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https://www.readbyqxmd.com/read/28229483/venous-hemodialysis-catheters-and-cardiac-implantable-electronic-devices-avoiding-a-high-risk-combination
#1
EDITORIAL
Theodore F Saad, Henry L Weiner
End-stage renal disease is frequently accompanied by cardiac comorbidity that warrants treatment with a cardiovascular implantable electronic device (permanent pacemaker or implantable cardioverter-defibrillator). In the United States, chronic hemodialysis (HD) population, cardiac implantable devices are present in up to 10.5% of patients; a venous HD catheter is utilized for blood access in 18% of prevalent patients. The concomitant presence of a venous HD catheter and cardiovascular implantable device creates a high-risk circumstance, with potential for causing symptomatic central venous stenosis, and for developing complicated endovascular infection...
February 23, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28227557/sudden-changes-in-walking-surface-compliance-evoke-contralateral-emg-in-a-hemiparetic-walker-a-case-study-of-inter-leg-coordination-after-neurological-injury
#2
Jeffrey Skidmore, Panagiotis Artemiadis, Jeffrey Skidmore, Panagiotis Artemiadis, Jeffrey Skidmore, Panagiotis Artemiadis
Gait impairment due to neurological disorders is a significant problem around the world. Despite the growing interest in using robotic devices for gait rehabilitation, their widespread use remains limited as there is no clear evidence that robot-assisted gait therapy is superior to traditional treadmill-based therapy. This work is a case study that focuses on investigating the existence of mechanisms of inter-leg coordination after neurological injury, and based on that, proposing novel methods for gait rehabilitation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224082/clinical-characteristics-of-adult-patients-with-inborn-errors-of-metabolism-in-spain-a-review-of-500-cases-from-university-hospitals
#3
J Pérez-López, L Ceberio-Hualde, J S García-Morillo, J M Grau-Junyent, A Hermida Ameijeiras, M López-Rodríguez, J C Milisenda, M Moltó Abad, M Morales-Conejo, J J Nava Mateos
Patients with inborn errors of metabolism (IEMs) have become an emerging and challenging group in the adult healthcare system whose needs should be known in order to implement appropriate policies and to adapt adult clinical departments. We aimed to analyze the clinical characteristics of adult patients with IEMs who attend the most important Spanish hospitals caring for these conditions. A cohort study was conducted in 500 patients, categorized by metabolic subtype according to pathophysiological classification...
March 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28223962/molecular-mechanisms-in-mood-regulation-involving-the-circadian-clock
#4
REVIEW
Urs Albrecht
The circadian system coordinates activities and functions in cells and tissues in order to optimize body functions in anticipation to daily changes in the environment. Disruption of the circadian system, due to irregular lifestyle such as rotating shift work, frequent travel across time-zones, or chronic stress, is correlated with several diseases such as obesity, cancer, and neurological disorders. Molecular mechanisms linking the circadian clock with neurological functions have been uncovered suggesting that disruption of the clock may be critically involved in the development of mood disorders...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28222810/does-nordic-walking-restore-the-temporal-organization-of-gait-variability-in-parkinson-s-disease
#5
Thibault Warlop, Christine Detrembleur, Maïté Buxes Lopez, Gaëtan Stoquart, Thierry Lejeune, Anne Jeanjean
BACKGROUND: Gait disorders of Parkinson's disease (PD) are characterized by the breakdown of the temporal organization of stride duration variability that was tightly associated to dynamic instability in PD. Activating the upper body during walking, Nordic Walking (NW) may be used as an external cueing to improve spatiotemporal parameters of gait, such as stride length or gait variability, in PD. The aim of this study was to evaluate the beneficial effects of NW on temporal organization of gait variability and spatiotemporal gait variables in PD...
February 21, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28221789/raman-spectroscopy-reveals-selective-interactions-of-cytochrome-c-with-cardiolipin-that-correlate-with-membrane-permeability
#6
Jay P Kitt, David A Bryce, Shelley D Minteer, Joel M Harris
Permeabilization of the outer mitochondrial membrane is an integral step in apoptosis. The resulting release of pro-apoptotic signaling proteins leads to cell destruction through activation of the cysteine-aspartic protease (caspase) cascade. However, the mechanism of outer mitochondrial membrane (OMM) permeabilization remains unclear. It was recently shown that cytochrome c can induce pore formation in cardiolipin-containing phospholipid membranes leading to large dextran and protein permeability. In this work, the interaction of cytochrome c with cardiolpin-containing phospholipid vesicles, serving as models of the OMM, is investigated to probe cytochrome c-induced permeability...
February 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28220064/effect-of-experimentally-induced-trunk-muscular-tensions-on-the-sit-to-stand-task-performance-and-associated-postural-adjustments
#7
Alain Hamaoui, Caroline Alamini-Rodrigues
It has been shown that increased muscular activity along the trunk is likely to impair body balance, but there is little knowledge about its consequences on more dynamic tasks. The purpose of this study was to determine the effect of unilateral and bilateral increases of muscular tension along the trunk on the sit-to-stand task (STS) performance and associated anticipatory postural adjustments (APAs). Twelve healthy females (23 ± 3 years, 163 ± 0.06 cm, 56 ± 9 kg), free of any neurological or musculoskeletal disorders, performed six trials of the STS at maximum speed, in seven experimental conditions varying the muscular tension along each side of the trunk, using a specific bimanual compressive load paradigm...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28217359/crystal-structures-of-two-mononuclear-complexes-of-terbium-iii-nitrate-with-the-tripodal-alcohol-1-1-1-tris-hy-droxy-meth-yl-propane
#8
Thaiane Gregório, Siddhartha O K Giese, Giovana G Nunes, Jaísa F Soares, David L Hughes
Two new mononuclear cationic complexes in which the Tb(III) ion is bis-chelated by the tripodal alcohol 1,1,1-tris-(hy-droxy-meth-yl)propane (H3L(Et), C6H14O3) were prepared from Tb(NO3)3·5H2O and had their crystal and mol-ecular structures solved by single-crystal X-ray diffraction analysis after data collection at 100 K. Both products were isolated in reasonable yields from the same reaction mixture by using different crystallization conditions. The higher-symmetry complex dinitratobis[1,1,1-tris-(hy-droxy-meth-yl)propane]-terbium(III) nitrate di-meth-oxy-ethane hemisolvate, [Tb(NO3)2(H3L(Et))2]NO3·0...
February 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28217355/di-n-butyl-bis-n-2-meth-oxy-eth-yl-n-methyl-dithio-carbamato-%C3%AE%C2%BA-2-s-s-tin-iv-crystal-structure-and-hirshfeld-surface-analysis
#9
Rapidah Mohamad, Normah Awang, Nurul F Kamaludin, Mukesh M Jotani, Edward R T Tiekink
The complete mol-ecule of the title compound, [Sn(C4H9)2(C5H10NOS2)2], is generated by a crystallographic mirror plane, with the Sn(IV) atom and the two inner methyl-ene C atoms of the butyl ligands lying on the mirror plane; statistical disorder is noted in the two terminal ethyl groups, which deviate from mirror symmetry. The di-thio-carbamate ligand coordinates to the metal atom in an asymmetric mode with the resulting C2S4 donor set defining a skew trapezoidal bipyramidal geometry; the n-butyl groups are disposed to lie over the longer Sn-S bonds...
February 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28217326/crystal-structure-of-2-2-bipyrid-yl-2-6-bis-1-butyl-1h-benzimidazol-2-yl-pyridine-chlorido-iridium-iii-tri-fluoro-methane-sulfonate
#10
Victoria I Smith, Mohammad Nozari, Matthias Zeller, Anthony W Addison
The title complex compound, [Ir(C27H29N5)Cl(C10H8N2)](CF3SO3)2, was synthesized for a study of iridium(III)/periodate redox systems in water. The coordination geometry of the complex can be best described as distorted octa-hedral, with an r.m.s. deviation of 8.8 (8)% from ideal octa-hedral rectangular geometry. In the crystal, C-H⋯O and C-H⋯F inter-actions between the complex cation and the tri-fluoro-methane-sulfonate anions are observed, as well as a C-H⋯Cl inter-molecular inter-action between neighboring complex cations...
February 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28217325/crystal-structures-of-a-novel-nnn-pincer-ligand-and-its-dinuclear-titanium-iv-alkoxide-pincer-complex
#11
Jakub Pedziwiatr, Ion Ghiviriga, Khalil A Abboud, Adam S Veige
This report describes a synthetic protocols and the crystal structures involving a novel pincer-type H3[NNN] ligand, namely di-μ-bromido-μ-{2-(2,2-di-methylpropanimido-yl)-N-[2-(2,2-di-methyl-propanimido-yl)-4-methyl-phen-yl]-4-methylaniline}-bis-[(diethyl ether)lithium], [Li2Br2(C24H33N3)(C4H10O)2] (1) and a dinuclear metal complex, namely di-μ-bromido-2:3κ(4)Br:Br-bis-{2-(2,2-di-methylpropanimido-yl)-N-[2-(2,2-di-methyl-propanimido-yl)-4-methyl-phen-yl]-4-methylaniline}-1κ(3)N,N',N'';4κ(3)N,N',N''-tetra-μ-iso-propano-lato-1:2κ(4)O:O;3:4κ(4)O:O-diiso-propano-lato-1κO,4κO-2,3-dilithium-1,4-dititanium, [Li2Ti2Br2(C24H32N3)2(C3H7O)6] or {[NHNNH]Ti(O (i) Pr)3(LiBr)2}2 (2)...
February 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28215480/factors-affecting-sustainable-iodine-deficiency-elimination-in-pakistan-a-global-perspective
#12
REVIEW
Rehman Mehmood Khattak, Muhammad Nasir Khan Khattak, Till Ittermann, Henry Völzke
Iodine deficiency remains a considerable challenge worldwide, even after decades of efforts to address the problem. The aim of this review is to present the current situation in historically iodine-deficient Pakistan regarding iodine nutritional status and place it in a global perspective. We collected relevant articles from online bibliographic databases and websites of concerned organizations that addressed prevalence of goiter/iodine deficiency and barriers to sustainable control. We divided the studies into pre- and post-1994, a landmark year when Pakistan formally adopted the universal salt iodization (USI) programme...
February 16, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28211643/postural-analysis-in-a-pediatric-cohort-of-patients-with-ehlers-danlos-syndrome-a-pilot-study
#13
Claudio Lisi, Serena Monteleone, Carmine Tinelli, Berardo Rinaldi, Giuseppe Di Natali, Salvatore Savasta
BACKGROUND: The Ehlers-Danlos Syndrome (EDS) is a rare disorder affecting the connective tissue. EDS patients may suffer of proprioception and balance impairment but all the studies dealing with such symptoms have been addressed to adult subjects. The Study of such impairment in younger patients may lead to a better awareness of own motor abilities and to a focused rehabilitative intervention. Therefore, our work aims to assess the occurrence of these alterations in a pediatric cohort of EDS patients...
February 17, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28211267/efficient-and-selective-uptake-of-tco4-by-a-cationic-metal-organic-framework-material-with-open-ag-sites
#14
Daopeng Sheng, Lin Zhu, Chao Xu, Chengliang Xiao, Yanlong Wang, Yaxing Wang, Lanhua Chen, Juan Diwu, Jing Chen, Zhifang Chai, Thomas E Albrecht-Schmitt, Shuao Wang
99Tc is one of the most problematic radioisotopes in used nuclear fuel owing to its combined features of high fission yield, long half-life, and high environmental mobility. There are only a handful of functional materials that can remove TcO4- anion from aqueous solution and identifying for new, stable materials with high anion-exchange capacities, fast kinetics, and good selectivity remains a challenge. We report here an 8-fold interpenetrated three-dimensional cationic metal-organic framework material, SCU-100, which is assembled from a tetradentate neutral nitrogen-donor ligand and two-coordinate Ag+ cations as potential open metal sites...
February 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28209384/non-homogeneous-distribution-of-al-3-in-doped-phosphate-glasses-revealed-by-27-al-31-p-solid-state-nmr
#15
G Tricot, B Doumert, B Revel, M Bria, J Trebosc, H Vezin
Solid state NMR is applied in this contribution on the xAl2O3-(50-x/2)Na2O-(50-x/2)P2O5 composition line (with 0<x<5mol%) in order to investigate the distribution of Al(3+) ions in Al2O3-doped sodium phosphate glasses. The structure was analysed by (i) (27)Al 1D-, 3Q-, DQ- MAS-NMR analysis and (ii) 1D (31)P, (27)Al((31)P) 2D D-HMQC MAS-NMR and 2D (31)P R-INADEQUATE technique. The (27)Al NMR results confirm the presence of six-coordinated aluminate as major aluminate species and indicate that Al(3+) ions are fully dissociated in the glass network...
February 9, 2017: Solid State Nuclear Magnetic Resonance
https://www.readbyqxmd.com/read/28208366/evolutionary-games-with-coordination-and-self-dependent-interactions
#16
Balázs Király, György Szabó
Multistrategy evolutionary games are studied on a square lattice when the pair interactions are composed of coordinations between strategy pairs and an additional term with self-dependent payoff. We describe a method for determining the strength of each elementary coordination component in n-strategy potential games. Using analytical and numerical methods, the presence and absence of Ising-type order-disorder phase transitions are studied when a single pair coordination is extended by some types of self-dependent elementary games...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28204902/-medical-rehabilitation-from-a%C3%A2-lifespan-perspective
#17
Michael Linden, Sebastian Bernert, Ariane Funke, Karsten E Dreinhöfer, Michael Jöbges, Ernst von Kardorff, Steffi G Riedel-Heller, Karla Spyra, Heinz Völler, Petra Warschburger, Pia-Maria Wippert
Lifespan research investigates the development of individuals over the course of life. As medical rehabilitation deals with primary and secondary prophylaxis, treatment, and compensation of chronic illnesses, a lifespan perspective is needed for the classification and diagnosis of chronic disorders, the assessment of course modifying factors, the identification of vulnerable life periods and critical incidents, the implementation of preventive measures, the development of methods for the evaluation of prior treatments, the selection and prioritization of interventions, including specialized inpatient rehabilitation, the coordination of therapies and therapists, and for evaluations in social and forensic medicine...
February 15, 2017: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/28203582/indifference-to-chaotic-motion-may-be-related-to-social-disinterest-in-children-with-autism
#18
Joshua Haworth, Anastasia Kyvelidou, Wayne Fisher, Nicholas Stergiou
Children with autism spectrum disorder tend to have little interest in the presence, actions, and motives of other persons. In addition, these children tend to present with a limited and overly redundant movement repertoire, often expressing hyperfixation and aversion to novelty. We explore whether this is related to a more fundamental lack of appreciation for various temporal dynamics, including periodic, chaotic, and aperiodic motion structures. Seven children with ASD (age, gender, and height matched with children without ASD) were asked to stand and watch the motion of a visual stimulus displayed on a large (55″) video monitor...
December 2016: Journal of Motor Learning and Development
https://www.readbyqxmd.com/read/28203201/modulation-of-synaptic-plasticity-in-the-cortex-needs-to-understand-all-the-players
#19
REVIEW
Claire N J Meunier, Pascal Chameau, Philippe M Fossier
The prefrontal cortex (PFC) is involved in cognitive tasks such as working memory, decision making, risk assessment and regulation of attention. These functions performed by the PFC are supposed to rely on rhythmic electrical activity generated by neuronal network oscillations determined by a precise balance between excitation and inhibition balance (E/I balance) resulting from the coordinated activities of recurrent excitation and feedback and feedforward inhibition. Functional alterations in PFC functions have been associated with cognitive deficits in several pathologies such as major depression, anxiety and schizophrenia...
2017: Frontiers in Synaptic Neuroscience
https://www.readbyqxmd.com/read/28202961/early-brain-development-in-infants-at-high-risk-for-autism-spectrum-disorder
#20
Heather Cody Hazlett, Hongbin Gu, Brent C Munsell, Sun Hyung Kim, Martin Styner, Jason J Wolff, Jed T Elison, Meghan R Swanson, Hongtu Zhu, Kelly N Botteron, D Louis Collins, John N Constantino, Stephen R Dager, Annette M Estes, Alan C Evans, Vladimir S Fonov, Guido Gerig, Penelope Kostopoulos, Robert C McKinstry, Juhi Pandey, Sarah Paterson, John R Pruett, Robert T Schultz, Dennis W Shaw, Lonnie Zwaigenbaum, Joseph Piven
Brain enlargement has been observed in children with autism spectrum disorder (ASD), but the timing of this phenomenon, and the relationship between ASD and the appearance of behavioural symptoms, are unknown. Retrospective head circumference and longitudinal brain volume studies of two-year olds followed up at four years of age have provided evidence that increased brain volume may emerge early in development. Studies of infants at high familial risk of autism can provide insight into the early development of autism and have shown that characteristic social deficits in ASD emerge during the latter part of the first and in the second year of life...
February 15, 2017: Nature
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