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Cliff C Kerr, Salvador Dura-Bernal, Tomasz G Smolinski, George L Chadderdon, David P Wilson
When standard optimization methods fail to find a satisfactory solution for a parameter fitting problem, a tempting recourse is to adjust parameters manually. While tedious, this approach can be surprisingly powerful in terms of achieving optimal or near-optimal solutions. This paper outlines an optimization algorithm, Adaptive Stochastic Descent (ASD), that has been designed to replicate the essential aspects of manual parameter fitting in an automated way. Specifically, ASD uses simple principles to form probabilistic assumptions about (a) which parameters have the greatest effect on the objective function, and (b) optimal step sizes for each parameter...
2018: PloS One
Barbara J Wilson, Laura J Zitella, Colleen H Erb, Jackie Foster, Mary Peterson, Sylvia K Wood
BACKGROUND: Cancer-related infections lead to increases in mortality, antibiotic use, and hospital stays. Other adverse outcomes include dose delays and reductions, which can result in suboptimal treatment outcomes. OBJECTIVES: Effective implementation of risk assessment and evidence-based interventions for the prevention and treatment of infection are essential to improve care and reduce costs related to infections in patients with cancer receiving immunosuppressive therapy...
April 1, 2018: Clinical Journal of Oncology Nursing
Felicia C Chow, Michael R Wilson, Kunling Wu, Ronald J Ellis, Ronald J Bosch, Benjamin P Linas
OBJECTIVE: To investigate the incidence of first-ever stroke/transient ischemic attack (TIA) and associated risk factors in a cohort of persons living with HIV infection (PLWH). DESIGN: Observational cohort study METHODS:: We determined incidence rates of first-ever stroke/TIA in PLWH after ART initiation from the AIDS Clinical Trials Group ALLRT cohort and its parent trials. Poisson regression models evaluated baseline and time-varying covariates as risk factors for stroke/TIA...
March 15, 2018: AIDS
Bartłomiej Czech, Lampros Lamprou, Samuel McCandlish, James Sully
The Berry connection describes transformations induced by adiabatically varying Hamiltonians. We study how zero modes of the modular Hamiltonian are affected by varying the region that supplies the modular Hamiltonian. In the vacuum of a 2D conformal field theory, global conformal symmetry singles out a unique modular Berry connection, which we compute directly and in the dual three-dimensional anti-de Sitter (AdS_{3}) picture. In certain cases, Wilson loops of the modular Berry connection compute lengths of curves in AdS_{3}, reproducing the differential entropy formula...
March 2, 2018: Physical Review Letters
Kate O'Reilly, Kath Peters, Nathan Wilson, Cannas Kwok
BACKGROUND: Although more men than women sustain a traumatic brain injury (TBI), approximately one quarter of people with TBIs are women. The experiences of TBI reported in the literature are informed from the masculine perspective and do not adequately represent women's experiences. Pragmatism provides an overarching methodological framework to explore and critique a broader perspective of health, including psychosocial, cultural, spiritual, political and environmental factors, while attempting to address gender inequity...
March 16, 2018: Nurse Researcher
Kimberly R Kalli, Matthew S Block, Pashtoon M Kasi, Courtney L Erskine, Timothy J Hobday, Allan Dietz, Douglas Padley, Michael P Gustafson, Barath Shreeder, Danell Puglisi-Knutson, Daniel W Visscher, Toni Kay Mangskau, Glynn Wilson, Keith L Knutson
PURPOSE: Folate receptor alpha (FR) is overexpressed in several cancers. Endogenous immunity to the FR has been demonstrated in patients and suggests the feasibility of targeting FR with vaccine or other immune therapies. CD4 helper T cells are central to the development of coordinated immunity and prior work shows their importance in protecting against relapse. Our previous identification of degenerate HLA-class II epitopes from human FR led to the development of a broad coverage epitope pool potentially useful in augmenting antigen-specific immune responses in most patients...
March 15, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Ann Marie Navar, Eric D Peterson, Shuang Li, Jennifer G Robinson, Veronique L Roger, Anne C Goldberg, Salim Virani, Peter W F Wilson, Michael G Nanna, L Veronica Lee, Joseph Elassal, Tracy Y Wang
No abstract text is available yet for this article.
March 2018: Circulation. Cardiovascular Quality and Outcomes
Todd A Miano, Ebbing Lautenbach, F Perry Wilson, Wensheng Guo, Yuliya Borovskiy, Sean Hennessy
BACKGROUND AND OBJECTIVES: Despite colistin's longstanding reported association with nephrotoxicity, the attributable risk and timing of toxicity onset are still unknown. Whether substantial toxicity occurs during the initial 72 hours of exposure has important implications for early treatment decisions. The objective of this study was to compare colistin-exposed patients with a matched control group given other broad spectrum antibiotics. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a retrospective cohort study in patients treated for multidrug-resistant Pseudomonas , Klebsiella , or Acinetobacter spp...
March 15, 2018: Clinical Journal of the American Society of Nephrology: CJASN
John Mattila, Mike Clark, Shengjiang Liu, John Pieracci, Thomas Gervais, Eileen Wilson, Olga Galperina, Xinfang Li, David Roush, Konstantin Zoeller, Helene Brough, Christelle Simpson-Platre
Ref: Retrospective Evaluation of Low-pH Viral Inactivation and Viral Filtration Data from a Multiple Company Collaboration John Mattila, Mike Clark, Shengjiang Liu, et al. PDA J Pharm Sci and Tech 2016, 70 293-299
Access the most recent version at doi:10.5731/pdajpst.2016.006478 Due to a mathematical error we would like to submit an erratum for figure 6 p298.
March 15, 2018: PDA Journal of Pharmaceutical Science and Technology
E K Yeoh, Martin C S Wong, Eliza L Y Wong, Carrie Yam, C M Poon, Roger Y Chung, Marc Chong, Yuan Fang, Harry H X Wang, Miaoyin Liang, Wilson W L Cheung, Chun Hei Chan, Benny Zee, Andrew J Stewart Coats
BACKGROUND: Chronic Care Model (CCM) has been developed to improve patients' health care by restructuring health systems in a multidimensional manner. This systematic review aims to summarize and analyse programs specifically designed and conducted for the fulfilment of multiple CCM components. We have focused on programs targeting diabetes mellitus, hypertension and cardiovascular disease. METHOD AND RESULTS: This review was based on a comprehensive literature search of articles in the PubMed database that reported clinical outcomes...
May 1, 2018: International Journal of Cardiology
Julie E Finnell, Brandon L Muniz, Akhila R Padi, Calliandra M Lombard, Casey M Moffitt, Christopher S Wood, L Britt Wilson, Lawrence P Reagan, Marlene A Wilson, Susan K Wood
BACKGROUND: Women are at greater risk than men of developing depression and comorbid disorders such as cardiovascular disease. This enhanced risk begins at puberty and ends following menopause, suggesting a role for ovarian hormones in this sensitivity. Here we used a model of psychosocial witness stress in female rats to determine the stress-induced neurobiological adaptations that underlie stress susceptibility in an ovarian hormone-dependent manner. METHODS: Intact or ovariectomized (OVX) female rats were exposed to five daily 15-minute witness-stress exposures...
January 31, 2018: Biological Psychiatry
C Wilson, R Bell, S Hinsley, H Marshall, J Brown, D Cameron, D Dodwell, R Coleman
The fracture impact of adjuvant bisphosphonates in breast cancer is not defined with most trials reporting changes in bone mineral density as a surrogate. The AZURE trial (ISRCTN79831382) evaluated the impact of adjuvant zoledronic acid (ZOL) on fractures. The AZURE trial is an academic, multi-centre, randomised phase III study evaluating the addition of ZOL 4 mg to standard therapy (neo/adjuvant chemotherapy and/or endocrine therapy) for 5 years (administered by intravenous (iv) infusion every 3-4 weeks for 6 doses, then 3 monthly × 8 and 6 monthly × 5) in patients with stage II/III early breast cancer...
March 12, 2018: European Journal of Cancer
Yeon Jung Kim, Rafael Rafael de Molon, Fausto Rioiti Horiguti, Guilherme Piragine Contador, Marco Antonio Coelho, Vinicius Ibiapina Mascarenhas, Ana Paula de Souza Faloni, Joni Augusto Cirelli, Wilson Roberto Sendyk
PURPOSE: The objective of this investigation was to assess vertical bone augmentation using deproteinized bovine bone mineral (DBBM) infused or not with recombinant human bone morphogenetic protein (rhBMP-2) in rabbit tibiae. MATERIALS AND METHODS: A total of 18 female rabbits (New Zealand) received two blocks of DBBM in each tibia. The DBBM blocks were randomly assigned into four experimental groups: DBBM (only the bone graft); DBBM associated with absorbable collagen sponge (ACS); DBBM plus rhBMP-2 (1...
March 15, 2018: International Journal of Oral & Maxillofacial Implants
Miguel R Lugo, Bronwyn Lyons, Cristina Lento, Derek J Wilson, A Rod Merrill
Scabin is a mono-ADP-ribosyltransferase enzyme and is a putative virulence factor produced by the plant pathogen, Streptomyces scabies. Previously, crystal structures of Scabin were solved in the presence and absence of substrate analogues and inhibitors. Herein, experimental (hydrogen-deuterium exchange), simulated (molecular dynamics), and theoretical (Gaussian Network Modeling) approaches were systematically applied to study the dynamics of apo-Scabin in the context of a Scabin·NAD+·DNA model. MD simulations revealed that the apo-Scabin solution conformation correlates well with the X-ray crystal structure, beyond the conformation of the exposed, mobile regions...
2018: PloS One
Charlotte Wilson, Joe Iwanaga, Rod J Oskouian, R Shane Tubbs
Trauma to the mandible can occasionally be a life-threatening event. Although extremely rare with only 56 reported patients in the English language, fracture of the floor of the middle cranial fossa with protrusion of the mandibular condyle into the middle cranial fossa was first reported in 1963 by Dingman. The authors review the anatomy of the temporomandibular joint in relation to the middle cranial fossa and demonstrate the possible complications due to condylar intrusion with anatomical dissection.
March 14, 2018: Journal of Craniofacial Surgery
Kate S Wilson, George Wanje, Linnet Masese, Jane Simoni, Juma Shafi, Lucy Adala, Julie Overbaugh, Walter Jaoko, Barbra A Richardson, R Scott McClelland
BACKGROUND: Little is known about fertility desire in HIV-positive female sex workers (FSW). Fertility desire could increase HIV transmission risk if it were associated with condomless sex or lower adherence to antiretroviral therapy (ART). METHODS: A prospective cohort study was conducted among 255 HIV-positive FSWs in Mombasa, Kenya. Using generalized estimating equations, fertility desire was evaluated as a risk factor for semen detection in vaginal secretions by prostate specific antigen (PSA) test, a biomarker of condomless sex, detectable plasma viral load (VL), and HIV transmission potential, defined as visits with positive PSA and detectable VL...
March 13, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
Kim Gammage, Rachel Arnold, Nicole Bolter, Lori Dithurbide, Karl Erickson, Blair Evans, Larkin Lamarche, Sean Locke, Eric Martin, Kathleen Wilson
No abstract text is available yet for this article.
March 15, 2018: Journal of Sport & Exercise Psychology
Robert Xiao, Julia Schwarz, Nick Throm, Andrew D Wilson, Hrvoje Benko
We present MRTouch, a novel multitouch input solution for head-mounted mixed reality systems. Our system enables users to reach out and directly manipulate virtual interfaces affixed to surfaces in their environment, as though they were touchscreens. Touch input offers precise, tactile and comfortable user input, and naturally complements existing popular modalities, such as voice and hand gesture. Our research prototype combines both depth and infrared camera streams together with real-time detection and tracking of surface planes to enable robust finger-tracking even when both the hand and head are in motion...
April 2018: IEEE Transactions on Visualization and Computer Graphics
Msj Wilson, P Maniam, A Ibrahim, N Makaram, S R Knight, P Patil
Introduction The use of polymeric clips in securing the appendiceal stump has been increasingly reported as a viable alternative to current methods in emergency laparoscopic appendicectomy. We evaluated the operative outcomes following the use of polymeric clips versus endoscopic ligatures. The primary endpoint was operative time, with secondary outcomes including complications, inpatient stay, and cost analysis. Materials and methods Operative records were retrospectively analysed to identify patients undergoing laparoscopic appendicectomy between January 2014 and June 2015...
March 15, 2018: Annals of the Royal College of Surgeons of England
M J Young, M Elmussareh, T Morrison, J R Wilson
Introduction Transurethral resection of the prostate (TURP) is considered the gold standard surgical treatment for lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia. The number of TURPs performed has declined significantly over the last three decades owing to pharmaceutical therapy. TURP data from a single institution for the years 1990, 2000 and 2010 were compared to assess the difference in performance. Methods A retrospective analysis was undertaken of all patients who underwent TURP between January and December 2010...
March 15, 2018: Annals of the Royal College of Surgeons of England
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