Hajdari, Geralf Kellner, Almuth Meyer, Steffen Rosahl, Ruediger Gerlach
BACKGROUND: Endoscopic endonasal transsphenoidal surgery (EETS) is a common treatment for patients with pituitary adenomas (PA). A disadvantage of endoscopic surgery has been the lack of stereoscopic vision and depth perception. Recent developments offer high definition 3D visualization (3D-HD) with a higher resolution and better image quality compared to 3D standard endoscopy (3D-SD). OBJECTIVE: To compared treatment results of surgically treated patients with PA using 3 different visualization systems (2D-HD, 3D-SD and 3D-HD)...
July 12, 2018: World Neurosurgery
Robert Haładaj, Grzegorz Wysiadecki, Veronica Macchi, Raffaele de Caro, Maciej Wojdyn, Michał Polguj, Mirosław Topol
BACKGROUND: The aim of the study was to trace anatomical variations of the lateral femoral cutaneous nerve (LFCN) in its intra-pelvic course. MATERIAL AND METHODS: Forty cadavers (80 sides) fixed in 10% formalin solution were dissected. The following parameters were recorded: LFCN diameter, and variations in its origin and number. The dissection comprised the exposure and excision of the lumbar plexus, together with the roots of LFCN, followed by retrograde intra-neural fascicular dissection using microsurgical instruments...
July 12, 2018: World Neurosurgery
Felix Ankomah, Tochukwu Ikpeze, Addisu Mesfin
OBJECTIVE: To identify the top fifty cited articles focusing on thoracolumbar spine fractures. METHODS: Using the ISI Web of Science database (v5.11, Thomas Reuter, Philadelphia, Pennsylvania), and using the search phrase "thoracolumbar fracture", we queried for the 50 most cited articles on thoracolumbar fractures. The study was performed in September 2017. We searched for articles between 1900 and 2017. Articles were sorted and ranked based on the total number of citations...
July 12, 2018: World Neurosurgery
Batuk Diyora, Bhagyashri Bhende, Sanjay Kukreja
BACKGROUND: Neurenteric cysts are rare congenital lesions derived from an anomalous connection between the primitive ectoderm and endoderm. CASE DESCRIPTION: A 2-month-old infant presented with an insidious onset of upper limb weakness. MRI Spine revealed a contrast-enhancing solid mass located anterior to the spinal cord at the level of the cervicothoracic junction which was isointense on T1 weighted images and hyperintense on T2 weighted images. The lesion was associated with marked spinal cord compression and also with a giant intramedullary cyst that extended proximally into the cranium...
July 12, 2018: World Neurosurgery
Jonghoon Kim, Chulhoon Chang, Young Jin Jung
BACKGROUND: Endovascular coiling has emerged as an option for the management of unruptured intracranial aneurysms, which was traditionally treated via surgical clipping. Unlike aneurysms elsewhere, aneurysms of the middle cerebral artery (MCA) have several features that are favorable for surgery. However, endovascular treatment can be difficult for MCA aneurysms, especially if they have incorporated branches. We report the results of coil embolization of incorporated MCA aneurysms. METHODS: From 2012 to 2017, 129 unruptured aneurysms including 10 incorporated MCA aneurysms were treated...
July 12, 2018: World Neurosurgery
Sean P McKee, Anthony Yang, Mingyang Gray, Joshua Zeiger, Joshua B Bederson, Satish Govindaraj, Alfred Mc Iloreta, Raj K Shrivastava
OBJECTIVE: Intracranial meningiomas are the most commonly diagnosed brain tumor in the United States. With increasing incidence, efficient allocation of limited healthcare resources is a critical component of emerging value-based models of care. The purpose of this study was to evaluate the effect of patient and hospital variables on metrics of value-based care. METHODS: Statewide Planning and Research Cooperative System database was queried for records of patients undergoing intracranial meningioma surgery in New York State from 1995 to 2015...
July 12, 2018: World Neurosurgery
Jaime Gerardo Torres-Corzo, Mario Alberto Islas-Aguilar, Christian Daniel Cerecedo-López
BACKGROUND: Ventricular tumors represent approximately 10% of intracranial lesions and are associated with hydrocephalus in 73.9%-100% of patients. We present our experience using flexible neuroendoscopy as a diagnostic and hydrocephalus related treatment strategy for paraventricular and intraventricular tumors. METHODS: Twenty-seven pediatric and twenty-one adult patients with paraventricular or intraventricular tumors, treated with flexible neuroendoscopy were included in this retrospective cohort...
July 12, 2018: World Neurosurgery
Xiuyu Du, Sichang Chen, Yuguang Guan, Jingjing Gu, Meng Zhao, Tianfu Li, Junhong Pan, Guoming Luan
BACKGROUND: Anatomical hemispherectomy is an effective surgical treatment for patients with intractable epilepsy who suffer from severe hemisphere lesions. Different degrees of brain shifting have been observed, but whether these shifts could predict motor function recovery is unknown. The aim of this study was to analyse the correlation between the brain shift ratios of different brain areas and motor function before and after anatomical hemispherectomy. METHODS: The medical records and MRI scans of twenty-three patients who underwent anatomical hemispherectomy from 2006 to 2013 at a single centre were retrospectively reviewed...
July 12, 2018: World Neurosurgery
Andrew Huh, Nicolas Villelli, Daniel Martinez, Jonathan Ting, Ruemu Birhiray, Troy D Payner, Charles G Kulwin
No abstract text is available yet for this article.
July 12, 2018: World Neurosurgery
J Mason DePasse, Wesley Durand, Alan H Daniels
BACKGROUND: Though previous studies have utilized the National Surgical Quality Improvement Program (NSQIP) dataset to study complications of thoracolumbar spinal deformity surgery, there has been limited investigation of cervical spine deformity correction. We performed a retrospective analysis of the NSQIP database to identify predictors of complications after cervical spine osteotomy. METHODS: Patients undergoing cervical spine osteotomy were identified in the NSQIP dataset using CPT codes from years 2007-2016...
July 12, 2018: World Neurosurgery
Baran Bozkurt, Kaan Yağmurlu, Evgenii Belykh, Ali Tayebi Meybodi, Michael S Staren, Joseph L Aklinski, Mark C Preul, Andrew W Grande, Peter Nakaji, Michael T Lawton
OBJECTIVE: To compare transcallosal-transchoroidal and transcallosal-subchoroidal approaches to the ipsilateral and contralateral edges of the floor of the third ventricle using quantitative analyses. METHODS: Five formalin-fixed cadaveric human heads (10 sides) were examined under the operating microscope. Quantitative measurements (area of surgical freedom and angle of attack) were obtained using 3-T magnetic resonance imaging and a StealthStation image guidance system...
July 12, 2018: World Neurosurgery
Makoto Katsuno, Eitaro Ishisaka, Kiyotaka Toyota, Kazutsune Kawasaki, Izumi Inaba
BACKGROUND: Although it is well-known that vertebrobasilar insufficiency (VBI) because of atherothrombosis with bilateral vertebral artery (VA) occlusion is resistant to medical treatment from the acute to subacute stages, the most appropriate treatment for progressive infarction at these stages remains unclear. Here, we described a patient with VBI who underwent emergency superficial temporal artery-superior cerebellar artery (STA-SCA) bypass under partial mastoidectomy after confirming mismatch between diffusion-weighted imaging (DWI) findings and clinical symptoms...
July 12, 2018: World Neurosurgery
Miao Li, Jie Wang, Jian Liu, Conghai Zhao, Xinjian Yang
BACKGROUND: Hemodynamics plays an important role in aneurysm rupture. Microsurgical clipping provided the best chance to confirm the rupture point. The aim of this study was to explore the associations between the rupture point and hemodynamics. METHODS: Computational fluid dynamic simulations were performed on 16 intracranial aneurysms. The rupture point was detected at the time of clipping by three independent neurosurgeons. Hemodynamic parameters, including wall shear stress (WSS) and the oscillatory shear index (OSI), were calculated at the rupture point and the whole aneurysm sac...
July 12, 2018: World Neurosurgery
Xin Hu, Zhiyi Xie, Xin Zan, Lu Ma, Hao Li, Chao You, Yan Jiang
BACKGROUND: Aneurysmal subarachnoid hemorrhage (aSAH) is a devastating disease. Emerging evidences indicated that Apolipoprotein E (ApoE) genotype might be associated with the risk of aSAH as well as the complications and outcomes after aSAH, while the results remained controversial. METHODS: We searched published literature on PubMed, Embase, CNKI and Wanfang database to identify studies involving ApoE genotype and aSAH. Meta-analysis was performed to summarize the relationship between ApoE genotype and aSAH, including the susceptibility, complications and prognosis...
July 12, 2018: World Neurosurgery
George Fotakopoulos, Alexandros G Brotis, Polikceni Kotlia, Kostas Fountas
BACKGROUND: A 55 years old woman, with history of celiac disease (CD), presented with focal seizures and a mass lesion, located at the left frontal lobe. The management of seizures in these patients is challenging. METHODS: The patient underwent a navigation-assisted tumor resection. RESULTS: A week later, patient returned to her regular diet but 12 days after surgery, started the same pattern seizures. CONCLUSION: A patient suffering Glioblastoma Multiforme (GBM), presenting seizures, with CD history, must be treated more aggressively, considering seizures, than usual, with dual or triple anticonvulsant scheme therapy, provided a strict gluten-free diet, after tumor resection...
July 12, 2018: World Neurosurgery
Pierre-Louis Hénaux, Maxime Bretonnier, Pierre-Jean Le Reste, Xavier Morandi
OBJECTIVE: Meningiomas which compress the optic nerve (ON), can lead to different visual outcomes depending on the segment of ON affected (intraorbital, canalicular, and intracranial). We aim to perform a comprehensive comparison of the management options (surgery, radiation or observation alone) for meningiomas compressing the ON, categorized by location and relation to the ON. METHODS: MEDLINE, EMBASE, Web of Science and the Cochrane Database of Systematic reviews databases were searched according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) statement...
July 12, 2018: World Neurosurgery
Robert K Eastlack, Justin B Ledesma, Stacie Tran, Amrit Khalsa, Paul Park, Praveen V Mummaneni, Dean Chou, Adam S Kanter, Neel Anand, Pierce Nunley, Frank La Marca, Richard G Fessler, Juan S Uribe, Gregory M Mundis
INTRODUCTION: MIS correction for ASD may reduce the need the need for postoperative skilled nursing (SNF) or rehabilitation facility placement following surgery. The likelihood of requiring placement in a facility, rather than home disposition, may be influenced by a variety of factors. Additionally, the association of discharge location on outcomes and complication rates has not been elucidated in these patients. In this study, we aimed to define factors predicting disposition to SNF/rehab, and the rates of complications occurring in patients sent home vs...
July 10, 2018: World Neurosurgery
Sachin Ranganatha Goudihalli, Takeo Goto, Christian Bohoun, Atsufumi Nagahama, Yuta Tanoue, Hiroki Morisako, Shinichi Kawahara, Kenji Ohata
Carotid sympathetic plexus schwannomas are rare and only three cases are reported till now to the best of our knowledge. We report the fourth and fifth cases and define its origin based on the exact division of the plexus from which the tumor arises. The surgical approach and technique in each variety and the postoperative outcome is also described. The relationship of partial horner's syndrome with the sympathetic plexus schwannoma of the internal carotid artery is discussed in detail.
July 9, 2018: World Neurosurgery
Barbara Carl, Miriam Bopp, Marko Gjorgjevski, Christopher Nimsky
OBJECTIVE: To investigate how frameless navigational techniques can be implemented to support standard frame-based stereotactic procedures. PATIENTS & METHODS: In 25 patients (18 deep brain stimulation (DBS) procedures, 3 stereotactic biopsies, 4 stereo-encephalography procedures) 57 trajectories were planned. A navigation reference array was attached to the stereotactic frame for automatic registration applying intraoperative computed tomography (iCT). RESULTS: User-independent automatic registration resulted in a low navigation registration error (0...
July 7, 2018: World Neurosurgery
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