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World Neurosurgery

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https://www.readbyqxmd.com/read/28807779/syringo-subarachnoid-shunt-for-the-treatment-of-persistent-syringomyelia-following-decompression-for-chiari-type-i-malformation-surgical-results
#1
Jehuda Soleman, Jonathan Roth, Andrea Bartoli, Daniel Rosenthal, Akiva Korn, Shlomi Constantini
BACKGROUND: Approximately 30% of patients treated by foramen magnum decompression (FMD) for Chiari I-associated-syringomyelia will show persistence, recurrence, or progression of the syrinx. OBJECTIVE: This study evaluates the clinical and radiological outcome of syringo-subarachnoid shunt (SSS) as the treatment for persistent syringomyelia after FMD. METHODS: Data was collected retrospectively. The primary outcome measurement was neurological function (assessed with the Modified Japanese Orthopedic Association (mJOA) scale)...
August 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28807778/cervical-cord-canal-mismatch-a-new-method-for-identifying-predisposition-to-spinal-cord-injury
#2
REVIEW
Aria Nouri, Julio Montejo, Xin Sun, Justin Virojanapa, Luis E Kolb, Khalid M Abbed, Joseph Cheng
The risk for spinal cord injuries (SCIs) ranging from devastating traumatic injuries, compression due to degenerative pathology, and neurapraxia is increased in patients with congenital spinal stenosis. Classical diagnostic criteria include an absolute anteroposterior diameter of <12-13mm or a Torg-Pavlov Ratio of <0.80-0.82; however, these factors do not take into account the size of the spinal cord, which varies across patients independent of canal size. Recent large MRI studies of population cohorts have allowed newer methods to emerge that account for both cord and canal size by measuring a spinal cord occupation ratio (SCOR)...
August 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28807777/bilateral-temporal-myofascial-flap-for-the-reconstruction-of-frontal-sinus-defects
#3
Filippo Gagliardi, Michele Bailo, Alfio Spina, Nicola Boari, Carmine A Donofrio, Martina Piloni, Cristian Gragnaniello, Anthony J Caputy, Pietro Mortini
BACKGROUND: A frontal sinus infection, following a trans-sinus skull base procedure, portends potentially life-threatening complications, making surgical revision mandatory in refractory infections. The authors describe the application of the bilateral temporal myofascial flap (BTMF) as a valuable option for frontal sinus reconstruction, when pericranial or galeal-frontalis myofascial flap (GFMF) is no longer available. METHODS: A microanatomical laboratory investigation on cadaver was conducted to obtain anthropometric measurements...
August 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803734/erratum-to-mortality-associated-characteristics-of-patients-with-traumatic-brain-injury-at-the-university-teaching-hospital-of-kigali-rwanda-world-neurosurgery-102-2017-571-582
#4
Elizabeth Krebs, Charles J Gerardo, Lawrence P Park, Joao Ricardo Nickenig Vissoci, Jean Claude Byiringiro, Fidele Byiringiro, Stephen Rulisa, Nathan M Thielman, Catherine A Staton
No abstract text is available yet for this article.
August 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803733/corrigendum-to-characteristics-of-cervical-spine-trauma-in-patients-with-ankylosing-spondylitis-and-ossification-of-the-posterior-longitudinal-ligament-world-neurosurgery-96-2016-202-208
#5
Chang Kyu Lee, Do Heum Yoon, Keung Nyun Kim, Seong Yi, Dong Ah Shin, Byeongwoo Kim, Nam Lee, Yoon Ha
No abstract text is available yet for this article.
August 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803179/bevacizumab-plus-radiosurgery-for-non-squamous-non-small-cell-lung-cancer-patients-with-brain-metastases-a-safe-combination
#6
J Guinde, R Carron, P Tomasini, L Greillier, J Régis, F Barlesi
INTRODUCTION: In the context of bronchial cancers, brain is one of the most frequent sites for metastases. Local treatments of these metastases have evolved and are often combined to obtain greater efficiency, the main objective remains to reduce the symptoms. Radiosurgery is currently used, as a primary option for patients harboring a small numbers of small to middle-sized brain metastases. In non-squamous non-small cell lung cancer (NSCLC), chemotherapy is often associated with bevacizumab...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803178/treatment-of-unstable-thoracolumbar-fractures-does-fracture-level-fixation-accelerate-the-bone-healing
#7
Zühtü Özbek, Emre Özkara, Hasan Önner, Gültekin Baş, İpek Canan Erman, Hülya Özen, Emre Entok, Ali Arslantaş
OBJECTIVE: This study aimed to investigate the effect of fusion on short segment including fractured level (SSIFL) and long segment (LS) transpedicular fixation after acute thoracolumbar junction (TLJ) burst fractures. The two-year clinical and radiological follow-up results of the two groups were also compared. METHODS: Seventy-four patients were randomized into one of two groups: SSIFL (n: 39) or LS (n: 35). The SSIFL group included one level above and one level below, including the fracture level, while the LS group included two levels above and two levels below, excluding the fracture level, for the transpedicular fixation...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803177/clusterin-a-new-cerebrospinal-fluid-biomarker-in-severe-subarachnoid-haemorrhage-a-pilot-study
#8
Norbert Wąsik, Bartosz Sokół, Marcin Hołysz, Witold Mańko, Robert Juszkat, Piotr Paweł Jagodziński, Roman Jankowski
BACKGROUND: Inflammation following subarachnoid haemorrhage (SAH) employs numerous mediators with biomarker properties. Preliminary studies indicated that clusterin, a multifunctional chaperon protein, was a potential biomarker in SAH. We aim to clarify the status of clusterin in SAH. METHOD: 47 CSF samples were collected on post-SAH days 0-3, 5-7, and 10-14 from 27 patients with severe SAH. Control CSF was collected from 25 age- and sex- matched healthy patients undergoing spinal anaesthesia for minor surgery...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803176/an-easy-efficient-and-mobile-way-for-training-microsurgical-skills-during-busy-life-of-neurosurgical-residency-and-resource-challenged-environment
#9
Antti Huotarinen, Mika Niemelä, Behnam Rezai Jahromi
BACKGROUND: Residents life is more than hectic, it is hard to find place and time for training basic and advanced microsurgical skills. Surgical instruments, sutures can be purchased (or loaned from department) but the most expensive and space occupying device is microscope. In developing countries microscopes are used where the need is most; in operation rooms. Furthermore conventional microscope is not portable. For all mentioned reasons availability of microscope for training microsurgery is very limited...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803175/seeding-of-abdomen-with-primary-intracranial-hemangiopericytoma-by-a-ventriculoperitoneal-shunt-case-report
#10
Kelly Bridges, Rebecca Sauerwein, Marjorie Grafe, Vassiliki Liana Tsikitis, Aaron Halfpenny, Ahmed Raslan
BACKGROUND: Ventriculoperitoneal shunt (VPS) placement has been implicated in extraneural metastasis of many primary central nervous system tumors. Reported cases include, but are not limited to, medulloblastoma, germ cell tumor, astrocytoma, oligodendroglioma, lymphoma, ependymoma, melanoma, and choroid plexus tumors. However, a literature review reveals no reported cases of extraneural metastasis of solitary fibrous tumor/hemangiopericytoma (SFT/HPC). CASE DESCRIPTION: Here we report the case of a 34-year-old man with recurrent intracranial malignant SFT/HPC who had undergone surgical tumor resection and subsequent placement of a VPS for obstructive hydrocephalus in 2004...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803174/intraoperative-vascular-neuromonitoring-in-patients-with-subarachnoid-hemorrhage-a-pilot-study-using-combined-laser-doppler-spectrophotometry
#11
Emilija Schmitz, Barbara Bischoff, Dennis Wolf, Hubert Schmitt, Ilker Y Eyupoglu, Karl Roessler, Michael Buchfelder, Björn Sommer
OBJECTIVE: Intraoperative monitoring of cerebral microcirculation in patients with subarachnoid hemorrhage (SAH) may predict the postoperative neurological outcome. In this pilot study, we examined the value of a novel non-invasive real-time measurement technique to detect changes in local microcirculation. METHODS: We used the laser-Doppler spectrophotometry system "Oxygen-to-see(O2C)" in 14 patients with SAH Hunt & Hess grade 2 to 5, who underwent microsurgical clipping of cerebral aneurysms...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803173/ruptured-vertebral-artery-dissecting-aneurysm-concurrent-with-spontaneous-cervical-internal-carotid-artery-dissection-a-report-of-three-cases-and-literature-review
#12
Yosuke Akamatsu, Kenichi Sato, Hidenori Endo, Yasushi Matsumoto, Teiji Tominaga
BACKGROUND: Multiple dissections rarely occur with ruptured vertebral artery dissecting aneurysms (VADAs). Here, we report three cases of ruptured VADA concurrent with spontaneous cervical internal carotid artery (ICA) dissection. CASE DESCRIPTION: None of the three patients had a history of vasculopathy or trauma. All ruptured VADAs were treated with internal coil trapping in the acute stage of subarachnoid hemorrhage (SAH). Rebleeding was not observed in any patients after the treatment...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803172/influence-of-obesity-on-complications-clinical-outcome-and-subsidence-following-anterior-lumbar-interbody-fusion-alif-prospective-observational-study
#13
Kevin Phan, Priya Rogers, Prashanth J Rao, Ralph J Mobbs
BACKGROUND: The complications associated with obesity have been well described for posterior lumbar spinal surgery. However, the influence of obesity on anterior lumbar interbody fusion (ALIF) is not well established. We aimed to compare complication risks, functional outcomes and subsidence rates in normal, overweight and obese patients who underwent ALIF. METHODS: 137 consecutive patients undergoing ALIF surgery from 2012-2014 were prospectively followed. Patients were categorized into 3 groups according to their body mass index (BMI)...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803171/open-versus-minimally-invasive-surgery-for-extraforaminal-lumbar-disk-herniation-a-systematic-review-and-meta-analysis
#14
REVIEW
Oluwaseun O Akinduro, Panagiotis Kerezoudis, Mohammed Ali Alvi, Jangwon Yoon, Jamachi Eluchie, Hasan M Murad, Zhen Wang, Selby G Chen, Mohamad Bydon
INTRODUCTION: Extraforaminal disk herniation (EDH) accounts for 3-11% of all disk herniations. Despite the heterogeneity of spinal procedures, there is a paucity of literature comparing the outcomes from different surgical approaches. METHODS: We performed a systematic review and meta-analysis of available literature on EDHs. We compared patients undergoing open surgery (OS) with those undergoing minimally invasive surgery (MIS) approaches, including tubular microscopic, percutaneous endoscopic, and micro-endoscopic...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803170/anatomy-of-the-alar-ligament-part-ii-variations-of-its-attachment-onto-the-dens
#15
Juan Sardi, Joe Iwanaga, Cameron Schmidt, Tarush Rustagi, Jens R Chapman, Rod J Oskouian, R Shane Tubbs
OBJECTIVE: Various authors have described the morphology of the alar ligaments, however, there are no reports of a cadaveric study that focuses on their attachments onto the dens. The purpose of this study is to use fresh cadaveric specimens to describe in detail the different attachment patterns of the alar ligaments onto the dens. METHODS: Twenty-two sides from eleven, fresh frozen, cadaveric heads were used. The specimens included eight males and three females that ranged in age from 67 to 99-years-old at death...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803169/stereotactic-radiosurgery-for-dural-arteriovenous-fistulas-without-cortical-venous-reflux
#16
Daniel A Tonetti, Bradley A Gross, Brian T Jankowitz, Kyle M Atcheson, Hideyuki Kano, Edward A Monaco, Ajay Niranjan, L Dade Lunsford
BACKGROUND: The rationale for treatment of dural arteriovenous fistulas (dAVF) without cortical venous reflux is symptomatic resolution. Most studies of dural arteriovenous fistula treatment, including those for stereotactic radiosurgery (SRS), have focused on angiographic obliteration instead of clinical symptomatic outcome. METHODS: The authors evaluated their institutional experience with SRS for cerebral dAVFs without cortical venous reflux from 1991 to 2016, evaluating angiographic and clinical outcomes, focusing on the course of pulsatile tinnitus and/or ocular symptoms after treatment...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803168/metastatic-cardiac-angiosarcoma-to-the-lung-spine-and-brain-a-case-report-and-review-of-the-literature
#17
Chih-Ta Lin, Katrina Ducis, Suzanne Tucker, Bruce Tranmer
BACKGROUND: Metastatic angiosarcoma to the brain is a rare entity without an established management protocol. CASE DESCRIPTION: The authors describe a case of primary cardiac angiosarcoma with a rare brain metastasis in an adult. This patient underwent successful resection of his brain metastasis and was initiated on only chemotherapy for his systemic disease. The patient did not develop local recurrence. A review of primary and metastatic CNS angiosarcoma, its pathologic features, clinical disease course, treatment strategies and genomics is also described...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803167/igg4-related-disease-a-new-etiology-underlying-diffuse-intracranial-dilating-vasculopathy
#18
Evan S Marlin, Davis Dornbos, Daniel S Ikeda, Norman L Lehman, Ciarán J Powers
BACKGROUND: Diffuse intracranial aneurysmal vasculopathy is a rare condition, previously described in patients with human immunodeficiency virus (HIV) infection. IgG4 related disease (IgG4-RD) is a recognized inflammatory disease of systemic organs, leading to fibrosis of connective tissues. It has also been linked to inflammatory dilating aortic aneurysms, coronary vascular disease, hypophysitis, orbital pseudotumor and pachymeningitis. It has not yet been described as a cause of diffuse intracranial dilating vasculopathy...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28801184/fatal-colloid-cysts-a-systematic-review
#19
REVIEW
Carlito Lagman, Kanwaldeep Rai, Lawrance K Chung, Daniel T Nagasawa, Joel S Beckett, Alexander M Tucker, Isaac Yang
OBJECTIVE: To accurately characterize patient characteristics and the clinical presentation of fatal colloid cysts. METHODS: A systematic literature search of three popular databases was performed. Inclusion criteria were individuals with sudden-onset death and colloid cysts identified on imaging and/or autopsy. The cause of death must have been ascribed to the colloid cyst. Deaths precipitated by lumbar puncture were excluded. Clinical data were extracted and descriptive statistics were ascertained...
August 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28797983/rationalisation-of-the-irrational-neuropathological-basis-of-hypothyroidism-olfaction-disorders-paradox-experimental-study
#20
Nazan Aydin, Leyla Ramazanoglu, Mehmet Resid Onen, Ilhan Yilmaz, Mehmet Dumlu Aydin, Konca Altinkaynak, Muhammet Calik
OBJECTIVE: Hypothyroidism is defined as an underactive thyroid gland and one of the reasons for inadequate stimulation of thyroid is dysfunction of the hormone regulating brain centers. Olfaction disorders have been considered as a problem in hypothyroidism. It has been hypothesised that olfaction disorders reduce olfactory stimulation and diminished olfactory stimulus may trigger hypothyroidism. In this study an examination was made of the thyroid hormone levels, histological features of thyroid glands and vagal nerve network degradation in an experimental animal model of olfactory bulbectomy (OBX)...
August 7, 2017: World Neurosurgery
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