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https://www.readbyqxmd.com/read/28820534/the-ligand-effect-on-the-oxidative-addition-of-dioxygen-to-gold-i-hydride-complexes
#1
Carlo Alberto Gaggioli, Leonardo Belpassi, Francesco Tarantelli, Jeremy N Harvey, Paola Belanzoni
The ligand effect on the recently uncovered feasible oxidative addition reaction of O2 on [LAuH] complexes has been investigated for a series of fifteen ligands. The activation barriers of this spin-forbidden reaction have been estimated at the minimum energy crossing points (MECP, relativistic scalar level) between the adiabatic triplet (reactants spin state) and singlet (product spin state) potential energy surfaces (PES) and calculated at the transition states by including Spin-Orbit Coupling (SOC) effects, as applied for the mechanistic study of this reaction in a previous study by us [Chem...
August 18, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28807212/comparison-of-normothermic-and-hypothermic-perfusion-in-porcine-kidneys-donated-after-cardiac-death
#2
Matthew F Blum, Qiang Liu, Basem Soliman, Paul Dreher, Toshihiro Okamoto, Emilio D Poggio, David A Goldfarb, William M Baldwin, Cristiano Quintini
BACKGROUND: Normothermic machine perfusion (NMP) is an alternative strategy for preserving kidneys donated after cardiac death (DCD). The relative efficacy of prolonged NMP compared to hypothermic machine perfusion (HMP) in DCD kidneys with moderate ischemic injury is undetermined. This study compares NMP and HMP kidney preservation in a porcine DCD model. METHODS: Ten porcine kidneys underwent NMP or HMP preservation following 45 minutes of warm ischemia and 5 hours of cold ischemia...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28805291/harms-of-unsuccessful-donation-after-circulatory-death-an-exploratory-study
#3
Lauren J Taylor, Anne Buffington, Joseph R Scalea, Norman Fost, Kenneth D Croes, Joshua D Mezrich, Margaret L Schwarze
While donation after circulatory death (DCD) has expanded options for organ donation, many who wish to donate are still unable to do so. We conducted face-to-face interviews with family members (n=15) who had direct experience with unsuccessful DCD and five focus groups with professionals involved in the donation process. We used qualitative content analysis to characterize harms of non-donation as perceived by participants. Participants reported a broad spectrum of harms impacting organ recipients, donors and donor families...
August 14, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28798707/feasibility-of-motor-imagery-training-for-children-with-developmental-coordination-disorder-a-pilot-study
#4
Imke L J Adams, Bouwien Smits-Engelsman, Jessica M Lust, Peter H Wilson, Bert Steenbergen
Children with Developmental Coordination Disorder (DCD) experience movement difficulties that may be linked to processes involved in motor imagery (MI). This paper discusses recent advances in theory that underpin the use of MI training for children with DCD. This knowledge is translated in a new MI training protocol which is compared with the cognitive orientation to daily occupational performance (CO-OP). Children meeting DSM-5 criteria for DCD were assigned to MI (n = 4) or CO-OP (n = 4) interventions and completed nine treatment sessions, including homework exercises...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28772351/the-influence-of-functional-warm-ischemia-time-on-dcd-liver-transplant-recipients-outcomes
#5
Jessica C Coffey, Kerollos N Wanis, Diethard Monbaliu, Nicholas Gilbo, Markus Selzner, Neeta Vachharajani, Mark A Levstik, Max Marquez, Mb Majella Doyle, Jacques Pirenne, David Grant, Julie K Heimbach, William Chapman, Kelly Vogt, Roberto Hernandez-Alejandro
BACKGROUND: Duration of functional warm ischemia (f-WIT) is thought to have a causal effect on outcomes in controlled donation after circulatory death (DCD) liver transplantation (LT). METHODS: A retrospective cohort study was conducted at five centers. Data were extracted on donor and recipient characteristics, with attention to parameters recorded during withdrawal of life support to in-situ cold perfusion. F-WIT was the time elapsed from any of the hemodynamic and oxygenation parameters to the start of in-situ cold perfusion...
August 3, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28771455/confirmed-transmission-of-bacterial-or-fungal-infection-to-kidney-transplant-recipients-from-donated-after-cardiac-death-dcd-donors-in-china-a-single-center-analysis
#6
Qiquan Wan, Huanmiao Liu, Shaojun Ye, Qifa Ye
BACKGROUND We aimed to investigate blood and urine cultures of donated after cardiac death (DCD) donors and report the cases of confirmed (proven/probable) transmission of bacterial or fungal infection from donors to kidney recipients. MATERIAL AND METHODS Seventy-eight DCD donors between 2010 and 2016 were included. Sixty-one DCD donors underwent blood cultures and 22 episodes of bacteremias developed in 18 donors. Forty-three donors underwent urine cultures and 14 donors experienced 17 episodes of urinary infections...
August 3, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28766864/investigation-of-chemical-bonding-in-in-situ-cryocrystallized-organometallic-liquids
#7
Deepak Chopra, Abhishek Sirohiwal, Dhananjay Dey, Venkatesha R Hathwar
This report presents the crystal structure of organometallic complexes namely (a) (η4-1, 3 Cyclohexadiene) iron tricarbonyl [I] and (b) (Methyl cyclopentadienyl) manganese tricarbonyl [II] (both are liquid at the room temperature), which were determined using state-of-the-art in situ cryocrystallization technique. The bonding features are elucidated using topological analysis of charge density in the framework of Quantum Theory of Atoms in Molecules (QTAIM) and theoretical charge density analysis (multipolar refinement), to decipher the metal-carbonyl, metal-olefin and metal-carbocyclic ligand interactions in these complexes...
August 2, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/28764101/probing-the-binding-properties-of-dicyandiamide-with-pepsin-by-spectroscopy-and-docking-methods
#8
Yuanyuan Yue, Shufang Zhao, Jianming Liu, Xuyang Yan, Yangyang Sun
Dicyandiamide (DCD), considered to be a nitrification inhibitor, poses threat to human's health with exposure from milk, infant formula and other food products. In this work, DCD was investigated for its binding reaction with pepsin using spectroscopy and docking methods. Fluorescence experiments indicated DCD quenched the fluorescence of pepsin through a static process. Thermodynamic analysis of the binding data (ΔH(0) = -21.72 kJ mol(-1) and ΔS(0) = 17.61 J mol(-1) K(-1)) suggested the involvement of hydrophobic and hydrogen bonding in the complex formation...
October 2017: Chemosphere
https://www.readbyqxmd.com/read/28761201/the-impact-of-methylphenidate-on-motor-performance-in-children-with-both-attention-deficit-hyperactivity-disorder-and-developmental-coordination-disorder-a-randomized-double-blind-crossover-clinical-trial
#9
Robabeh Soleimani, Maryam Kousha, Homa Zarrabi, Seyede Mahnaz Tavafzadeh-Haghi, Mir Mohammad Jalali
BACKGROUND: Children with attention deficit hyperactivity disorder/developmental coordination disorder (ADHD/DCD) suffer from problems associated with gross and fine motor skills. There is no effective pharmacological therapy for such patients. We aimed to assess the impact of methylphenidate (MPH) on motor performance of children with ADHD/DCD. METHODS: In this double-blind placebo-controlled, 17 children (12 boys) with ADHD/DCD with a mean age of 7 years 6 months were recruited in Shafa Hospital, Rasht, Iran...
July 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28758189/task-oriented-interventions-for-children-with-developmental-co-ordination-disorder
#10
REVIEW
Motohide Miyahara, Susan L Hillier, Liz Pridham, Shinichi Nakagawa
BACKGROUND: Developmental co-ordination disorder (DCD) is a common childhood disorder, which can persist into adolescence and adulthood. Children with DCD have difficulties in performing the essential motor tasks required for self-care, academic, social and recreational activities. OBJECTIVES: To assess the effectiveness of task-oriented interventions on movement performance, psychosocial functions, activity, and participation for children with DCD and to examine differential intervention effects as a factor of age, sex, severity of DCD, intervention intensity, and type of intervention...
July 31, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28746080/determination-of-optimal-coronary-flow-for-the-preservation-of-donation-after-circulatory-death-in-murine-heart-model
#11
Mohammed Quader, Stefano Toldo, Juan Torrado, Suraj Mishra, Adolfo G Mauro, Eleonora Mezzaroma, Reichstetter Heather, Antonio Abbate, Vigneshwar Kasirajan, Martin Mangino
Donation after circulatory death donors (DCD) have the potential to increase the number of heart transplants. The DCD hearts undergo an extended period of warm ischemia, which mandates the use of machine perfusion preservation if they are to be successfully recovered for transplantation. Because the minimum coronary artery flow needed to meet the basal oxygen demand (DCRIT) of a DCD heart during machine perfusion preservation is critical and yet unknown, we studied this in a DCD rat heart model. Adult male rats were anesthetized, intubated, heparinized, and paralyzed with vecuronium...
July 25, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28745216/insights-in-developmental-coordination-disorder
#12
Marie Farmer, Bernard Echenne, Regen Drouin, M Hamed Bentourkia
BACKGROUND: Developmental Coordination Disorder (DCD) is a neurological impairment occurring in nearly 6% of general population, and sometimes mimics other developmental disorders like Attention Deficit Hyperactivity Disorder (ADHD) or, in the most severe cases, intellectual deficiency. OBJECTIVE: We propose in this review a contribution on this matter in order to provide better insights in DCD including clinical symptoms and pathophysiological explanations that would identify this entity from others...
July 26, 2017: Current Pediatric Reviews
https://www.readbyqxmd.com/read/28742700/comparison-of-postoperative-outcomes-between-donation-after-circulatory-death-and-donation-after-brain-death-liver-transplantation-using-the-comprehensive-complication-index
#13
Marit Kalisvaart, Jubi E de Haan, Wojciech G Polak, Herold J Metselaar, Bas P L Wijnhoven, Jan N M IJzermans, Jeroen de Jonge
OBJECTIVE: To test the total burden of complications in the early postoperative period after liver transplantation (LT) between donation after circulatory death (DCD) and donation after brain death (DBD) grafts with the novel Comprehensive Complication Index (CCI). BACKGROUND: LT is complex surgery and the increasing use of high-risk grafts is pressuring current postoperative outcomes. DCD grafts in particular are associated with ischemic-type biliary lesions (ITBL) with subsequent impaired graft survival rates...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28742013/first-canadian-experience-with-donation-after-cardiac-death-simultaneous-pancreas-and-kidney-transplants
#14
Patrick T Anderson, Shahid Aquil, Kelly McLean, Vivian C McAlister, Alp Sener, Patrick P Luke
BACKGROUND: Compared with neurologic determination of death (NDD) donor organs, donation after cardiac death (DCD) donor organs have traditionally been considered of inferior quality owing to warm ischemia experienced during procurement. We present, to our knowledge, the first analysis of simultaneous pancreas and kidney (SPK) transplants using DCD donor organs in Canada. METHODS: We carried out a retrospective cohort study of SPK transplants from 13 DCD and 68 NDD donors performed between October 2008 and July 2016...
August 1, 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28736011/pediatric-donor-to-adult-recipients-in-donation-after-cardiac-death-liver-transplantation-a-single-center-experience
#15
C Lan, J L Song, L N Yan, J Y Yang, T F Wen, B Li, M Q Xu
BACKGROUND: The impact of using liver allografts from donors who are younger than 14 years at the time of donation after cardiac death (DCD) liver transplantation in terms of early allograft dysfunction (EAD) and graft survival is undefined. To determine if adults undergoing DCD liver transplantation who receive a graft from a donor age younger than or equal to 13 years have similar outcomes to recipients of organs from older than 18-year-old donors. METHODS: Records from adult patients undergoing DCD liver transplantation between March 2012 and December 2015 who received whole grafts from donors after cardiac death were reviewed...
July 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28730904/occupational-therapists-awareness-of-guidelines-for-assessment-and-diagnosis-of-developmental-coordination-disorder-mesure-selon-laquelle-les-ergoth%C3%A3-rapeutes-connaissent-les-lignes-directrices-relatives-%C3%A3-l-%C3%A3-valuation-et-au-diagnostic-du-trouble-du-d%C3%A3-veloppement
#16
Morgan Karkling, Alissa Paul, Jill G Zwicker
BACKGROUND: Developmental coordination disorder (DCD) is a motor skills disorder that can have negative lifelong psychosocial impacts if not diagnosed. Occupational therapists have a role in facilitating a diagnosis for children with DCD through assessment. PURPOSE: The purpose of this study was to determine the level of understanding of current DCD guidelines for assessment and diagnosis among occupational therapists working in paediatric settings in British Columbia, Canada...
June 2017: Canadian Journal of Occupational Therapy. Revue Canadienne D'ergothérapie
https://www.readbyqxmd.com/read/28729658/differential-control-of-dntp-biosynthesis-and-genome-integrity-maintenance-by-the-dutpase-superfamily-enzymes
#17
Rita Hirmondo, Anna Lopata, Eva Viola Suranyi, Beata G Vertessy, Judit Toth
dUTPase superfamily enzymes generate dUMP, the obligate precursor for de novo dTTP biosynthesis, from either dUTP (monofunctional dUTPase, Dut) or dCTP (bifunctional dCTP deaminase/dUTPase, Dcd:dut). In addition, the elimination of dUTP by these enzymes prevents harmful uracil incorporation into DNA. These two beneficial outcomes have been thought to be related. Here we determined the relationship between dTTP biosynthesis (dTTP/dCTP balance) and the prevention of DNA uracilation in a mycobacterial model that encodes both the Dut and Dcd:dut enzymes, and has no other ways to produce dUMP...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28726360/machine-perfusion-in-liver-transplantation-an-essential-treatment-or-just-an-expensive-toy
#18
Andrea A Schlegel, Marit Kalisvaart, Paolo Muiesan
This review focuses on recent developments in preservation techniques in liver transplantation. First, we discuss mechanisms of organ injury when using high-risk organs, including DCD and steatotic grafts and we summarize pathways of ischemia reperfusion injury together with their link to the immune response. Second, we report on improvement strategies of marginal liver grafts by different machine perfusion concepts and summarize perfusion approaches with recent clinical implementation.
July 20, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28725201/nature-and-specificity-of-gestural-disorder-in-children-with-developmental-coordination-disorder-a-multiple-case-study
#19
Orianne Costini, Arnaud Roy, Chrystelle Remigereau, Sylvane Faure, Catherine Fossoud, Didier Le Gall
Aim: Praxis assessment in children with developmental coordination disorder (DCD) is usually based on tests of adult apraxia, by comparing across types of gestures and input modalities. However, the cognitive models of adult praxis processing are rarely used in a comprehensive and critical interpretation. These models generally involve two systems: a conceptual system and a production system. Heterogeneity of deficits is consistently reported in DCD, involving other cognitive skills such as executive or visual-perceptual and visuospatial functions...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28722418/urine-metabonomics-reveals-early-biomarkers-in-diabetic-cognitive-dysfunction
#20
Lili Song, Pengwei Zhuang, Mengya Lin, Mingqin Kang, Hongyue Liu, Yuping Zhang, Zhen Yang, Yunlong Chen, Yanjun Zhang
Recently, increasing attention has been paid to diabetic encephalopathy which is one of frequent diabetic complications and affects nearly 30% diabetics. Since cognitive dysfunction from diabetic encephalopathy might develop irreversible dementia, early diagnosis and detection of this disease is of great significance for its prevention and treatment. This study is to investigate the early specific metabolites biomarkers in the urine prior to the onset of diabetic cognitive dysfunction (DCD) by using metabolomics technology...
July 19, 2017: Journal of Proteome Research
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