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https://www.readbyqxmd.com/read/29774826/patients-with-diffuse-axonal-injury-can-recover-to-a-favourable-long-term-functional-and-quality-of-life-outcome
#1
Marleen Maria van Eijck, Joukje van der Naalt, Mariska de Jongh, Guus G Schoonman, Annemarie Wilhelma Oldenbeuving, Jo Peluso, Jolanda de Vries, Gerwin Roks
Functional outcome and quality of life are difficult to predict in patients with diffuse axonal injury (DAI) after traumatic brain injury (TBI). The primary aim of this cross-sectional cohort study was to assess the long-term functional outcome in patients with DAI and to identify prognostic factors. Secondly, health-related quality of life (HRQL) at long-term follow-up was assessed. Patients aged ≥16 with TBI and DAI (admitted 2008-2014) were included. Clinical and imaging data were collected. The primary outcome parameter was the Glasgow Coma Scale Extended (GOSE) at long-term follow-up...
May 18, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29774192/efficacy-of-the-all-in-one-therapeutic-strategy-for-severe-traumatic-brain-injury-preliminary-outcome-and-limitation
#2
Young-Soo Park, Yohei Kogeichi, Yoichi Shida, Hiroyuki Nakase
Objective: Despite recent advances in medicine, no significant improvement has been achieved in therapeutic outcomes for severe traumatic brain injury (TBI). In the treatment of severe multiple traumas, accurate judgment and prompt action corresponding to rapid pathophysiological changes are required. Therefore, we developed the "All-in-One" therapeutic strategy for severe TBI. In this report, we present the therapeutic concept and discuss its efficacy and limitations. Methods: From April 2007 to December 2015, 439 patients diagnosed as having traumatic intracranial injuries were treated at our institution...
April 2018: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/29772562/using-neuroimaging-to-uncover-awareness-in-brain-injured-and-anesthetized-patients
#3
Mackenzie Graham, Adrian M Owen, Charles Weijer, Lorina Naci
We cast a novel perspective on two distinct populations: patients who become accidentally intraoperatively aware after receiving general anesthesia and severely brain-injured patients who are diagnosed as being in a vegetative state. In both cases, patients are behaviorally non-responsive -and on this basis presumed to lack consciousness- yet, retain covert awareness. In both contexts, detecting consciousness is highly challenging, yet highly important for ensuring adequate patient care. Although great strides have been made in the development of depth-of-anesthesia monitors, these monitors have significant limitations...
June 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/29772308/prostheses-as-extensions-of-the-body-progress-and-challenges
#4
REVIEW
Maria Niedernhuber, Damiano G Barone, Bigna Lenggenhager
Recent years have seen a surge of interest in the incorporation of artificial limbs. This research promises to provide individuals with sensorimotor disorders such as amputations with prostheses which feel like their own body part. While neuroscience made a leap towards uncovering the basic neurocognitive mechanisms of bodily self-consciousness, the development of incorporated prosthetic limbs still faces substantial challenges in basic neuroscience and in clinical reality. Here we critically examine recent findings on prosthesis incorporation to aid patient rehabilitation in the context of advances in cognitive and applied neuroscience as well as technology...
May 14, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29772269/a-new-method-for-determining-levels-of-sedation-in-dogs-a-pilot-study-with-propofol-and-a-novel-neuroactive-steroid-anesthetic
#5
B L Youngblood, Y Ueyama, W W Muir, G M Belfort, R H Hammond, J Dai, F G Salituro, A J Robichaud, J J Doherty
BACKGROUND: Different levels of consciousness are required in order to perform different medical procedures. Sedation scales established to objectively define various levels of sedation in humans have not been thoroughly characterized in non-human species. Postural changes in rats or dogs are useful as gross measures of sedation but are inadequate for quantitative assessment since graded levels of sedation are difficult to delineate and obscured by movement abnormalities. NEW METHOD: A new canine sedation scoring (CSS) method was developed based on the modified observer's assessment of alertness and sedation score (MOAA/S) used in humans...
May 14, 2018: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29772217/altered-activity-and-information-flow-in-the-default-mode-network-of-pilocarpine-induced-epilepsy-rats
#6
Yan Cui, Shuang Yu, Tianjiao Zhang, Yangsong Zhang, Yang Xia, Dezhong Yao, Daqing Guo
Temporal lobe epilepsy (TLE) is considered a brain activity disorder that is likely related to allomnesia and conscious disturbance. In rodents, TLE epileptiform discharges can be triggered by systemic administration of a dose of pilocarpine. However, how these pilocarpine-induced epileptiform discharges generate and propagate through the whole brain has not been well studied. In this study, we sought to assess alterations of activity and information flow in the default mode network (DMN) during TLE epileptiform discharges in pilocarpine-induced TLE rats...
May 14, 2018: Brain Research
https://www.readbyqxmd.com/read/29771817/high-value-cost-conscious-communication-skills-in-undergraduate-medical-education-validity-evidence-for-scores-derived-from-two-standardized-patient-scenarios
#7
Neena Natt, Stephanie R Starr, Darcy A Reed, Yoon Soo Park, Liselotte N Dyrbye, Andrea N Leep Hunderfund
INTRODUCTION: Training in high-value, cost-conscious care (HVCCC) is increasingly being incorporated into medical school curricula, but students may have limited opportunities to engage patients in HVCCC conversations. The aim of this study was to develop two standardized patient scenarios with associated checklists, hypothesizing that resulting scores would allow for valid formative assessments of HVCCC communication skills. METHODS: Scenarios were designed to generate a less-is-more conversation (in response to a patient requesting an unnecessary test) and a shared decision-making conversation (in response to a patient choosing between multiple effective treatment options)...
May 15, 2018: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/29771718/evaluation-of-drug-effects-on-cerebral-blood-flow-and-glucose-uptake-in-un-anesthetized-and-un-stimulated-rats-application-of-free-moving-apparatus-enabling-to-keep-rats-free-during-pet-spect-tracer-injection-and-uptake
#8
Taku Sugita, Yusuke Kondo, Seigo Ishino, Ikuo Mori, Takashi Horiguchi, Mikako Ogawa, Yasuhiro Magata
OBJECTIVES: The purpose of this study is the development of novel fluorine-18-fluorodeoxyglucose (F-FDG)-PET and Tc-hexamethylpropylene amine oxime (HMPAO) SPECT methods with free-moving apparatus on conscious rats to investigate brain activity without the effects of anesthesia and tactual stimulation. We also assessed the sensitivity of the experimental system by an intervention study using fluoxetine as a reference drug. MATERIALS AND METHODS: A catheter was inserted into the femoral vein and connected to a free-moving cannula system...
May 15, 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29771707/electrolytes-and-biochemical-changes-in-cerebrospinal-fluid-in-drowning-experimental-rabbit-model
#9
Melad G Paulis, Eman I Hasan
The diagnosis of drowning is still a difficult task in forensic science. Biochemical changes in different body fluids have been examined for the identification of drowning. However, none of them alone gives accurate results in the diagnosis of drowning and differentiation of saltwater and freshwater drowning. This study aimed to examine cerebrospinal fluid changes in drowned rabbits. Six groups of rabbits were used including immersed dead rabbits in freshwater or saltwater (as control groups), alive fully conscious rabbits drowned in freshwater and saltwater, and anesthetized rabbits drowned in freshwater and saltwater...
May 15, 2018: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/29770920/filtered-maximum-likelihood-expectation-maximization-based-global-reconstruction-for-bioluminescence-tomography
#10
Defu Yang, Lin Wang, Dongmei Chen, Chenggang Yan, Xiaowei He, Jimin Liang, Xueli Chen
The reconstruction of bioluminescence tomography (BLT) is severely ill-posed due to the insufficient measurements and diffuses nature of the light propagation. Predefined permissible source region (PSR) combined with regularization terms is one common strategy to reduce such ill-posedness. However, the region of PSR is usually hard to determine and can be easily affected by subjective consciousness. Hence, we theoretically developed a filtered maximum likelihood expectation maximization (fMLEM) method for BLT...
May 17, 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29770601/prehospital-identification-of-factors-associated-with-death-during-one-year-follow-up-after-acute-stroke
#11
Per-Olof Hansson, Magnus Andersson Hagiwara, Peter Brink, Johan Herlitz, Birgitta Wireklint Sundström
OBJECTIVES: In acute stroke, the risk of death and neurological sequelae are obvious threats. The aim of the study was to evaluate the association between various clinical factors identified by the emergency medical service (EMS) system before arriving at hospital and the risk of death during the subsequent year among patients with a confirmed stroke. MATERIAL AND METHODS: All patients with a diagnosis of stroke as the primary diagnosis admitted to a hospital in western Sweden (1...
May 16, 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29770146/effects-of-20-hz-repetitive-transcranial-magnetic-stimulation-on-disorders-of-consciousness-a-resting-state-electroencephalography-study
#12
Fangping He, Min Wu, Fanxia Meng, Yangfan Hu, Jian Gao, Zhongqin Chen, Wangxiao Bao, Kehong Liu, Benyan Luo, Gang Pan
Repetitive transcranial magnetic stimulation (rTMS) has been proposed as an experimental approach for the treatment of disorders of consciousness (DOC). To date, there has been little research into the use of rTMS in DOC and the therapeutic effects have been variously documented. This study aimed to examine the effects of 20 Hz rTMS on the electroencephalography (EEG) reactivity and clinical response in patients with DOC and to explore the neuromodulatory effects of high-frequency rTMS. In this randomized, sham-controlled, crossover study, real or sham 20 Hz rTMS was applied to the left primary motor cortex (M1) of patients with DOC for 5 consecutive days...
2018: Neural Plasticity
https://www.readbyqxmd.com/read/29768480/internal-medicine-trainees-knowledge-and-confidence-in-using-the-american-society-of-hematology-choosing-wisely-guidelines-in-hemostasis-thrombosis-and-non-malignant-hematology
#13
Ariela L Marshall, Sarah Jenkins, Amy S Oxentenko, Alfred I Lee, Mark D Siegel, Joel T Katz, Jatin M Vyas, John Del Valle, Joseph R Mikhael
BACKGROUND: Several specialty societies participate in the Choosing Wisely (CW) campaign in an attempt to reduce waste in health care spending. We surveyed internal medicine (IM) residents with an objective of classifying knowledge of and confidence in using the American Society of Hematology (ASH) CW principles in hemostasis, thrombosis, and non-malignant hematology. METHODS: Multi-institutional study of IM residents at 5 academic training programs in the United States...
2018: PloS One
https://www.readbyqxmd.com/read/29767910/preparation-for-motherhood-during-pregnancy-a-concept-analysis
#14
Jhon Henry Osorio-Castaño, Gloria Carvajal-Carrascal, María Rodríguez-Gázquez
OBJECTIVES: This work sought to identify the attributes of the concept of preparation for motherhood during pregnancy. METHODS: Concept analysis with the method by Walker and Avant, which conducted a literature review in databases and other sources. Inclusion criteria were defined and a database was created with the articles included for the analysis. The information was integrated, responding to the eight steps proposed in the method. RESULTS: The concept of preparation for motherhood during pregnancy is defined as an intermediate process of active and conscious participation defined by the cultural, social, and historical contexts, which favor lifestyle changes to optimize health and whose attributes are classified into physical and psychological preparation...
October 2017: Investigación y Educación en Enfermería
https://www.readbyqxmd.com/read/29766586/awareness-is-related-to-reduced-post-stimulus-alpha-power-a-no-report-inattentional-blindness-study
#15
Anthony M Harris, Paul E Dux, Jason B Mattingley
Delineating the neural correlates of sensory awareness is a key requirement for developing a neuroscientific understanding of consciousness. A neural signal that has been proposed as a key neural correlate of awareness is amplitude reduction of 8-14 Hz alpha oscillations. Alpha oscillations are also closely linked to processes of spatial attention, providing potential alternative explanations for past results associating alpha oscillations with awareness. We employed a no-report inattentional blindness (IB) paradigm with electroencephalography to examine the association between awareness and the power of 8-14 Hz alpha oscillations...
May 15, 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29765311/altered-sense-of-body-ownership-and-agency-in-posttraumatic-stress-disorder-and-its-dissociative-subtype-a-rubber-hand-illusion-study
#16
Daniela Rabellino, Dalila Burin, Sherain Harricharan, Chantelle Lloyd, Paul A Frewen, Margaret C McKinnon, Ruth A Lanius
Traumatic experiences have been linked to the development of altered states of consciousness affecting bodily perception, including alterations in body ownership and in sense of agency, the conscious experience of the body as one's own and under voluntary control. Severe psychological trauma and prolonged distress may lead to posttraumatic stress disorder (PTSD). Together, symptoms of derealization and, related specifically to the sense of body ownership and agency, of depersonalization (where parts of the body or the entire body itself is perceived as detached and out of control), constitute the dissociative subtype (PTSD+DS)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29765135/invisible-light-inside-the-natural-blind-spot-alters-brightness-at-a-remote-location
#17
Marina Saito, Kentaro Miyamoto, Yusuke Uchiyama, Ikuya Murakami
The natural blind spot in the visual field has been known as a large oval region that cannot receive any optical input because it corresponds to the retinal optic disk containing no rod/cone-photoreceptors. Recently, stimulation inside the blind spot was found to enhance, but not trigger, the pupillary light reflex. However, it is unknown whether blind-spot stimulation also affects visual perception. We addressed this question using psychophysical brightness-matching experiments. We found that a test stimulus outside the blind spot was judged as darker when it was accompanied by a consciously unexperienced blue oval inside the blind spot; moreover, the pupillary light reflex was enhanced...
May 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29764750/patient-oriented-optimal-depth-of-conscious-sedation-using-midazolam-during-flexible-bronchoscopy-a-prospective-open-labeled-single-arm-trial
#18
Yuichiro Takeda, Hibiki Udagawa, Shinji Nakamichi, Yasuto Yoneshima, Motoyasu Iikura, Satoshi Hirano, Go Naka, Haruhito Sugiyama
BACKGROUND: The British Thoracic Society guidelines for diagnostic flexible bronchoscopy (FB) in adults recommend that intravenous sedation should be offered to patients undergoing bronchoscopy. However, it is difficult to determine the adequate depth of sedation for each patient because of inter-individual variability. METHODS: This prospective, open-label, single-arm study was conducted in patients undergoing routine bronchus examination with FB. All patients underwent FB under local anesthesia and conscious sedation, with initial administration of 0...
May 6, 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29764721/robust-transient-neural-dynamics-during-conscious-perception
#19
Biyu J He
While neuroscientific research on perceptual awareness has traditionally focused on the spatial and temporal localizations of neural activity underlying conscious processing, recent development suggests that the dynamic characteristics of spatiotemporally distributed neural activity contain important clues about the neural computational mechanisms underlying conscious processing. Here, we summarize recent progress.
May 12, 2018: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/29764555/-role-of-noninvasive-mechanical-ventilation-in-patients-with-severe-avian-influenza-a-h7n9-complicated-with-acute-respiratory-distress-syndrome
#20
Haili Luo, Shaohong Wang, Feng Shen, Tongmei Yuan, Xianguo Pan, Jingtao Liu, Ling Yao, Juncheng Wu, Xuemei Long
Human infection with avian influenza A (H7N9) is an acute contagious respiratory disease. Acute respiratory distress syndrome (ARDS) is a common complication in patients with severe avian influenza A (H7N9), for whom mechanical ventilation (MV) is an important supportive method. A patient, suffered from severe avian influenza A (H7N9) and complicated with ARDS, was admitted to the Second Affiliated Hospital of Guizhou Medical University in January 2017. With very intensive care for oxygenation, respiration and consciousness, and monitoring, she was successfully cured by comprehensive managements, among which noninvasive mechanical ventilation (NIV) was the major respiratory support method...
May 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
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