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https://www.readbyqxmd.com/read/28326442/long-term-follow-up-of-a-non-randomised-prospective-cohort-of-one-hundred-and-ninety-two-total-knee-arthroplasties-using-the-nexgen-implant
#1
Alfredo Schiavone Panni, Franceso Falez, Rocco D'Apolito, Katia Corona, Carlo Perisano, Michele Vasso
PURPOSE: The purpose of this study was to retrospectively analyse the clinical, functional and radiological outcomes, and the long-term survivorship of the NexGen Legacy Posterior Stabilised (LPS) knee prosthesis (Zimmer Biomet, Warsaw, IN, USA). METHODS: Between 1996 and 2001, 197 primary NexGen LPS total knee arthroplasties (TKAs) were implanted by a single surgeon; 132 prostheses in 124 patients with a minimum follow-up of 15 years were included in the study...
March 22, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28320688/implementation-of-a-home-monitoring-system-for-heart-failure-patients-a-feasibility-study
#2
Martin Steven Kohn, Jeffrey Haggard, Jack Kreindler, Kade Birkeland, Ilan Kedan, Raymond Zimmer, Raj Khandwalla
BACKGROUND: Improving the management of patients with complex chronic disease is a substantial undertaking with the simultaneous goals of improving patient outcomes and controlling costs. Reducing avoidable hospitalization for such patients is a step toward both objectives. Some of the deterioration experienced in chronic disease patients occurs outside the view of their clinicians, and before the patient becomes overtly symptomatic. Home monitoring has been used for more than 20 years to detect deterioration earlier so that the patients could be treated before they became ill enough to require hospitalization...
March 20, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28306280/search-for-cosmic-ray-electron-and-positron-anisotropies-with-seven-years-of-fermi-large-area-telescope-data
#3
S Abdollahi, M Ackermann, M Ajello, A Albert, W B Atwood, L Baldini, G Barbiellini, R Bellazzini, E Bissaldi, E D Bloom, R Bonino, E Bottacini, T J Brandt, P Bruel, S Buson, M Caragiulo, E Cavazzuti, A Chekhtman, S Ciprini, F Costanza, A Cuoco, S Cutini, F D'Ammando, F de Palma, R Desiante, S W Digel, N Di Lalla, M Di Mauro, L Di Venere, B Donaggio, P S Drell, C Favuzzi, W B Focke, Y Fukazawa, S Funk, P Fusco, F Gargano, D Gasparrini, N Giglietto, F Giordano, M Giroletti, D Green, S Guiriec, A K Harding, T Jogler, G Jóhannesson, T Kamae, M Kuss, S Larsson, L Latronico, J Li, F Longo, F Loparco, P Lubrano, J D Magill, D Malyshev, A Manfreda, M N Mazziotta, M Meehan, P F Michelson, W Mitthumsiri, T Mizuno, A A Moiseev, M E Monzani, A Morselli, M Negro, E Nuss, T Ohsugi, N Omodei, D Paneque, J S Perkins, M Pesce-Rollins, F Piron, G Pivato, G Principe, S Rainò, R Rando, M Razzano, A Reimer, O Reimer, C Sgrò, D Simone, E J Siskind, F Spada, G Spandre, P Spinelli, A W Strong, H Tajima, J B Thayer, D F Torres, E Troja, J Vandenbroucke, G Zaharijas, S Zimmer
The Large Area Telescope on board the Fermi Gamma-ray Space Telescope has collected the largest ever sample of high-energy cosmic-ray electron and positron events since the beginning of its operation. Potential anisotropies in the arrival directions of cosmic-ray electrons or positrons could be a signature of the presence of nearby sources. We use almost seven years of data with energies above 42 GeV processed with the Pass 8 reconstruction. The present data sample can probe dipole anisotropies down to a level of 10^{-3}...
March 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28306263/-pseudodistomin-e-first-asymmetric-synthesis-and-absolute-configuration-assignment
#4
Stephen G Davies, Ai M Fletcher, Paul M Roberts, James E Thomson, David Zimmer
(-)-Pseudodistomin E has been prepared for the first time, allowing its structure and absolute configuration to be confirmed. The established conjugate addition of lithium (S)-N-allyl-N-(α-methyl-p-methoxybenzyl)amide to methyl (E,E)-hepta-2,5-dienoate generated the C(2)-stereocenter, and iodolactonisation of a derivative generated the remaining two stereogenic centers. Ensuing iodide displacement was achieved using a tethering strategy, to introduce the nitrogen atom to C(5). Decarboxylative coupling of a carboxylic acid with a dialkylzinc reagent completed construction of the tridecadienyl chain...
March 17, 2017: Organic Letters
https://www.readbyqxmd.com/read/28303601/novel-biopsy-forceps-anchoring-technique-for-completion-of-direct-cholangioscopy-after-freehand-intubation
#5
V Zimmer
The widespread dissemination of direct cholangioscopy (DC) has been hindered by the need for special equipment and the perceived high procedure-related technical complexity. DC with freehand intubation has been reported to have high technical success rates in a single report, albeit the pervasive expert opinion question its clinical applicability, thus most centers resort to anchoring techniques for intubation and/or scope advancement.[1] However, although newer anchoring balloons are being developed, first-generation balloons have been withdrawn from the market...
March 16, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28300715/operative-learning-curve-after-transition-to-endoscopic-transsphenoidal-pituitary-surgery
#6
Tasneem Shikary, Norberto Andaluz, Jareen Meinzen-Derr, Collin Edwards, Philip Theodosopoulos, Lee A Zimmer
OBJECTIVES: No clear consensus yet defines the endpoints for operative learning curves in the transition to minimally invasive endoscopic techniques. This retrospective review of our first 202 patients who underwent endoscopic pituitary resection examines the statistical learning curve related to operative times--a measure of our surgical team's efficiency and complication rates, a reflection of surgical skill and maturity. METHODS: Retrospective chart review included patient demographics, tumor type, operative times, complication rates, and follow-up...
March 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28300040/spin-liquid-and-infinitesimal-disorder-driven-cluster-spin-glass-in-the-kagome-lattice
#7
M Schmidt, F M Zimmer, S G Magalhaes
The interplay between geometric frustration (GF) and bond disorder is studied in the Ising kagome lattice within a cluster approach. The model considers antiferromagnetic short-range couplings and long-range intercluster disordered interactions. The replica formalism is used to obtain an effective single cluster model from where the thermodynamics is analyzed by exact diagonalization. We found that the presence of GF can introduce cluster freezing at very low levels of disorder. The system exhibits an entropy plateau followed by a large entropy drop close to the freezing temperature...
March 16, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28295666/impact-of-diet-composition-and-temperature-humidity-index-on-water-and-dry-matter-intake-of-high-yielding-dairy-cows
#8
S Ammer, C Lambertz, D von Soosten, K Zimmer, U Meyer, S Dänicke, M Gauly
The temperature-humidity index (THI) is widely used to characterize heat stress in dairy cattle. Diet composition is known to induce variation in metabolic-associated heat production. However, the relationships between THI and diet are poorly characterized with regard to performance and intake behaviour. Therefore, the objectives were to evaluate the impact of THI on water intake (WI), dry matter intake (DMI) and the frequency of drinking and feeding bouts in lactating dairy cows offered four dietary treatments: each contained 20% grass silage and additionally (i) 20% maize silage, 60% concentrate (M-HC); (ii) 60% maize silage, 20% concentrate (M-LC); (iii) 20% pressed beet pulp silage, 60% concentrate (BPS-HC); or (iv) 60% pressed beet pulp silage, 20% concentrate (BPS-LC) (DM basis)...
March 15, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28279987/risk-of-thrombus-fragmentation-during-endovascular-stroke-treatment
#9
J Kaesmacher, T Boeckh-Behrens, S Simon, C Maegerlein, J F Kleine, C Zimmer, L Schirmer, H Poppert, T Huber
BACKGROUND AND PURPOSE: Periprocedural thrombus fragmentation is a relevant risk in endovascular stroke treatment. Because factors influencing its occurrence are largely unknown, this study addresses a potential relationship between thrombus histology and clot stability. MATERIALS AND METHODS: Eighty-five patients with anterior circulation stroke treated with thrombectomy were included in this retrospective study. The number and location of emboli after retrieving the primary thrombus, the number of maneuvers, and TICI scores were evaluated...
March 9, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28277735/the-core-symptoms-of-bulimia-nervosa-anxiety-and-depression-a-network-analysis
#10
Cheri A Levinson, Stephanie Zerwas, Benjamin Calebs, Kelsie Forbush, Hans Kordy, Hunna Watson, Sara Hofmeier, Michele Levine, Ross D Crosby, Christine Peat, Cristin D Runfola, Benjamin Zimmer, Markus Moesner, Marsha D Marcus, Cynthia M Bulik
Bulimia nervosa (BN) is characterized by symptoms of binge eating and compensatory behavior, and overevaluation of weight and shape, which often co-occur with symptoms of anxiety and depression. However, there is little research identifying which specific BN symptoms maintain BN psychopathology and how they are associated with symptoms of depression and anxiety. Network analyses represent an emerging method in psychopathology research to examine how symptoms interact and may become self-reinforcing. In the current study of adults with a Diagnostic and Statistical Manual for Mental Disorders-Fourth Edition (DSM-IV) diagnosis of BN (N = 196), we used network analysis to identify the central symptoms of BN, as well as symptoms that may bridge the association between BN symptoms and anxiety and depression symptoms...
March 9, 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/28274849/patient-age-sex-and-inflammatory-bowel-disease-phenotype-associate-with-course-of-primary-sclerosing-cholangitis
#11
Tobias J Weismüller, Palak J Trivedi, Annika Bergquist, Mohamad Imam, Henrike Lenzen, Cyriel Y Ponsioen, Kristian Holm, Daniel Gotthardt, Martti A Färkkilä, Hanns-Ulrich Marschall, Douglas Thorburn, Rinse K Weersma, Johan Fevery, Tobias Mueller, Olivier Chaouillères, Kornelius Schulze, Konstantinos N Lazaridis, Sven Almer, Stephen P Pereira, Cynthia Levy, Andrew Mason, Sigrid Naess, Christopher L Bowlus, Annarosa Floreani, Emina Halilbasic, Kidist K Yimam, Piotr Milkiewicz, Ulrich Beuers, Dep K Huynh, Albert Pares, Christine N Manser, George N Dalekos, Bertus Eksteen, Pietro Invernizzi, Christoph P Berg, Gabi I Kirchner, Christoph Sarrazin, Vincent Zimmer, Luca Fabris, Felix Braun, Marco Marzioni, Brian D Juran, Karouk Said, Christian Rupp, Kalle Jokelainen, Maria Benito de Valle, Francesca Saffioti, Angela Cheung, Michael Trauner, Christoph Schramm, Roger W Chapman, Tom H Karlsen, Erik Schrumpf, Christian P Strassburg, Michael P Manns, Keith D Lindor, Gideon M Hirschfield, Bettina E Hansen, Kirsten M Boberg
BACKGROUND & AIMS: Primary sclerosing cholangitis (PSC) is an orphan hepatobiliary disorder associated with inflammatory bowel disease (IBD). We aimed to estimate the risk of disease progression based on distinct clinical phenotypes in a large, international cohort of patients with PSC. METHODS: We performed a retrospective outcome analysis of patients diagnosed with PSC from 1980 through 2010 at 37 centers in Europe, North America, and Australia. For each patient, we collected data on sex, clinician-reported age at and date of PSC and IBD diagnoses, phenotypes of IBD and PSC, and date and indication of IBD-related surgeries...
March 5, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28273870/a-high-fiber-cookie-made-with-resistant-starch-type-4-reduces-post-prandial-glucose-and-insulin-responses-in-healthy-adults
#12
Maria L Stewart, J Paul Zimmer
Distarch phosphate is a resistant starch type 4 (RS4) containing phosphodiester cross-links within and between starch molecules. This study examined the glycemic effects of VERSAFIBE 1490™ resistant starch, a distarch phosphate derived from potato, containing 90% total dietary fiber (TDF, AOAC 991.43 method). In this double-blind, randomized, placebo-controlled, cross-over study, 28 healthy adults consumed a cookie containing 24 g fiber from distarch phosphate (fiber cookie) or a control cookie containing 0...
March 5, 2017: Nutrients
https://www.readbyqxmd.com/read/28271402/cortical-bilateral-adaptations-in-rats-submitted-to-focal-cerebral-ischemia-emphasis-on-glial-metabolism
#13
Yasmine Nonose, Pedro E Gewehr, Roberto F Almeida, Jussemara S da Silva, Bruna Bellaver, Leo A M Martins, Eduardo R Zimmer, Samuel Greggio, Gianina T Venturin, Jaderson C Da Costa, André Quincozes-Santos, Luc Pellerin, Diogo O de Souza, Adriano M de Assis
This study was performed to evaluate the bilateral effects of focal permanent ischemia (FPI) on glial metabolism in the cerebral cortex. Two and 9 days after FPI induction, we analyze [(18)F]FDG metabolism by micro-PET, astrocyte morphology and reactivity by immunohistochemistry, cytokines and trophic factors by ELISA, glutamate transporters by RT-PCR, monocarboxylate transporters (MCTs) by western blot, and substrate uptake and oxidation by ex vivo slices model. The FPI was induced surgically by thermocoagulation of the blood in the pial vessels of the motor and sensorimotor cortices in adult (90 days old) male Wistar rats...
March 7, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28271328/intraprocedural-thrombus-fragmentation-during-interventional-stroke-treatment-a-comparison-of-direct-thrombus-aspiration-and-stent-retriever-thrombectomy
#14
Christian Maegerlein, Sascha Prothmann, Kristin Elizabeth Lucia, Claus Zimmer, Benjamin Friedrich, Johannes Kaesmacher
PURPOSE: The aim of this study was to compare the rates of intraprocedural thrombus fragmentation between the exclusive thrombus aspiration technique (ADAPT) and the use of stent retrievers. MATERIALS AND METHODS: Cases with successful recanalization of the primary occlusion site (POS) with either of the techniques were analyzed (n = 36 ADAPT, n = 61 stent retriever). The primary endpoint was the evaluation of intraprocedural thrombus fragmentation before applying additional maneuvers to enhance reperfusion success...
March 7, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28270142/dynamic-proteomics-reveals-bimodal-protein-dynamics-of-cancer-cells-in-response-to-hsp90-inhibitor
#15
Anat Zimmer, Shlomit Amar-Farkash, Tamar Danon, Uri Alon
BACKGROUND: Drugs often kill some cancer cells while others survive. This stochastic outcome is seen even in clonal cells grown under the same conditions. Understanding the molecular reasons for this stochastic outcome is a current challenge, which requires studying the proteome at the single cell level over time. In a previous study we used dynamic proteomics to study the response of cancer cells to a DNA damaging drug, camptothecin. Several proteins showed bimodal dynamics: they rose in some cells and decreased in others, in a way that correlated with eventual cell fate: death or survival...
March 7, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/28268250/antioxidant-effect-of-thiazolidine-molecules-in-cell-culture-media-improves-stability-and-performance
#16
Jennifer Kuschelewski, Alisa Schnellbaecher, Sascha Pering, Maria Wehsling, Aline Zimmer
The ability of cell culture media components to generate reactive species as well as their sensitivity to oxidative degradation, affects the overall stability of media and the behavior of cells cultured in vitro. This study investigates the influence of thiazolidine molecules, formed from the condensation between cysteine and alpha-ketoacids, on the stability of these complex mixtures and on the performance of cell culture processes aiming to produce therapeutically relevant monoclonal antibodies. Results presented in this study indicate that 2-methyl-1,3-thiazolidine-2,4-dicarboxylic acid and 2-(2-carboxyethyl)-1,3-thiazolidine-2,4-dicarboxylic acid, obtained by condensation of cysteine with pyruvate or alpha-ketoglutarate respectively, are able to stabilize cell culture media formulations, in particular redox sensitive molecules like folic acid, thiamine, L-methionine (met) and L-tryptophan (trp)...
March 7, 2017: Biotechnology Progress
https://www.readbyqxmd.com/read/28265933/enthusiastische-aufforderung-zur-digitalen-untersuchung
#17
Herbert Zimmer
No abstract text is available yet for this article.
March 2017: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/28263380/a-global-database-of-nitrogen-and-phosphorus-excretion-rates-of-aquatic-animals
#18
Michael J Vanni, Peter B McIntyre, Dennis Allen, Diane L Arnott, Jonathan P Benstead, David J Berg, Åge Brabrand, Sébastien Brosse, Paul A Bukaveckas, Adriano Caliman, Krista A Capps, Luciana S Carneiro, Nanette E Chadwick, Alan D Christian, Andrew Clarke, Joseph D Conroy, Wyatt F Cross, David A Culver, Christopher M Dalton, Jennifer A Devine, Leah M Domine, Michelle A Evans-White, Bjørn A Faafeng, Alexander S Flecker, Keith B Gido, Claire Godinot, Rafael D Guariento, Susanne Haertel-Borer, Robert O Hall, Raoul Henry, Brian R Herwig, Brendan J Hicks, Karen A Higgins, James M Hood, Matthew E Hopton, Tsutomu Ikeda, William F James, Henrice M Jansen, Cody R Johnson, Benjamin J Koch, Gary A Lamberti, Stephanie Lessard-Pilon, John C Maerz, Martha E Mather, Ryan A McManamay, Joseph R Milanovich, Dai K J Morgan, Jennifer M Moslemi, Rahmat Naddafi, Jens Petter Nilssen, Marc Pagano, Alberto Pilati, David M Post, Modi Roopin, Amanda T Rugenski, Maynard H Schaus, Joseph Shostell, Gaston E Small, Christopher T Solomon, Sean C Sterrett, Øivind Strand, Marjo Tarvainen, Jason M Taylor, Lisette E Torres-Gerald, Caroline B Turner, Jotaro Urabe, Shin-Ichi Uye, Anne-Mari Ventelä, Sébastien Villeger, Matt R Whiles, Frank M Wilhelm, Henry F Wilson, Marguerite A Xenopoulos, Kyle D Zimmer
Animals can be important in modulating ecosystem-level nutrient cycling, although their importance varies greatly among species and ecosystems. Nutrient cycling rates of individual animals represent valuable data for testing the predictions of important frameworks such as the Metabolic Theory of Ecology (MTE) and ecological stoichiometry (ES). They also represent an important set of functional traits that may reflect both environmental and phylogenetic influences. Over the past two decades, studies of animal-mediated nutrient cycling have increased dramatically, especially in aquatic ecosystems...
March 6, 2017: Ecology
https://www.readbyqxmd.com/read/28260151/the-effects-of-acute-copper-and-ammonia-challenges-on-ammonia-and-urea-excretion-by-the-blue-crab-callinectes-sapidus
#19
Alex M Zimmer, Marianna Basso Jorge, Chris M Wood, Camila M G Martins, Adalto Bianchini
Copper (Cu) is a persistent environmental contaminant that elicits several physiological disturbances in aquatic organisms, including a disruption in ammonia regulation. We hypothesized that exposure to Cu in a model crustacean (blue crab, Callinectes sapidus) acclimated to brackish water (2 ppt) would lead to hyperammonemia by stimulating an increase in ammonia production and/or by inhibiting ammonia excretion. We further hypothesized that urea production would represent an ammonia detoxification strategy in response to Cu...
April 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28258831/greater-trochanteric-reattachment-using-the-third-generation-cable-plate-system-in-revision-total-hip-arthroplasty
#20
In-Sung Kim, Nachiket Pansey, Rajeev K Kansay, Je-Hyun Yoo, Hwang-Yong Lee, Jun-Dong Chang
BACKGROUND: The purpose of the study is to evaluate the radiologic and functional results of greater trochanteric reattachment using the third-generation cable plate system in revision total hip arthroplasty (THA). METHODS: A total of 47 trochanteric fixations (27 men and 18 women; mean age of 60.2 years) using the third-generation cable plate system in revision THA were retrospectively evaluated. The mean follow-up was 80.4 months (range 27-148 months). The osteotomized greater trochanter was reattached using the Cable-Ready system (Zimmer, Warsaw, IN) and the Dall-Miles cable system (Stryker, Mahwah, NJ)...
January 20, 2017: Journal of Arthroplasty
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