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Journal of Neurosurgical Sciences

Franziska A Schmidt, Rodrigo Navarro-Ramirez, Louis Chang, Sertac Kirnaz, Christoph Wipplinger, Roger Härtl
The peculiarity of extreme lateral interbody fusion (LLIF) is the achievement of indirect neural decompression of the spinal canal while distracting the intervertebral disc space using an interbody cage. In this manuscript we will review the potentials and limitations of this technique when treating degenerative disc disease of the lumbar spine. A literature search of the PubMed-National Library of Medicine was performed. Only articles in English were included. The current available literature demonstrates that LLIF is an effective method to decompress foraminal and central canal stenosis...
April 2, 2019: Journal of Neurosurgical Sciences
Francesco Guerrini, Elena Roca, Mariarosaria Verlotta, Gianluca Grimod, Giannantonio Spena
No abstract text is available yet for this article.
April 2, 2019: Journal of Neurosurgical Sciences
Oreste De Divitiis, Elena D'avella, Luca Denaro, Teresa Somma, Matteo Sacco, Domenico D'avella
BACKGROUND: In the last decade, application of the high-definition exoscope to different neurosurgical procedures has been reported in the literature. We describe the first experience with the VITOM®-3D for the surgical treatment of intradural extra-medullary tumors. METHODS: Five neurosurgical procedures for the removal of intradural extra-medullary tumors were performed with the VITOM®-3D. Patients' population, feasibility of surgery under the exoscope visualization, VITOM®-3D's technical and optical characteristics, and surgical outcome were analyzed...
April 2, 2019: Journal of Neurosurgical Sciences
Hansen Deng, John K Yue, Angel Ordaz, Catherine G Suen, David C Sing
BACKGROUND: Elective fusions for degenerative spine disease have increased over the past two decades in the United States, with variability in complications and hospital costs. The additional service costs associated with adverse perioperative events remain unknown. Our objective is to improve understanding of trends in safety and cost of elective lumbar fusions on a national scale. METHODS: A weighted sample of 1,526,386 adults undergoing elective lumbar fusion for degenerative indications were identified in the National Inpatient Sample (NIS) years 2002-2014...
April 2, 2019: Journal of Neurosurgical Sciences
Paolo Di Russo, Davide T Di Carlo, Ariel Lutenberg, Riccardo Morganti, Alexander I Evins, Paolo Perrini
INTRODUCTION: Shunt-dependent hydrocephalus (SDHC) after aneurysmal subarachnoid hemorrhage (aSAH) is the occurrence of symptomatic ventriculomegaly requiring permanent shunt diversion. Although several studies investigated the predictors of SDHC, the role of many of these factors, as well as the prevalence of SDHC and patients' clinical outcome, remain a matter of controversy. EVIDENCE ACQUISITION: According to PRISMA guidelines we performed a systematic search looking into four databases with the purpose of clarifying the prevalence of SDHC after aSAH, the predictors of SDHC, the mortality rate and clinical outcome of patients with and without SDHC...
April 2, 2019: Journal of Neurosurgical Sciences
Ian T Mark, Patrick H Luetmer, Charlotte H Rydberg, Robert J Witte, Jennifer R Geske, Matthew P Johnson, Vance T Lehman
BACKGROUND: Identification of the central sulcus can require inspection of subtle differences or require certain pulse sequences. This study identifies the central sulcus by signal intensity on Double Inversion Recovery (DIR) images in multiple anatomic locations and imaging planes. METHODS: 49 patients (98 hemispheres) were retrospectively reviewed by three neuroradiologists and one radiology resident. The central sulcus was compared to the surrounding sulci for differences in signal intensity at axial hand knob, axial operculum, and lateral convexity sagittal images (294 locations) on DIR images...
April 2, 2019: Journal of Neurosurgical Sciences
Ramin A Morshed, Jacob S Young, Shawn L Hervey-Jumper, Mitchel S Berger
Low grade gliomas (LGGs) are WHO grade II tumors that affect mostly adult patients and include diffuse astrocytomas and oligodendrogliomas. New diagnostic criteria based on histology and molecular characterization with IDH mutation status and 1p/19q codeletion status have provided further categorization of these tumors and additional insights into prognosis and treatment response. In general, the current management of LGG favors maximum upfront resection with consideration of combined chemoradiation for patients deemed "high risk"...
March 27, 2019: Journal of Neurosurgical Sciences
Pablo Ajler, Sofía A Beltrame, Alvaro Campero, Lucas Garategui, Pedro Plou, Claudio Yampolsky
BACKGROUND: The introduction of the nasoseptal flap for the reconstruction of extended endoscopic approaches decreased the incidence of postoperative fistula. In order to preserve the septal vascular pedicles, many have started to prepare the flap systematically, prior to the opening of the sphenoid rostrum. OBJECTIVE: The aim of this study is to obtain an average measure of the location of the posterior septal artery using the upper edge of the choana as a landmark...
March 18, 2019: Journal of Neurosurgical Sciences
Umberto Restelli, Carla D Anania, Emanuele Porazzi, Giuseppe Banfi, Davide Croce, Maurizio Fornari, Francesco Costa
BACKGROUND: Image-guided navigation systems are well establish technologies; their use in clinical practice is growing. To date many publications have demonstrated their accuracy and safety. However, the acquisition and maintenance costs are high. In an era in which health expenditures are rising exponentially, analyses of the economic impact of new technologies are mandatory to assess their sustainability. METHODS: A retrospective analysis to assess the overall costs of a series of patients admitted to our Neurosurgical Department for spinal instrumentation...
March 18, 2019: Journal of Neurosurgical Sciences
Gerda Venter, Lané Prigge, Barbara L Viljoen, Frikkie C De Beer, Lunga C Bam
BACKGROUND: Sub-Saharan neurosurgeons most likely need to perform invasive procedures without the latest imaging and navigation technology in the operating room. Therefore, these surgeons need to utilize other methods such as superficial surface landmarks for neuro-navigation. Bony landmarks, including the inion and asterion, are commonly used during invasive procedures to pinpoint the location of the confluence of sinuses and transverse-sigmoid sinus junction, respectively. The purpose of this study was to investigate whether the inion and asterion can be used as superficial landmarks for the confluence of sinuses and the transverse-sigmoid sinus junction, respectively, in a South African population...
March 18, 2019: Journal of Neurosurgical Sciences
Toru Hirano, Katsuhiro Ichikawa, Masahiko Wanibuchi, Takeshi Mikami, Junpei Suzuki, Hiroshi Nagahama, Nobuhiro Mikuni
BACKGROUND: To assess the positional accuracy of image fusions of the skull base region using different magnetic resonance imaging (MRI) and computed tomography (CT) image pairs. METHODS: An image set of 3D fast imaging employing steady-state acquisition-C (FIESTA-C) was used as the base image set. Image fusions were performed using an image set with different fields of view (FOVs): one with different matrix size, one with a different sequence of 3D spoiled gradient recalled acquisition, and one with different modality (CT), using a phantom including multi columnar objects...
February 22, 2019: Journal of Neurosurgical Sciences
Pierluigi Longatti, Alessandro Fiorindi, Giorgio Gioffre', Giuseppe Canova, Alessandro Carteri
No abstract text is available yet for this article.
February 4, 2019: Journal of Neurosurgical Sciences
Antonino Scibilia, Giovanni Raffa, Stefano M Priola, Felice Esposito, Filippo F Angileri, Salvatore M Cardali, Antonino Germanò
BACKGROUND: Nowadays, internet provides a great opportunity that allows the research community to constantly increase their scientific collaboration, together with information distribution. Aim of this study is to investigate the European National Neurosurgical Societies (ENNS) web-visibility that represents the necessary basis for diffusion of neurosurgical knowledge to both patients and neurosurgeons. METHODS: We evaluated the web-visibility of each Neurosurgical Society affiliated to the European Associations of Neurosurgical Societies (EANS) using 3 different parameters: 1) the availability of the full list of all Neurosurgical Centers (NCs) of the country in each ENNS website; 2) the availability of a specific English-written section on the ENNS web-site; 3) the availability of at least one section titled "news and events" and/or "educational" and/or "patient info" on the ENNS website...
February 4, 2019: Journal of Neurosurgical Sciences
Alfio Spina, Aleandro Rocca, Nicola Boari, Filippo Gagliardi, Michele Bailo, Pietro Mortini
No abstract text is available yet for this article.
February 4, 2019: Journal of Neurosurgical Sciences
Miriam H Bopp, Peter M Pietruk, Christopher Nimsky, Barbara Carl
BACKGROUND: Reliable visualization of the optic radiations (OR) is of major importance in tumor surgery close to the OR to prevent permanent visual field deficits. Diffusion tensor imaging (DTI) based fiber tractography (FT) has become a standard tool to visualize major white matter tracts and to support the prevention of postoperative deficits. Nevertheless, FT of the OR is notoriously challenging due to its high neuroanatomical complexity. METHODS: To improve FT of the OR we analyzed the effect of a more complex diffusion model and the effect of different voxel shapes and orientations...
February 4, 2019: Journal of Neurosurgical Sciences
Danilo Cardim, Chiara Robba, Bernhard Schmidt, Joseph Donnelly, Eric A Schmidt, Michal Bohdanowicz, Peter Smielewski, Marek Czosnyka
BACKGROUND: In traumatic brain injury (TBI), swelling may disturb the potentially uniform pressure distribution in the brain, producing sustained intercompartmental pressure gradients which may associate with midline shift. The presence of pressure gradients is often neglected since bilateral invasive intracranial pressure (ICP) monitoring is not usually considered because of risks and high costs. We evaluated the presence of interhemispheric pressure gradients using bilateral transcranial Doppler (TCD) as means for non-invasive ICP (nICP) monitoring in TBI patients presenting midline shift...
February 4, 2019: Journal of Neurosurgical Sciences
Renato Donzelli, Crescenzo Capone, Francesco G Sgulò, Giuseppe Mariniello, Oleksiy Donzelli, Francesco Maiuri
BACKGROUND: Peripheral nerve injuries (PNI) with traumatic origin in upper and lower extremities are pathologies with an important quality-of-life considerations. For neurosurgeons, it is mandatory to understand their physiopathological mechanism and a proper treatment. The authors describe a series of 50 patients with traumatic PNI who underwent microsurgical reconstruction by autologous graft between 1993 and 2014. METHODS: Patients aged less than 65, who had neurological deficit in a range 3-12 months and severe and persistent nerve injury at electrophysiological examination were included in the study...
February 4, 2019: Journal of Neurosurgical Sciences
Andrea Brunori, Alberto Delitala
No abstract text is available yet for this article.
February 4, 2019: Journal of Neurosurgical Sciences
Enrico Giordan, Waleed Brinjikji, Giuseppe Lanzino
No abstract text is available yet for this article.
April 2019: Journal of Neurosurgical Sciences
Omidvar Rezaei, Mohammad Samadian, Mehrdad Hosseinzadeh Bakhtevari, Amirarsalan A Darozarbi
Desmoid tumors are histologically benign but locally invasive tumors that rarely can occur in the head and neck. In this article, we illustrate a rare case of desmoid tumor formation in intracranial posterior fossa after suboccipital craniotomy for hemangioblastoma. A 43-year-old woman presented with headaches, dizziness, equilibrium disorders, nausea, and vomiting due to a hemangioblastoma in posterior fossa. A gross total resection was achieved. Three years postoperatively, the patient developed a growing mass at the intracranial intradural regions in posterior fossa near the previous incision...
April 2019: Journal of Neurosurgical Sciences
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