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Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia

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https://read.qxmd.com/read/30745129/medical-and-endovascular-treatments-of-symptomatic-intracranial-stenosis-a-bayesian-network-meta-analysis
#1
S Vidale, E Agostoni, G Grampa, A Consoli, D Consoli
Intracranial stenosis is a well-established stroke risk factor with an increase of stroke recurrence or TIA up to 12.6% at 1 year. Treatments are different: medical and endovascular. We performed a multiple treatment comparison analysis to detect the best treatment in reducing the risk of stroke recurrence. We searched in Medline, Embase, Cochrane Central Register of Controlled Trials databases between 1979 and October 2017. Inclusion criteria were prospective randomized trials that evaluated patients with TIA or stroke due to intracranial stenosis and treated with different medical therapies and/or endovascular procedures...
February 8, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30738739/occipital-artery-to-upper-posterior-circulation-bypass-through-the-presigmoid-approach-in-revascularization-of-the-posterior-circulation-an-anatomical-study
#2
Kefang Dai, Zhijun Song, Yikuan Gao, Jun Zheng, Zhenlin Liu
We describe a novel extracranial (EC)-to-intracranial (IC) bypass technique between the occipital artery and upper posterior circulation (UPC) for revascularization of the posterior circulation through the presigmoid approach. Five formalin-fixed human heads were examined to demonstrate the detailed anatomy of the occipital artery and UPC and illustrate the step-by-step bypass procedure. The occipital artery, a branch of the external carotid artery, can be anastomosed to the P2/P3 segment of the posterior cerebral artery and S1/S2 segments of the superior cerebellar artery as an alternative to EC bypass donor segments for treatment of affection requiring revascularization...
February 7, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30738738/subtraction-of-arterial-spin-labeling-magnetic-resonance-perfusion-images-acquired-at-dual-post-labeling-delay-potential-for-evaluating-cerebral-hyperperfusion-syndrome-following-carotid-endarterectomy
#3
Sei Haga, Takato Morioka, Katsuharu Kameda, Kenta Takahara, Toshiyuki Amano, Saori Tomohara, Hayato Takaki, Yuichiro Tsurusaki, Shoji Arihiro
Arterial spin-labeling magnetic resonance perfusion imaging is a promising tool for the diagnosis of cerebral hyperperfusion syndrome after carotid endarterectomy. However, arterial spin-labeling with a single post-labeling delay has been reported to show a higher incidence of increased arterial spin-labeling signals in the bilateral hemisphere, probably due to a shortening of the arterial transit time or an arterial transit artifact caused by intravascular stagnant magnetically-labeled spin. To overcome these shortcomings, we used two post-labeling delay settings (1...
February 6, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30737093/a-novel-rescue-therapy-for-cerebral-vasospasm-cisternal-nimodipine-application-via-stereotactic-catheter-ventriculocisternostomy
#4
Roland Roelz, Christian Scheiwe, Volker A Coenen, Peter C Reinacher
Delayed Cerebral Infarction (DCI) due to Cerebral Vasospasm (CVS) is an important contributor to poor outcome after aneurysmal subarachnoid haemorrhage (aSAH). Despite established risk factors CVS and DCI are unpredictable at the individual patient level. Efficient treatments are lacking. We report a novel rescue therapy for DCI: Access to the basal cisterns by stereotactic catheter ventriculocisternostomy (STX-VCS) and direct cisternal application of the spasmolytic agent Nimodipine. On the basis of individual treatment decisions three aSAH patients who developed CVS underwent STX-VCS...
February 5, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30737092/optimization-and-evaluation-of-an-in-vitro-model-of-peg-mediated-fusion-of-nerve-cell-bodies
#5
Elizabeth Messineo, Alonda Pollins, Wesley Thayer
Polyethylene glycol (PEG) is a cell membrane fusogen (de StGroth et al., 1980; Hoehn et al., 1978 [2]; Pontecorvo et al., 1975 [3]). In clinical application PEG allows some axonal fusion in peripheral nerve repairs, resulting in retention of some mobility and sensation during the regeneration process and reducing muscular atrophy. Several manuscripts exist concerning in vivo models of PEG fusion, while there is a distinct lack of in vitro studies. This study optimizes an experimental in vitro PEG fusion procedure in B35 rat neuroblastoma cells, through alteration of PEG and dimethyl sulfoxide (DMSO) concentrations and utilizes flow cytometry for assessment...
February 5, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30737091/transpedicular-lag-screw-placement-in-traumatic-cervical-spondylolisthesis-case-report-and-systematic-review-of-the-literature
#6
REVIEW
Joshua Bakhsheshian, Saman Sizdahkhani, Ifije Ohiorhenuan, Ian A Buchanan, Ben Strickland, Martin H Pham
Traumatic spondylolisthesis of C2-C3 is an unstable fracture. Posterior fixation techniques can be employed with intraoperative navigation, however this tool is not available to all spine surgeons. Furthermore, the evidence for posterior surgical stabilization of C2, while adhering to motion preservation principles is currently unknown. The authors describe a patient who had fractures of the pedicle and vertebral body of C2 and C3, which was successfully stabilized with freehand placement of C2 pedicle lag screws and subsequent C2-C5 fixation...
February 5, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30737090/platelet-to-neutrophil-ratio-is-a-prognostic-marker-for-90-days-outcome-in-acute-ischemic-stroke
#7
PingPing Jin, XianMei Li, Jie Chen, ZengRui Zhang, WangWang Hu, LuYun Chen, XiaoWen Feng, Bei Shao
To investigate the prognostic value of platelet-to-neutrophil ratio (PNR) in acute ischemic stroke (AIS) patients. In this study, a total of 400 AIS patients were included. Demographic, clinical, laboratory data were collected on admission, and PNR was calculated according to platelet and neutrophil counts on admission. The prognosis after 3 months was evaluated by the Barthel index (BI), where BI ≤85 was defined as poor prognosis and BI >85 was defined as good prognosis. Regression analyses were performed, adjusting for confounders...
February 5, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30737089/outcome-and-prognostic-factors-for-atypical-meningiomas-after-first-recurrence
#8
Guobin Zhang, Yunsheng Zhang, Guijun Zhang, Da Li, Zhen Wu, Yonggang Wang, Junting Zhang
Atypical meningioma (AM) tends to be tumor with high rates of recurrence and mortality. In this retrospective study, 131 recurrent AM patients underwent AM surgery in Beijing Tiantan Hospital between January 2008 and December 2015. Of the 131 cases collected, 61 were male (46.6%), and 70 (53.4%) were female. 53 (40.5%) patients chose observation instead of therapy, 53 (40.5%) received repeat surgery and 25 patients (19.0%) received gamma knife surgery (GKS). The median overall survival (OS) was 34.6 months and actuarial OS of patients at 1, 3 and 5 years were 88...
February 5, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30732990/reply-to-moyamoya-vasculopathy-with-anti-scl-70-antibodies-a-case-report-and-review-of-the-literature
#9
LETTER
Franz Wegner, Ulf Müller-Ladner, Florian Mp Meier
No abstract text is available yet for this article.
February 4, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30732989/the-clinical-characteristics-and-cognitive-features-of-mild-cognitive-impairment-in-parkinson-s-disease-and-the-analysis-of-relevant-factors
#10
Kun Nie, Yuyuan Gao, Mingjin Mei, Manli Guo, Zhiheng Huang, Limin Wang, Jiehao Zhao, Yuhu Zhang, Lijuan Wang
The purpose of this work is to investigate the clinical characteristics, cognitive impairment features, and subgroup types of Parkinson's disease (PD) subjects with mild cognitive impairment (PD-MCI) in the Chinese population and to analyze relevant risk factors for PD-MCI. A total of 234 non-dementia PD subjects were collected. Standardized neuropsychological assessments of overall cognitive level and four cognitive domains (memory, executive function, attention and visuospatial function) were performed using MDS Task Force diagnostic criteria for PD-MCI...
February 4, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30732988/posterior-cervical-fusion-utilizing-cages-placed-bilaterally-in-the-facets-for-the-treatment-of-the-upper-cervical-adjacent-segment-disease-in-the-elderly
#11
Leo Cheng, Bruce McCormack, Edward Fletcher Eyster
This is a retrospective review of 24 elderly patients with upper cervical adjacent segment disease (ASD) after anterior cervical discectomy and fusion (ACDF), treated with posterior cervical fusion (PCF) and stabilized with cages placed bilaterally in the facets. Eight out of 24 patients had PCF with laminectomy (PCLF). Length of stay for PCF alone cohort was 30 ± 11 h, operative time was 44 ± 11 min and estimated blood loss was 46 ± 26 cc. In the PCLF cohort, hospital length of stay was 73 ± 32 h, operative time was 92 ± 18 min, and blood loss was 155 ± 58 cc...
February 4, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30732987/basilar-artery-perforator-aneurysms-report-of-9-cases-and-review-of-the-literature
#12
P Bhogal, M AlMatter, V Hellstern, M Aguilar Pérez, J Lehmberg, O Ganslandt, H Bäzner, H Henkes
Basilar perforator artery aneurysms (BAPA's) are an under-recognised cause of sub-arachnoid haemorrhage (SAH). We present our single centre experience of BAPA's and review of the literature. We performed a retrospective review of our prospectively maintained database to identify all BAPA's that presented acute SAH between February 2009 and February 2018. We identified 9 patients (male = 7), each with a single aneurysm, and average age 55 ± 9.7 years. All aneurysms were small, 2.1 ± 0.5 mm (range 1-3 mm)...
February 4, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30732986/neuromodulation-of-autism-spectrum-disorders-using-vagal-nerve-stimulation
#13
REVIEW
Alje van Hoorn, Thomas Carpenter, Katy Oak, Richard Laugharne, Howard Ring, Rohit Shankar
Influential theories propose an important role for the autonomic nervous system in social behaviour and emotion regulation. Difficulties with these capabilities occur in autism spectrum disorders (ASD). Vagus nerve stimulation (VNS) is a neuromodulation technique that stimulates autonomic pathways by means of an electrode implanted around the left vagus nerve in the neck. It is a licenced treatment for epilepsy and depression. This study searches the literature for evidence of VNS effects on behaviour in ASD...
February 4, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30732985/resection-of-a-cerebellar-hemangioblastoma-via-a-minimally-invasive-tubular-approach
#14
Marie T Krüger, Jan-Helge Klingler
Hemangioblastomas are rare benign, highly vascularized tumors occurring in the cerebellum and the spinal cord. They often develop tumor-associated cysts multiple times the size of the solid part of the tumor. Patients with von Hippel-Lindau (VHL) disease typically exhibit multiple tumors with the need of repeated surgeries during their lifetime. As multiple surgeries involve an increased risk of access-related morbidity, a minimally invasive approach can be favorable for specific types of tumors in the posterior fossa...
February 4, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30732984/pseudoaneurysm-presenting-around-polytetrafluoroethylene-fiber-following-microvascular-decompression-a-case-report-and-literature-review
#15
Tomoaki Tamada, Takeshi Mikami, Syoichi Komura, Hime Suzuki, Ryo Ukai, Shintaro Sugita, Tadashi Hasegawa, Nobuhiro Mikuni
We report the first case of pseudoaneurysm associated with polytetrafluoroethylene fiber used in microvascular decompression (MVD). A 62-year-old female who had undergone MVD for hemifacial spasm 30 years ago presented with a 4-month history of progressive facial palsy. Computed tomography angiography revealed a large thrombosed aneurysm originating from the right posterior inferior cerebellar artery and having a mass effect upon the pons. The aneurysm was treated by trapping and bypass procedure. Intraoperatively, the pseudoaneurysm adhered to the dura mater, and the thrombus contained a large amount of polytetrafluoroethylene fiber...
February 4, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30732983/asymptomatic-moderate-carotid-artery-stenosis-with-intraplaque-hemorrhage-progression-of-degree-of-stenosis-and-new-ischemic-stroke
#16
Kiyofumi Yamada, Shinichi Yoshimura, Manabu Shirakawa, Kazutaka Uchida, Shigehiro Nakahara, Shuji Nishida, Yasuhiro Iwamoto, Yoshikazu Sato, Masanori Kawasaki
Carotid intraplaque hemorrhage (IPH) plays a critical role in the progression of carotid atherosclerotic disease. IPH was associated with high intensity signal (HIS) in the plaque on Maximum intensity projection (MIP) images from routine three dimensional magnetic resonance imaging (3D-TOF MRA). The aim of this study was to evaluate the relationships among HIS, new ipsilateral ischemic stroke and a progression rate in carotid plaques with moderate stenosis. We included 45 carotid plaques with moderate stenosis (50%-69%) in 45 patients who could be followed more than 12 months...
February 4, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30723034/peripheral-bdnf-trkb-protein-expression-is-decreased-in-parkinson-s-disease-but-not-in-essential-tremor
#17
Yixian Huang, Caili Huang, Wenwei Yun
BDNF-to-TrkB signaling pathways plays an important role in the long-term maintenance of the nigrostriatal system and that its deficiency may contribute to the onset and progression of Parkinson's disease (PD). To our knowledge this is the first study to investigate the expression of the brain-derived neurotrophic factor (BDNF) and phosphorylation status of TrkB in peripheral blood lymphocytes of 28 PD and 28 Essential tremor (ET) patients and 28 healthy controls using western blot analysis. Compared with controls, no significant difference of BDNF and total and phosphorylated TrkB levels were observed in ET, whereas BDNF and phosphorylated TrkB levels were significantly decreased in the PD groups (p < 0...
February 2, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30718131/surgical-technique-for-the-protection-of-the-cervical-sympathetic-trunk-in-anterolateral-oblique-corpectomy-a-new-cadaveric-demonstration
#18
Naci Balak, Oguz Baran, Emine Seyma Denli Yalvac, Aysegul Esen Aydin, Necmettin Tanriover
The cervical oblique corpectomy (OC) approach has the advantages of no grafting or instrumentation necessities and theoretically maintains natural neck motions. However, the risk of cervical sympathetic trunk (CST) injury and Horner's syndrome is one of the main difficulties of this demanding surgical approach. The upper necks of 3 adult human cadavers (6 sides) were dissected under a Zeiss surgical microscope. OC was performed in a stepwise manner to simulate the surgical procedure. We specifically studied the technique of the protection of the CST during the cervical OC approach...
February 1, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30712778/the-different-clinical-value-of-susceptibility-vessel-sign-in-acute-ischemic-stroke-patients-under-different-interventional-therapy-a-systematic-review-and-meta-analysis
#19
Mingsu Liu, Lin Li, Guangqin Li
Acute ischemic stroke (AIS) subtype, one of the most important factors for selecting therapeutic strategies, is difficult to be accurately diagnosed at admission sometimes. The magnetic susceptibility effect of deoxygenated hemoglobin in red thrombi appeared as hypointense signals in magnetic resonance imaging (MRI) scans. The prognostic value of susceptibility vessel sign (SVS) for stroke subtype, recanalization and outcomes in AIS patients will be comprehensively determined in the present study. A comprehensive search of databases was conducted including the PubMed, Embase, and Cochrane Library from inception up to August 2017...
January 31, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://read.qxmd.com/read/30712777/determining-a-cut-off-residual-tumor-volume-threshold-for-patients-with-newly-diagnosed-glioblastoma-treated-with-temozolomide-chemoradiotherapy-a-multicenter-cohort-study
#20
Peter Y M Woo, Jason M K Ho, Teresa P K Tse, Sandy W Lam, Calvin H K Mak, Danny T M Chan, Michael W Y Lee, Sui-To Wong, Kwong-Yau Chan, Wai-Sang Poon
Standard-of-care treatment of glioblastomas involves maximal safe resection and adjuvant temozolomide chemo-radiotherapy. Although extent of resection (EOR) is a well-known surgical predictor for overall survival most lesions cannot be completely resected. We hypothesize that in the event of incomplete resection, residual tumor volume (RTV) may be a more significant predictor than EOR. This was a multicenter retrospective review of 147 adult glioblastoma patients (mean age 53 years) that underwent standard treatment...
January 31, 2019: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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