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Acta Neurochirurgica

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https://www.readbyqxmd.com/read/28815338/prolonged-hypotension-after-carotid-artery-stenting-incidence-predictors-and-consequences
#1
Elif Gökçal, Elvin Niftaliyev, Çiğdem Deniz, Mehmet Ergelen, Vildan Güzel, Ömer Göktekin, Talip Asil
BACKGROUND: Hemodynamic changes frequently occur after carotid artery stenting (CAS), and in some patients these changes, particularly hypotension, may be prolonged. There are discrepant results for predicting patients at high risk for these prolonged hemodynamic changes and identifying the effect on clinical outcome. In this study, we aimed to determine the frequency, predictors and consequences associated with prolonged hypotension (PH) after CAS in our center. METHODS: We retrospectively analyzed the demographics, risk factors, nature of carotid disease, degree of stenosis of both internal carotid arteries, stent diameter and site of dilatation during stenting in 137 CAS procedures...
August 17, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28815310/innovation-in-neurosurgery
#2
EDITORIAL
Mario Ammirati
No abstract text is available yet for this article.
August 16, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28812201/effectiveness-of-navigation-guided-cyst-aspiration-before-resection-of-large-cystic-brain-tumors-a-proof-of-concept-for-more-radical-surgery
#3
Tae Hoon Roh, Kyoung Su Sung, Seok-Gu Kang, Ju Hyung Moon, Eui Hyun Kim, Sun Ho Kim, Jong Hee Chang
BACKGROUND: Resection of tumors close to the corticospinal tract (CST) carries a high risk of damage to the CST. For cystic tumors, aspirating the cyst before resection may reduce the risk of damage to vital structures. This study evaluated the effectiveness of cyst aspiration, by comparing the results before and after aspiration of diffusion tensor image (DTI) tractography. METHODS: This study enrolled 23 patients with large cystic brain tumors (>20 cm(3)) between 2012 and 2016...
August 16, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28812163/editorial-postoperative-chylothorax-a-cause-for-concern
#4
EDITORIAL
Anders Albåge
No abstract text is available yet for this article.
August 15, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28808801/post-operative-seizures-after-burr-hole-evacuation-of-chronic-subdural-hematomas-is-prophylactic-anti-epileptic-medication-needed
#5
Gabriel Flores, Juan C Vicenty, Emil A Pastrana
INTRODUCTION: There are limited data with regards to the associated risk of post-operative seizures in patients with surgically treated chronic subdural hematomas (CSDHs). The use of anti-epileptic drugs (AEDs) is associated with significant side effects. METHODS: A retrospective chart review was performed on patients operated via burr hole for CSDH in our institution from 2004 to 2013. Post-operative seizures at 1-year follow-up were identified. Demographic data, medical history, and imaging characteristics were recorded...
August 15, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28808799/transorbital-endoscopic-approach-for-exposure-of-the-sylvian-fissure-middle-cerebral-artery-and-crural-cistern-an-anatomical-study
#6
João Paulo Almeida, Armando S Ruiz-Treviño, Sathwik R Shetty, Sacit B Omay, Vijay K Anand, Theodore H Schwartz
BACKGROUND: The availability of minimal access instrumentation and endoscopic visualization has revolutionized the field of minimally invasive skull base surgery. The transorbital endoscopic approach using an eyelid incision has been proposed as a new minimally invasive technique for the treatment of skull base pathology, mostly extradural tumors. Our study aims to evaluate the anatomical aspects and potential role of the transorbital endoscopic approach for exposure of the sylvian fissure, middle cerebral artery and crural cistern...
August 14, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28799129/the-missing-falx-a-potential-surgical-pitfall-during-interhemispheric-transcallosal-approach
#7
Sunil Kumar Gupta, Ashish Aggarwal
One of the standard surgical approaches to lateral ventricular tumors involves interhemispheric dissection along the falx cerebri. The falx cerebri thus provides an important landmark in guiding the surgeon to the midline. Unrecognized absence of falx may lead to surgical complications. A child with tuberous sclerosis presented with refractory epilepsy and a lateral ventricular tumor. The tumor was excised by an interhemispheric trans-callosal approach. The midline falx cerebri was absent anteriorly, rendering the identification of midline difficult...
August 10, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28799104/accuracy-of-837-pedicle-screw-positions-in-degenerative-lumbar-spine-with-conventional-open-surgery-evaluated-by-computed-tomography
#8
Ilkka Saarenpää, Timo Laine, Jussi Hirvonen, Saija Hurme, Esa Kotilainen, Jaakko Rinne, Katariina Korhonen, Janek Frantzén
BACKGROUND: The spatial and directional accuracy of the positioning of pedicle screws in the lumbosacral spine with conventional open surgery assessed by computed tomography (CT) has been published in several studies, systematic reviews and meta-analyses with a short-term follow-up. Inaccurate pedicle screw insertion may cause neurologic symptoms and weakens the construct. METHODS: The data of 147 patients operated on with transpedicular screw fixation based on anatomical landmarks, supported by fluoroscopy, by a senior neurosurgeon in our clinic between 2000 and 2010 were analyzed retrospectively...
August 10, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28799078/intrachiasmatic-abscess-caused-by-igg4-related-hypophysitis
#9
Georgios F Hadjigeorgiou, Eva Løbner Lund, Lars Poulsgaard, Ulla Feldt-Rasmussen, Åse Krogh Rasmussen, Marianne Wegener, Kåre Fugleholm
INTRODUCTION: Autoimmune hypophysitis is a rare disease of the pituitary, which may affect vision by inflammation and compression of the optic chiasm. However, intrachiasmatic abscess formation has not been previously reported. METHODS: In this study, we report a case of a 29-year-old female with bitemporal hemianopia due to a cystic intrasellar tumor. The patient underwent surgical decompression of the lesion, which was found to be an intrachiasmatic abscess. RESULTS: The histologic findings were consistent with IgG4 hypophysitis...
August 10, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28799016/intraparenchymal-intracranial-pressure-monitoring-for-hydrocephalus-and-cerebrospinal-fluid-disorders
#10
Aswin Chari, Debayan Dasgupta, Alexander Smedley, Claudia Craven, Edward Dyson, Samir Matloob, Simon Thompson, Lewis Thorne, Ahmed K Toma, Laurence Watkins
BACKGROUND: Elective intraparenchymal intracranial pressure (ICP) monitoring is useful for the diagnosis and treatment of hydrocephalus and cerebrospinal fluid (CSF) disorders. This retrospective study analyzes median ICP and pulse amplitude (PA) recordings in neurosurgically naïve patients undergoing elective ICP monitoring for suspected CSF disorders. METHODS: Retrospective review of prospectively collated database of neurosurgically naïve patients undergoing elective ICP monitoring for suspected hydrocephalus and CSF disorders...
August 10, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28791500/correlation-of-volumetric-growth-and-histological-grade-in-50-meningiomas
#11
Wai Cheong Soon, Daniel M Fountain, Kacper Koczyk, Mutwakil Abdulla, Sachin Giri, Kieren Allinson, Tomasz Matys, Mathew R Guilfoyle, Ramez W Kirollos, Thomas Santarius
INTRODUCTION: Advances in radiological imaging techniques have enabled volumetric measurements of meningiomas to be easily monitored using serial imaging scans. There is limited literature on the relationship between tumour growth rates and the WHO classification of meningiomas despite tumour growth being a major determinant of type and timing of intervention. Volumetric growth has been successfully used to assess growth of low-grade glioma; however, there is limited information on the volumetric growth rate (VGR) of meningiomas...
August 9, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28791543/chordoma
#12
EDITORIAL
Ossama Al-Mefty
No abstract text is available yet for this article.
August 8, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28791520/external-ventricular-drain-causes-brain-tissue-damage-an-imaging-study
#13
Fabrizio Ortolano, Marco Carbonara, Antonella Stanco, Vittorio Civelli, Giorgio Carrabba, Tommaso Zoerle, Nino Stocchetti
BACKGROUND: An external ventricular drain (EVD) is used to measure intracranial pressure (ICP) and to drain cerebrospinal fluid (CSF). The procedure is generally safe, but parenchymal sequelae are reported as a possible side effect, with variable incidence. We investigated the mechanical sequelae of EVD insertion and their clinical significance in acute brain-injured patients, with a special focus on hemorrhagic lesions. METHODS: Mechanical sequelae of EVD insertion were detected in patients by computed tomography (CT) and magnetic resonance imaging (MRI), performed for clinical purposes...
August 8, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28791519/adolescents-with-moyamoya-disease-clinical-features-surgical-treatment-and-long-term-outcomes
#14
Meng Zhao, Dong Zhang, Shuo Wang, Yan Zhang, Rong Wang, Xiaofeng Deng, Faliang Gao, Jizong Zhao
BACKGROUND: This study aimed to elucidate the clinical features, surgical treatment and long-term outcomes of adolescent patients with moyamoya disease. METHODS: We reviewed consecutive patients with moyamoya vasculopathy who were admitted to our hospital from 2009 to 2015 to identify adolescent patients with moyamoya disease. Clinical features, surgical treatment and long-term outcomes were analyzed. Follow-up was performed by face-to-face or structured telephone interviews...
August 8, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28791479/using-external-lumbar-csf-drainage-to-treat-communicating-external-hydrocephalus-in-adult-patients-after-acute-traumatic-or-non-traumatic-brain-injury
#15
Romain Manet, Jean-François Payen, Romain Guerin, Orianne Martinez, Serge Hautefeuille, Gilles Francony, Laurent Gergelé
BACKGROUND: Despite various treatments to control intracranial pressure (ICP) after brain injury, patients may present a late onset of high ICP or a poor response to medications. External lumbar drainage (ELD) can be considered a therapeutic option if high ICP is due to communicating external hydrocephalus. We aimed at describing the efficacy and safety of ELD used in a cohort of traumatic or non-traumatic brain-injured patients. METHODS: In this multicentre retrospective analysis, patients had a delayed onset of high ICP after the initial injury and/or a poor response to ICP treatments...
August 8, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28791430/rct-vs-register
#16
LETTER
Marco Cenzato, Edoardo Boccardi
No abstract text is available yet for this article.
August 8, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28780715/innovation-in-neurosurgery-less-than-ideal-a-systematic-review
#17
REVIEW
I S Muskens, S J H Diederen, J T Senders, A H Zamanipoor Najafabadi, W R van Furth, A M May, T R Smith, A L Bredenoord, M L D Broekman
BACKGROUND: Surgical innovation is different from the introduction of novel pharmaceuticals. To help address this, in 2009 the IDEAL Collaboration (Idea, Development, Exploration, Assessment, Long-term follow-up) introduced the five-stage framework for surgical innovation. To evaluate the framework feasibility for novel neurosurgical procedure introduction, two innovative surgical procedures were examined: the endoscopic endonasal approach for skull base meningiomas (EEMS) and the WovenEndobridge (WEB device) for endovascular treatment of intracranial aneurysms...
August 6, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28766024/usefulness-of-intraoperative-electromyographic-monitoring-of-oculomotor-and-abducens-nerves-during-skull-base-surgery
#18
Zi-Yi Li, Ming-Chu Li, Jian-Tao Liang, Yu-Hai Bao, Ge Chen, Hong-Chuan Guo, Feng Ling
BACKGROUND: Intraoperative neurophysiologic monitoring of the extraocular cranial nerve (EOCN) is not commonly performed because of technical difficulty and risk, reliability of the result and predictability of the postoperative function of the EOCN. METHODS: We performed oculomotor nerve (CN III) and abducens nerve (CN VI) intraoperative monitoring in patients with skull base surgery by recording the spontaneous muscle activity (SMA) and compound muscle action potential (CMAP)...
August 2, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28766023/how-i-do-it-optimizing-radiofrequency-ablation-in-spinal-metastases-using-ict-and-navigation
#19
Pujan Kavakebi, C F Freyschlag, C Thomé
BACKGROUND: Exact positioning of the radiofrequency ablation (RFA) probe for tumor treatment under fluoroscopic guidance can be difficult because of potentially small inaccessible lesions and the radiation dose to the medical staff in RFA. In addition, vertebroplasty (VP) can be significantly high. METHOD: Description and workflow of RFA in spinal metastasis using iCT (intraoperative computed tomography) and 3D-navigation-based probe placement followed by VP. CONCLUSION: RFA and VP can be successfully combined with iCT-based navigation, which leads to a reduction of radiation to the staff and optimal probe positioning due to 3D navigation...
August 1, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28762111/unruptured-brain-avms-it-s-time-we-worked-together-to-integrate-care-and-clinical-research
#20
LETTER
Elsa Magro, Jean-Christophe Gentric, Tim E Darsaut, Jean Raymond
No abstract text is available yet for this article.
August 1, 2017: Acta Neurochirurgica
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