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https://www.readbyqxmd.com/read/29031127/patients-perceptions-and-experiences-of-living-with-a-surgical-wound-healing-by-secondary-intention-a-qualitative-study
#1
Dorothy McCaughan, Laura Sheard, Nicky Cullum, Jo Dumville, Ian Chetter
BACKGROUND: Most surgical wounds heal by primary intention, that is to say, the edges of the wound are brought together with sutures, staples, adhesive glue or clips. However, some wounds may be left open to heal (if there is a risk of infection, or if there has been significant tissue loss), and are known as 'surgical wounds healing by secondary intention'. They are estimated to comprise approximately 28% of all surgical wounds and are frequently complex to manage. However, they are under researched and little is known of their impact on patients' lives...
September 28, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/29031081/optimization-of-the-promega-powerseq%C3%A2-auto-y-system-for-efficient-integration-within-a-forensic-dna-laboratory
#2
E A Montano, J M Bush, A M Garver, M M Larijani, S M Wiechman, C H Baker, M R Wilson, R A Guerrieri, E A Benzinger, D N Gehres, M L Dickens
The application of massively parallel sequencing (MPS) is growing in the forensic DNA field, as forensic DNA laboratories are continuously seeking methods to gain information from a limited or degraded forensic sample. However, the laborious nature of current MPS methodologies required for successful library preparation and sequencing leave opportunities for improvement to make MPS a practical option for processing forensic casework. In this study, the Promega PowerSeq™ Auto/Y System Prototype, a MPS laboratory workflow that incorporates multiplex amplification, was selected for optimization with the objectives to introduce automation for relieving manual processing, and to reduce the number of steps recommended by the standard protocol...
October 5, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/29029322/a-dynamic-mathematical-model-of-bile-acid-clearance-in-heparg-cells
#3
Daniel Kaschek, Ahmad Sharanek, André Guillouzo, Jens Timmer, Richard J Weaver
A dynamic model based on ordinary differential equations that describes uptake, basolateral and canalicular export of taurocholic acid in human HepaRG cells is presented. The highly reproducible inter-assay experimental data were used to reliably estimate model parameters. Primary human hepatocytes were similarly evaluated to establish a mathematical model, but with notably higher inter-assay differences in taurocholic acid clearance and bile canaliculi dynamics. By use of the HepaRG cell line, the simultaneous taurocholic acid clearance associated to basolateral uptake, canalicular and sinusoidal efflux, was predicted...
September 18, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29029300/flight-activity-and-field-infestation-relationships-for-coffee-berry-borer-in-commercial-coffee-plantations-in-kona-and-kau-districts-hawaii
#4
Luis F Aristizábal, Suzanne Shriner, Robert Hollingsworth, Steven Arthurs
The coffee berry borer (CBB), Hypothenemus hampei Ferrari (Coleoptera: Curculionidae: Scolytinae) is a recent invader to Hawaii. To date, limited information regarding the seasonal phenology of this pest on the islands limits the implementation of integrated control strategies. As part of a coffee farmer training program, we monitored CBB flight activity in 15 coffee plantations (Kona and Kau Districts) over 10 mo with methanol-ethanol (3:1 ratio) baited traps. Concurrently, we quantified CBB infestation and penetration rates inside developing coffee berries through the end of harvest...
September 27, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29029236/first-in-human-experience-with-complete-integration-of-neuromodulation-device-within-a-customized-cranial-implant
#5
Chad R Gordon, Gabriel F Santiago, Judy Huang, Gregory K Bergey, Shuya Liu, Mehran Armand, Henry Brem, William S Anderson
BACKGROUND: Neuromodulation devices have the potential to transform modern day treatments for patients with medicine-resistant neurological disease. For instance, the NeuroPace System (NeuroPace Inc, Mountain View, California) is a Food and Drug Administration (FDA)-approved device developed for closed-loop direct brain neurostimulation in the setting of drug-resistant focal epilepsy. However, current methods require placement either above or below the skull in nonanatomic locations. This type of positioning has several drawbacks including visible deformities and scalp pressure from underneath leading to eventual wound healing difficulties, micromotion of hardware with infection, and extrusion leading to premature explantation...
October 6, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29029213/recovery-kinetics-of-radiographic-and-implant-related-revision-patients-following-adult-spinal-deformity-surgery
#6
Peter G Passias, Cyrus M Jalai, Virginie Lafage, Gregory W Poorman, Shaleen Vira, Samantha R Horn, Justin K Scheer, D Kojo Hamilton, Breton G Line, Shay Bess, Frank J Schwab, Christopher P Ames, Douglas C Burton, Robert A Hart, Eric O Klineberg
BACKGROUND: Prior studies have observed similar health-related quality of life (HRQL) in revisions and nonrevision (NR) patients following adult spinal deformity (ASD) correction. However, a novel comparison approach may allow better comparisons in spine outcomes groups. OBJECTIVE: To determine if ASD revisions for radiographic and implant-related complications undergo a different recovery than NR patients. METHODS: Inclusion: ASD patients with complete HRQL (Oswestry Disability Index, Short-Form-36 version 2 (SF-36), Scoliosis Research Society [SRS]-22) at baseline, 6 wk, 1 yr, 2 yr...
October 6, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29029156/detailed-transmission-network-analysis-of-a-large-opiate-driven-outbreak-of-hiv-infection-in-the-united-states
#7
Ellsworth M Campbell, Hongwei Jia, Anupama Shankar, Debra Hanson, Wei Luo, Silvina Masciotra, S Michele Owen, Alexandra M Oster, Romeo R Galang, Michael W Spiller, Sara J Blosser, Erika Chapman, Jeremy C Roseberry, Jessica Gentry, Pamela Pontones, Joan Duwve, Paula Peyrani, Ron M Kagan, Jeannette M Whitcomb, Philip J Peters, Walid Heneine, John T Brooks, William M Switzer
In January 2015, an outbreak of undiagnosed human immunodeficiency virus (HIV) infections among persons who inject drugs (PWID) was recognized in rural Indiana. By September 2016, 205 persons in this community of approximately 4400 had received a diagnosis of HIV infection. We report results of new approaches to analyzing epidemiologic and laboratory data to understand transmission during this outbreak. HIV genetic distances were calculated using the polymerase region. Networks were generated using data about reported high-risk contacts, viral genetic similarity, and their most parsimonious combinations...
October 5, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29029086/hiv-prevention-costs-and-their-predictors-evidence-from-the-orphea-project-in-kenya
#8
Omar Galárraga, Richard G Wamai, Sandra G Sosa-Rubí, Mercy G Mugo, David Contreras-Loya, Sergio Bautista-Arredondo, Helen Nyakundi, Joseph K Wang'ombe
We estimate costs and their predictors for three HIV prevention interventions in Kenya: HIV testing and counselling (HTC), prevention of mother-to-child transmission (PMTCT) and voluntary medical male circumcision (VMMC). As part of the 'Optimizing the Response of Prevention: HIV Efficiency in Africa' (ORPHEA) project, we collected retrospective data from government and non-governmental health facilities for 2011-12. We used multi-stage sampling to determine a sample of health facilities by type, ownership, size and interventions offered totalling 144 sites in 78 health facilities in 33 districts across Kenya...
September 26, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/29028933/novel-method-for-intraoperative-assessment-of-cerebral-autoregulation-by-paced-breathing
#9
N H Sperna Weiland, J Hermanides, M W Hollmann, B Preckel, W J Stok, J J van Lieshout, R V Immink
Background: Cerebral autoregulation (CA) is the mechanism that maintains constancy of cerebral blood flow (CBF) despite variations in blood pressure (BP). Patients with attenuated CA have been shown to have an increased incidence of peri-operative stroke. Studies of CA in anaesthetized subjects are rare, because a simple and non-invasive method to quantify the integrity of CA is not available. In this study, we set out to improve non-invasive quantification of CA during surgery. For this purpose, we introduce a novel method to amplify spontaneous BP fluctuations during surgery by imposing mechanical positive pressure ventilation at three different frequencies and quantify CA from the resulting BP oscillations...
October 6, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29028899/phandango-an-interactive-viewer-for-bacterial-population-genomics
#10
James Hadfield, Nicholas J Croucher, Richard J Goater, Khalil Abudahab, David M Aanensen, Simon R Harris
Summary: Fully exploiting the wealth of data in current bacterial population genomics datasets requires synthesising and integrating different types of analysis across millions of base pairs in hundreds or thousands of isolates. Current approaches often use static representations of phylogenetic, epidemiological, statistical and evolutionary analysis results that are difficult to relate to one another. Phandango is an interactive application running in a web browser allowing fast exploration of large-scale population genomics datasets combining the output from multiple genomic analysis methods in an intuitive and interactive manner...
September 25, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29028892/nephele-a-cloud-platform-for-simplified-standardized-and-reproducible-microbiome-data-analysis
#11
Nick Weber, David Liou, Jennifer Dommer, Philip MacMenamin, Mariam Quiñones, Ian Misner, Andrew Oler, Joe Wan, Lewis Kim, Meghan Coakley McCarthy, Samuel Ezeji, Karlynn Noble, Darrell E Hurt
Motivation: Widespread interest in the study of the microbiome has resulted in data proliferation and the development of powerful computational tools. However, many scientific researchers lack the time, training, or infrastructure to work with large datasets or to install and use command line tools. Results: The National Institute of Allergy and Infectious Diseases (NIAID) has created Nephele, a cloud-based microbiome data analysis platform with standardized pipelines and a simple web interface for transforming raw data into biological insights...
September 28, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29028828/ised-constructing-a-high-resolution-elevation-road-dataset-from-massive-low-quality-in-situ-observations-derived-from-geosocial-fitness-tracking-data
#12
Grant McKenzie, Krzysztof Janowicz
Gaining access to inexpensive, high-resolution, up-to-date, three-dimensional road network data is a top priority beyond research, as such data would fuel applications in industry, governments, and the broader public alike. Road network data are openly available via user-generated content such as OpenStreetMap (OSM) but lack the resolution required for many tasks, e.g., emergency management. More importantly, however, few publicly available data offer information on elevation and slope. For most parts of the world, up-to-date digital elevation products with a resolution of less than 10 meters are a distant dream and, if available, those datasets have to be matched to the road network through an error-prone process...
2017: PloS One
https://www.readbyqxmd.com/read/29028774/seeking-humanizing-care-in-patient-centered-care-process-a-grounded-theory-study
#13
Mohammad Ali Cheraghi, Maryam Esmaeili, Mahvash Salsali
Patient-centered care is both a goal in itself and a tool for enhancing health outcomes. The application of patient-centered care in health care services globally however is diverse. This article reports on a study that sought to introduce patient-centered care. The aim of this study is to explore the process of providing patient-centered care in critical care units. The study used a grounded theory method. Data were collected on 5 critical care units in Tehran University of Medical Sciences. Purposive and theoretical sampling directed the collection of data using 29 semistructured interviews with 27 participants (nurses, patients, and physician)...
November 2017: Holistic Nursing Practice
https://www.readbyqxmd.com/read/29028566/concept-mapping-to-promote-meaningful-learning-help-relate-theory-to-practice-and-improve-learning-self-efficacy-in-asian-mental-health-nursing-students-a-mixed-methods-pilot-study
#14
Daniel T Bressington, Wai-Kit Wong, Kar Kei Claire Lam, Wai Tong Chien
OBJECTIVES: Student nurses are provided with a great deal of knowledge within university, but they can find it difficult to relate theory to nursing practice. This study aimed to test the appropriateness and feasibility of assessing Novak's concept mapping as an educational strategy to strengthen the theory-practice link, encourage meaningful learning and enhance learning self-efficacy in nursing students. DESIGN: This pilot study utilised a mixed-methods quasi-experimental design...
October 5, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/29028312/light-gated-memristor-with-integrated-logic-and-memory-functions
#15
Hongwei Tan, Gang Liu, Huali Yang, Xiaohui Yi, Liang Pan, Jie Shang, Shibing Long, Ming Liu, Yihong Wu, Run-Wei Li
Memristive devices are able to store and process information which offer several key advantages over the transistor-based architectures. However, most of the two-terminal memristive devices have fixed functions once made and cannot be reconfigured for other situations. Here, we propose and demonstrate a memristive device 'memlogic' (memory-logic) as a non-volatile switch of logic operations integrated with memory function in a single light-gated memristor. Based on non-volatile light-modulated memristive switching behavior, a single memlogic cell is able to achieve optical and electrical mixed basic Boolean logic of reconfigurable 'AND' , 'OR' and 'NOT' operations...
October 13, 2017: ACS Nano
https://www.readbyqxmd.com/read/29028266/circpro-an-integrated-tool-for-the-identification-of-circrnas-with-protein-coding-potential
#16
Xianwen Meng, Qi Chen, Peijing Zhang, Ming Chen
Summary: Circular RNAs (circRNAs), a novel class of endogenous RNAs, are widespread in eukaryotic cells. Emerging roles in diverse biological processes suggest that circRNA is a promising key player in RNA world. Most circRNAs are generated through back-splicing of pre-mRNAs, forming a covalently closed loop structure with no 5' caps or 3' polyadenylated tails. In addition, most circRNAs were not associated with translating ribosomes, therefore, circRNAs were deemed to be noncoding. However, the latest research findings revealed that some circRNAs could generate proteins in vivo, which expands the landscape of transcriptome and proteome...
October 15, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29028265/stereogene-rapid-estimation-of-genome-wide-correlation-of-continuous-or-interval-feature-data
#17
Elena D Stavrovskaya, Tejasvi Niranjan, Elana J Fertig, Sarah J Wheelan, Alexander V Favorov, Andrey A Mironov
Motivation: Genomics features with similar genome-wide distributions are generally hypothesized to be functionally related, for example, colocalization of histones and transcription start sites indicate chromatin regulation of transcription factor activity. Therefore, statistical algorithms to perform spatial, genome-wide correlation among genomic features are required. Results: Here, we propose a method, StereoGene, that rapidly estimates genome-wide correlation among pairs of genomic features...
October 15, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29028262/tsis-an-r-package-to-infer-alternative-splicing-isoform-switches-for-time-series-data
#18
Wenbin Guo, Cristiane P G Calixto, John W S Brown, Runxuan Zhang
Summary: An alternative splicing isoform switch is where a pair of transcript isoforms reverse their relative expression abundances in response to external or internal stimuli. Although computational methods are available to study differential alternative splicing, few tools for detection of isoform switches exist and these are based on pairwise comparisons. Here, we provide the TSIS R package, which is the first tool for detecting significant transcript isoform switches in time-series data...
October 15, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29028206/grouped-gene-selection-of-cancer-via-adaptive-sparse-group-lasso-based-on-conditional-mutual-information
#19
Juntao Li, Wenpeng Dong, Deyuan Meng
This paper deals with the problems of cancer classification and grouped gene selection. The weighted gene co-expression network on cancer microarray data is employed to identify modules corresponding to biological pathways, based on which a strategy of dividing genes into groups is presented. Using the conditional mutual information within each divided group, an integrated criterion is proposed and the data-driven weights are constructed. They are shown with the ability to evaluate both the individual gene significance and the influence to improve correlation of all the other pairwise genes in each group...
October 11, 2017: IEEE/ACM Transactions on Computational Biology and Bioinformatics
https://www.readbyqxmd.com/read/29028201/summed-area-technique-for-cube-maps
#20
Yi Xiao, Tze-Yui Ho, Chi-Sing Leung
The original Summed Area Table (SAT) structure is designed for handling 2D rectangular data. Due to the nature of spherical functions, the SAT structure cannot handle cube maps directly. This paper proposes a new SAT structure for cube maps and develops the corresponding lookup algorithm. Our formulation starts by considering a cube map as part of an auxiliary 3D function defined in a 3D rectangular space. We interpret the 2D integration process over the cube map surface as a 3D integration over the auxiliary 3D function...
October 11, 2017: IEEE Transactions on Visualization and Computer Graphics
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