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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/30017594/designing-patient-specific-3d-printed-devices-for-posterior-atlantoaxial-transarticular-fixation-surgery
#1
Ganesha K Thayaparan, Mark G Owbridge, Robert G Thompson, Paul S D'Urso
Atlantoaxial transarticular screw fixation is an effective technique for arthrodesis. Surgical accuracy is critical due to the unique anatomy of the atlantoaxial region. Intraoperative aids such as computer-assisted navigation and drilling templates offer trajectory guidance but do not eliminate screw malposition. This study reports the operative and clinical performance of a novel process utilising biomodelling and 3D printing to develop patient specific solutions for posterior transarticular atlantoaxial fixation surgery...
July 13, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/30017593/moyamoya-vasculopathy-with-anti-scl-70-antibodies-a-case-report-and-review-of-the-literature
#2
Ayesha S Ahmad, Rizwan A Tahir, Panayiotis D Mitsias
Moyamoya disease and syndrome constitute two distinct pathological entities with a primary finding of progressive distal internal carotid artery occlusion, which results in either an ischemic or hemorrhagic sequela. While the disease entity stands as a primary arterial vasculopathy, moyamoya syndrome represents a secondary vasculopathy associated with a systemic inflammatory process. We describe a patient with an ischemic stroke and angiographic findings of moyamoya in the setting of positive antinuclear antibodies and anti-Scl-70 antibodies with clinical features of scleroderma on exam...
July 12, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/30007524/frameless-stereotactic-dual-lead-placement-through-single-burr-hole-a-technical-report
#3
Samuel C D Cartmell, Kai J Miller, Allen L Ho, Casey H Halpern
Deep Brain Stimulation (DBS) surgery is a neurosurgical procedure involving the placement of stimulatory leads in subcortical structures. Rarely, DBS requires placement of dual ipsilateral leads. Previously, techniques for placing dual ipsilateral leads through a single burr hole were reported using a traditional stereotactic frame. Here, we demonstrate that dual ipsilateral leads can be safely and effectively placed through a single burr hole using a frameless stereotactic DBS system (NexFrame®) with only simple modifications to existing equipment...
July 11, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/30007523/the-application-of-rnfl-thickness-detection-in-early-differential-diagnosis-among-various-types-of-idiopathic-optic-neuritis
#4
Xiang Zhang, Hai Yu, Yu Zhang, Xiao-Ni Liu, Xue Yu, Xiang-Jun Chen
In this study, we attempted to investigate the application of RNFL thickness detection in the early differential diagnosis among various types of idiopathic optic neuritis (ION). In comparison with 19 healthy controls (HC), retrospective analysis of quadrant RNFL thickness in 83 patients with ION was performed, including eighteen multiple sclerosis (MS), forty-five neuromyelitis optica spectrum disorder (NMOSD), twenty patients with other idiopathic optic neuritis (O-ION). Our results showed that mean and every quadrant RNFL thickness of MS, NMOSD and O-ION were thinner than those of HC (P < 0...
July 11, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/30007522/threshold-and-distribution-of-afterdischarges-with-electrical-cortical-stimulation
#5
Hime Suzuki, Rei Enatsu, Aya Kanno, Yuto Suzuki, Rintaro Yokoyama, Satoshi Ookawa, Satoko Ochi, Nobuhiro Mikuni
OBJECTIVE: The present study aimed to investigate the threshold and distribution of afterdischarges (ADs) with cortical electrical stimulation for functional brain mapping. METHOD: We retrospectively analyzed data from 11 patients with medically intractable epilepsy who underwent 50-Hz cortical electrical stimulation for functional mapping followed by resection. These patients became seizure free for more than six months. The threshold and distribution of ADs induced by the stimulation were evaluated...
July 11, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29983331/giant-cavernous-malformations-a-single-center-experience-and-literature-review
#6
Chengjun Wang, Meng Zhao, Jia Wang, Shuo Wang, Dong Zhang, Jizong Zhao
Intracranial giant cavernous malformations (GCMs) are rarely reported because of their extremely low incidence. Knowledge of GCM is poor. The goals of this study were to analyze the epidemiological characteristics, clinical manifestations, radiological findings, microsurgical treatment, and neurological outcomes of GCMs. From January of 2003 to December 2016, nine GCM patients who underwent neurosurgical treatment at Beijing Tiantan Hospital were chosen for analysis and their records were reviewed. We also performed an exhaustive literature search and identified all previously reported GCMs...
July 5, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29980476/metastatic-prostate-cancer-mimicking-a-subdural-hematoma-a-case-report-and-literature-review
#7
REVIEW
Andrew Nunno, Mahlon D Johnson, Guan Wu, Yan Michael Li
Occurrences of metastatic prostate cancer imitating a subdural hematoma are limited to a small number of case reports, even though prostate cancer spreads to the dura more than other types of cancer. Here, we present the case of a 64 year-old male whose prostate carcinoma's metastasis mimicked a subdural hematoma, and he suffered a middle cerebral artery stroke. Prostate cancer's high rate of progression to the dura is disproportionate to its relatively low rate of brain metastasis. Furthermore, we explore the potential molecular implications of prostate cancer's propensity to spread to the dura...
July 4, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29980475/impact-of-resident-participation-on-outcomes-following-lumbar-fusion-an-analysis-of-5655-patients-from-the-acs-nsqip-database
#8
Jonathan T Yamaguchi, Roxanna M Garcia, Michael B Cloney, Nader S Dahdaleh
The role of resident involvement on patient safety, morbidity, and mortality in lumbar spinal surgery has been poorly defined in the literature. The objective of this study is to investigate the relationship between resident involvement in the operating room and 30-day complication rates in patients undergoing lumbar spinal fusion procedures. We used the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database to retrospectively identify all patients who underwent a lumbar spinal fusion from 2006 to 2013...
July 3, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29980474/direct-head-injury-caused-by-a-tear-gas-cartridge-questions-on-safety-a-case-report-from-iraq-and-review-of-the-literature
#9
Haider T Alhillo, Mohamed M Arnaout, Hayder S Radhi, Mohamed A Al-Dhahir, Luis R Moscote-Salazar, Samer S Hoz
INTRODUCTION AND BACKGROUND: Primary injuries from tear gas weapons include injuries to the visual and respiratory systems and skin. However, few studies have reported direct mechanical brain injuries from tear gas weapons. CASE REPORT: A 27-year-old male presented to the emergency department of a neurosurgery teaching hospital in Baghdad, Iraq, with a penetrating head injury of unknown source. DISCUSSION: Tear gas weapons are considered safe, but tear gas exposure causes severe complications...
July 3, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29980473/novel-approach-to-the-treatment-of-a-cerebral-abscess-using-the-apollo-vibration-suction-device
#10
William L Dillen, Craig G van Horne, Justin F Fraser
BACKGROUND AND IMPORTANCE: Intracerebral abscess is a very serious condition associated with significant morbidity and mortality. This article describes a novel treatment for a cerebral abscess, using the Penumbra Apollo suction/vibration aspiration system (Penumbra, Almeda, CA, USA). This article represents the first reported case of the device's use for treatment of an intracerebral abscess. CLINICAL PRESENTATION: The patient discussed presented to the emergency department in critical condition, and was found to be suffering from a right thalamic cerebral abscess...
July 3, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29980472/genetic-diagnosis-of-cadasil-in-three-hong-kong-chinese-patients-a-novel-mutation-within-the-intracellular-domain-of-notch3
#11
Ling Yin Hung, Tsz Ki Ling, Nike Kwai Cheung Lau, Wing Lan Cheung, Yeow Kuan Chong, Bun Sheng, King Ming Kwok, Chloe Miu Mak
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is an adult onset hereditary stroke syndrome characterized by recurrent stroke and progressive cognitive impairment caused by NOTCH3 mutations. We report here the clinical and molecular findings of three unrelated Hong Kong Chinese families with CADASIL syndrome. Sanger sequencing of genomic DNA revealed a novel heterozygous variant NM_000435.2(NOTCH3):c.[5903_5904insATAA];[5903_5904=] NP_000426.2:p.(Asp1969∗ );(Asp1969=) and two previously reported heterozygous mutations NM_000435...
July 3, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29960842/outcome-of-newly-diagnosed-high-risk-medulloblastoma-treated-with-carboplatin-vincristine-cyclophosphamide-and-etoposide
#12
Nongnuch Sirachainan, Samart Pakakasama, Usanarat Anurathapan, Ake Hansasuta, Mantana Dhanachai, Chaiyos Khongkhatithum, Artit Jinawath, Pat Mahachoklertwattana, Suradej Hongeng
Medulloblastoma is the most common malignant brain tumor among children. Although molecular study has been included in the new classification, in developing countries with limited resources the previous Chang staging system is still used. Therefore, treatment with postoperative radiation and chemotherapy remains the standard treatment. One common complication after treatment is ototoxicity, mainly due to radiation and cisplatinum. We report a revised chemotherapy protocol, replacing cisplatinum with carboplatin in newly diagnosed medulloblastoma cases...
June 27, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29958758/the-use-of-dietary-supplements-and-perceived-quality-of-life-in-patients-with-parkinson-s-disease
#13
Yassar Alamri
Patients with chronic illnesses represent a segment of adults among whom intake of dietary supplements is particularly prevalent. Previous studies have shown that intake of different dietary supplements to improve perceived quality of life of patients with or without objective improvement in other physiological parameters. We recently conducted an open-label trial of blackcurrant anthocyanin supplementation in patients with PD. Participants were administered the PDQ-39 (a 39-item quality-of-life instrument) before and after blackcurrant supplementation...
June 26, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29958757/meningioma-in-the-elderly-characteristics-prognostic-factors-and-surgical-strategy
#14
Xiaochun Zhao, Dongxu Zhao, Yuxin Wu, Weizhen Gao, Hua Cui, Yong Wang, Peter Nakaji, Yinghui Bao
Meningioma is one of the most common intracranial tumors. It has the features of benign and slow growing. We focused on the meningioma in the elderly, retrospectively analyzed 528 valid meningioma patients, including 115 (21.8%) patients older than 65 years old. The elderly patients were shown to have significantly larger tumor diameter (mean [±SD] 43.4 ± 18.0 mm) comparing with the young group (mean [±SD] 37.6 ± 16.5 mm, p < 0.01). Post-operative KPS was significantly lower in the elderly group (mean [±SD] 79...
June 26, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29958756/reduction-of-ipsilateral-thalamic-volume-in-temporal-lobe-epilepsy-with-hippocampal-sclerosis
#15
Kang Min Park, Tae Hyung Kim, Chi Woong Mun, Kyong Jin Shin, Sam Yeol Ha, JinSe Park, Byung In Lee, Ho-Joon Lee, Sung Eun Kim
The thalamus plays an important role in the modulation of both focal and generalized seizures, but the mechanisms related to seizures may be different among epilepsy syndromes. The aim of this study is to investigate the thalamic atrophy in different epilepsy syndromes. We enrolled a total of 72 patients with epilepsy (22 patients with temporal lobe epilepsy with hippocampal sclerosis, 21 patients with extra-temporal lobe epilepsy, and 29 patients with juvenile myoclonic epilepsy). We analyzed structural volumes of the brain with FreeSurfer 5...
June 26, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29954647/quantitative-analysis-of-the-safety-and-efficacy-of-microvascular-decompression-for-patients-with-trigeminal-neuralgia-above-and-below-65-years-of-age
#16
REVIEW
Jonathan Wallach, Allen L Ho, Lily H Kim, Aadel A Chaudhuri, Navjot Chaudhary, Francisco Vaz-Guimaraes, Steven D Chang
For medically-refractory trigeminal neuralgia (TN), microvascular decompression (MVD) is the first-line treatment, and has demonstrated the greatest efficacy and durability. However, due to potential surgical complications, a bias may exist against performing MVD in elderly patients. We sought to determine through a quantitative analysis whether MVD in the elderly is a safe and effective procedure for TN. We completed a Pubmed/SCOPUS literature search up to 12/2016 for eligible studies on MVD for TN. Only research articles with age stratification of results were included...
June 25, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29937417/fine-margin-between-crossed-sensory-and-contralateral-sensory-loss-a-case-report
#17
Yee Hau Pang, Shih Hui Lim
The well-known sensory deficit in lateral medullary syndrome (LMS) involves crossed ipsilateral trigeminal area and contralateral spinothalamic tract area. A 45 year old man was admitted for sudden onset slurring of speech, unsteadiness and sensory complaints. The diagnosis was right lateral medullary syndrome due to right Vertebral Artery occlusion. In addition to typical lateral medullary syndromes, his sensory deficit involved contralateral half of the face, trunk and limbs. We report this atypical sensory presentation and discuss its neuroanatomical correlation...
June 21, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29934058/molecular-physiology-of-contrast-enhancement-in-glioblastomas-an-analysis-of-the-cancer-imaging-archive-tcia
#18
Jeffrey M Treiber, Tyler C Steed, Michael G Brandel, Kunal S Patel, Anders M Dale, Bob S Carter, Clark C Chen
The physiologic processes underlying MRI contrast enhancement in glioblastoma patients remain poorly understood. MRIs of 148 glioblastoma subjects from The Cancer Imaging Archive were segmented using Iterative Probabilistic Voxel Labeling (IPVL). Three aspects of contrast enhancement (CE) were parametrized: the mean intensity of all CE voxels (CEi ), the intensity heterogeneity in CE (CEh ), and volumetric ratio of CE to necrosis (CEr ). Associations between these parameters and patterns of gene expression were analyzed using DAVID functional enrichment analysis...
June 19, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29934057/memory-loss-and-memory-reorganization-patterns-in-temporal-lobe-epilepsy-patients-undergoing-anterior-temporal-lobe-resection-as-demonstrated-by-pre-versus-post-operative-functional-mri
#19
Chusak Limotai, Richard S McLachlan, Susan Hayman-Abello, Brent Hayman-Abello, Suzan Brown, Frank Bihari, Seyed M Mirsattari
This study was aimed to longitudinally assess memory function and whole-brain memory circuit reorganization in patients with temporal lobe epilepsy (TLE) by comparing activation potentials before versus after anterior temporal lobe (ATL) resection. Nineteen patients with medically-intractable TLE (10 left TLE, 9 right TLE) and 15 healthy controls were enrolled. Group analyses were conducted pre- and post-ATL of a novelty complex scene-encoding paradigm comparing areas of blood oxygen-level-dependent (BOLD) signal activations on functional magnetic resonance imaging (fMRI)...
June 19, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29921486/comparison-of-magnetic-resonance-spectroscopy-mrs-with-arterial-spin-labeling-asl-in-the-differentiation-between-mitochondrial-encephalomyopathy-lactic-acidosis-plus-stroke-like-episodes-melas-and-acute-ischemic-stroke-ais
#20
Xiaodi Li, Yuzhou Wang, Zhanhang Wang, Jianjun Lu, Yan Xu, Jinlong Ye, Zuying Kuang, Bo Li, Mengqiu Pan, Wenming Chen, Shuisheng Lu, Ziyang Zhou, Lina Cheng, Honghao Wang
To compare the utility and limitation of magnetic resonance spectroscopy (MRS) and arterial spin labeling (ASL) in the differentiation between mitochondrial encephalomyopathy, lactic acidosis, plus stroke-like episodes (MELAS) and acute ischemic stroke (AIS), a retrospective review of 17 MELAS and 26 AIS patients were performed. In all patients both MRS and ASL scans were performed within 1 week after admission. Demographic, clinical, laboratory and MR imaging data were reviewed and compared between the two groups...
June 16, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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