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David W Crumpacker
Pseudobulbar affect (PBA) is a socially debilitating condition that primarily affects people with neurologic diseases, such as Alzheimer's disease or multiple sclerosis. This condition is characterized by uncontrolled, exaggerated expressions of laughing or crying-often when the situation does not warrant this behavior. Although the true prevalence of PBA is surprisingly high, this condition remains widely misdiagnosed and underdiagnosed. While its exact etiology is unknown, PBA likely results from disruptions in the brain structures and/or neurotransmitters that regulate emotions...
September 2016: Journal of Clinical Psychiatry
Wei Gao, Vincent Crosby, Andrew Wilcock, Rachael Burman, Eli Silber, Nilay Hepgul, K Ray Chaudhuri, Irene J Higginson
BACKGROUND: There is no standard palliative care outcome measure for people with progressive long term neurological conditions (LTNC). This study aims to determine the psychometric properties of a new 8-item palliative care outcome scale of symptom burden (IPOS Neuro-S8) in this population. DATA AND METHODS: Data were merged from a Phase II palliative care intervention study in multiple sclerosis (MS) and a longitudinal observational study in idiopathic Parkinson's disease (IPD), multiple system atrophy (MSA) and progressive supranuclear palsy (PSP)...
2016: PloS One
Sandeep Kandregula, Amey R Savardekar, B N Nandeesh, A Arivazhagan, Malla Bhaskar Rao
Giant hypothalamic hamartomas (GHH) are extremely rare lesions in infants and usually intrinsically epileptogenic. We present the case of a 10-month-old girl child presenting with drug-resistant seizures and a giant hypothalamic lesion that was confirmed as hamartoma on histopathology. Surgical decompression and disconnection from the hypothalamus was performed with the intent of controlling her seizures. Unfortunately, the patient developed right middle cerebral artery and posterior cerebral artery territory infarction, possibly due to vasospasm or thrombosis of the vessels...
October 26, 2016: Pediatric Neurosurgery
Alexander C Schwed, Monica M Boggs, Drew Watanabe, David S Plurad, Brant A Putnam, Dennis Y Kim
Consensus is lacking for ideal management of mild traumatic brain injury (mTBI) with intracranial hemorrhage (ICH). Patients are often monitored in the intensive care unit (ICU) without additional interventions. We sought to identify admission variables associated with a favorable outcome (ICU admission for 24 hours, no neurosurgical interventions, no complications or mortality) to divert these patients to a non-ICU setting in the future. We reviewed all patients with mTBI [Glasgow Coma Scale (GCS) = 13-15] and concomitant ICH between July 1, 2012, and June 30, 2015...
October 2016: American Surgeon
Monica Chahal-Kummen, Trond-Eirik Strand, Jan Ove Owe, Eigil Gulliksen, Anthony S Wagstaff
BACKGROUND: A candidate with paraplegia contacted the Institute of Aviation Medicine, Oslo, requesting a medical examination and medical certification for flying back seat on an F-16 Fighting Falcon. Thorough aeromedical examinations, including specialist evaluations, were initiated for the final decision to be made. CASE REPORT: Almost 13 yr earlier the candidate had acquired spinal cord damage at neurological level L1 after falling 4 m (13 ft) from out of a window...
2016: Aerospace Medicine and Human Performance
Alex I Wiesman, Elizabeth Heinrichs-Graham, Nathan M Coolidge, James E Gehringer, Max J Kurz, Tony W Wilson
Sensory gating (SG) is a phenomenon in which neuronal responses to subsequent similar stimuli are weaker, and is thought to be an important mechanism for preventing excessive environmental stimulation from overloading shared neural resources. Although gating has been demonstrated in multiple sensory systems, the neural dynamics and developmental trajectory underlying SG remain poorly understood. Herein, we adopt a data-driven approach to map the spectro-temporal amplitude and functional connectivity (FC) dynamics that support gating in the somatosensory system (somato-SG) in healthy children and adolescents using magnetoencephalography (MEG)...
October 25, 2016: Journal of Physiology
Haixia Hu, Xiaoqin Zhu, Ruhui Lin, Zuanfang Li, Lidian Chen
The present study aimed to investigate the inhibitory effects, and underlying mechanisms, of Gua Lou Gui Zhi decoction (GLGZD) in a rat model of neuroinflammation. Sprague-Dawley rats were treated with GLGZD following middle cerebral artery occlusion (MCAO). Neurological function and infarct volume were evaluated to confirm successful generation of the rat model. Subsequently, brain tissues and blood samples were collected for further analysis. Nitric oxide (NO) and prostaglandin E2 (PGE2) were evaluated in peripheral blood samples using the Griess reagent assay and an ELISA, respectively...
October 21, 2016: Molecular Medicine Reports
Ho Yong Choi, Seung-Jae Hyun, Ki-Jeong Kim, Tae-Ahn Jahng, Hyun-Jib Kim
STUDY DESIGN: Retrospective case series. OBJECTIVE: To evaluate and compare the surgical, radiographic, and clinical outcomes of pedicle subtraction osteotomy (PSO) according to surgeon's experience. SUMMARY OF BACKGROUND DATA: Although PSO has been widely used to correct spinal deformities, it still remains technically demanding procedure with high complications. METHODS: Comparative analysis of 40 consecutive patients treated with lumbar PSOs was performed...
October 24, 2016: Spine
Jung Ii Lee, Duk Hee Lee
No abstract text is available yet for this article.
October 2016: Singapore Medical Journal
Bo Jin, Yi-Bing Su, Ji-Zong Zhao
BACKGROUND: Although pedicle screw placement (PSP) is a well-established technique for spine surgery, the treatment of patients with primary invasive spinal tumor (PIST) has high surgical risks secondary to destroyed pedicles. Intraoperative three-dimensional fluoroscopy-based navigation (ITFN) system permits safe and accurate instrumentation of the spine with the advantage of obtaining intraoperative real-time three-dimensional images and automatic registration. The aim of this study is to evaluate the feasibility and accuracy of PSP using ITFN system for patients afflicted with PIST in the thoracic spine...
2016: Chinese Medical Journal
Aodhán Hickey, Eleanor Gunn, Lisa Alcock, Silvia Del Din, Alan Godfrey, Lynn Rochester, Brook Galna
Biomarkers are required to track disease progression and measure the effectiveness of interventions for people with spinocerebellar ataxia type-6 (SCA6). Gait is a potential biomarker that is sensitive to SCA6 which can be measured using wearable technology, reducing the need for expensive specialist facilities. However, algorithms used to calculate gait using data from wearables have not been validated in SCA6. This study sought to examine the validity of a single wearable for deriving 14 spatio-temporal gait characteristics in SCA6 and control cohorts...
October 25, 2016: Physiological Measurement
Qian Zhang, Junsong Wang, Chao Zhang, Shanting Liao, Pei Li, Dingqiao Xu, Yan Lv, Minghua Yang, Lingyi Kong
Huang-Lian-Jie-Du-Decoction (HLJDD, Oren-gedoku-to in Japanese) is commonly used in traditional Chinese medicine (TCM) to treat ischemic stroke. This study investigated the efficacy of various combinations of the major components of HLJDD, berberine (A), baicalin (B), and jasminoidin (C), on the treatment of ischemic stroke modeled by middle cerebral artery occlusion (MCAO) in rats. The effects of A, B and C individually and their combinations were investigated using proton nuclear magnetic resonance (1H NMR)-based metabolomics complemented with neurologic deficit scoring, infarct volume measurement, biochemistry, histopathology and immunohistochemistry, as well as quantitative real-time polymerase chain reaction (qRT-PCR) and western blotting...
October 13, 2016: Oncotarget
Lutz Menzel, Lisa Kleber, Carina Friedrich, Regina Hummel, Larissa Dangel, Jennifer Winter, Katja Schmitz, Irmgard Tegeder, Michael K E Schäfer
In response to traumatic brain injury (TBI) microglia/macrophages and astrocytes release inflammatory mediators with dual effects on secondary brain damage progression. The neurotrophic and anti-inflammatory glycoprotein progranulin (PGRN) attenuates neuronal damage and microglia/macrophage activation in brain injury but mechanisms are still elusive. Here, we studied histopathology, neurology and gene expression of inflammatory markers in PGRN-deficient mice (Grn(-/-) ) 24 h and 5 days after experimental TBI...
October 25, 2016: Glia
Ethan A Winkler, Harjus Birk, Michael Safaee, John K Yue, John F Burke, Jennifer A Viner, Melike Pekmezci, Arie Perry, Manish K Aghi, Mitchel S Berger, Michael W McDermott
Ependymomas are rare neuroepithelial tumors which may arise anywhere along the ventricular system. Tumors arising in the fourth ventricle present unique challenges. Complete tumor resection favors prolonged survival, but may result in inadvertent injury of surrounding neural structures-such as cranial nerve (CN) nuclei. Here, our institutional experience with surgical resection of fourth ventricular ependymomas is described. A single institution, retrospective analysis of consecutive case series of adult surgically resected fourth ventricular ependymomas with the bilateral telovelar approach...
October 24, 2016: Journal of Neuro-oncology
David James Davies, Michael Clancy, Daniel Lighter, George M Balanos, Samuel John Edwin Lucas, Hamid Dehghani, Zhangjie Su, Mario Forcione, Antonio Belli
The Near-infrared spectroscopy (NIRS) has not been adopted as a mainstream monitoring modality in acute neurosurgical care due to concerns about its reliability and consistency. However, improvements in NIRS parameter recovery techniques are now available that may improve the quantitative accuracy of NIRS for this clinical context. Therefore, the aim of this study was to compare the abilities of a continuous-wave (CW) NIRS device with a similarly clinically viable NIRS device utilising a frequency-domain (FD) parameter recovery technique in detecting changes in cerebral tissue saturation during stepwise increases of experimentally induced hypoxia...
October 24, 2016: Journal of Clinical Monitoring and Computing
Fary Khan, Bhasker Amatya, Mary P Galea, Roman Gonzenbach, Jürg Kesselring
The prevalence of disability due to neurological conditions is escalating worldwide. Neurological disorders have significant disability-burden with long-term functional and psychosocial issues, requiring specialized rehabilitation services for comprehensive management, especially treatments tapping into brain recovery 'neuroplastic' processes. Neurorehabilitation is interdisciplinary and cross-sectorial, requiring coordinated effort of diverse sectors, professions, patients and community to manage complex condition-related disability...
October 24, 2016: Journal of Neurology
Miriam Friedemann
In November 2012, 23 cases of ciguatera with typical combinations of gastrointestinal and neurological symptoms occurred in Germany after consumption of imported tropical fish (Lutjanus spp.). A questionnaire was used to gather information on the disease course and fish consumption. All patients suffered from pathognomonic cold allodynia. Aside from two severe courses of illness, all other cases showed symptoms of moderate intensity. During a three-year follow-up, seven patients reported prolonged paresthesia for more than one year...
October 24, 2016: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
Farahnaz Golriz, Lane F Donnelly, Sridevi Devaraj, Raj Krishnamurthy
BACKGROUND: Until recently scurvy has been viewed in developed countries as a disease of the past. More recently there have been reports of case series of children with scurvy who have had a delayed diagnosis after an extensive diagnostic workup that included imaging. Most of these children have had underlying neurologic conditions such as autism. OBJECTIVE: To review the medical records of children diagnosed with vitamin C (ascorbic acid) deficiency based on serum ascorbic acid levels at a large pediatric health care system, to determine imaging findings and utility of imaging in management, and to identify at-risk pediatric populations...
October 24, 2016: Pediatric Radiology
Qian Jiao, Xi-Xun DU, Jun-Xia Xie, Hong Jiang
Neural stem cells (NSCs) offer great promise for the treatment of multiple neurodegenerative diseases. However, the survival and differentiation rates of grafted cells in the host brain need to be enhanced. In this regard, understanding of the underlying mechanism of NSCs survival and death is of great importance for the implications of stem cell-based therapeutic application in the treatments of neurological disorders. Autophagy is a conserved proteolytic mechanism required for maintaining cellular homeostasis, which can affect NSCs fate through regulating their biological behaviors, such as survival and proliferation...
October 25, 2016: Sheng Li Xue Bao: [Acta Physiologica Sinica]
Thomas Flegel, Maria Münch, Karina Held, Florian Salger, Luisa Ziegler, Peter Böttcher
OBJECTIVE: To report feasibility and outcome of multiple thoracolumbar partial lateral corpectomies (TLPLCs) in dogs with predominantly ventral spinal cord compression caused by intervertebral disc disease (IVDD) in the light of reported decreased spinal stability following single TLPLC. Material und methods: In a retrospective study the records of dogs treated by multiple TLPLCs for ventral spinal cord compression caused by Hansen type I or type II IVDD were reviewed. Presurgical spinal cord compression and postsurgical decompression, as well as slot dimensions were determined based on computed tomography (CT)-myelography images...
October 25, 2016: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
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