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https://www.readbyqxmd.com/read/28328806/craniosynostosis-scheuermann-s-disease-and-intellectual-disability-resembling-shprintzen-goldberg-syndrome-a-report-on-a-family-over-4-generations-case-report
#1
Ali Al Kaissi, Zahra Marrakchi, Nabil M Nassib, Jochen Hofstaetter, Franz Grill, Rudolf Ganger, Susanne Gerit Kircher
RATIONALE: Craniosynostosis is a disorder characterized by premature fusion of cranial sutures with subsequent development of abnormal craniofacial contour associated with variable skeletal and extra-skeletal abnormalities. In this family syndromic type of craniosynostosis was recognized and the etiology behind diverse forms of deformities have been diagnosed. PATIENT CONCERNS: The negative impact of the disorder on the child and his family is enormous. Particularly when the diagnosis is late and little can be done...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28324168/the-effect-of-eccentric-exercise-with-blood-flow-restriction-on-neuromuscular-activation-microvascular-oxygenation-and-the-repeated-bout-effect
#2
Jakob D Lauver, Trent E Cayot, Timothy Rotarius, Barry W Scheuermann
PURPOSE: To examine the effect of low-intensity eccentric contractions with and without blood flow restriction (BFR) on microvascular oxygenation, neuromuscular activation, and the repeated bout effect (RBE). METHODS: Participants were randomly assigned to either low-intensity (LI), low-intensity with BFR (LI-BFR), or a control (CON) group. Participants in LI and LI-BFR performed a preconditioning bout of low-intensity eccentric exercise prior to about of maximal eccentric exercise...
March 21, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28302104/spinal-epidural-lipomatosis-an-easily-ignored-secondary-intraspinal-disorder-in-spinal-kyphotic-deformities
#3
Zhen Zhang, Zhen Liu, Zezhang Zhu, Yong Qiu
BACKGROUND: A previous study reported a high prevalence of spinal epidural lipomatosis (SEL) in patients with Scheuermann kyphosis (SK) and suggested that it may play a role in the pathogenesis of this disease. According to our observation, however, SEL occurs in other spinal kyphotic deformities as well. The aim of this study was to test the hypothesis that SEL commonly occurs in patients with different types of kyphotic deformities as a secondary intraspinal disorder. METHODS: MR images of 16 patients with congenital kyphosis (CK), 40 patients with SK, 13 patients with tuberculotic kyphosis (TK), and 69 age- and sex-matched controls were retrospectively evaluated...
March 16, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28287901/the-acute-effects-of-bodyweight-suspension-exercise-on-muscle-activation-and-muscular-fatigue
#4
Trent E Cayot, Jakob D Lauver, Barry W Scheuermann
This investigation examined effects of two exercise modes (barbell, BB; bodyweight suspension, BWS) on muscle activation, resistance load, and fatigue. During session one, nine resistance-trained males completed an elbow flexion one-repetition maximum (1RM). During sessions two and three, subjects completed standing biceps curls to fatigue at 70% 1RM utilizing a randomized exercise mode. Surface electromyography (sEMG) recorded muscle activation of the biceps brachii, triceps brachii, anterior deltoid, posterior deltoid, rectus abdominis, and erector spinae...
March 13, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28260211/respiratory-muscle-contractile-inactivity-induced-by-mechanical-ventilation-in-piglets-leads-to-leaky-ryanodine-receptors-and-diaphragm-weakness
#5
Stefan Matecki, Boris Jung, Nathalie Saint, Valerie Scheuermann, Samir Jaber, Alain Lacampagne
Respiratory muscle contractile inactivity during mechanical ventilation (MV) induces diaphragm muscle weakness, a condition referred to as ventilator-induced diaphragmatic dysfunction (VIDD). Although VIDD pathophysiological mechanisms are still not fully understood, it has been recently suggested that remodeling of the sarcoplasmic reticulum (SR) calcium release channel/ryanodine receptors (RyR1) in the diaphragm is a proximal mechanism of VIDD. Here, we used piglets, a large animal model of VIDD that is more relevant to human pathophysiology, to determine whether RyR1 alterations are observed in the presence of diaphragm weakness...
March 4, 2017: Journal of Muscle Research and Cell Motility
https://www.readbyqxmd.com/read/28259264/mri-screening-in-operative-scheuermann-kyphosis-is-it-necessary
#6
Baron S Lonner, Courtney S Toombs, Michael Mechlin, Gina Ciavarra, Suken A Shah, Amer F Samdani, Paul Sponseller, Harry L Shufflebarger, Randal R Betz, Burt Yaszay, Peter O Newton
STUDY DESIGN: Patients with preoperative spine magnetic resonance imaging (MRI) studies from a prospective multicenter study of operative adolescent Scheuermann kyphosis (SK). OBJECTIVES: To investigate the usefulness of MRI screening in operative planning for SK surgeries. SUMMARY OF BACKGROUND DATA: Neural axis abnormalities in operative SK have not been previously studied with MRI screening, despite its use. METHODS: One orthopedic surgeon and two radiologists evaluated all images retrospectively...
March 2017: Spine Deformity
https://www.readbyqxmd.com/read/28254874/qualification-of-nci-designated-cancer-centers-for-quantitative-pet-ct-imaging-in-clinical-trials
#7
Joshua S Scheuermann, Janet S Reddin, Adam Opanowski, Paul E Kinahan, Barry A Siegel, Lalitha K Shankar, Joel S Karp
The National Cancer Institute (NCI) developed the Centers for Quantitative Imaging Excellence (CQIE) initiative in 2010 to pre-qualify imaging facilities at all of the NCI-designated Comprehensive and Clinical Cancer Centers for oncology trials using advanced imaging techniques, including positron emission tomography (PET). This paper reviews the CQIE PET/CT (Computed Tomography) scanner qualification process and results in detail. Methods: Over a period of approximately 5 years, sites were requested to submit a variety of phantom, including uniform and ACR (American College of Radiology) phantoms, PET/CT images, as well as examples of clinical images...
March 2, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28220596/quantitative-pcr-is-a-valuable-tool-to-monitor-performance-of-dna-encoded-chemical-library-selections
#8
Yizhou Li, Gunther Zimmermann, Jörg Scheuermann, Dario Neri
Phage-display libraries and DNA-encoded chemical libraries (DECL) represent useful tools for the isolation of specific binding molecules out of large combinatorial sets of compounds. In both methods, specific binders are recovered at the end of affinity capture procedures, using target proteins of interest immobilized on a solid support. However, while the efficiency of phage-display selections is routinely quantified by counting the phage titer before and after the affinity capture step, no similar quantification procedures have been reported for the characterization of DNA-encoded chemical library selections...
February 21, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28194535/erratum-to-distal-junctional-kyphosis-in-patients-with-scheuermann-s-disease-a-retrospective-radiographic-analysis
#9
Amir Ghasemi, Timo Stubig, Luigi Aurelio Nasto, Malik Ahmed, Hossein Mehdian
No abstract text is available yet for this article.
February 13, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28141687/what-are-the-indications-for-spinal-fusion-surgery-in-scheuermann-kyphosis
#10
David W Polly, Charles G T Ledonio, Beverly Diamond, Hubert Labelle, Daniel J Sucato, M Timothy Hresko, John B Emans, Michael G Vitale, Mark A Erickson, A Noelle Larson
BACKGROUND: Surgical indications for Scheuermann kyphosis are variable. We sought to evaluate the characteristics of patients undergoing operative versus nonoperative treatment of Scheuermann kyphosis to better understand current practices and the factors which contribute to the decision for surgical management. METHODS: Multicenter prospective cohort study. We evaluated consecutive patients presenting with Scheuermann kyphosis. Patients underwent either surgical or nonoperative management according to surgeon and patient discretion...
January 30, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28131733/spinal-cord-ischemia-in-scheuermann-disease-a-report-of-three-cases
#11
Léa Chiche, Robert-Yves Carlier, Dan Siahou, Arnaud Nataf, Caroline Hugeron, Clémence Palazzo
BACKGROUND: Neurological complications in Scheuermann's disease are rare but serious. CASE REPORTS: We report three cases of severe neurological deficit due to medullar ischemia attributable to the compression of a radiculomedullar artery by thoracic (two cases) and lumbar (one case) disc herniations associated with Scheuermann's disease. They were not treated surgically because of the absence of direct spinal cord compression or definitive spinal cord ischemia...
January 25, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28125631/comprehensive-annotation-of-mature-peptides-and-genotypes-for-zika-virus
#12
Guangyu Sun, Christopher N Larsen, Nicole Baumgarth, Edward B Klem, Richard H Scheuermann
The rapid spread of Zika virus (ZIKV) has caused much concern in the global health community, due in part to a link to fetal microcephaly and other neurological illnesses. While an increasing amount of ZIKV genomic sequence data is being generated, an understanding of the virus molecular biology is still greatly lacking. A significant step towards establishing ZIKV proteomics would be the compilation of all proteins produced by the virus, and the resultant virus genotypes. Here we report for the first time such data, using new computational methods for the annotation of mature peptide proteins, genotypes, and recombination events for all ZIKV genomes...
2017: PloS One
https://www.readbyqxmd.com/read/28069807/an-integrated-workflow-to-assess-technical-and-biological-variability-of-cell-population-frequencies-in-human-peripheral-blood-by-flow-cytometry
#13
Julie G Burel, Yu Qian, Cecilia Lindestam Arlehamn, Daniela Weiskopf, Jose Zapardiel-Gonzalo, Randy Taplitz, Robert H Gilman, Mayuko Saito, Aruna D de Silva, Pandurangan Vijayanand, Richard H Scheuermann, Alessandro Sette, Bjoern Peters
In the context of large-scale human system immunology studies, controlling for technical and biological variability is crucial to ensure that experimental data support research conclusions. In this study, we report on a universal workflow to evaluate both technical and biological variation in multiparameter flow cytometry, applied to the development of a 10-color panel to identify all major cell populations and T cell subsets in cryopreserved PBMC. Replicate runs from a control donation and comparison of different gating strategies assessed the technical variability associated with each cell population and permitted the calculation of a quality control score...
February 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28067010/hit-validation-methodologies-for-ligands-isolated-from-dna-encoded-chemical-libraries
#14
Gunther Zimmermann, Yizhou Li, Ulrike Rieder, Martin Mattarella, Dario Neri, Jörg Scheuermann
DNA-encoded chemical libraries (DECLs) are large collections of compounds linked to DNA fragments, serving as amplifiable barcodes, which can be screened on target proteins of interest. In typical DECL selections, preferential binders are identified by high-throughput DNA sequencing, comparing their frequency before and after the affinity capture step. Hits identified in this procedure need to be confirmed, by resynthesis and by performing affinity measurements. In this article, we present novel methods, based on the hybridization of oligonucleotide conjugates with fluorescently-labeled complementary oligonucleotides, which facilitate the determination of affinity constants and kinetic dissociation constants...
January 9, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28048717/mo-fg-202-09-virtual-imrt-qa-using-machine-learning-a-multi-institutional-validation
#15
G Valdes, M Chan, R Scheuermann, J Deasy, T Solberg
PURPOSE: To validate a machine learning approach to Virtual IMRT QA for accurately predicting gamma passing rates using different QA devices at different institutions. METHODS: A Virtual IMRT QA was constructed using a machine learning algorithm based on 416 IMRT plans, in which QA measurements were performed using diode-array detectors and a 3%local/3mm with 10% threshold. An independent set of 139 IMRT measurements from a different institution, with QA data based on portal dosimetry using the same gamma index and 10% threshold, was used to further test the algorithm...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046344/mo-ab-bra-07-low-dose-imaging-with-avalanche-amorphous-selenium-flat-panel-imager
#16
J Scheuermann, A Howansky, A Goldan, S Leveille, O Tousignant, K Tanioka, W Zhao
PURPOSE: We present the first active matrix flat panel imager (AMFPI) capable of producing x-ray quantum noise limited images at low doses by overcoming the electronic noise through signal amplification by photoconductive avalanche gain (gav). The indirect detector fabricated uses an optical sensing layer of amorphous selenium (a-Se) known as High-Gain Avalanche Rushing Photoconductor (HARP). The detector design is called Scintillator HARP (SHARP)-AMFPI. This is the first image sensor to utilize solid-state HARP technology...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28040875/distal-junctional-kyphosis-in-patients-with-scheuermann-s-disease-a-retrospective-radiographic-analysis
#17
Amir Ghasemi, Timo Stubig, Luigi A Nasto, Malik Ahmed, Hossein Mehdian
PURPOSE: To investigate the relationship between preoperative and postoperative spinopelvic alignment and occurrence of DJK/DJF. STUDY DESIGN/SETTING: This was a retrospective observational cohort study. PATIENT SAMPLE: The sample included 40 patients who underwent posterior correction of SK from January 2006 to December 2014. OUTCOME MEASURES: Correlation analysis between the preoperative and postoperative spinopelvic alignment parameters and development of DJK over the course of the study period were studied...
December 31, 2016: European Spine Journal
https://www.readbyqxmd.com/read/28013270/impact-of-the-2015-cms-inpatient-psychiatric-facility-quality-reporting-ipfqr-rule-on-tobacco-treatment
#18
Shane Carrillo, Niaman Nazir, Eric Howser, Lisa Shenkman, Melinda Laxson, Taenisha S Scheuermann, Kimber P Richter
INTRODUCTION: In its fiscal year (FY) 2015 final rule, the Centers for Medicare & Medicaid (CMS) required reporting of tobacco treatment quality measures as part of the Inpatient Psychiatric Facilities Prospective Payment System (IPF PPS). This pre-intervention, post-intervention policy analysis evaluates the impact of that policy at a large academic medical center that opted to improve performance as it implemented reporting measures. METHODS: Electronic medical record data were collected retrospectively for all adult (≥18 years) inpatient psychiatric admissions from January 1(st) 2014 to December 31(st) 2015...
December 24, 2016: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/27981236/a-phylogeny-based-global-nomenclature-system-and-automated-annotation-tool-for-h1-hemagglutinin-genes-from-swine-influenza-a-viruses
#19
Tavis K Anderson, Catherine A Macken, Nicola S Lewis, Richard H Scheuermann, Kristien Van Reeth, Ian H Brown, Sabrina L Swenson, Gaëlle Simon, Takehiko Saito, Yohannes Berhane, Janice Ciacci-Zanella, Ariel Pereda, C Todd Davis, Ruben O Donis, Richard J Webby, Amy L Vincent
The H1 subtype of influenza A viruses (IAVs) has been circulating in swine since the 1918 human influenza pandemic. Over time, and aided by further introductions from nonswine hosts, swine H1 viruses have diversified into three genetic lineages. Due to limited global data, these H1 lineages were named based on colloquial context, leading to a proliferation of inconsistent regional naming conventions. In this study, we propose rigorous phylogenetic criteria to establish a globally consistent nomenclature of swine H1 virus hemagglutinin (HA) evolution...
November 2016: MSphere
https://www.readbyqxmd.com/read/27941174/nocturnal-levels-of-chemerin-and-progranulin-in-adolescents-influence-of-sex-body-mass-index-glucose-metabolism-and-sleep
#20
Johann Daxer, Theresa Herttrich, Ying Y Zhao, Mandy Vogel, Andreas Hiemisch, Kathrin Scheuermann, Antje Körner, Jürgen Kratzsch, Wieland Kiess, Mirja Quante
BACKGROUND: Adipokines have been implicated in obesity, insulin resistance and sleep regulation. However, the role of chemerin and progranulin, two recently described adipokines, in the context of sleep remains unclear. The aim of this study was to compare nocturnal serum chemerin and progranulin levels between overweight/obese and normal-weight adolescents and to assess variations by sex, across different sleep stages and in relation to glucose metabolism. METHODS: The study sample included 34 overweight/obese and 32 normal-weight adolescents from secondary schools and the Leipzig Research Center for Civilization Diseases (LIFE) Child study cohort...
January 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
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