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https://www.readbyqxmd.com/read/28222170/biomechanical-investigation-of-two-plating-systems-for-medial-column-fusion-in-foot
#1
Paul Simons, Theresia Sommerer, Ivan Zderic, Dieter Wahl, Mark Lenz, Hristo Skulev, Matthias Knobe, Boyko Gueorguiev, R Geoff Richards, Kajetan Klos
BACKGROUND: Arthrodesis of the medial column (navicular, cuneiform I and metatarsal I) is performed for reasons such as Charcot arthropathy, arthritis, posttraumatic reconstruction or severe pes planus. However, the complication rate is still high and mainly resulting from inadequate fixation. Special plates, designed for medial column arthrodesis, seem to offer potential to reduce the complication rate. The aim of this study was to investigate biomechanically plantar and dorsomedial fusion of the medial column using two new plating systems...
2017: PloS One
https://www.readbyqxmd.com/read/28221721/esogastric-pressure-measurement-to-assist-noninvasive-ventilation-indication-and-settings-in-infants-with-hypercapnic-respiratory-failure-a-pilot-study
#2
Guillaume Mortamet, Sonia Khirani, Alessandro Amaddeo, Guillaume Emeriaud, Sylvain Renolleau, Brigitte Fauroux
OBJECTIVE: Noninvasive ventilation (NIV) in usually set on clinical parameters. The aim of the study was to assess the value of esophageal (PES ) and gastric pressure (PGAS ) measurements for the indication and optimal settings of NIV in infants with hypercapnic respiratory failure in whom the efficacy of NIV was uncertain on clinical noninvasive parameters. DESIGN: A retrospective study. PATIENT-SUBJECT SELECTION: PES and PGAS measurements were performed in seven infants <2 years old admitted in the Pediatric Intensive Care Unit for an acute or acute-on-chronic hypercapnic respiratory failure...
February 21, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28219782/characterization-of-phospholipid-nitroxidation-by-lc-ms-in-biomimetic-models-and-in-h9c2-myoblast-using-a-lipidomic-approach
#3
Tânia Melo, Pedro Domingues, Teresa M Ribeiro-Rodrigues, Henrique Girão, Marcela A Segundo, M Rosário M Domingues
Under nitroxidative stress conditions, lipids are prone to be modified by reaction with reactive nitrogen species (RNS) and different modifications were reported to occur in fatty acids. However, in the case of phospholipids (PL) studied under nitroxidative stress conditions, only nitroalkene derivatives of phosphatidylcholine (PC) and phosphatidylethanolamine (PE), were reported when using both in vitro biomimetic conditions and in vivo model system of type 1 diabetes mellitus. Therefore, in order to further explore other nitroxidative modifications of PL, a biomimetic model of nitroxidation combined with liquid chromatography mass spectrometry (MS) and MS/MS approaches were used to characterize the nitrated and nitroxidized derivatives of PCs and PEs...
February 17, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28217883/clinical-and-radiographic-outcome-following-immediate-loading-and-delayed-loading-of-single-tooth-implants-randomized-clinical-trial
#4
Björn Gjelvold, Jenö Kisch, Bruno Ramos Chrcanovic, Tomas Albrektsson, Ann Wennerberg
BACKGROUND: Immediate loading of single implants is generally considered a reliable procedure. PURPOSE: The objective of the present prospective randomized clinical study was to compare the overall treatment outcome following immediate loading (IL) and delayed loading (DL) of single implants after 1 year of follow-up. MATERIALS AND METHODS: Patients with a missing maxillary tooth (15-25) were randomly assigned to IL or DL. The protocol included implant installation in healed sites, immediate loading, delayed loading, temporary screw-retained restoration, and replacement with a permanent single implant crown...
February 19, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28217595/impact-of-pre-hospital-care-on-the-outcome-of-children-arriving-with-agonal-breathing-to-a-pediatric-emergency-service-in-south-india
#5
Debasis Das Adhikari, Krishna Mahathi, Urmi Ghosh, Indira Agarwal, Anila Chacko, Ebor Jacob, Kala Ebenezer
BACKGROUND: Data on the prehospital interventions received by critically ill children at arrival to Paediatric Emergency Services (PES) is limited in developing countries. This study aims to describe the pre-hospital care scenario, transport and their impact on outcome in non-traumatic, acutely ill children presenting in PES with agonal breathing. METHODS: Prospective observational study done on children aged below 15 years arriving in PES with agonal breathing due to non-trauma related causes...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28214497/incidence-of-pulmonary-embolism-in-patients-with-isolated-calf-deep-vein-thrombosis
#6
REVIEW
Alvin R Wu, Jonah Garry, Nicos Labropoulos
BACKGROUND: The severity of pulmonary embolism (PE) after isolated calf deep vein thrombosis (C-DVT) is controversial, which leads to inconsistent clinical decision making when treating C-DVT. This systematic review assessed PE frequency and severity in patients with C-DVT. METHODS: Database searches were completed using MEDLINE and Scopus along with cross-referencing. Two independent reviewers used using rigorous inclusion and exclusion criteria to screen the papers...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28209339/vitamin-e-stabilized-highly-crosslinked-polyethylenes-the-role-and-effectiveness-in-total-hip-arthroplasty
#7
Kengo Yamamoto, Toshiyuki Tateiwa, Yasuhito Takahashi
Morphology and design of ultra-high molecular weight polyethylene (UHMWPE or simply PE) acetabular components used in total hip arthroplasty (THA) have been evolving for more than half a century. Since the late-1990s, there were two major technological innovations in PE emerged from necessity to overcome the wear-induced periprosthetic osteolysis, i.e., the development of highly crosslinked PEs (HXLPEs). There are many literature reporting that radiation crosslinked and remelted/annealed (first-generation) HXLPEs markedly reduced the incidence of osteolysis and aseptic loosening...
February 10, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28209273/venous-thromboembolic-disease-in-revision-vs-primary-total-knee-arthroplasty
#8
Matthew R Boylan, Dean C Perfetti, Bhaveen H Kapadia, Ronald E Delanois, Carl B Paulino, Michael A Mont
BACKGROUND: Venous thromboembolic disease (VTED) is a serious complication of primary and revision total knee arthroplasty (TKA). However, the incidence and risk of VTED for revision compared with primary TKA cases have not been well-described. METHODS: We identified 225,584 TKAs (208,954 primaries, 16,630 revisions) in the 2003-2012 Statewide Planning and Research Cooperative System database. Odds ratios (ORs) expressed the risk of VTED for revision vs primary TKA, and models were adjusted for age, gender, race, and Charlson comorbidity scores...
January 11, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28204944/photodissociation-of-fono-an-excited-state-nonadiabatic-dynamics-study
#9
Allaa R Hilal, Rifaat Hilal
The photo dissociation of nitrosyl fluorite, FONO, a potential source of atmospheric fluorine, underlies its active role in ozone depletion and other activities in the troposphere. In the present work, the electronic structure of FONO is revisited at high level of ab initio and density functional theory (DFT) theoretical levels. Several different post SCF methods were used to compute excited states, vertical excitation energies and intensities, namely configuration interaction with single excitations (CIS), equation of motion coupled cluster with single and double excitations (EOM-CCSD), and symmetry adopted cluster configuration interaction (SAC-CI) methods...
March 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28202317/application-of-time-of-flight-mass-spectrometry-for-screening-of-crude-glycerins-for-toxic-phorbol-ester-contaminants
#10
Kithsiri Herath, Lauren Girard, Renate Reimschuessel, Hiranthi Jayasuriya
Since 2007, the U.S. Food and Drug Administration (FDA) has received numerous complaints of pet illnesses that may be related to the consumption of jerky pet treats. Many of those treats include glycerin as an ingredient. Glycerin can be made directly from oils such as palm seed oil, but can also be derived from the seed oil of toxic Jatropha plant during biodiesel production. If crude glycerin from biodiesel production from Jatropha curcas is used in the manufacture of animal feed, toxic tigliane diterpene phorbol esters (PEs), namely Jatropha factors (JFs), may be present and could lead to animal illnesses...
January 10, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28199110/kinetics-of-hydrogen-abstraction-and-addition-reactions-of-3-hexene-by-%C3%A8-h-radicals
#11
Feiyu Yang, Fuquan Deng, Youshun Pan, Yingjia Zhang, Chenglong Tang, Zuohua Huang
Rate coefficients of H-atom abstraction and H-atom addition reactions of 3-hexene by the hydroxyl radicals were determined using both conventional transition-state theory and canonical variational transition-state theory, with potential energy surface (PES) evaluated at the CCSD(T)/CBS//BHandHLYP/6-311G (d, p) level and quantum mechanical effect corrected by the compounded methods including one-dimensional Wigner method, multi-dimensional zero-curvature tunneling method and small-curvature tunneling method...
February 15, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28196712/ipomoea-pes-caprae-l-r-br-convolvulaceae-as-a-topical-herbal-medicine-to-relieve-pain-and-inflammation-promising-tool-against-effects-due-to-toxin-skin-contact
#12
Cristiane da Silva Barth, Hugo Guilherme Tolentino de Souza, Lilian W Rocha, Gislaine Francieli da Silva, Mariana Ferreira Dos Anjos, Veronica D'Avila Pastor, Tania Mari Belle Bresolin, Angelica Garcia Couto, José Roberto Santin, Nara Lins Meira Quintão
ETHNOPHARMACOLOGICAL RELEVANCE: Ipomoea pes-caprae is known as bayhops, beach morning glory or goat's foot, and in Brazil as salsa-de-praia. Its leaves are used in worldwide folk medicine for the relief of jellyfish-stings symptoms. The literature only reports the anti-inflammatory and neutralizing effects of a nonpolar plant derived, without validating the popular use or exploring the mechanism of action. AIM OF THE STUDY: This study aimed to evaluate and validate the topical effects of a semisolid containing hydroethanolic extract obtained from the aerial parts of I...
February 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28195468/structural-distortions-accompanying-noncovalent-interactions-methane-water-the-simplest-c-h-hydrogen-bond
#13
Herzain I Rivera-Arrieta, Justin M Turney, Henry F Schaefer
Neglect of fragment structural distortions resulting from noncovalent interactions is a common practice when examining a potential energy surface (PES). Herein, we make quantitative predictions concerning the magnitude of such distortions in the methane-water system. Coupled cluster methods up to perturbative quadruples [CCSDT(Q)] were used in the structural optimizations to the complete basis set limit (using up to cc-pV6Z basis sets). Our results show that the interaction energy differences between the fully optimized and nonoptimized structures are on the order of 0...
February 14, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28192361/synthesis-and-performance-of-antifouling-and-self-cleaning-polyethersulfone-graphene-oxide-composite-membrane-functionalized-with-photoactive-semiconductor-catalyst
#14
Nadir Dizge, Hakan Gonuldas, Yasin Ozay, Hasan Ates, Kasim Ocakoglu, Ersan Harputlu, Saadet Yildirimcan, Ali Unyayar
This study was performed to synthesize membranes of polyethersulfone (PES) blended with graphene oxide (GO) and PES blended with GO functionalized with photoactive semiconductor catalyst (TiO2 and ZnO). The antifouling and self-cleaning properties of composite membranes were also investigated. The GO was prepared from natural graphite powder by oxidation method at low temperature. TiO2 and ZnO nanopowders were synthesized by anhydrous sol-gel method. The surface of TiO2 and ZnO nanopowders was modified by a surfactant (myristic acid) to obtain a homogeneously dispersed mixture in a solvent, and then GO was functionalized by loading with these metal oxide nanopowders...
February 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28191875/clinical-outcomes-with-the-stentys-self-apposing-coronary-stent-in-patients-presenting-with-st-segment-elevation-myocardial-infarction-2-year-insights-from-the-appostion-iii-a-post-market-registry-to-assess-the-stentys-self-expanding-coronary-stent-in-acute
#15
Huangling Lu, Maik J Grundeken, Nicola S Vos, Alexander J J Ijsselmuiden, Robert-Jan van Geuns, Rainer Wessely, Thomas Dengler, Alessio La Manna, Johanne Silvain, Gilles Montalescot, René Spaargaren, Jan G P Tijssen, Giovanni Amoroso, Robbert J de Winter, Karel T Koch
AIMS: The APPOSITION III registry evaluated the feasibility and performance of the STENTYS self- apposing stent in a ST-segment elevation myocardial infarction (STEMI) population. This novel self- apposing stent device lowers stent strut malapposition rates and therefore bears the potential to prevent stent undersizing during primary percutaneous coronary intervention (PCI) in STEMI patients. Up to date, no long-term data is available using this device in the setting of STEMI. We aimed to evaluate long-term clinical outcomes of the APPOSITION III registry...
February 14, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28187656/caddisflies-insecta-trichoptera-from-maranh%C3%A3-o-state-northeast-region-brazil-a-new-species-checklist-and-new-geographical-records
#16
Gleison Robson Desidério, Patrik Barcelos-Silva, Wagner Rafael M DE Souza, Ana Maria Pes, Carlos Augusto S DE Azevêdo
In order to improve knowledge of Trichoptera diversity in Northeast Region, Brazil, we present here the first checklist of caddisflies from Maranhão State with a description of a new species and geographical records for the Northeast Region and for all of Brazil. Collections were made in 16 sites distributed in three municipalities of Maranhão State. A total of 54 caddisflies species, 26 genera and 10 families were recorded, including one new species of Leptoceridae, Triplectides maranhensis sp. nov., which is described and illustrated...
January 17, 2017: Zootaxa
https://www.readbyqxmd.com/read/28187260/mp4-study-of-the-anharmonic-coupling-of-the-shared-proton-stretching-vibration-of-the-protonated-water-dimer-in-equilibrium-and-transition-states
#17
George Pitsevich, Alexander Malevich, Ekaterina Kozlovskaya, Ekaterina Mahnach, Iryna Doroshenko, Valeriy Pogorelov, Lars G M Pettersson, Valdas Sablinskas, Vytautas Balevicius
The structure and harmonic- and anharmonic IR spectra of the protonated water dimer (PWD) were calculated in C1, C2 and CS symmetry at the MP4/acc-pVTZ level of theory. We found that structure and IR spectra are practically identical in C2 and C1 symmetry demonstrating that an equilibrium С1 configuration of the PWD is not realized. Anharmonic coupling of the shared proton stretching vibration with all other modes in the PWD in C2 and CS symmetry was the focus of this investigation. For this purpose 28 two-dimensional potential energy surfaces (2D PES) were built at the MP4/acc-pVTZ level of theory and the corresponding vibrational Schrödinger equations were solved using the DVR method...
February 10, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28186424/defining-local-nerve-blocks-for-feline-distal-pelvic-limb-surgery-a-cadaveric-study
#18
Masataka Enomoto, B Duncan X Lascelles, Mathew P Gerard
Objectives Anatomical and methodological detail is lacking regarding local anesthetic peripheral nerve block techniques for distal pelvic limb surgery in cats. The aim of this study was to develop, describe and test nerve block methods based on cadaveric dissections and dye injections. Methods Ten pairs of feline pelvic limbs (n = 20) were dissected and the tibial nerve (T n.), common fibular (peroneal) nerve (CF n., and its two branches, the superficial fibular [peroneal] nerve [SpF n.] and the deep fibular [peroneal] nerve [DpF n...
February 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28186190/chemical-modification-of-graphene-oxide-by-nitrogenation-an-x-ray-absorption-and-emission-spectroscopy-study
#19
Cheng-Hao Chuang, Sekhar C Ray, Debarati Mazumder, Surbhi Sharma, Abhijit Ganguly, Pagona Papakonstantinou, Jau-Wern Chiou, Huang-Ming Tsai, Hung-Wei Shiu, Chia-Hao Chen, Hong-Ji Lin, Jinghua Guo, Way-Faung Pong
Nitrogen-doped graphene oxides (GO:Nx) were synthesized by a partial reduction of graphene oxide (GO) using urea [CO(NH2)2]. Their electronic/bonding structures were investigated using X-ray absorption near-edge structure (XANES), valence-band photoemission spectroscopy (VB-PES), X-ray emission spectroscopy (XES) and resonant inelastic X-ray scattering (RIXS). During GO:Nx synthesis, different nitrogen-bonding species, such as pyrrolic/graphitic-nitrogen, were formed by replacing of oxygen-containing functional groups...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28182859/radiographic-study-of-pes-planovarus
#20
Janic Aebi, Monika Horisberger, Arno Frigg
BACKGROUND: Depending on the direction of the subtalar joint, a foot deformity generally tends towards pronation (pes planovalgus) or supination (pes cavovarus). However, the combination of hindfoot varus and flat midfoot/forefoot (pes planovarus) is an exception to this rule. Pes planovarus has so far only been referred to in connection with Müller-Weiss disease and congenital disease. We diagnosed pes planovarus in otherwise healthy patients without these diseases. METHODS: Forty patients with 54 symptomatic feet who were treated between August 2012 and July 2016 were included (mean age, 44...
February 1, 2017: Foot & Ankle International
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