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https://www.readbyqxmd.com/read/28091737/impact-of-pelvic-fractures-on-the-early-clinical-outcomes-of-severely-injured-trauma-patients
#1
K Almahmoud, R Pfeifer, K Al-Kofahi, A Hmedat, W Hyderabad, F Hildebrand, A B Peitzman, H-C Pape
BACKGROUND: Pelvic fractures contribute to morbidity and mortality following injury. We sought to study the impact of pelvic fractures on the clinical course and outcomes of trauma patients with a pelvic fracture in comparison to patients with similar injury severity without pelvic fracture to identify potential parameters to track patients' clinical course post-injury. METHODS: A cohort of 206 consecutive blunt trauma survivors, studied over a 5-year period in a level I trauma center of which 75 patients (36...
January 13, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28091724/automatic-ct-based-finite-element-model-generation-for-temperature-based-death-time-estimation-feasibility-study-and-sensitivity-analysis
#2
Sebastian Schenkl, Holger Muggenthaler, Michael Hubig, Bodo Erdmann, Martin Weiser, Stefan Zachow, Andreas Heinrich, Felix Victor Güttler, Ulf Teichgräber, Gita Mall
Temperature-based death time estimation is based either on simple phenomenological models of corpse cooling or on detailed physical heat transfer models. The latter are much more complex but allow a higher accuracy of death time estimation, as in principle, all relevant cooling mechanisms can be taken into account.Here, a complete workflow for finite element-based cooling simulation is presented. The following steps are demonstrated on a CT phantom: Computer tomography (CT) scan Segmentation of the CT images for thermodynamically relevant features of individual geometries and compilation in a geometric computer-aided design (CAD) model Conversion of the segmentation result into a finite element (FE) simulation model Computation of the model cooling curve (MOD) Calculation of the cooling time (CTE) For the first time in FE-based cooling time estimation, the steps from the CT image over segmentation to FE model generation are performed semi-automatically...
January 14, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28088416/space-allowance-influences-individually-housed-holstein-bull-calf-innate-immune-measures-and-standing-behaviors-after-castration-at-3-weeks-of-age
#3
M S Calvo-Lorenzo, L E Hulbert, M A Ballou, A L Fowler, Y Luo, K C Klasing, F M Mitloehner
Dairy calves in the Southwest regions of the United States are typically raised individually in wooden hutches with 1.23 m(2) of space. The objective of the study was to determine if increased space allowance in wooden hutches influences measures of innate immunity and behaviors of Holstein bull calves pre- and postcastration. Calves were randomly assigned at 4 d of age to conventional (CONV; 1.23 m(2) of space; n = 18), moderate (MOD; 1.85 m(2) space; n = 17), or maximized space allowance (MAX; 3.71 m(2) space; n = 19) in hutches...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28066600/white-light-autofluorescence-and-narrow-band-imaging-bronchoscopy-for-diagnosing-airway-pre-cancerous-and-early-cancer-lesions-a-systematic-review-and-meta-analysis
#4
Jianrong Zhang, Jieyu Wu, Yujing Yang, Hua Liao, Zhiheng Xu, Lindsey Tristine Hamblin, Long Jiang, Lieven Depypere, Keng Leong Ang, Jiaxi He, Ziyan Liang, Jun Huang, Jingpei Li, Qihua He, Wenhua Liang, Jianxing He
BACKGROUND: We aimed to summarize the diagnostic accuracy of white light bronchoscopy (WLB) and advanced techniques for airway pre-cancerous lesions and early cancer, such as autofluorescence bronchoscopy (AFB), AFB combined with WLB (AFB + WLB) and narrow-band imaging (NBI) bronchoscopy. METHODS: We searched for eligible studies in seven electronic databases from their date of inception to Mar 20, 2015. In eligible studies, detected lesions should be confirmed by histopathology...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28059264/variations-of-spherical-aberration-and-central-coma-of-conceptual-thin-lenses
#5
Chaohsien Chen
Based on our earlier matrix algorithms [J. Mod. Opt.55, 105 (2008)JMOPEW0950-034010.1080/09500340701308740] for evaluating the variations of Seidel aberrations, new concise equations are derived to directly evaluate the variations of spherical aberration and central coma of conceptual thin lenses when the incident marginal and chief rays are arbitrarily changed. In the earlier algorithms, four cases with distinct translation factors and matrix equations are required according to the relationships of the object and pupil positions; otherwise, division-by-zero errors or insufficient numerical accuracy will be encountered...
December 20, 2016: Applied Optics
https://www.readbyqxmd.com/read/28046272/th-cd-201-10-highly-efficient-synchronized-high-speed-scintillation-camera-system-for-measuring-proton-range-sobp-and-dose-distributions-in-a-2d-plane
#6
S Goddu, B Sun, K Grantham, T Zhao, T Zhang, J Bradley, S Mutic
PURPOSE: Proton therapy (PT) delivery is complex and extremely dynamic. Therefore, quality assurance testing is vital, but highly time-consuming. We have developed a High-Speed Scintillation-Camera-System (HS-SCS) for simultaneously measuring multiple beam characteristics. METHODS: High-speed camera was placed in a light-tight housing and dual-layer neutron shield. HS-SCS is synchronized with a synchrocyclotron to capture individual proton-beam-pulses (PBPs) at ∼504 frames/sec...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28039399/the-impact-of-exercise-intensity-on-whole-body-and-adipose-tissue-metabolism-during-energy-restriction-in-sedentary-overweight-men-and-postmenopausal-women
#7
Jean-Philippe Walhin, Natalie C Dixon, James A Betts, Dylan Thompson
This study aimed to establish whether vigorous-intensity exercise offers additional adipose-related health benefits and metabolic improvements compared to energy-matched moderate-intensity exercise. Thirty-eight sedentary overweight men (n = 24) and postmenopausal women (n = 14) aged 52 ± 5 years (mean ± standard deviations [SD]) were prescribed a 3-week energy deficit (29302 kJ∙week(-1)) achieved by increased isocaloric moderate or vigorous-intensity exercise (+8372 kJ∙week(-1)) and simultaneous restricted energy intake (-20930 kJ∙week(-1))...
December 2016: Physiological Reports
https://www.readbyqxmd.com/read/28027451/the-use-of-platelet-rich-and-platelet-poor-plasma-to-enhance-differentiation-of-skeletal-myoblasts
#8
Olga Miroshnychenko, Wen-Teh Chang, Jason L Dragoo
BACKGROUND: Platelet-rich plasma (PRP) has been used to augment tissue repair and regeneration after musculoskeletal injury. However, there is increasing clinical evidence that PRP does not show a consistent clinical effect. Purpose/Hypothesis: This study aimed to compare the effects of the following non-neutrophil-containing (leukocyte-poor) plasma fractions on human skeletal muscle myoblast (HSMM) differentiation: (1) PRP, (2) modified PRP (Mod-PRP), in which transforming growth factor β1 (TGF-β1) and myostatin (MSTN) were depleted, and (3) platelet-poor plasma (PPP)...
December 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28024577/novel-urethane-based-polymer-for-dental-applications-with-decreased-monomer-leaching
#9
Gedalias C Martim, Carmem S Pfeifer, Emerson M Girotto
The aim of this study was to synthesize and characterize new multifunctional-urethane-methacrylate monomers to be used as the organic matrix in restorative dental composites, and evaluate the main physical-chemical properties of the resulting material. Bis-GMA (bisphenol-A-diglycidylmethacrylate) and GDMA (glycerol dimethacrylate) were modified by reacting the hydroxyl groups with isocyanate groups of urethane-methacrylate precursors to result in the new monomeric systems U-(bis-GMA)-Mod and U-(GDMA)-Mod, U=Urethane and Mod=Modified...
March 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28013095/decreased-high-density-lipoprotein-cholesterol-level-is-an-early-prognostic-marker-for-organ-dysfunction-and-death-in-patients-with-suspected-sepsis
#10
Mihai Cirstea, Keith R Walley, James A Russell, Liam R Brunham, Kelly R Genga, John H Boyd
PURPOSE: We sought to determine whether an early high-density lipoprotein cholesterol (HDL-C) measurement at emergency department (ED) admission is prognostic of multiorgan dysfunction syndrome (MODS) and death in a suspected sepsis cohort. MATERIALS AND METHODS: Two hundred patients with clinically suspected sepsis were recruited at admission to our tertiary care hospital's ED. Lipids were measured at the time of first ED blood draw. Clinical data were collected via chart review...
December 7, 2016: Journal of Critical Care
https://www.readbyqxmd.com/read/28008770/the-budget-impact-and-cost-effectiveness-of-defibrotide-for-treatment-of-veno-occlusive-disease-with-multi-organ-dysfunction-in-patients-post-hematopoietic-stem-cell-transplant
#11
David L Veenstra, Gregory F Guzauskas, Kathleen F Villa, Denise M Boudreau
BACKGROUND: A Phase-3 study of defibrotide compared with historical controls demonstrated a 23% improvement in 100-day survival post-hematopoietic stem cell transplantation (HSCT) among patients with veno-occlusive disease with multi-organ dysfunction (VOD with MOD). AIM: To estimate the budget impact and cost-effectiveness of introducing defibrotide to a transplant center. METHODS: We developed a budget impact model from the perspective of a bone-marrow transplant center...
December 23, 2016: Journal of Medical Economics
https://www.readbyqxmd.com/read/28008101/muscle-metabolic-and-neuromuscular-determinants-of-fatigue-during-cycling-in-different-exercise-intensity-domains
#12
Matthew I Black, Andrew M Jones, Jamie R Blackwell, Stephen J Bailey, Lee J Wylie, Sinead T J McDonagh, Christopher Thompson, James Kelly, Paul Sumners, Katya J Mileva, Joanna L Bowtell, Anni Vanhatalo
The lactate or gas exchange threshold (GET) and the critical power (CP) are closely associated with human exercise performance. We tested the hypothesis that the limit of tolerance (Tlim) during cycle exercise performed within the exercise intensity domains demarcated by GET and CP is linked to discrete muscle metabolic and neuromuscular responses. Eleven males performed a ramp incremental exercise test, 4-5 severe-intensity (SEV; >CP) constant-work-rate (CWR) tests until Tlim, a heavy-intensity (HVY; <CP but >GET) CWR test until Tlim, and a moderate-intensity (MOD; <GET) CWR test until Tlim Muscle biopsies revealed that a similar (P>0...
December 22, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28007459/endothelial-markers-are-associated-with-pancreatic-necrosis-and-overall-prognosis-in-acute-pancreatitis-a-preliminary-cohort-study
#13
Yizhe Chen, Lu Ke, Lei Meng, Qi Yang, Zhihui Tong, Yiyuan Pan, Weiqin Li, Jieshou Li
BACKGROUND: Endothelial injury is believed to play an important role in the evolution of pancreatic microcirculatory dysfunction and pancreatic necrosis (PN) in patients with acute pancreatitis (AP). The aim of this study was to investigate the role of three endothelial markers (von Willebrand factor, vWF; E-selectin; endothelial protein C receptor, EPCR) in the early phase of AP, especially the relationship between endothelial markers and PN. METHODS: From March 2015 to March 2016, 57 AP patients admitted within 72 h of symptom onset in our hospital were included for this study...
December 15, 2016: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/27999089/acute-effect-of-exercise-intensity-and-duration-on-acylated-ghrelin-and-hunger-in-men
#14
David R Broom, Masashi Miyashita, Lucy K Wasse, Richard Pulsford, James A King, Alice E Thackray, David J Stensel
Acute exercise transiently suppresses the orexigenic gut hormone acylated ghrelin, but the extent to which exercise intensity and duration determine this response is not fully understood. The effects of manipulating exercise intensity and duration on acylated ghrelin concentrations and hunger were examined in two experiments. In experiment one, nine healthy males completed three, 4-h conditions (control, moderate-intensity running (MOD) and vigorous-intensity running (VIG)), with an energy expenditure of ~2...
March 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/27995042/improvement-of-the-detection-efficiency-calibration-and-homogeneity-measurement-of-si-spad-detectors
#15
Klodian Dhoska, Helmuth Hofer, Beatrice Rodiek, Marco López, Toomas Kübarsepp, Stefan Kück
BACKGROUND: Silicon single-photon avalanche diodes (Si-SPADs) are the most used devices for measuring ultra-weak optical radiant fluxes in many quantum technology fields, such as quantum optics, quantum communication, quantum computing, etc. In all these fields, the detection efficiency is the main parameter, which has to be accurately known for achieving reliable measurements. In this paper we present the improvements performed on the setup described in López et al. (J Mod Opt 62:S21-S27, 2015) for determining the detection efficiency of Si-SPAD detectors with a low measurement uncertainty...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27987358/relationship-between-anti-m%C3%A3-llerian-hormone-and-antral-follicle-count-across-the-menstrual-cycle-using-the-beckman-coulter-access-assay-in-comparison-with-gen-ii-manual-assay
#16
Julia Schiffner, Judith Roos, David Broomhead, Joseph van Helden, Erhard Godehardt, Daniel Fehr, Günter Freundl, Sarah Johnson, Christian Gnoth
BACKGROUND: The study aim was to validate Beckman Coulter's fully automated Access Immunoassay System (BC Access assay) for anti-Müllerian hormone (AMH) and compare it with Beckman Coulter's Modified Manual Generation II assay (BC Mod Gen II), with regard to cycle AMH fluctuations and antral follicle counts. METHODS: During one complete menstrual cycle, transvaginal ultrasound was performed on regularly menstruating women (n=39; 18-40years) every 2 days until the dominant ovarian follicle reached 16mm, then daily until observed ovulation; blood samples were collected throughout the cycle...
December 17, 2016: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/27986403/temperature-dependence-of-nitrogen-removal-activity-by-anammox-bacteria-enriched-at-low-temperatures
#17
Giri Park, Masashi Takekawa, Satoshi Soda, Michihiko Ike, Kenji Furukawa
The anaerobic ammonium oxidation (anammox) process, which is applicable at ambient temperature, is necessary to develop more versatile nitrogen removal technologies. In this study, two anammox reactors, Low-R1 and Low-R2 inoculated with activated sludge respectively in Kumamoto and Hokkaido, Japan, achieved nitrogen removal rates (NRRs) of 1.5 kg-N/m(3)/day at 20°C. The specific anammox activity (SAA) of the Low-R1 and Low-R2 sludge samples had peaks, respectively, of 2.8±0.3 mg-N/g-VSS/h at 25°C and 4...
December 14, 2016: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/27984411/multiple-drug-resistance-in-burn-patients-a-retrospective-study-on-the-impact-of-antibiotic-resistance-on-survival-and-length-of-stay
#18
Ilse van Langeveld, Robin C Gagnon, Peggie F Conrad, Richard L Gamelli, Brendan Martin, Mashkoor A Choudhry, Michael J Mosier
Despite improvements in early treatment, survival following burn injury remains challenged by sepsis and multiple organ dysfunction syndrome (MODS). Additionally, susceptibility to infections and growing antibiotic resistance places burn patients at increased risk for infections with multiple-drug resistant organisms (MDROs). We therefore aimed to evaluate the impact of MDRO infections on survival and hospital length of stay, as well as examine the role of these organisms in the development of complications, such as acute kidney injury, sepsis, and MODS...
December 9, 2016: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/27981901/molecular-insights-of-creb-and-map-k-phosphorylation-by-modafinil-in-wake-related-brain-areas
#19
Ramsés Jiménez-Moreno, Adrián Amaury Farret-Ramos, Adriana Valle-Ayala, Niurka Trujillo-Paredes, Eric Murillo-Rodríguez
BACKGROUND: Modafinil (MOD) is a waking-promoting compound that is used for treatment of sleep disorders such as sleepiness and narcolepsy. Despite its efficiency, there are missing pieces of evidence regarding the mechanism of action of MOD at molecular level. For example, current data have demonstrated that MOD induces alertness by activating several wake-related neurotransmitter receptors, including dopamine 1 (D1) receptor. Nevertheless, an intriguing point highlights that MOD might be activating intracellular elements bounded to D1 receptor, such as cAMP response element-binding (CREB) or mitogen-activated protein kinase (MAP-K) expression...
December 14, 2016: Current Molecular Pharmacology
https://www.readbyqxmd.com/read/27970053/tct-676-prevalence-of-residual-mitral-and-tricuspid-regurgitation-mr-tr-following-transcatheter-aortic-valve-replacement-tavr-residual-mod-severe-mr-and-tr-is-associated-with-higher-mortality-post-tavr
#20
John Schindler, Joao Cavalcante, Andrew Althouse, Michael S Sharbaugh, Dustin Kliner, William Katz, Matthew E Harinstein, Frederick W Crock, Forozan Navid, Joon Lee, Thomas Gleason
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
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