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https://www.readbyqxmd.com/read/28340168/young-children-s-acute-stress-after-a-burn-injury-disentangling-the-role-of-injury-severity-and-parental-acute-stress
#1
Ann-Christin Haag, Markus A Landolt
 Although injury severity and parental stress are strong predictors of posttraumatic adjustment in young children after burns, little is known about the interplay of these variables. This study aimed at clarifying mediation processes between injury severity and mother's, father's, and young child's acute stress.   Structural equation modeling was used to examine the relationships between injury severity and parental and child acute stress. Parents of 138 burn-injured children (ages 1-4 years) completed standardized questionnaires on average 19 days postinjury...
March 18, 2017: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/28338379/head-neck-trunk-and-pelvis-tissue-mass-predictions-for-young-adults-using-anthropometric-measures-and-dxa
#2
Danielle L Gyemi, Charles Kahelin, Nicole C George, David M Andrews
Accurate prediction of wobbling mass (WM), fat mass (FM), lean mass (LM) and bone mineral content (BMC) of living people using regression equations developed from anthropometric measures (lengths, circumferences, breadths, skinfolds) has previously been reported, but only for the extremities. Multiple linear stepwise regression was used to generate comparable equations for the head, neck, trunk and pelvis of young adults (38 males, 38 females). Equations were validated using actual tissue masses from an independent sample of 13 males and 13 females by manually segmenting full body Dual-energy X-ray Absorptiometry scans...
March 24, 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/28334699/robust-cell-tracking-in-epithelial-tissues-through-identification-of-maximum-common-subgraphs
#3
Jochen Kursawe, Rémi Bardenet, Jeremiah J Zartman, Ruth E Baker, Alexander G Fletcher
Tracking of cells in live-imaging microscopy videos of epithelial sheets is a powerful tool for investigating fundamental processes in embryonic development. Characterizing cell growth, proliferation, intercalation and apoptosis in epithelia helps us to understand how morphogenetic processes such as tissue invagination and extension are locally regulated and controlled. Accurate cell tracking requires correctly resolving cells entering or leaving the field of view between frames, cell neighbour exchanges, cell removals and cell divisions...
November 2016: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28334301/dynamix-dynamic-visualization-by-automatic-selection-of-informative-tracks-from-hundreds-of-genomic-data-sets
#4
Matthias Monfort, Eileen E M Furlong, Charles Girardot
Motivation: Visualization of genomic data is fundamental for gaining insights into genome function. Yet, co-visualization of a large number of data sets remains a challenge in all popular genome browsers and the development of new visualization methods is needed to improve the usability and user experience of genome browsers. Results: We present Dynamix, a JBrowse plugin that enables the parallel inspection of hundreds of genomic data sets. Dynamix takes advantage of a priori knowledge to automatically display data tracks with signal within a genomic region of interest...
March 11, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28334002/improving-hybrid-how-to-best-combine-indirect-and-direct-encoding-in-evolutionary-algorithms
#5
Lucas Helms, Jeff Clune
Many challenging engineering problems are regular, meaning solutions to one part of a problem can be reused to solve other parts. Evolutionary algorithms with indirect encoding perform better on regular problems because they reuse genomic information to create regular phenotypes. However, on problems that are mostly regular, but contain some irregularities, which describes most real-world problems, indirect encodings struggle to handle the irregularities, hurting performance. Direct encodings are better at producing irregular phenotypes, but cannot exploit regularity...
2017: PloS One
https://www.readbyqxmd.com/read/28331238/psychological-stress-and-coping-resources-during-primary-systemic-therapy-for-breast-cancer-results-of-a-prospective-study
#6
Volker Tschuschke, Georgios Karadaglis, Kalliopi Evangelou, Clara Gräfin von Schweinitz, Jürgen Schwickerath
Introduction This prospective study reports on the impact of psychological factors on women with primary breast cancer undergoing neoadjuvant chemotherapy. These women are in a special situation, where they not only have to deal with the shock of the cancer diagnosis but also with the fact that the malignant tumor will not be removed immediately but only after completing chemotherapy. A situation like this is stressful and requires a personal strength which not every woman may have. Methods In a prospective study 53 patients were assessed using various psychological and psycho-oncological questionnaires which aimed to evaluate their psychological stress and their coping resources...
February 2017: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/28329382/systemic-immunomodulating-therapies-for-stevens-johnson-syndrome-and-toxic-epidermal-necrolysis-a-systematic-review-and-meta-analysis
#7
Stefanie Zimmermann, Peggy Sekula, Moritz Venhoff, Edith Motschall, Jochen Knaus, Martin Schumacher, Maja Mockenhaupt
Importance: Stevens-Johnson syndrome and toxic epidermal necrolysis (SJS/TEN) are rare but severe adverse reactions with high mortality. There is no evidence-based treatment, but various systemic immunomodulating therapies are used. Objectives: To provide an overview on possible immunomodulating treatments for SJS/TEN and estimate their effects on mortality compared with supportive care. Data Sources: A literature search was performed in December 2012 for articles published in MEDLINE, MEDLINE Daily, MEDLINE Inprocess, Web of Science, EMBASE, Scopus, and the Cochrane Library (Central) from January 1990 through December 2012, and updated in December 2015, in the English, French, Spanish, and German languages looking for treatment proposals for SJS/TEN...
March 22, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28327957/nanosim-nanopore-sequence-read-simulator-based-on-statistical-characterization
#8
Chen Yang, Justin Chu, René L Warren, Inanç Birol
Background: The MinION sequencing instrument from Oxford Nanopore Technologies (ONT) produces long read lengths from single-molecule sequencing - valuable features for detailed genome characterization. To realize the potential of this platform, a number of groups are developing bioinformatics tools tuned for the unique characteristics of its data. We note that these development efforts would benefit from a simulator software, output of which could be used to benchmark analysis tools. Findings: Here, we introduce NanoSim, a fast and scalable read simulator that captures the technology-specific features of ONT data, and allows for adjustments upon improvement of nanopore sequencing technology...
February 24, 2017: GigaScience
https://www.readbyqxmd.com/read/28325101/-i-had-no-idea-what-a-complicated-business-eating-is%C3%A2-a-qualitative-study-of-the-impact-of-dysphagia-during-stroke-recovery
#9
Jennifer Moloney, Margaret Walshe
AIM: Persons with dysphagia following stroke may experience uncomfortable symptoms such as persistent coughing, choking and poor salivary management. They may also spend long periods of time unable to eat or drink or with restrictions on oral intake. Experiences of dysphagia post-stroke are richly described in unsolicited narratives such as autobiographies on the stroke event, which often include details of the author's journey through their stroke recovery. The aim of this study is to use autobiographical accounts to explore the experiences of those living with dysphagia following stroke...
March 21, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28318936/vector-model-supported-approach-in-prostate-plan-optimization
#10
Eva Sau Fan Liu, Vincent Wing Cheung Wu, Benjamin Harris, Margot Lehman, David Pryor, Lawrence Wing Chi Chan
Lengthy time consumed in traditional manual plan optimization can limit the use of step-and-shoot intensity-modulated radiotherapy/volumetric-modulated radiotherapy (S&S IMRT/VMAT). A vector model base, retrieving similar radiotherapy cases, was developed with respect to the structural and physiologic features extracted from the Digital Imaging and Communications in Medicine (DICOM) files. Planning parameters were retrieved from the selected similar reference case and applied to the test case to bypass the gradual adjustment of planning parameters...
March 17, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/28300375/photon-optimizer-po-prevails-over-progressive-resolution-optimizer-pro-for-vmat-planning-with-or-without-knowledge-based-solution
#11
Fan Jiang, Hao Wu, Haizhen Yue, Fei Jia, Yibao Zhang
The enhanced dosimetric performance of knowledge-based volumetric modulated arc therapy (VMAT) planning might be jointly contributed by the patient-specific optimization objectives, as estimated by the RapidPlan model, and by the potentially improved Photon Optimizer (PO) algorithm than the previous Progressive Resolution Optimizer (PRO) engine. As PO is mandatory for RapidPlan estimation but optional for conventional manual planning, appreciating the two optimizers may provide practical guidelines for the algorithm selection because knowledge-based planning may not replace the current method completely in a short run...
March 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28299240/validation-of-the-total-visual-acuity-extraction-algorithm-tova-for-automated-extraction-of-visual-acuity-data-from-free-text-unstructured-clinical-records
#12
Douglas M Baughman, Grace L Su, Irena Tsui, Cecilia S Lee, Aaron Y Lee
PURPOSE: With increasing volumes of electronic health record data, algorithm-driven extraction may aid manual extraction. Visual acuity often is extracted manually in vision research. The total visual acuity extraction algorithm (TOVA) is presented and validated for automated extraction of visual acuity from free text, unstructured clinical notes. METHODS: Consecutive inpatient ophthalmology notes over an 8-year period from the University of Washington healthcare system in Seattle, WA were used for validation of TOVA...
March 2017: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/28297444/surface-imaging-laser-positioning-or-volumetric-imaging-for-breast-cancer-with-nodal-involvement-treated-by-helical-tomotherapy
#13
Frederik Crop, David Pasquier, Amandine Baczkiewic, Julie Doré, Lena Bequet, Emeline Steux, Anne Gadroy, Jacqueline Bouillon, Clement Florence, Laurence Muszynski, Mathilde Lacour, Eric Lartigau
A surface imaging system, Catalyst (C-Rad), was compared with laser-based positioning and daily mega voltage computed tomography (MVCT) setup for breast patients with nodal involvement treated by helical TomoTherapy. Catalyst-based positioning performed better than laser-based positioning. The respective modalities resulted in a standard deviation (SD), 68% confidence interval (CI) of positioning of left-right, craniocaudal, anterior-posterior, roll: 2.4 mm, 2.7 mm, 2.4 mm, 0.9° for Catalyst positioning, and 6...
September 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28297292/a-comprehensive-evaluation-of-adaptive-daily-planning-for-cervical-cancer-hdr-brachytherapy
#14
Rebecca Meerschaert, Adrian Nalichowski, Jay Burmeister, Arun Paul, Steven Miller, Zhenghui Hu, Ling Zhuang
The purpose of this study was to evaluate adaptive daily planning for cervical cancer patients who underwent high-dose-rate intracavitary brachytherapy (HDR-BT) using comprehensive interfractional organ motion measurements. This study included 22 cervical cancer patients who underwent 5 fractions of HDR-BT. Regions of interest (ROIs) including high-risk clinical tumor volume (HR-CTV) and organs at risk (OARs) were manually contoured on daily CT images. All patients were clinically treated with adaptive daily plans (ADP), which involved ROI delineation and dose optimization at each treatment fraction...
November 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28296298/performance-evaluation-of-the-ritg148-set-of-tomotherapy-quality-assurance-tools-using-rtqa-2-radiochromic-film
#15
Eric C Lobb
Version 6.3 of the RITG148+ software package offers eight automated analysis routines for quality assurance of the TomoTherapy platform. A performance evaluation of each routine was performed in order to compare RITG148+ results with traditionally accepted analysis techniques and verify that simulated changes in machine parameters are correctly identified by the software. Reference films were exposed according to AAPM TG-148 methodology for each routine and the RITG148+ results were compared with either alternative software analysis techniques or manual analysis techniques in order to assess baseline agreement...
July 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28296186/changes-in-periprostatic-adipose-tissue-induced-by-5%C3%AE-reductase-inhibitors
#16
D Taussky, M Barkati, S Campeau, K Zerouali, A Nadiri, F Saad, G Delouya
There is increasing interest in periprostatic fat and its influence on prostate cancer aggressiveness. In vitro data suggest that adipose stromal/stem cells (ASCs) can increase production of cytokines and growth factors resulting in invasive growth and metastasis in prostate cancer. The objective of the study was to determine the interaction between 5α-reductase inhibitors (5ARIs) and periprostatic adipose tissue (PPAT) and factors of prostate cancer aggressiveness. In this retrospective study, we identified 61 patients treated with 5ARIs for a period of ≥12 months before undergoing radiation therapy (brachytherapy or external beam radiotherapy)...
March 10, 2017: Andrology
https://www.readbyqxmd.com/read/28295825/effectiveness-of-manual-therapy-versus-surgery-in-pain-processing-due-to-carpal-tunnel-syndrome-a-randomized-clinical-trial
#17
C Fernández-de-Las-Peñas, J Cleland, M Palacios-Ceña, S Fuensalida-Novo, C Alonso-Blanco, J A Pareja, F Alburquerque-Sendín
BACKGROUND: People with carpal tunnel syndrome (CTS) exhibit widespread pressure pain and thermal pain hypersensitivity as a manifestation of central sensitization. The aim of our study was to compare the effectiveness of manual therapy versus surgery for improving pain and nociceptive gain processing in people with CTS. METHODS: The trial was conducted at a local regional Hospital in Madrid, Spain from August 2014 to February 2015. In this randomized parallel-group, blinded, clinical trial, 100 women with CTS were randomly allocated to either manual therapy (n = 50), who received three sessions (once/week) of manual therapies including desensitization manoeuvres of the central nervous system, or surgical intervention (n = 50) group...
March 14, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28287587/analyzing-synaptic-modulation-of-drosophila-melanogaster-photoreceptors-after-exposure-to-prolonged-light
#18
Atsushi Sugie, Christoph Möhl, Satoko Hakeda-Suzuki, Hideaki Matsui, Takashi Suzuki, Gaia Tavosanis
The nervous system has the remarkable ability to adapt and respond to various stimuli. This neural adjustment is largely achieved through plasticity at the synaptic level. The Active Zone (AZ) is the region at the presynaptic membrane that mediates neurotransmitter release and is composed of a dense collection of scaffold proteins. AZs of Drosophila melanogaster (Drosophila) photoreceptors undergo molecular remodeling after prolonged exposure to natural ambient light. Thus the level of neuronal activity can rearrange the molecular composition of the AZ and contribute to the regulation of the functional output...
February 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28287381/a-preliminary-evaluation-of-next-generation-sequencing-as-a-screening-tool-for-targeted-genotyping-of-erythrocyte-and-platelet-antigens-in-blood-donors
#19
Agnieszka Orzińska, Katarzyna Guz, Michał Mikula, Maria Kulecka, Anna Kluska, Aneta Balabas, Monika Pelc-Kłopotowska, Jerzy Ostrowski, Ewa Brojer
BACKGROUND: Matching the compatibility of donor blood with the recipient's antigens prevents alloimmunisation. Next-generation sequencing (NGS) technology is a promising method for extensive blood group and platelet antigen genotyping of blood donors. It circumvents the limitations of detecting known alleles based on predefined polymorphisms and enables targeted sequencing on a massive scale. The aim of this study was to evaluate the NGS AmpliSeq application on the Ion Torrent platform as a screening tool for genotyping blood donors' erythrocyte/platelet antigens...
March 10, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28286485/relation-of-heart-rate-and-its-variability-during-sleep-with-age-physical-activity-and-body-composition-in-young-children
#20
David Herzig, Prisca Eser, Thomas Radtke, Alina Wenger, Thomas Rusterholz, Matthias Wilhelm, Peter Achermann, Amar Arhab, Oskar G Jenni, Tanja H Kakebeeke, Claudia S Leeger-Aschmann, Nadine Messerli-Bürgy, Andrea H Meyer, Simone Munsch, Jardena J Puder, Einat A Schmutz, Kerstin Stülb, Annina E Zysset, Susi Kriemler
Background: Recent studies have claimed a positive effect of physical activity and body composition on vagal tone. In pediatric populations, there is a pronounced decrease in heart rate with age. While this decrease is often interpreted as an age-related increase in vagal tone, there is some evidence that it may be related to a decrease in intrinsic heart rate. This factor has not been taken into account in most previous studies. The aim of the present study was to assess the association between physical activity and/or body composition and heart rate variability (HRV) independently of the decline in heart rate in young children...
2017: Frontiers in Physiology
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