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

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https://www.readbyqxmd.com/read/28228324/extended-maxillotomy-for-skull-base-access-in-contemporary-management-of-chordomas-rationale-and-technical-aspect
#1
Muhammad Fahmi Abdul Jalil, Rowan D Story, Myron Rogers
Minimally invasive approaches to the central skull base have been popularized over the last decade and have to a large extent displaced 'open' procedures. However, traditional skull base surgery still has its role especially when dealing with a large clival chordoma where maximal surgical resection is the principal goal to maximize patient survival. In this paper, we present a case of a 25year-old male patient with chordoma in the inferior clivus which was initially debulked via a transnasal endoscopic approach...
February 19, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28228323/evaluation-of-the-role-of-susceptibility-weighted-imaging-in-thrombolytic-therapy-for-acute-ischemic-stroke
#2
Guangjian Zhao, Ling Sun, Ziran Wang, Liquan Wang, Zhongrong Cheng, Hongyan Lei, Daiqun Yang, Yansen Cui, Shirui Zhang
We inspected low-intensity venous signals and microbleeds in patients with acute ischemic stroke (AIS) using susceptibility-weighted imaging (SWI) before and after administration of within-thrombolytic-time-window thrombolytic therapies, and observed their prognosis and safety, in order to guide individualized thrombolytic therapies. Patients with AIS were divided into groups A or B according to the presence of symmetric or asymmetric veins on SWI, and were re-inspected by SWI after intravenous thrombolysis using recombinant tissue plasminogen activator (rt-PA)...
February 19, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28215462/lymph-node-metastasis-of-presacral-ependymoblastoma-in-a-young-child
#3
Malak Abedalthagafi, Sadeq W Aldandan, Mohamed Alrayis, Atif A Ahmed
Ependymoblastoma presenting outside the brain is rare in children. The overwhelming majority of presacral ependymal tumors are of the benign myxpapillary type. We present a case of ependymoblastoma in the presacral region of a four-year old child. The patient presented with a presacral mass and ipsilateral inguinal lymph node metastasis. Both masses revealed histologic and immunophenotypic features of ependymoblastoma associated with myxoid areas and high Ki-67 proliferation index. The masses were excised and the patient remained well for a year after diagnosis with no other therapy...
February 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28215461/the-use-of-ultrasound-for-postoperative-monitoring-of-cerebral-bypass-grafts-a-technical-report
#4
Ryan P Morton, Isaac Joshua Abecassis, Anne E Moore, Cory M Kelly, Michael R Levitt, Louis J Kim, Laligam N Sekhar
Duplex ultrasound and transcranial Doppler are valuable tools for post-operative monitoring of extracranial-intracranial cerebral bypass grafts. Here we describe our technique for the evaluation of both high-flow and low-flow cerebral bypass grafts over a nine year period. 186 bypass grafts were studied daily during the inpatient period between Jan 2005 and Dec 2014 after surgery for various cerebrovascular pathologies. There was a technical success rate of 97%. Duplex ultrasonographic flow measurements had excellent interobserver reliability with an intraclass correlation coefficient (ICC) of 0...
February 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28215460/early-experience-with-lateral-lumbar-total-disc-replacement-utility-complications-and-revision-strategies
#5
Gregory M Malham, Rhiannon M Parker
Lumbar total disc replacement (TDR) is an alternative to interbody fusion for the treatment of symptomatic degenerative disc disease. Traditionally, lumbar TDR is performed via an anterior retroperitoneal approach with regional risks of vascular and visceral injury. The direct lateral retroperitoneal, transpsoas approach avoids mobilisation of the great vessels and preserves the anterior longitudinal ligament, thereby maintaining physiological limits on motion. This study aimed to (i) report one site's early experience with lateral lumbar TDR and (ii) provide case examples illustrating the utility, complications and revision strategies of the XL-TDR device...
February 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28215459/leptomeningeal-metastases-presenting-exclusively-with-ocular-disturbance-in-34-patients-a-tertiary-care-cancer-hospital-experience
#6
Rory Richard Mayer, Benjamin Jay Frankfort, Ben A Strickland, James Matthew Debnam, Ian E McCutcheon, Morris D Groves, Jeffrey S Weinberg
Leptomeningeal disease (LMD) represents disseminated intracranial metastatic disease that requires early detection and initiation of therapy. Patients with LMD typically present with a variety of neurologic problems, including ocular disturbances. However, little is reported on LMD presenting exclusively with ocular-related disturbances in the absence of any other central nervous system (CNS) dysfunction. Our goal was to describe the workup for ocular disturbances in the setting of known cancer diagnosis. Retrospective case study utilizing prospectively collected database at a tertiary cancer care center for all patients with diagnosis of LMD between 2001 and 2009...
February 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28215458/airplane-stroke-syndrome-seven-more-flight-induced-cases
#7
LETTER
Amy Kunchok, G Michael Halmagyi
No abstract text is available yet for this article.
February 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28215457/synchronous-ipsilateral-cavernous-malformations-of-the-trochlear-nerve
#8
Christopher S Graffeo, William R Copeland, Perkins Mukunyadzi, Ali F Krisht
BACKGROUND: Cranial nerve cavernous malformations (CM) are rare benign congenital vascular anomalies, with approximately 44 preceding cases in the literature. We report the fifth case of trochlear CM, as well as the first instance of two discrete CM occurring simultaneously along the same cranial nerve. METHODS: Case report. RESULTS: A fifty-seven year-old man presented with several years of diplopia; physical examination identified a complete left trochlear nerve paralysis...
February 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28215428/glioblastoma-presenting-as-spontaneous-intracranial-haemorrhage-case-report-and-review-of-the-literature
#9
REVIEW
Danica M Joseph, Anthea H O'Neill, Ronil V Chandra, Leon T Lai
Glioblastoma (GB) classically presents with symptoms of raised intracranial pressure and gradual progressive neurological deficits. An acute presentation, with intracerebral haemorrhage (ICH) and rapid clinical deterioration, occurs infrequently. Contemporary imaging modalities do not reliably reflect underlying mass lesions in parenchymal brain haemorrhage at first presentation. We report a delayed diagnosis of GB in a 21-year-old patient presenting with spontaneous ICH and a negative initial neurovascular workup...
February 15, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28215427/method-of-hypertonic-saline-administration-effects-on-osmolality-in-traumatic-brain-injury-patients
#10
Kelly L Maguigan, Bradley M Dennis, Susan E Hamblin, Oscar D Guillamondegui
Hypertonic saline (HTS) is an effective therapy for reducing intracranial pressure (ICP). The ideal method of administration is unknown. The purpose of this study was to evaluate the method of HTS infusion and time to goal osmolality. A retrospective cohort analysis was conducted in severe TBI patients with ICP monitoring in place who received 2 doses of HTS. Patients were divided into bolus versus continuous infusion HTS cohorts. The primary outcome was median time to goal osmolality. Secondary outcomes included percentage of patients reaching goal osmolality, percent time at goal osmolality, mean cerebral perfusion pressure (CPP) and ICP, ICU length of stay, and mortality...
February 15, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28215426/the-impact-of-transsphenoidal-surgery-on-neurocognitive-function-a-systematic-review
#11
REVIEW
Adnan Alsumali, David J Cote, Quentin R Regestein, Erin Crocker, Abdulaziz Alzarea, Hasan A Zaidi, Wenya Linda Bi, Hassan Y Dawood, Marike L Broekman, Martine J E van Zandvoort, Rania A Mekary, Timothy R Smith
BACKGROUND: Cognitive impairment following transsphenoidal surgery (TSS) among patients with pituitary tumors has been intermittently reported and is not well established. We performed a systematic review to summarize the impact of TSS on cognitive function. METHODS: We conducted a systematic search of the literature using the PubMed, Cochrane, and Embase databases through October 2014. Studies were selected if they reported cognitive status after surgery and included at least 10 adult patients with pituitary tumors undergoing either endoscopic or microscopic TSS...
February 15, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28214089/reliability-of-noncontrast-enhancing-tumor-as-a-biomarker-of-idh1-mutation-status-in-glioblastoma
#12
Arian Lasocki, Alpha Tsui, Frank Gaillard, Mark Tacey, Katharine Drummond, Stephen Stuckey
Isocitrate dehydrogenase 1 (IDH1) mutations in gliomas have been associated with a frontal lobe location and a greater proportion of noncontrast-enhancing tumour (nCET). The purpose of our study was to validate the utility of MRI imaging features in predicting IDH1 mutations in glioblastomas. Pre-operative MRIs of new glioblastoma patients, consisting of at least FLAIR and T1-weighted post-contrast sequences, were reviewed by a neuroradiologist based primarily on the VASARI feature set. IDH1 mutation testing was performed on all patients using immunohistochemistry...
February 14, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28214088/a-case-of-seropositive-autoimmune-autonomic-ganglionopathy-with-diffuse-esophageal-spasm
#13
Nobutoshi Morimoto, Sakuma Takahashi, Tomoki Inaba, Motonori Takamiya, Yasuhiko Kageyama, Mizuki Morimoto, Yoshiaki Takahashi, Hirotake Nishimura, Shunya Nakane, Koji Abe
Autoimmune autonomic ganglionopathy (AAG) is an immune-mediated disorder that leads to various autonomic failures associated with anti-ganglionic acetylcholine receptor antibodies (anti-gAChR-Abs). Diffuse esophageal spasm (DES) is an uncommon esophageal motility disorder. We herein report the case of a 68-year-old woman with DES as a partial symptom of AAG. She presented with chronic esophageal transit failure, constipation, and numbness of the hands and feet, Adie's pupil, thermal hypoalgesia, and decreased deep tendon reflexes...
February 14, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28209460/pharmacologic-cardioversion-with-intravenous-amiodarone-is-likely-safe-in-neurocritically-ill-patients
#14
Michael Su, David Seki, Asma M Moheet
Neurological injury is often associated with cardiac abnormalities, including electrophysiological issues. Cardioversion of acute atrial fibrillation (<48h' duration) without anticoagulation carries about a 0.7% risk of thromboembolism. There is limited data on managing acute atrial fibrillation specifically in the neuroscience intensive care unit (NSICU) setting. We sought to determine the safety of using intravenous (IV) amiodarone for restoring sinus rhythm in patients with presumed new onset atrial or ventricular tachycardia after neurological injury...
February 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28209459/progressive-subcortical-calcifications-secondary-to-venous-hypertension-in-an-intracranial-dural-arteriovenous-fistula
#15
Heather M Pascoe, Elaine H Lui, Peter Mitchell, Frank Gaillard
Intracranial dural arteriovenous fistulas (dAVF) are acquired lesions, with the most commonly reported findings on CT haemorrhage or focal oedema. We describe a case of progressive subcortical calcification on CT secondary to venous hypertension from a high grade dAVF.
February 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28202381/sphenoid-sinus-carcinoid-tumour-causing-ectopic-acth-syndrome
#16
Sanjaya Perera, Ahmad Taha
A thirty-eight year old patient presented with a gradual increase in weight and Cushingoid facies of two years duration. He also had orbital congestion, with puffy eyelids and corkscrew conjunctival vessels, associated with painful eye movements. An endocrine evaluation revealed raised cortisol and ACTH. Head imaging was performed which showed an enhancing tumour arising from the sphenoid sinus, with osseous erosion of the sphenoid sinus, extending to the nasopharynx, sellar and a small amount extending intracranially...
February 12, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28202380/impact-of-surgical-site-infection-and-surgical-debridement-on-lumbar-arthrodesis-a-single-institution-analysis-of-incidence-and-risk-factors
#17
Timothy Y Wang, Adam G Back, Eliza Hompe, Kevin Wall, Oren N Gottfried
This study identifies the rate of pseudarthrosis following surgical debridement for deep lumbar spine surgical site infection and identify associated risk factors. Patients who underwent index lumbar fusion surgery from 2013 to 2014 were included if they met the following criteria: 1) age >18years, 2) had debridement of deep lumbar SSI, and had 3) lumbar spine AP, lateral and flexion/extension X-rays and computed tomography (CT) at 12months or greater postoperatively. Criteria for fusion included 1) solid posterolateral, facet, or disk space bridging bone, 2) no translational or angular motion on flexion/extension X-rays, and 3) intact posterior hardware without evidence of screw lucency or breakage...
February 12, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28202379/comprehensive-preoperative-work-up-and-surgical-treatment-of-low-grade-tumor-benign-lesion-related-temporal-lobe-epilepsy
#18
Rui Feng, Jie Hu, Jinsong Wu, Liqin Lang, Chengxin Ma, Shize Jiang, Bing Sun, Xin Gu, Li Pan
OBJECTIVE: Generally low-grade tumor/benign lesion related temporal lobe epilepsy (LGT/BL-TLE) is considered easier to treat and has better prognosis when compared to non-lesional TLE. However, multiple disputes exist in surgical management of this epilepsy entity. This study aims to discuss comprehensive preoperative work-up, surgical strategies and outcome of it. METHODS: A retrospective review of sixty LGT/BL-TLE cases which underwent comprehensive preoperative work-up and then resective surgeries was conducted...
February 12, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28209315/impact-of-apoe-genotypes-variations-on-toxoplasma-patients-with-dementia
#19
Raida S Yahya, Soha I Awad, Hatim A El-Baz, Niveen Saudy, Osama A Abdelsalam, Mohamed S Shehab Al-Din
BACKGROUND: Toxoplasma deprives host neuron cells from cholesterol and leads to its ability to potentiate dementia. ApoE intermediates neuronal transmission of cholesterol, which is a key constituent for axonal development, redesigning occasions that are important for education and synaptic arrangement, development of memory and repair of neuron. The aim of this work is to investigate the effect of ApoE genotypes on dementia associated with neurodegeneration in latent Toxoplasma gondii in elderly population...
February 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28209314/connection-between-bilateral-temporal-regions-tractography-using-human-connectome-data-and-diffusion-spectrum-imaging
#20
Peng-Hu Wei, Zhi-Qi Mao, Fei Cong, Bo Wang, Zhi-Pei Ling, Shu-Li Liang, Xin-Guang Yu
Temporal lobe epilepsy often propagates inter-hemispherically. Although the pathway of the propagation was verified by electrophysiology, the trajectory remains poorly defined. DTI can depict fiber trajectory but it has limited angular resolution and cannot adequately assess cortical regions. We visualized potential pathways of bitemporal epilepsy propagation using diffusion spectrum imaging (DSI) with data consisting of 8 groups of 514 directions and diffusion templates of 842 subjects from the human connectome project (HCP)...
February 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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