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https://www.readbyqxmd.com/read/28724204/gait-and-balance-impairment-after-acute-methanol-poisoning
#1
Kamila Peterová, Hana Brožová, Jiří Klempíř, Irena Lišková, Ondřej Bezdíček, Petr Ridzoň, Manuela Vaněčková, Sergej Zakharov, Daniela Pelclová, Michal Miovský, Evžen Růžička
Neurological sequelae including gait impairment were reported in survivors after methanol intoxication; however, no systematic study has been published so far. We aimed to analyse gait and balance impairment in a group of Czech methanol poisoning survivors. We examined 43 patients (age 46±13 years) 2-8 months after methanol poisoning and 43 healthy controls. Investigations contained a shortened version of Falls Efficacy Scale (FES), clinical tests of gait and balance including Timed Up and Go test (TUG) and gait analysis using GaitRite(®) system, neurological and neuropsychological examination, brain imaging, EMG and tests of alcohol consumption...
July 19, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28721429/frailty-and-fear-of-falling-the-fistac-study
#2
M Esbrí-Víctor, I Huedo-Rodenas, M López-Utiel, J L Navarro-López, M Martínez-Reig, J A Serra-Rexach, L Romero-Rizos, P Abizanda
OBJECTIVE: To analyze the association between frailty and Fear of Falling (FoF) in a cohort of older adults with previous falls. DESIGN: Cross-sectional study (FISTAC). SETTING: Falls Unit, Complejo Hospitalario Universitario of Albacete (Spain). PARTICIPANTS: 183 adults older than 69 years, from the Falls Unit, with a history of a previous fall in the last year. MEASUREMENTS: FoF was assessed at baseline using the Falls Efficacy Scale International (FES-I) and three questions previously validated...
2017: Journal of Frailty & Aging
https://www.readbyqxmd.com/read/28715755/adsorption-of-mercury-ii-from-aqueous-solutions-using-fes-and-pyrite-a-comparative-study
#3
Yue Sun, Dan Lv, Jiasheng Zhou, Xiaoxin Zhou, Zimo Lou, Shams Ali Baig, Xinhua Xu
In this study, a comparative evaluation of synthetic FeS and natural pyrite was performed to investigate their adsorptive potentials toward Hg(II) in aqueous system. Characterization analyses such as BET, SEM and TEM suggested that FeS had porous structures with abundant active sites, while pyrite with a hard and smooth surface relied mainly on surface adsorption to immobilize Hg(II). Results of batch tests revealed that FeS offered much greater Hg(II) maximum adsorption capacity (769.2 mg/g) as compared to pyrite (9...
July 11, 2017: Chemosphere
https://www.readbyqxmd.com/read/28715333/wheelchair-neuroprosthesis-for-improving-dynamic-trunk-stability
#4
Kramay Patel, Matija Milosevic, Kimitaka Nakazawa, Milos R Popovic, Kei Masani
Trunk instability is a major problem for individuals with thoracic and cervical spinal cord injury. Functional electrical stimulation (FES) neuroprosthesis, a technology that uses small electrical currents to artificially contract muscles, has previously been utilized to improve trunk stability during quasistatic and dynamic sitting. The aim of this study was to develop the first powered wheelchair-based neuroprosthesis and to test its feasibility for improving trunk stability. Eleven male, able-bodied individuals participated in the feasibility study...
July 14, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28714802/binocular-vision-disorders-and-visual-attention-associations-with-balance-and-mobility-in-older-adults
#5
Mohammed M Althomali, Susan J Leat
Understanding which aspects of vision are related to falls is important. We examine the associations between tests of balance, mobility, fear of falling (FES-1) and aspects of vision in 72 adults aged 70+. Balance and mobility were examined using the One Legged Stance test (OLST), the Sit to Stand test (STST) and the 5 Meter Walking test (5MWT). Visual measures included visual acuity (VA), contrast sensitivity, stereoacuity, binocular vision (BV) measurements, Useful field of View (UFV) and Attended Field of View (AFOV)...
July 17, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28708068/mechanomyography-and-torque-during-fes-evoked-muscle-contractions-to-fatigue-in-individuals-with-spinal-cord-injury
#6
Nor Zainah Mohamad, Nur Azah Hamzaid, Glen M Davis, Ahmad Khairi Abdul Wahab, Nazirah Hasnan
A mechanomyography muscle contraction (MC) sensor, affixed to the skin surface, was used to quantify muscle tension during repetitive functional electrical stimulation (FES)-evoked isometric rectus femoris contractions to fatigue in individuals with spinal cord injury (SCI). Nine persons with motor complete SCI were seated on a commercial muscle dynamometer that quantified peak torque and average torque outputs, while measurements from the MC sensor were simultaneously recorded. MC-sensor-predicted measures of dynamometer torques, including the signal peak (SP) and signal average (SA), were highly associated with isometric knee extension peak torque (SP: r = 0...
July 14, 2017: Sensors
https://www.readbyqxmd.com/read/28704663/effect-of-sulfide-on-as-iii-and-as-v-sequestration-by-ferrihydrite
#7
Zhixi Zhao, Shaofeng Wang, Yongfeng Jia
The sulfide-induced change in arsenic speciation is often coupled to iron geochemical processes, including redox reaction, adsorption/desorption and precipitation/dissolution. Knowledge about how sulfide influenced the coupled geochemistry of iron and arsenic was not explored well up to now. In this work, retention and mobilization of As(III) and As(V) on ferrihydrite in sulfide-rich environment was studied. The initial oxidation states of arsenic and the contact order of sulfide notably influenced arsenic sequestration on ferrihydrite...
June 30, 2017: Chemosphere
https://www.readbyqxmd.com/read/28698900/simulation-based-mastery-learning-for-endoscopy-using-the-endoscopy-training-system-a-strategy-to-improve-endoscopic-skills-and-prepare-for-the-fundamentals-of-endoscopic-surgery-fes-manual-skills-exam
#8
E Matthew Ritter, Zachary A Taylor, Kathryn R Wolf, Brenton R Franklin, Sarah B Placek, James R Korndorffer, Aimee K Gardner
INTRODUCTION: The fundamentals of endoscopic surgery (FES) program has considerable validity evidence for its use in measuring the knowledge, skills, and abilities required for competency in endoscopy. Beginning in 2018, the American Board of Surgery will require all candidates to have taken and passed the written and performance exams in the FES program. Recent work has shown that the current ACGME/ABS required case volume may not be enough to ensure trainees pass the FES skills exam...
July 11, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28687055/psychometric-properties-of-the-swedish-version-of-the-falls-efficacy-scale-international-for-older-adults-with-osteoporosis-self-reported-balance-deficits-and-fear-of-falling
#9
Alexandra Halvarsson, Agneta Ståhle
PURPOSE: Investigate the psychometric properties of the Swedish version of the Falls Efficacy Scale-International (FES-I). METHOD: Cross-sectional study. Community-dwelling older adults with self-reported balance deficits and fear of falling were recruited from an ongoing randomised controlled study to evaluate the psychometric properties of the FES-I using Rasch model analysis. RESULTS: The Rasch model analysis revealed good category function, the questionnaire measured one dimension with an explained variance of 68...
July 7, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28684424/il-4-upregulates-cyclooxygenase-1-expression-in-macrophages
#10
Ashley E Shay, Bastihalli T Diwakar, Bo-Jhih Guan, Vivek Narayan, Joseph F Urban, K Sandeep Prabhu
Macrophages use various cell-surface receptors to sense their environment and undergo polarized responses. The cytokines IL-4 and IL-13, released from T-helper type 2 (Th2) cells, drive macrophage polarization toward an alternatively activated phenotype (M2). This phenotype is associated with the expression of potent pro-resolving mediators, such as the prostaglandin (PG) D2-derived cyclopentenone metabolite, 15d-PGJ2, produced by the cyclooxygenase (Ptgs; Cox) pathway. Interestingly, IL-4 treatment of bone marrow-derived macrophages significantly downregulates Cox-2 protein expression, while Cox-1 levels are significantly increased...
July 6, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28676739/pid-controller-design-for-fes-applied-to-ankle-muscles-in-neuroprosthesis-for-standing-balance
#11
Hossein Rouhani, Michael Same, Kei Masani, Ya Qi Li, Milos R Popovic
Closed-loop controlled functional electrical stimulation (FES) applied to the lower limb muscles can be used as a neuroprosthesis for standing balance in neurologically impaired individuals. The objective of this study was to propose a methodology for designing a proportional-integral-derivative (PID) controller for FES applied to the ankle muscles toward maintaining standing balance for several minutes and in the presence of perturbations. First, a model of the physiological control strategy for standing balance was developed...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28674921/power-output-and-fatigue-properties-using-spatially-distributed-sequential-stimulation-in-a-dynamic-knee-extension-task
#12
Marco Laubacher, Anil Efe Aksöz, Robert Riener, Stuart Binder-Macleod, Kenneth J Hunt
PURPOSE: The low power output and fatigue resistance during functional electrical stimulation (FES) limits its use for functional applications. The aim of this study was to compare the power output and fatigue properties of spatially distributed sequential stimulation (SDSS) against conventional single electrode stimulation (SES) in an isokinetic knee extension task simulating knee movement during recumbent cycling. METHODS: M. vastus lateralis and m. vastus medialis of eight able-bodied subjects were stimulated for 6 min on both legs with both setups...
July 3, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28673311/a-decision-support-system-for-electrode-shaping-in-multi-pad-fes-foot-drop-correction
#13
Jovana Malešević, Suzana Dedijer Dujović, Andrej M Savić, Ljubica Konstantinović, Aleksandra Vidaković, Goran Bijelić, Nebojša Malešević, Thierry Keller
BACKGROUND: Functional electrical stimulation (FES) can be applied as an assistive and therapeutic aid in the rehabilitation of foot drop. Transcutaneous multi-pad electrodes can increase the selectivity of stimulation; however, shaping the stimulation electrode becomes increasingly complex with an increasing number of possible stimulation sites. We described and tested a novel decision support system (DSS) to facilitate the process of multi-pad stimulation electrode shaping. The DSS is part of a system for drop foot treatment that comprises a custom-designed multi-pad electrode, an electrical stimulator, and an inertial measurement unit...
July 3, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28668044/how-good-is-the-generalized-langevin-equation-to-describe-the-dynamics-of-photo-induced-electron-transfer-in-fluid-solution
#14
Gonzalo Angulo, Jakub Jedrak, Anna Ochab-Marcinek, Pakorn Pasitsuparoad, Czesław Radzewicz, Paweł Wnuk, Arnulf Rosspeintner
The dynamics of unimolecular photo-triggered reactions can be strongly affected by the surrounding medium for which a large number of theoretical descriptions have been used in the past. An accurate description of these reactions requires knowing the potential energy surface and the friction felt by the reactants. Most of these theories start from the Langevin equation to derive the dynamics, but there are few examples comparing it with experiments. Here we explore the applicability of a Generalized Langevin Equation (GLE) with an arbitrary potential and a non-Markovian friction...
June 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28667706/an-autopsy-case-of-non-traumatic-fat-embolism-syndrome
#15
Mai Sakashita, Shingo Sakashita, Akiko Sakata, Noriko Uesugi, Kazunori Ishige, Ichinosuke Hyodo, Masayuki Noguchi
Fat embolism syndrome (FES) occurs after long bone fractures and the symptoms appear 24-72 h after the initial trauma. Fat emboli can affect both the pulmonary and systemic circulation. Apart from the most common type of FES that originates from bone fracture, non-traumatic FES has been also reported. We have experienced an autopsy case of non-traumatic FES. An 81-year-old man with hepatocellular carcinoma associated with alcoholic liver cirrhosis suddenly lost consciousness before transcatheter arterial chemoembolization treatment for his disease and died 5 h after the episode...
June 30, 2017: Pathology International
https://www.readbyqxmd.com/read/28662607/integrating-fat-embolism-syndrome-scoring-indices-in-sickle-cell-disease-a-practice-management-review
#16
Keneisha Bailey, Jagila Wesley, Adebayo Adeyinka, Louisdon Pierre
Fat embolism syndrome (FES) has been described in the literature as a rare complication of sickle cell disease (SCD). A review article published in 2005 reported 24 cases of FES associated with SCD. In many cases, a definitive diagnosis of FES in SCD is made on autopsy because of the lack of early recognition and the paucity of sensitive and specific testing for this syndrome. Patients with FES usually have a fulminant, rapidly deteriorating clinical course with mortality occurring within the first 24 hours...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28659998/axial-spondyloarthritis-and-cigarette-smoking
#17
Irène Kona Kaut, Fatima Ezzhara Abourazzak, Essouri Jamila, Florine Awassi Sènami, Desiré Diketa, Harzy Taoufik
BACKGROUND: Smoking is one of the main environmental risk factors involved in several rheumatic diseases according to ACR 2014, it is included among the risk factors for severe axial spondyloarthritis. OBJECTIVES: The objective is to study the association between smoking and the activity of the disease, the functional impact and the severity of the axial spondyloarthritis. METHODS: It is a transversal study with a descriptive and analytical aim, during the period between January 2014 and December 2015 conducted in the department of rheumatology at the CHU Hassan II of Fes...
2017: Open Rheumatology Journal
https://www.readbyqxmd.com/read/28656745/anxiety-affects-disability-and-quality-of-life-in-patients-with-painful-diabetic-neuropathy
#18
C C Geelen, R J E M Smeets, S Schmitz, J P van den Bergh, M E J B Goossens, J A Verbunt
BACKGROUND: Painful diabetic neuropathy (PDN) is known to negatively affect psychosocial functioning as expressed by enhanced levels of anxiety and depression. The aim of this study was to specify diabetes and pain-related fears. METHODS: This questionnaire-based cross-sectional study included 154 patients with PDN (mean age 65.7 ± 6.6 years). Correlation analyses corrected for age, gender, pain intensity, pain duration and insulin treatment were performed to assess the associations of fear of hypoglycaemia (Hypoglycaemia Fear Survey, HFS), kinesiophobia (Tampa Scale of Kinesiophobia, TSK), fear of pain (Pain Anxiety Symptom Scale, PASS-20), fear of falling (Falls Efficacy Scale-I, FES-I), fear of fatigue (Tampa Scale of Fatigue, TSF) and fear of negative evaluation (Brief Fear of Negative Evaluation Scale, BFNE), with quality of life (QoL) (Norfolk Quality of Life Questionnaire, Diabetic Neuropathy Version, QOL-DN) and disability (Pain Disability Index, PDI), respectively...
June 27, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28652237/the-candidate-antimalarial-drug-mmv665909-causes-oxygen-dependent-mrna-mistranslation-and-synergises-with-quinoline-derived-antimalarials
#19
Cindy Vallières, Simon V Avery
To cope with growing resistance to current antimalarials, new drugs with novel modes of action are urgently needed. Molecules targeting protein synthesis appear to be promising candidates. We identified a compound (MMV665909) from the MMV Malaria Box of candidate antimalarials that could produce synergistic growth inhibition with the aminoglycoside antibiotic paromomycin, suggesting a possible action of the compound in mRNA mistranslation. This mechanism of action was substantiated with the yeast cell model using available reporters of mistranslation and other genetic tools...
June 26, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28650832/committee-based-active-learning-for-surrogate-assisted-particle-swarm-optimization-of-expensive-problems
#20
Handing Wang, Yaochu Jin, John Doherty
Function evaluations (FEs) of many real-world optimization problems are time or resource consuming, posing a serious challenge to the application of evolutionary algorithms (EAs) to solve these problems. To address this challenge, the research on surrogate-assisted EAs has attracted increasing attention from both academia and industry over the past decades. However, most existing surrogate-assisted EAs (SAEAs) either still require thousands of expensive FEs to obtain acceptable solutions, or are only applied to very low-dimensional problems...
June 22, 2017: IEEE Transactions on Cybernetics
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