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https://www.readbyqxmd.com/read/29454135/short-term-outcomes-following-posterior-cervical-fusion-among-octogenarians-with-cervical-spondylotic-myelopathy-a-nsqip-database-analysis
#1
Caroline E Vonck, Joseph E Tanenbaum, Thomas T Bomberger, Edward C Benzel, Jason W Savage, Iain H Kalfas, Thomas E Mroz, Michael P Steinmetz
BACKGROUND: Context: Degenerative changes in the cervical spine occur in an age-dependent manner. As the U.S. population continues to age, the incidence of age-dependent, multi-level, degenerative cervical pathologies is expected to increase. Similarly, the average age of patients with cervical spondylotic myelopathy (CSM) will likely trend upward. Posterior cervical fusion (PCF) is often the treatment modality of choice in the management of multi-level cervical spine disease. Although outcomes following anterior cervical fusion for degenerative disease have been studied among older patients (aged 80 years and older), it is unknown if these results extend to octogenarian patients undergoing PCF for the surgical management of CSM...
February 14, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29453894/organisation-of-lymphocytic-infiltrates-inanca-associated-glomerulonephritis
#2
Silke R Brix, Mercedes Noriega, Elisabeth M Herden, Birgit Goldmann, Ulrike Langbehn, Martin Busch, Wolfram J Jabs, Oliver M Steinmetz, Ulf Panzer, Tobias B Huber, Rolf A K Stahl, Thorsten Wiech
AIMS: Renal involvement in anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis contributes to significant morbidity and mortality in patients. In chronic inflammation, B cells are recruited to the inflamed tissue and organised lymphoid structures have been described in several autoimmune diseases. Aim of this study was to correlate the lymphoid organisation in renal biopsies with renal outcome in ANCA-associated glomerulonephritis (GN). METHODS AND RESULTS: We investigated 112 renal biopsies from patients with newly diagnosed ANCA-associated necrotizing GN...
February 17, 2018: Histopathology
https://www.readbyqxmd.com/read/29452283/posterolateral-fusion-plf-vs-transforaminal-lumbar-interbody-fusion-tlif-for-spondylolisthesis-a-systematic-review-and-meta-analysis
#3
REVIEW
Jay M Levin, Joseph E Tanenbaum, Michael P Steinmetz, Thomas E Mroz, Samuel C Overley
BACKGROUND CONTEXT: Lumbar fusion is an effective and durable treatment for symptomatic lumbar spondylolisthesis, however the current literature provides insufficient evidence to recommend an optimal surgical fusion strategy. PURPOSE: To compare the clinical outcomes, fusion rates, blood loss, and operative times between open posterolateral lumbar fusion (PLF) alone and open transforaminal lumbar interbody fusion + posterolateral fusion (TLIF) for spondylolisthesis...
February 13, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29447854/risk-factors-associated-complications-for-postoperative-urinary-retention-after-lumbar-surgery-for-lumbar-spinal-stenosis
#4
Joshua L Golubovsky, Haariss Ilyas, Jinxiao Chen, Joseph E Tanenbaum, Thomas E Mroz, Michael P Steinmetz
BACKGROUND CONTEXT: Postoperative Urinary Retention (POUR) is a very common post-operative complication of all surgeries (5 - 70%) that may lead to complications such as urinary tract infection (UTI), bladder over-distention, autonomic dysregulation, and increased postoperative length of stay (LOS). Within the field of spine surgery, the reported incidence of POUR is highly variable (5.6 - 38%). Lack of clear stratification of surgical level, spinal pathology, and inadequate sample size is a major limitation of available studies concerning POUR following spine surgery that may lead to inconsistency in the incidence of POUR and the ability to model its occurrence and consequences...
February 12, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29444488/challenges-and-opportunities-for-large-scale-electrophysiology-with-neuropixels-probes
#5
REVIEW
Nicholas A Steinmetz, Christof Koch, Kenneth D Harris, Matteo Carandini
Electrophysiological methods are the gold standard in neuroscience because they reveal the activity of individual neurons at high temporal resolution and in arbitrary brain locations. Microelectrode arrays based on complementary metal-oxide semiconductor (CMOS) technology, such as Neuropixels probes, look set to transform these methods. Neuropixels probes provide ∼1000 recording sites on an extremely narrow shank, with on-board amplification, digitization, and multiplexing. They deliver low-noise recordings from hundreds of neurons, providing a step change in the type of data available to neuroscientists...
February 10, 2018: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/29432167/phylogenetic-classification-of-the-world-s-tropical-forests
#6
J W Ferry Slik, Janet Franklin, Víctor Arroyo-Rodríguez, Richard Field, Salomon Aguilar, Nikolay Aguirre, Jorge Ahumada, Shin-Ichiro Aiba, Luciana F Alves, Anitha K, Andres Avella, Francisco Mora, Gerardo A Aymard C, Selene Báez, Patricia Balvanera, Meredith L Bastian, Jean-François Bastin, Peter J Bellingham, Eduardo van den Berg, Polyanna da Conceição Bispo, Pascal Boeckx, Katrin Boehning-Gaese, Frans Bongers, Brad Boyle, Fabian Brambach, Francis Q Brearley, Sandra Brown, Shauna-Lee Chai, Robin L Chazdon, Shengbin Chen, Phourin Chhang, George Chuyong, Corneille Ewango, Indiana M Coronado, Jurgi Cristóbal-Azkarate, Heike Culmsee, Kipiro Damas, H S Dattaraja, Priya Davidar, Saara J DeWalt, Hazimah Din, Donald R Drake, Alvaro Duque, Giselda Durigan, Karl Eichhorn, Eduardo Schmidt Eler, Tsutomu Enoki, Andreas Ensslin, Adandé Belarmain Fandohan, Nina Farwig, Kenneth J Feeley, Markus Fischer, Olle Forshed, Queila Souza Garcia, Satish Chandra Garkoti, Thomas W Gillespie, Jean-Francois Gillet, Christelle Gonmadje, Iñigo Granzow-de la Cerda, Daniel M Griffith, James Grogan, Khalid Rehman Hakeem, David J Harris, Rhett D Harrison, Andy Hector, Andreas Hemp, Jürgen Homeier, M Shah Hussain, Guillermo Ibarra-Manríquez, I Faridah Hanum, Nobuo Imai, Patrick A Jansen, Carlos Alfredo Joly, Shijo Joseph, Kuswata Kartawinata, Elizabeth Kearsley, Daniel L Kelly, Michael Kessler, Timothy J Killeen, Robert M Kooyman, Yves Laumonier, Susan G Laurance, William F Laurance, Michael J Lawes, Susan G Letcher, Jeremy Lindsell, Jon Lovett, Jose Lozada, Xinghui Lu, Anne Mette Lykke, Khairil Bin Mahmud, Ni Putu Diana Mahayani, Asyraf Mansor, Andrew R Marshall, Emanuel H Martin, Darley Calderado Leal Matos, Jorge A Meave, Felipe P L Melo, Zhofre Huberto Aguirre Mendoza, Faizah Metali, Vincent P Medjibe, Jean Paul Metzger, Thiago Metzker, D Mohandass, Miguel A Munguía-Rosas, Rodrigo Muñoz, Eddy Nurtjahy, Eddie Lenza de Oliveira, Onrizal, Pia Parolin, Marc Parren, N Parthasarathy, Ekananda Paudel, Rolando Perez, Eduardo A Pérez-García, Ulf Pommer, Lourens Poorter, Lan Qi, Maria Teresa F Piedade, José Roberto Rodrigues Pinto, Axel Dalberg Poulsen, John R Poulsen, Jennifer S Powers, Rama Chandra Prasad, Jean-Philippe Puyravaud, Orlando Rangel, Jan Reitsma, Diogo S B Rocha, Samir Rolim, Francesco Rovero, Andes Rozak, Kalle Ruokolainen, Ervan Rutishauser, Gemma Rutten, Mohd Nizam Mohd Said, Felipe Z Saiter, Philippe Saner, Braulio Santos, João Roberto Dos Santos, Swapan Kumar Sarker, Christine B Schmitt, Jochen Schoengart, Mark Schulze, Douglas Sheil, Plinio Sist, Alexandre F Souza, Wilson Roberto Spironello, Tereza Sposito, Robert Steinmetz, Tariq Stevart, Marcio Seiji Suganuma, Rahayu Sukri, Aisha Sultana, Raman Sukumar, Terry Sunderland, Supriyadi, H S Suresh, Eizi Suzuki, Marcelo Tabarelli, Jianwei Tang, Ed V J Tanner, Natalia Targhetta, Ida Theilade, Duncan Thomas, Jonathan Timberlake, Márcio de Morisson Valeriano, Johan van Valkenburg, Tran Van Do, Hoang Van Sam, John H Vandermeer, Hans Verbeeck, Ole Reidar Vetaas, Victor Adekunle, Simone A Vieira, Campbell O Webb, Edward L Webb, Timothy Whitfeld, Serge Wich, John Williams, Susan Wiser, Florian Wittmann, Xiaobo Yang, C Yves Adou Yao, Sandra L Yap, Rakan A Zahawi, Rahmad Zakaria, Runguo Zang
Knowledge about the biogeographic affinities of the world's tropical forests helps to better understand regional differences in forest structure, diversity, composition, and dynamics. Such understanding will enable anticipation of region-specific responses to global environmental change. Modern phylogenies, in combination with broad coverage of species inventory data, now allow for global biogeographic analyses that take species evolutionary distance into account. Here we present a classification of the world's tropical forests based on their phylogenetic similarity...
February 5, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29412386/laparoscopic-sleeve-gastrectomy-in-severely-obese-adolescents-effects-on-metabolic-profile
#7
Ruth Rocha Franco, Marina Ybarra, Louise Cominato, Larissa Mattar, Leandra Steinmetz, Durval Damiani, Manoel Carlos Prieto Velhote
OBJECTIVE: The objective was to conduct clinical and metabolic evaluations of obese adolescents before and after laparoscopic sleeve gastrectomy (LSG) (up to 24 months). SUBJECTS AND METHODS: This was designed as a retrospective, descriptive series of cases study, conducted in Instituto da Criança, São Paulo, Brazil. Analysis of clinical and laboratory data from 22 obese adolescents between 14 and 19 years old submitted to LSG between 2007 and 2014. Patients had BMI > 40 kg/m2 or BMI > 35 kg/m2 with comorbidities...
December 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29403645/impact-of-prenatal-stress-on-mother-infant-dyadic-behavior-during-the-still-face-paradigm
#8
Isabell Ann-Cathrin Wolf, Maria Gilles, Verena Peus, Barbara Scharnholz, Julia Seibert, Christine Jennen-Steinmetz, Bertram Krumm, Marcella Rietschel, Michael Deuschle, Manfred Laucht
Background: Mother-infant interaction provides important training for the infant's ability to cope with stress and the development of resilience. Prenatal stress (PS) and its impact on the offspring's development have long been a focus of stress research, with studies highlighting both harmful and beneficial effects. The aim of the current study was to examine the possible influence of both psychological stress and hypothalamic-pituitary-adrenal (HPA) axis activity during pregnancy with mother-child dyadic behavior following stress exposure...
2018: Borderline Personality Disorder and Emotion Dysregulation
https://www.readbyqxmd.com/read/29402525/atrio-ventricular-deformation-and-heart-failure-in-ebstein-s-anomaly-a-cardiovascular-magnetic-resonance-study
#9
Michael Steinmetz, Marike Broder, Olga Hösch, Pablo Lamata, Shelby Kutty, Johannes T Kowallick, Wieland Staab, Christian Oliver Ritter, Gerd Hasenfuß, Thomas Paul, Joachim Lotz, Andreas Schuster
PURPOSE: We aimed to quantify atrial and ventricular myocardial deformation in Ebstein's Anomaly (EA) in a case-control study with cardiovascular magnetic resonance (CMR) feature tracking and to correlate changes in cardiac performance with the severity of disease and clinical heart failure parameters. MATERIALS AND METHODS: Atrial and ventricular deformation was measured using CMR feature tracking in 30 EA and 20 healthy control subjects. Atrial performance was characterized using longitudinal strain and strain rate parameters for reservoir function, conduit function and booster pump function...
February 2, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29398658/the-many-liberalisms-of-serge-audier
#10
Daniel Steinmetz-Jenkins, Kevin Brookes
The French philosopher Serge Audier has perhaps become the leading authority on the history of liberalism in France. However, he is largely unknown in the United States. This article attempts to provide the first critical overview of Audier's work in English. It does so by suggesting that the major aim of Audier's work is to revive a forgotten strand of social liberalism in France. The article illustrates this by looking at Audier's writings on the works of Léon Bourgeois and Raymond Aron and also his critical studies on the history of neoliberalism in France and beyond...
2018: Journal of the History of Ideas
https://www.readbyqxmd.com/read/29398280/cep120-promotes-microtubule-formation-through-a-unique-tubulin-binding-c2-domain
#11
Ashwani Sharma, Samuel F Gerard, Natacha Olieric, Michel O Steinmetz
Centrioles are microtubule-based structures that play essential roles in cell division and cilia biogenesis. Cep120 is an important protein for correct centriole formation and mutations in the Cep120 gene cause severe human diseases like Joubert syndrome and complex ciliopathies. Here, we show that Cep120 contains three consecutive C2 domains that are followed by a coiled-coil dimerization domain. Surprisingly, unlike the classical C2 domains, all three Cep120 C2 domains lack calcium- and phospholipid-binding activities...
February 1, 2018: Journal of Structural Biology
https://www.readbyqxmd.com/read/29397248/safety-and-feasibility-of-endovascular-aortic-aneurysm-repair-as-day-surgery
#12
Stephen C Hanley, Oren Steinmetz, Eva S Mathieu, Daniel Obrand, Kent Mackenzie, Marc-Michel Corriveau, Cherrie Z Abraham, Heather L Gill
OBJECTIVE: The adoption of endovascular aneurysm repair (EVAR) during the past two decades has led to significantly shorter length of stay as well as lower hospital resource use. Currently, most patients are admitted to the hospital after EVAR; however, there are no standard observation periods, and timing of discharge is based on clinical judgment. The aim of this study was to confirm the safety and feasibility of performing EVAR as outpatient surgery. METHODS: We developed criteria to identify patients for potential same-day discharge (infrarenal aneurysm, low perioperative risk, to be accompanied for first 24 hours)...
January 31, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29395789/structural-basis-of-formation-of-the-microtubule-minus-end-regulating-camsap-katanin-complex
#13
Kai Jiang, Lenka Faltova, Shasha Hua, Guido Capitani, Andrea E Prota, Christiane Landgraf, Rudolf Volkmer, Richard A Kammerer, Michel O Steinmetz, Anna Akhmanova
CAMSAP/Patronin family members regulate the organization and stability of microtubule minus ends in various systems ranging from mitotic spindles to differentiated epithelial cells and neurons. Mammalian CAMSAP2 and CAMSAP3 bind to growing microtubule minus ends, where they form stretches of stabilized microtubule lattice. The microtubule-severing ATPase katanin interacts with CAMSAPs and limits the length of CAMSAP-decorated microtubule stretches. Here, by using biochemical, biophysical, and structural approaches, we reveal that a short helical motif conserved in CAMSAP2 and CAMSAP3 binds to the heterodimer formed by the N- and C-terminal domains of katanin subunits p60 and p80, respectively...
January 21, 2018: Structure
https://www.readbyqxmd.com/read/29393259/influence-of-parathyroidectomy-on-bone-metabolism-and-bone-pain-in-patients-with-secondary-hyperparathyroidism
#14
Ralph Schneider, Carolin Steinmetz, Elias Karakas, Detlef K Bartsch, Katja Schlosser
BACKGROUND: After parathyroidectomy (PTX), hungry bone syndrome leads to hypocalcemia due to bone remineralization. The aim of this pilot study was to analyze changes in markers of bone metabolism in patients with secondary hyperparathyroidism (sHPT) after PTX and to correlate these markers with bone pain measured with a validated questionnaire. MATERIALS AND METHODS: All patients who underwent PTX for sHPT between March 2010 and February 2012 at out institution were included in this prospective observational pilot study...
January 23, 2018: European Surgical Research. Europäische Chirurgische Forschung. Recherches Chirurgicales Européennes
https://www.readbyqxmd.com/read/29382394/pharmacokinetics-of-meropenem-in-septic-patients-on-sustained-low-efficiency-dialysis-a-population-pharmacokinetic-study
#15
Stephan Braune, Christina König, Jason A Roberts, Axel Nierhaus, Oliver Steinmetz, Michael Baehr, Stefan Kluge, Claudia Langebrake
BACKGROUND: The aim of the study was to describe the population pharmacokinetics (PK) of meropenem in critically ill patients receiving sustained low-efficiency dialysis (SLED). METHODS: Prospective population PK study on 19 septic patients treated with meropenem and receiving SLED for acute kidney injury. Serial blood samples for determination of meropenem concentrations were taken before, during and after SLED in up to three sessions per patient. Nonparametric population PK analysis with Monte Carlo simulations were used...
January 30, 2018: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29367435/interaction-between-the-c-elegans-centriolar-protein-sas-5-and-microtubules-facilitates-organelle-assembly
#16
Sarah Bianchi, Kacper B Rogala, Nicola J Dynes, Manuel Hilbert, Sebastian A Leidel, Michel O Steinmetz, Pierre Gönczy, Ioannis Vakonakis
Centrioles are microtubule-based organelles that organise the microtubule network and seed the formation of cilia and flagella. New centrioles assemble through a step-wise process dependent notably on the centriolar protein SAS-5 in Caenorhabditis elegans SAS-5 and its functional homologues in other species form oligomers that bind the centriolar proteins SAS-6 and SAS-4, thereby forming an evolutionarily conserved structural core at the onset of organelle assembly. Here, we report a novel interaction of SAS-5 with microtubules...
January 24, 2018: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/29362929/does-the-efficacy-of-parent-child-training-depend-on-maternal-symptom-improvement-results-from-a-randomized-controlled-trial-on-children-and-mothers-both-affected-by-attention-deficit-hyperactivity-disorder-adhd
#17
Alexander Häge, Barbara Alm, Tobias Banaschewski, Katja Becker, Michael Colla, Christine Freitag, Julia Geissler, Alexander von Gontard, Erika Graf, Barbara Haack-Dees, Susann Hänig, Klaus Hennighausen, Sarah Hohmann, Christian Jacob, Charlotte Jaite, Christine Jennen-Steinmetz, Viola Kappel, Swantje Matthies, Alexandra Philipsen, Luise Poustka, Wolfgang Retz, Michael Rösler, Katja Schneider-Momm, Esther Sobanski, Timo D Vloet, Andreas Warnke, Thomas Jans
Multimodal treatment of children with ADHD often includes parent-child training (PCT). However, due to the high heritability, parents of children with ADHD are frequently also affected by the disorder, which is likely to constitute a significant barrier to successful treatment of the child. This secondary analysis of our randomized controlled multicentre AIMAC trial (ADHD in mothers and children) investigates whether children's outcomes following parent-child training in combination with maternal ADHD treatment depend on maternal symptom improvement...
January 23, 2018: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/29351683/novel-bilateral-extracavitary-approach-for-thoracolumbar-decompression
#18
Jeffrey P Mullin, Alvin Y Chan, Emily Bennett, Michael P Steinmetz
BACKGROUND: Bilateral extracavitary approach (BECA) is an option for decompression cases that require a more extended ventral approach. The clear advantage is increased accessibility to the most ventral aspects of the spine from a bilateral perspective. OBJECTIVE: To assess the safety and efficacy of thoracic and thoracolumbar decompression and/or reconstruction from BECA. METHODS: A retrospective chart review was performed reviewing all patients who underwent BECA for thoracolumbar decompression from 2003 to 2012 at our institution...
February 1, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29339476/coding-of-episodic-memory-in-the-human-hippocampus
#19
John T Wixted, Stephen D Goldinger, Larry R Squire, Joel R Kuhn, Megan H Papesh, Kris A Smith, David M Treiman, Peter N Steinmetz
Neurocomputational models have long posited that episodic memories in the human hippocampus are represented by sparse, stimulus-specific neural codes. A concomitant proposal is that when sparse-distributed neural assemblies become active, they suppress the activity of competing neurons (neural sharpening). We investigated episodic memory coding in the hippocampus and amygdala by measuring single-neuron responses from 20 epilepsy patients (12 female) undergoing intracranial monitoring while they completed a continuous recognition memory task...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29329289/burkholderia-pseudomallei-modulates-host-iron-homeostasis-to-facilitate-iron-availability-and-intracellular-survival
#20
Imke H E Schmidt, Claudia Gildhorn, Martha A L Böning, Vera A Kulow, Ivo Steinmetz, Antje Bast
BACKGROUND: The control over iron homeostasis is critical in host-pathogen-interaction. Iron plays not only multiple roles for bacterial growth and pathogenicity, but also for modulation of innate immune responses. Hepcidin is a key regulator of host iron metabolism triggering degradation of the iron exporter ferroportin. Although iron overload in humans is known to increase susceptibility to Burkholderia pseudomallei, it is unclear how the pathogen competes with the host for the metal during infection...
January 2018: PLoS Neglected Tropical Diseases
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