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World Neurosurgery

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https://www.readbyqxmd.com/read/28927919/results-of-conservative-follow-up-or-surgical-treatment-of-mayamoya-patients-who-present-without-hemorrhage-tia-or-stroke
#1
Rutao Luo, Faliang Gao, Xiaofeng Deng, Dong Zhang, Yan Zhang
OBJECTIVE: The epidemiology of asymptomatic Moyamoya disease (MMD) is still unclear, and the best management remains controversial. The aim of this study is to evaluate the prognosis of these patients with different management, conservative follow-up or surgical treatment. METHODS: This prospective cohort study screened a series of 696 consecutive MMD patients from 2009 to 2015. Patients with any episodes of hemorrhage and ischemic stroke or TIA were excluded. Finally, 61 patients who were followed up for at least 12 months were included, with 52 patients underwent surgical treatment and 9 patients underwent conservative follow-up...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28927918/the-safety-of-irreversible-electroporation-on-nerves-adjacent-to-treated-tumors
#2
Xiaomei Luo, Zilin Qin, Huimin Tao, Jian Shi, Gang Fang, Zhonghai Li, Xulong Zhou, Jibing Chen, Kecheng Xu, Jianying Zeng, Lizhi Niu
OBJECTIVES: To evaluate the safety of irreversible electroporation (IRE) on the sciatic nerve after IRE ablation of adjacent tumor. METHODS: and analysis In this study, VX2 tumors were implanted adjacent to the sciatic nerves in 26 New Zealand white rabbits. The rabbits were divided into three groups 10 days after implantation, with two treatment groups of ten rabbits each and a control group of six rabbits. In one of the treatment groups (IRE-S group), the rabbits underwent ablation with a single IRE application, and in the other group (IRE-D group) the rabbits underwent two IRE applications...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28927917/impact-of-active-leisure-non-competitive-contact-sports-activities-on-space-available-for-cord-sac-of-sub-axial-cervical-spine-of-asymptomatic-adults
#3
Chika Anele Ndubuisi, Samuel C Ohaegbulam, Wilfred C Mezue
BACKGROUND: Leisure sports activities are assumed to be safe. It is however possible that participation in contact sports as leisure activity may also affect the SAC. AIM: compare SAC of asymptomatic young adults involved in active leisure contact sports with matched controls that do not participate in contact sports. METHOD: MRI-based prospective, cross-sectional study involving 204 randomly selected asymptomatic adults, 21-50 years old. Group A participates in active leisure contact sports while group B do not participate in any form of contact sports...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28927916/results-of-combined-intraventricular-neuroendoscopic-procedures-in-130-cases-with-special-focus-on-fornix-contusions
#4
Joachim Oertel, Stefan Linsler, Caroline Emmerich, Dörthe Keiner, Michael Gaab, Henry Schroeder, Sebastian Senger
OBJECTIVE: The growing experience with intraventricular neuroendoscopic procedures showed good results in the combination of ETV and tumor biopsy. Other possible combinations are mainly presented in subgroups in the literature. Here, the authors present their experience with combined intraventricular procedures within one setting over the last two decades. METHODS: This study analyses retrospectively data from neuroendoscopic intraventricular procedures between 1993 and 2015 in three different departments of Neurosurgery...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28927915/stereotactic-radiosurgery-for-type-1-versus-type-2-trigeminal-neuralgias
#5
Ching-Jen Chen, Gabriella Paisan, Thomas J Buell, Kristen Knapp, Dale Ding, Zhiyuan Xu, Daniel M Raper, Davis G Taylor, Robert F Dallapiazza, Cheng-Chia Lee, Jason P Sheehan
INTRODUCTION: It remains unclear whether if stereotactic radiosurgery (SRS) offers the same benefit for patients with type 2 trigeminal neuralgia (TN2) as for those with type 1 trigeminal neuralgia (TN1). The objective of this study is to compare the outcomes of patients with TN1 and TN2 following SRS. METHODS: SRS outcomes of trigeminal neuralgia patients treated at a single center from 1994 to 2016 were analyzed. Patients with TN1 were matched to those with TN2 in a 1:1 ratio based on sex, age, pre-treatment Barrow Neurological Institute (BNI) pain score, prior treatment, prior facial numbness, and maximum dose...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28927914/c1-c2-pedicle-screw-fixation-for-atlantoaxial-dislocation-in-pediatric-patients-younger-than-5-years-a-case-series-of-15-patients
#6
Yue-Hui Zhang, Jiang Shao, Dean Chou, Jian-Feng Wu, Jia Song, Jing Zhang
OBJIECTIVE: C1-C2 pedicle screw fixation has become popular for providing excellent bony purchase and avoiding neurovascular complications. However, it may be technically challenging in children. The objective of this study is to investigate the safety and efficacy of C1-C2 pedicle screw fixation for atlantoaxial dislocation (AAD) in pediatric patients younger than 5 years, and to evaluate the preliminary clinical and radiographic results. METHODS: During a 7-year period, 15 patients with a mean age of 3...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28927913/association-of-acvrl1-genetic-polymorphisms-with-arteriovenous-malformations-a-case-control-study-and-meta-analysis
#7
Mingxu Ge, Chigang Du, Zhaona Li, Yingchao Liu, Shangchen Xu, Liyong Zhang, Qi Pang
OBJECTIVE: To investigate the association between polymorphisms in the gene encoding activin receptor-like kinase 1 (ACVRL1) with brain arteriovenous malformations (BAVMs) using a case-control study in a Chinese Han population, followed by a meta-analysis of the published literature. METHODS: This study focused on the genotypic analysis of four single nucleotide polymorphisms (SNPs; rs2071219, rs706819, rs2293094, and rs11169953) in 50 BAVM patients and 120 healthy volunteers attending Provincial Hospital in China...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28927912/steinmann-pins-for-c1-lateral-mass-screw-placement-during-atlantoaxial-stabilization
#8
Joshua E Meyers, Kunal Vakharia, Joseph M Kowalski, Vassilios G Dimopoulos, John Pollina
OBJECTIVE: The authors describe a modified technique for placement of the C1 lateral mass screw using a Steinmann pin as a guide. This technique minimizes dissection and provides atlantoaxial stabilization during arthrodesis. METHODS: In our technique, a non-threaded 1.6mm spade-tip Steinmann pin is placed into the lateral mass of C1 to serve as a guide over which a powered drill is used for screw insertion. Perioperative data were collected for consecutive patients who underwent a C1-2 arthrodesis that involved the modified technique between March 2010 and July 2016...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28927911/characteristics-of-blood-blister-like-aneurysms-with-a-saccular-shape-appearance
#9
Hirofumi Nishikawa, Shigetoshi Shimizu, Hideki Nakajima, Yotaro Kitano, Takanori Sano, Genshin Mouri, Fumitaka Miya, Hidenori Suzuki
BACKGROUND: Blood blister-like aneurysms (BBAs) are a subgroup of aneurysms located on non-branching sites of the internal carotid artery (ICA) and characterized by small size, a fragile wall, and a poorly defined broad-based neck. Both direct surgery and endovascular treatment for BBA are often challenging. Some of them were reported to look like a true saccular aneurysm, and the misdiagnosis of BBA might result in catastrophic outcomes. The purpose of this study is to clarify the clinical and intraoperative findings of saccular BBAs...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28927910/hearing-outcome-following-microvascular-decompression-for-hemifacial-spasm-series-of-1434-cases
#10
Na Young Jung, Si Woo Lee, Chang Kyu Park, Won Seok Chang, Hyun Ho Jung, Jin Woo Chang
OBJECTIVE: Although hearing impairment after microvasuclar decompression (MVD) for hemifacial spasm (HFS) is not common, its occurrence could detrimentally affect the patient`s surgical outcome. The object of this study is to address the optimal approaches for reducing postoperative hearing problems after MVD for HFS. METHODS: We retrospectively analyzed the medical records of patients with HFS who underwent MVD with the same surgeon at our institute from March 2003 to October 2016, and reviewed the pertinent literature...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28927909/monolateral-pterional-keyhole-approaches-to-bilateral-cerebral-aneurysms-anatomy-and-clinical-application
#11
Liang-Hong Yu, Huang-Cheng Shang-Guan, Guo-Rong Chen, Shu-Fa Zheng, Yuan-Xiang Lin, Zhang-Ya Lin, Pei-Sen Yao, De-Zhi Kang
OBJECTIVE: To study the anatomy and clinical application of monolateral pterional keyhole approach for treating bilateral cerebral aneurysms. MATHERIAL AND METHODS: 12 alcohol-preserved cadaveric heads underwent right pterional keyhole approaches for management of simulative contralateral aneurysms. Length of the contralateral middle cerebral artery (MCA), distal internal carotid artery (DICA), anterior cerebral artery (ACA), and ophthalmic segment of internal carotid artery (OICA) was recorded...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28923428/staged-stenting-with-or-without-additional-coils-after-conventional-initial-coiling-of-acute-ruptured-wide-neck-intracranial-aneurysms
#12
Zhengzhe Feng, Qiao Zuo, Pengfei Yang, Qiang Li, Rui Zhao, Bo Hong, Yi Xu, Qinghai Huang, Jianmin Liu
BACKGROUND: Stent-assisted coiling technique has been more and more adopted in the treatment of intracranial aneurysms, and has been shown to improve long-term angiographic results, however, the treatment is relatively contraindicated in acutely ruptured aneurysms for its ischemic and hemorrhagic complications. Staged stenting after conventional coiling has emerged as a potential treatment strategy for ruptured wide-neck aneurysms. This study assessed the safety and efficacy of coiling in the acute phase followed by delayed stenting for ruptured wide-neck intracranial aneurysms...
September 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28923427/minimally-invasive-versus-open-surgery-for-lumbar-synovial-cysts
#13
Pierluigi Vergara, Christopher Yusuf Akhunbay-Fudge, Mark Robert Kotter, Rodney John Charles Laing
OBJECTIVE: Lumbar synovial cysts are relatively infrequent. Historically, these benign lesions have been treated with open excision, sometimes associated with fusion. The aim of this study is to compare Minimally Invasive Surgery (MIS) with Open Surgery (OS) for the treatment of lumbar synovial cysts. METHODS: Retrospective review of patients who underwent minimally invasive or open excision of lumbar synovial cysts. Clinical outcomes, recurrence rate and surgical complications were compared in the 2 groups...
September 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28923426/flexible-ultrathin-endoscope-integrated-with-irrigation-suction-apparatus-for-assisting-microneurosurgery
#14
Naoki Otani, Yuji Morimoto, Kazuya Fujii, Terushige Toyooka, Kojiro Wada, Kentaro Mori
No abstract text is available yet for this article.
September 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28919570/initial-clinical-experience-with-aview-a-clinical-computational-platform-for-intracranial-aneurysm-morphology-hemodynamics-and-treatment-management
#15
Jianping Xiang, Nicole Varble, Jason M Davies, Ansaar T Rai, Kenichi Kono, Shin-Ichiro Sugiyama, Mandy J Binning, Rabih G Tawk, Hoon Choi, Andrew J Ringer, Kenneth V Snyder, Elad I Levy, L Nelson Hopkins, Adnan H Siddiqui, Hui Meng
BACKGROUND: Intracranial aneurysm (IA) management is challenging. Clinicians often rely on varied and intuitively disparate ways of evaluating rupture risk that may only partially take into account complex hemodynamic and morphologic factors. We developed a prototype of a clinically-oriented, streamlined, computational platform, AView, for rapid assessment of hemodynamics and morphometrics in clinical settings. To show the potential clinical utility of AView, we report our initial multicenter experience highlighting the possible advantages of morphologic and hemodynamic analysis of IAs...
September 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28919569/spontaneous-hemorrhagic-glioblastoma-revealed-by-arterial-spin-labeling
#16
Sarah Fadili, Bruno Law Ye, Nadya Pyatigorskaya
We report a case of a haemorrhagic tumor early detected by pseudo-continuous arterial spin labeling sequence (pCASL) in the case where conventional MRI sequences where not contributive.
September 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28919568/robotic-stereotactic-assistance-rosa-utilization-for-minimally-invasive-placement-of-intraparenchymal-hematoma-and-intraventricular-catheters-case-report
#17
Nima Alan, Phillip Lee, Alp Ozpinar, Bradley A Gross, Brian T Jankowitz
BACKGROUND: In patients with supratentorial spontaneous intracerebral hemorrhage, intrahematomal catheter placement may allow for intra-clot thrombolysis and drainage. Robotic assistance may be used for the stereotactic placement of catheters. CASE DESCRIPTION: A 76-year-old male presented with altered mental status and left-sided weakness. Non-contrast CT head showed a right ganglionic intraparenchymal hemorrhage with resultant entrapment of the temporal horn. Using Robotic Stereotactic Assistance (ROSA), an intrahematomal and an intraventricular catheter were placed...
September 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28919567/photoacoustic-imaging-for-maximizing-glioma-resection
#18
Barrett J Anderies, Mithun Sattur, Matthew E Welz, Lissette Urday, Kent R Richter, Erich Umbarger, Bernard R Bendok
No abstract text is available yet for this article.
September 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28919566/predicting-short-term-outcome-after-surgery-for-primary-spinal-tumors-based-on-patient-frailty
#19
A Karim Ahmed, C Rory Goodwin, Rafael De la Garza-Ramos, Rachel C Kim, Nancy Abu-Bonsrah, Risheng Xu, Daniel M Sciubba
OBJECTIVE: The concept of 'Frailty,' i.e. decreased physiologic reserve and increased vulnerability to stressors beyond what is expected for normal aging is associated with increased risk of morbidity and mortality. The objective of this study was to develop a preoperative frailty index (STFI) for patients undergoing surgery for primary spinal column tumors that predicts morbidity, mortality, and length of stay. METHODS: The Nationwide Inpatient Sample database from 2002 to 2011 was used to identify patients who underwent surgery for a primary spinal tumor...
September 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28919565/treatment-of-large-or-giant-cavernous-aneurysm-associated-with-a-persistent-trigeminal-artery-a-case-report-and-review-of-literature
#20
Tatsuya Ishikawa, Koji Yamaguchi, Hidenori Anami, Masatake Sumi, Tomomi Ishikawa, Takakazu Kawamata
BACKGROUND: Primitive trigeminal artery (PTA) is the most common anomaly of primitive carotid-basilar anastomosis and is associated with cerebrovascular anomalies, such as aneurysm. Large or giant cavernous aneurysm associated with PTA is rare, and the treatment strategies differ in comparison to large or giant aneurysm without PTA. In this article, we report an unusual case of a giant cavernous aneurysm associated with PTA and review treatment strategies for large or giant cavernous aneurysm associated with PTA...
September 14, 2017: World Neurosurgery
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